Blame for tasks/autoslash/environment/reference/clone/app.py

from __future__ import annotations

import hashlib
import html
import json
import os
import re
import secrets
from datetime import date
from pathlib import Path
from typing import Any
from urllib.parse import parse_qs, urlparse

from fastapi import FastAPI, Request
from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse, Response
from starlette.staticfiles import StaticFiles

from backend.business import read_draft, save_draft, utc_now
from websitebench.site_backend import SiteBackend, load_runtime


ROOT = Path(__file__).resolve().parent
STATIC_DIR = ROOT / "static"
SITE_ROOT = ROOT.parent
SITE_ID = "autoslash"
COOKIE_FALLBACK = "__Host-websitebench-autoslash"
REFERENCE_PAGE_FILES = {
    "story": STATIC_DIR / "site" / "reference-pages" / "story.html",
    "how": STATIC_DIR / "site" / "reference-pages" / "how.html",
    "help": STATIC_DIR / "site" / "reference-pages" / "help.html",
    "coupons": STATIC_DIR / "site" / "reference-pages" / "coupons.html",
    "quote-home": STATIC_DIR / "site" / "reference-pages" / "quote-home.html",
    "quote-vehicle": STATIC_DIR / "site" / "reference-pages" / "quote-vehicle.html",
    "quote-memberships": STATIC_DIR / "site" / "reference-pages" / "quote-memberships.html",
    "quote-contact": STATIC_DIR / "site" / "reference-pages" / "quote-contact.html",
}
CONTENT_SECURITY_POLICY = (
    "default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; "
    "script-src 'self'; connect-src 'self'; font-src 'self' data:; "
    "frame-ancestors 'none'; base-uri 'self'; form-action 'self'"
)
EMAIL_RE = re.compile(r"^[^@\s]{1,128}@[^@\s]{1,190}$")
COMPANIES = (
    "Abbycar", "Ace", "ACTIVE Car Rental", "ADA", "addCar", "Adobe",
    "Advantage", "AirCar", "Alamo", "Alquicoche Rent a Car",
    "America Car Rental", "AmiGo Rent a Car", "Autatlantis", "Autocandia",
    "AUTOMARKET Rent a Car", "AutoRent", "Autos Menorca", "AutoUnion",
    "AutoVia", "Avec Car Rentals", "Avis", "Avro Rent a Car", "Bargain",
    "BLUU Car Rental", "Bravacar", "Bravo Rent a Car", "B-Rent",
    "Buchbinder", "Budget", "CarGini", "CarQ", "Carwiz", "Centauro", "Cicar",
    "City Car Rental", "Click and Rent", "DIRENT", "Dollar", "Drivalia",
    "Drive Car Rental", "Drive On Holidays", "Drive Rent a Car",
    "Driving Force", "Easirent", "East Coast Car Rentals",
    "EasyCar Costa Rica", "Economy Rent-a-Car", "Ecovia", "Enterprise",
    "Essence Car Rental", "Europcar", "EveryCar", "EXER", "FairCar Rental",
    "Felirent", "Firefly", "First Car Mauritius", "Flexways", "Flizzr Cyprus",
    "Foco", "Fox", "GetYourCar", "Global Rent a Car", "Go By Car",
    "Goldcar rental", "GoRentalsNZ", "Green Motion", "GRS Car Rental",
    "Guadeloupe Rental", "Guerin", "Hawk Rent a Car", "Hemingways Travel",
    "Hertz", "Hiper Rent a Car", "Ilha Verde Rent a car", "InterRent",
    "Island car rentals", "Italy Car Rent", "Jumbo Car", "keddy by Europcar",
    "Kenings", "Key'n Go", "KK Rent-A-Car", "Lagorent", "Leasys", "LetsDrive",
    "Localiza", "Locationauto", "Maggiore", "Mas by Mex Rent-A-Car",
    "Megadrive", "Mex Rent-a-Car", "Midway", "Movida Rent A Car",
    "Naniko Rent a Car", "National", "NextCar", "Nico Nico Rent a Car",
    "Nippon Rent a Car", "Nokta Rent A Car", "Noleggiare", "Nordic Car Rental",
    "Nova Rent a Car", "NU", "Offer Car Hire", "OK Mobility", "OPORent",
    "Orlando Rent A Car", "Oryx Rent a Car", "Other (Not Listed)",
    "OtoQ Car Rental", "Otorento", "Owners Cars", "Pandora", "Panek",
    "Payless", "Pricecarz", "Priceless", "RecordGo", "RenMartinique Rental",
    "Rentacar", "RentByCar", "RENTMOTORS", "Rentscape", "RightCars", "Routes",
    "S S TRAVELS", "Scandia Rent", "Schiller Rent a Car", "Sicily By Car",
    "Sixt", "SR Rent a Car", "StarCar", "State Van Rental",
    "Street Rent a Car", "Stride", "SurPrice", "Tangerine Rent a Car",
    "Thai Rent A Car", "Thrifty", "Top Rent a Car", "TopCar", "Travelcar",
    "Turisprime", "Unidas", "United International Car Rentals",
    "United Rent A Car", "U-Save", "Viaggiare", "WheeGo", "Yours Rent A Car",
    "Zezgo",
)
VEHICLE_LABELS = {
    "ACAR": "Least expensive option",
    "ECAR": "Economy car",
    "CCAR": "Compact car",
    "ICAR": "Midsize car",
    "SCAR": "Standard car",
    "FCAR": "Full-size car",
    "PCAR": "Premium car",
    "LCAR": "Luxury car",
    "CFAR": "Compact SUV",
    "IFAR": "Midsize SUV",
    "SFAR": "Standard SUV",
    "PGAR": "Premium SUV",
    "FFAR": "Full-size SUV",
    "PFAR": "Luxury SUV",
    "MVAR": "Minivan",
    "RVAR": "Passenger van",
    "IPAR": "Pickup truck",
}
COUNTRY_LABELS = {"US": "United States"}
AFFILIATION_LABELS = {
    "3": "American Express",
    "25": "Amex Platinum",
    "6": "Discover",
    "9": "Mastercard",
    "23": "Mastercard World Elite",
    "11": "Visa",
    "24": "Visa Infinite/Signature",
}

_BACKEND: SiteBackend | None = None
_BACKEND_KEY: tuple[str, str] | None = None


def _backend() -> SiteBackend:
    global _BACKEND, _BACKEND_KEY
    runtime_path = Path(
        os.environ.get(
            "WEBSITEBENCH_SITE_BACKEND_RUNTIME",
            str(SITE_ROOT / "backend" / "runtime.json"),
        )
    ).resolve()
    database_override = os.environ.get("WEBSITEBENCH_SITE_BACKEND_DATABASE", "")
    key = (str(runtime_path), database_override)
    if _BACKEND is not None and _BACKEND_KEY == key:
        return _BACKEND
    runtime = load_runtime(runtime_path)
    if database_override:
        database_path = Path(database_override).resolve()
        if database_path.name != runtime.database_filename:
            raise RuntimeError("deployed database filename does not match runtime")
        backend = SiteBackend.open(
            json.loads(runtime_path.read_text(encoding="utf-8")),
            data_root=database_path.parent,
            migration_hook=__import__(
                "backend.business", fromlist=["migrate_v1"]
            ).migrate_v1,
        )
        if backend.lifecycle.database_path != database_path:
            raise RuntimeError("deployed database path mismatch")
    else:
        backend = SiteBackend.open(
            runtime_path,
            migration_hook=__import__(
                "backend.business", fromlist=["migrate_v1"]
            ).migrate_v1,
        )
    backend.lifecycle.initialize()
    _BACKEND = backend
    _BACKEND_KEY = key
    return backend


def _cookie_name(request: Request) -> str:
    configured = str(_backend().session_cookie.get("name", COOKIE_FALLBACK))
    if request.url.scheme == "https":
        return configured
    return configured.removeprefix("__Host-")


def _digest(value: str, namespace: str = "value") -> str:
    return hashlib.sha256(f"autoslash:{namespace}:{value}".encode()).hexdigest()


def _owner(request: Request) -> tuple[str, str | None]:
    backend = _backend()
    cookie_name = _cookie_name(request)
    token = request.cookies.get(cookie_name)
    now = utc_now()
    with backend.lifecycle.connection(transaction=True) as connection:
        if token and len(token) >= 32:
            token_digest = _digest(token, "session")
            row = connection.execute(
                "SELECT owner_id FROM autoslash_sessions WHERE token_digest=?",
                (token_digest,),
            ).fetchone()
            if row is not None:
                connection.execute(
                    "UPDATE autoslash_sessions SET last_seen_at=? WHERE token_digest=?",
                    (now, token_digest),
                )
                return str(row["owner_id"]), None
        token = secrets.token_urlsafe(32)
        owner_id = f"owner_{secrets.token_hex(12)}"
        connection.execute(
            "INSERT INTO autoslash_sessions(token_digest,owner_id,created_at,last_seen_at) "
            "VALUES (?,?,?,?)",
            (_digest(token, "session"), owner_id, now, now),
        )
        return owner_id, token


def _finish(request: Request, response: Response, new_token: str | None) -> Response:
    if new_token:
        response.set_cookie(
            _cookie_name(request),
            new_token,
            httponly=True,
            secure=request.url.scheme == "https",
            samesite="lax",
            path="/",
        )
    response.headers["content-security-policy"] = CONTENT_SECURITY_POLICY
    response.headers["x-content-type-options"] = "nosniff"
    response.headers["referrer-policy"] = "same-origin"
    return response


async def _form_values(request: Request) -> dict[str, list[str]]:
    raw = (await request.body()).decode("utf-8", errors="replace")
    return parse_qs(raw, keep_blank_values=True)


def _form_value(values: dict[str, list[str]], key: str, default: str = "") -> str:
    return values.get(key, [default])[0].strip()


def _safe(value: Any) -> str:
    return html.escape(str(value), quote=True)


def _request_id(prefix: str) -> str:
    return f"{prefix}-{secrets.token_hex(5).upper()}"


def _advance_draft(
    connection: sqlite3.Connection,
    table: str,
    owner: str,
    expected_stage: str,
    next_stage: str,
    values: dict[str, object],
) -> bool:
    if table not in {"autoslash_quote_drafts", "autoslash_tracking_drafts"}:
        raise ValueError("unsupported draft table")
    row = connection.execute(
        f"SELECT stage FROM {table} WHERE owner_id=?", (owner,)
    ).fetchone()
    if row is None or row["stage"] != expected_stage:
        return False
    save_draft(connection, table, owner, next_stage, values)
    return True


def _workflow_conflict(title: str, message: str, href: str, view: str) -> HTMLResponse:
    response = _information_page(
        title,
        (message, f'<a class="orange-link" href="{href}">Start again</a>'),
        view,
    )
    response.status_code = 409
    return response


def _display_date(value: object, *, include_time: object = "") -> str:
    raw = str(value)
    match = re.fullmatch(r"(\d{4})-(\d{2})-(\d{2})", raw)
    if not match:
        return raw
    year, month, day = (int(part) for part in match.groups())
    months = (
        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
    )
    label = f"{months[month - 1]} {day}, {year}"
    return f"{label} at {include_time}" if include_time else label


def _valid_date(value: str) -> bool:
    try:
        date.fromisoformat(value)
    except ValueError:
        return False
    return True


def _valid_time(value: str) -> bool:
    return re.fullmatch(r"(?:[01]\d|2[0-3]):[0-5]\d", value) is not None


def _header() -> str:
    return """
    <header class="clone-header">
      <div class="clone-header-inner">
        <a class="brand" href="/" aria-label="AutoSlash home">
          <img src="/static/site/assets/logo.svg" alt="AutoSlash">
        </a>
        <nav class="desktop-nav" aria-label="Primary">
          <a href="/">Get a Quote</a><span>|</span>
          <a href="/track">Track a Rental</a><span>|</span>
          <a href="/coupons">Coupons</a><span>|</span>
          <a href="/external-link?destination=reviews">Reviews</a><span>|</span>
          <a href="/external-link?destination=blog">Blog</a><span>|</span>
          <button class="about-toggle" type="button" aria-expanded="false">About Us⌄</button>
        </nav>
        <button class="menu-toggle" type="button" aria-expanded="false" aria-controls="mobile-nav">
          <img src="/static/site/assets/icon-mob-hamburger.svg" alt=""><span class="sr-only">Menu</span>
        </button>
        <a class="help-dot" href="/frequently-asked-questions" aria-label="Help">
          <img src="/static/site/assets/icon-question-mark.svg" alt="">
        </a>
      </div>
      <nav id="mobile-nav" class="mobile-nav" aria-label="Mobile navigation" hidden>
        <a href="/">Get a Quote</a><a href="/track">Track a Rental</a>
        <a href="/coupons">Coupons</a><a href="/our-story">Our Story</a>
        <a href="/how-we-do-it">How We Do It</a>
        <a href="/frequently-asked-questions">FAQ</a><a href="/contact-us">Contact Us</a>
      </nav>
      <div class="about-menu" hidden>
        <a href="/our-story">Our Story</a><a href="/how-we-do-it">How We Do It</a>
        <a href="/in-the-news">In the News</a>
        <a href="/frequently-asked-questions">FAQ</a><a href="/contact-us">Contact Us</a>
      </div>
      <a class="mobile-rental-banner" href="/reservations/lookup">
        <small>Need to book a new rental?</small>
        <strong>Click here and we'll find you a great deal!</strong>
      </a>
    </header>
    """


def _footer() -> str:
    return """
    <footer class="clone-footer">
      <div><p>Connect with us:</p><div class="social-dots" aria-label="Social links">
        <a href="/external-link?destination=facebook" aria-label="Facebook"><svg viewBox="0 0 320 512" aria-hidden="true"><path d="M279.14 288l14.22-92.66h-88.91v-60.13c0-25.35 12.42-50.06 52.24-50.06h40.42V6.26S260.43 0 225.36 0c-73.22 0-121.08 44.38-121.08 124.72v70.62H22.89V288h81.39v224h100.17V288z"/></svg></a>
        <a href="/external-link?destination=twitter" aria-label="Twitter"><svg viewBox="0 0 512 512" aria-hidden="true"><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg></a>
        <a href="/external-link?destination=youtube" aria-label="YouTube"><svg viewBox="0 0 576 512" aria-hidden="true"><path d="M549.7 124.1c-6.3-23.8-25-42.5-48.6-48.9C458.8 64 288 64 288 64S117.2 64 74.9 75.2c-23.6 6.4-42.3 25.1-48.6 48.9C15 167 15 256.4 15 256.4s0 89.4 11.3 132.3c6.3 23.8 25 41.7 48.6 48.1C117.2 448 288 448 288 448s170.8 0 213.1-11.2c23.6-6.4 42.3-24.3 48.6-48.1 11.3-42.9 11.3-132.3 11.3-132.3s0-89.4-11.3-132.3zM232 336.5v-160l142.7 80-142.7 80z"/></svg></a>
      </div>
      <nav><a href="/our-story">Our Story</a><span>|</span><a href="/external-link?destination=blog">Blog</a><span>|</span>
      <a href="/external-link?destination=reviews">Reviews</a><span>|</span><a href="/coupons">Coupons</a><span>|</span>
      <a href="/frequently-asked-questions">Help</a></nav></div>
      <div class="footer-brand"><img src="/static/site/assets/logo.svg" alt="AutoSlash">
      <p><a href="/privacy-policy">Privacy Policy</a><span>|</span><a href="/terms-of-use">Terms of Use</a>
      <span>|</span> © AutoSlash 2026</p></div>
    </footer>
    """


def _document(title: str, view: str, content: str, *, status_code: int = 200) -> HTMLResponse:
    markup = f"""<!doctype html><html lang="en"><head>
    <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
    <title>{_safe(title)} | AutoSlash</title>
    <link rel="stylesheet" href="/static/site/autoslash.css">
    <link rel="stylesheet" href="/static/site/navigation.css">
    </head><body data-view="{_safe(view)}">{_header()}{content}{_footer()}
    <script src="/static/site/autoslash.js" defer></script></body></html>"""
    return HTMLResponse(markup, status_code=status_code)


def _field(
    label: str,
    name: str,
    *,
    input_type: str = "text",
    placeholder: str = "",
    value: str = "",
    required: bool = True,
) -> str:
    required_attr = " required" if required else ""
    number_attr = ' step="0.01"' if input_type == "number" else ""
    return (
        f'<label class="field"><span>{_safe(label)}</span>'
        f'<input type="{_safe(input_type)}" name="{_safe(name)}" '
        f'placeholder="{_safe(placeholder)}" value="{_safe(value)}"'
        f'{number_attr}{required_attr}></label>'
    )


def _select(label: str, name: str, options: tuple[str, ...], prompt: str) -> str:
    items = [f'<option value="">{_safe(prompt)}</option>']
    items.extend(f'<option value="{_safe(item)}">{_safe(item)}</option>' for item in options)
    return (
        f'<label class="field"><span>{_safe(label)}</span>'
        f'<select name="{_safe(name)}" required>{"".join(items)}</select></label>'
    )


def _plain_form_page(
    title: str,
    intro: str,
    action: str,
    fields: str,
    *,
    view: str,
    extra: str = "",
) -> HTMLResponse:
    body = f"""<main class="plain-page"><section class="plain-card">
      <h1>{_safe(title)}</h1><p class="plain-intro">{intro}</p>
      <form method="post" action="{_safe(action)}" class="public-form">{fields}
      <button class="orange-button" type="submit">Submit</button></form>{extra}
    </section></main>"""
    return _document(title, view, body)


def _tracking_page(
    stage: int,
    title: str,
    action: str,
    fields: str,
    *,
    message: str = "",
) -> HTMLResponse:
    labels = ("Rental Co.", "Date", "Price", "Deals", "Email")
    progress = "".join(
        f'<li class="{"active" if index <= stage else ""}">{label}</li>'
        for index, label in enumerate(labels, start=1)
    )
    note = f'<p class="form-message" role="alert">{_safe(message)}</p>' if message else ""
    body = f"""<main class="tracking-page">
      <section class="tracking-hero">
        <img class="tracking-car" src="/static/site/assets/car-facing-right-lg@2x.png" alt="">
        <a class="tracking-book-callout" href="/">
          <small>Need to book a new rental?</small>
          <strong>Click here and we'll<br>find you a great deal!</strong>
        </a>
        <section class="tracking-card">
          <ol class="workflow-steps">{progress}</ol>
          <form method="post" action="{_safe(action)}" class="tracking-form">
            <h1>{_safe(title)}</h1>{note}{fields}
            <button class="orange-button" type="submit">Next</button>
          </form>
        </section>
        <a class="tracking-lookup" href="/reservations/lookup">View/Cancel Existing Reservation</a>
      </section>
      <section class="tracking-explainer">
        <a class="tracking-video-link" href="/external-link?destination=video"
           aria-label="Open the AutoSlash savings video">
          <img class="tracking-video" src="/static/site/assets/pic-video-poster@2x.jpg"
               alt="AutoSlash rental savings explainer">
        </a>
        <h2>Just 3 easy steps to save on your car rental:</h2>
        <div class="tracking-tabs"><a href="/">To request a rental quote</a><span>To track a rental</span></div>
        <div class="tracking-steps">
          <article><img src="/static/site/assets/pic-steps-track-1.svg" alt=""><div class="tracking-step-copy"><b>1.</b><p>Tell us the confirmation # <br>and price of your <br>car rental...</p></div></article>
          <article><img src="/static/site/assets/pic-steps-track-2.svg" alt=""><div class="tracking-step-copy"><b>2.</b><p>Our super-smart computers (coded <br>by travel geeks) <br>get to work...</p></div></article>
          <article><img src="/static/site/assets/pic-steps-track-3.svg" alt=""><div class="tracking-step-copy"><b>3.</b><p>You relax! We <br>email you when <br>the price of your <br>rental drops!</p></div></article>
        </div>
      </section>
      <section class="tracking-community">
        <div><h2>Recent Reviews</h2><a href="/external-link?destination=reviews">Review us</a></div>
        <div class="tracking-feed"><h2>AutoSlash Tips</h2><a href="/external-link?destination=blog">Check out our blog</a>
          <article><a href="/external-link?destination=blog">Who Owns Hertz Car Rental?</a><i>August 22, 2026</i>
          <a href="/external-link?destination=blog">What to Know About Car Rentals in North Carolina</a><i>August 22, 2026</i>
          <a href="/external-link?destination=blog">Here’s How to Beat a Pricey Airport Car Rental Rate</a><i>August 22, 2026</i><a class="tracking-card-read-more" href="/external-link?destination=blog">Read more</a></article>
        </div>
        <div class="tracking-news"><h2>In the News</h2><a href="/external-link?destination=press">See all the press</a>
          <article>
            <a href="/external-link?destination=press">All About Autoslash: The #1 Tool to Save on Rental Cars!</a><i>July 29, 2024</i>
            <a href="/external-link?destination=press">5 ON YOUR SIDE: Real deal rental car advice</a><i>July 19, 2024</i>
            <a href="/external-link?destination=press">Beginner’s Guide: Save on Car Rentals with AutoSlash</a><i>May 30, 2024</i><a class="tracking-card-read-more" href="/external-link?destination=press">Read more</a>
          </article>
        </div>
      </section>
      <a class="source-chat-button" href="/contact-us"
         aria-label="Open AutoSlash support"><span aria-hidden="true"><i></i>Help!</span></a>
    </main>"""
    return _document("Track a Rental", "track", body)


def _confirmation(
    title: str,
    message: str,
    request_id: str,
    view: str,
    details: tuple[tuple[str, object], ...] = (),
) -> HTMLResponse:
    summary = ""
    if details:
        rows = "".join(
            f"<div><dt>{_safe(label)}</dt><dd>{_safe(value)}</dd></div>"
            for label, value in details
        )
        summary = f'<dl class="confirmation-summary">{rows}</dl>'
    body = f"""<main class="plain-page"><section class="plain-card confirmation-card">
      <h1>{_safe(title)}</h1><p>{_safe(message)}</p>
      {summary}
      <p class="request-id">Reference: <strong>{_safe(request_id)}</strong></p>
      <div class="local-notice">This offline clone saved the request locally. It did not
      contact the source site, a rental company, an email provider, or a payment service.</div>
      <p><a class="orange-link" href="/">Get another quote</a>
      <a class="text-link" href="/track">Track a rental</a></p>
    </section></main>"""
    return _document(title, view, body)


def _reference_html(kind: str) -> str:
    content = REFERENCE_PAGE_FILES[kind].read_text(encoding="utf-8", errors="ignore")
    content = re.sub(r"<script\b[^>]*>.*?</script>", "", content, flags=re.I | re.S)
    content = re.sub(
        r"<meta\b[^>]*http-equiv\s*=\s*[\"']?content-security-policy[\"']?[^>]*>",
        "",
        content,
        flags=re.I,
    )
    content = re.sub(
        r"<meta\b[^>]*\bname\s*=\s*[\"']?referrer[\"']?[^>]*>",
        "",
        content,
        flags=re.I,
    )
    local_links = {
        "/track": "/track",
        "/coupons": "/coupons",
        "/our-story": "/our-story",
        "/how-we-do-it": "/how-we-do-it",
        "/frequently-asked-questions": "/frequently-asked-questions",
        "/contact-us": "/contact-us",
        "/reservations/lookup": "/reservations/lookup",
        "/privacy-policy": "/privacy-policy",
        "/terms-of-use": "/terms-of-use",
    }
    for path, local in local_links.items():
        content = re.sub(
            rf"https?://(?:www\.)?autoslash\.com{re.escape(path)}(?=[\"'\s<>?#])",
            local,
            content,
            flags=re.I,
        )
    content = re.sub(
        r"https?://(?:www\.)?autoslash\.com(?P<path>/[^\"'\s<>]*)?",
        lambda match: match.group("path") or "/",
        content,
        flags=re.I,
    )
    content = re.sub(
        r"\b(href|action)=(?:[\"'][^\"']*(?:https?:)?//[^\"']*[\"']|[^\s>]*(?:https?:)?//[^\s>]*)",
        r'\1="/external-link?destination=external"',
        content,
        flags=re.I,
    )
    content = re.sub(
        r"url\(\s*[\"']?(?:https?:)?//[^)]*\)", "url(data:,)", content, flags=re.I
    )
    content = content.replace("https://", "about:blank#").replace("http://", "about:blank#")
    actions = {
        "quote-home": "/quote/pickup-location",
        "quote-vehicle": "/quote/vehicle",
        "quote-memberships": "/quote/memberships",
        "quote-contact": "/quote/contact-info",
    }
    if kind in actions:
        content = re.sub(
            r"(<form\b[^>]*\baction=)(?:\"[^\"]*\"|'[^']*'|[^\s>]+)",
            rf'\1"{actions[kind]}"',
            content,
            count=1,
            flags=re.I,
        )
    content = re.sub(
        r"/quote/vehicle/[a-f0-9-]+(?:\?[^\"'\s<>]*)?",
        "/quote/vehicle",
        content,
        flags=re.I,
    )
    content = re.sub(
        r"/quote/memberships/[a-f0-9-]+/(?:true|false)",
        "/quote/memberships",
        content,
        flags=re.I,
    )
    content = re.sub(
        r"/quote/contact-info/[a-f0-9-]+",
        "/quote/contact-info",
        content,
        flags=re.I,
    )
    if kind == "quote-contact":
        content = re.sub(
            r"(<select\b(?=[^>]*\bname=PointOfSaleCountry\b)[^>]*>)\s*</select>",
            r'\1<option value="US" selected>United States</option></select>',
            content,
            count=1,
            flags=re.I,
        )
    if "Which of these credit cards do you have?" in content:
        content = re.sub(
            r'<a\b(?=[^>]*\bclass="[^"]*\bgo-to-step2\b[^"]*")[^>]*>\s*Next\s*</a>',
            '<button type="submit" class="go-to-step2 btn">Next</button>',
            content,
            count=1,
            flags=re.I,
        )
    view = {"quote-home": "home", "quote-vehicle": "quote",
            "quote-memberships": "quote", "quote-contact": "quote"}.get(kind, kind)
    content = re.sub(
        r"<body([^>]*)>",
        lambda match: f'<body{match.group(1)} data-view="{view}" data-reference="true">',
        content,
        count=1,
        flags=re.I,
    )
    if kind == "help":
        content = content.replace(
            "</form>",
            '</form><p class="faq-empty-message" role="status" hidden>'
            'No results. No FAQ answers match your search. '
            '<a href="/frequently-asked-questions">Show all questions</a>.</p>',
            1,
        )
    if kind == "coupons":
        company_matches = re.findall(
            r"\bdata-company=(?:\"([^\"]+)\"|'([^']+)'|([^\s>]+))",
            content,
            flags=re.I,
        )
        companies = sorted(
            {next(part for part in match if part) for match in company_matches}
        )
        options = '<option value="All">All Companies</option>' + "".join(
            f'<option value="{_safe(company)}">{_safe(company)}</option>'
            for company in companies
        )
        content = re.sub(
            r"<select\b(?=[^>]*\bid=coupon-company-select\b)[^>]*>\s*</select>",
            '<select class="custom-select-no-search" id="coupon-company-select" '
            f'aria-label="Filter coupons by company">{options}</select>',
            content,
            count=1,
            flags=re.I,
        )
    mobile_trigger = (
        '<a href="#modal-mobile-menu" class="mobile-logo popup-from-top" '
        'aria-label="Open menu"><img class="mobile-menu-icon" '
        'src="/static/site/assets/icon-mob-hamburger.svg" alt=""></a>'
    )
    content = re.sub(
        r'<a href=#modal-mobile-menu class="mobile-logo popup-from-top sf-hidden">\s*</a>',
        mobile_trigger,
        content,
        count=1,
        flags=re.I,
    )
    mobile_panel = (
        '<div id="modal-mobile-menu" class="modal modal-mobile-menu '
        'mfp-with-anim mfp-hide sf-hidden" aria-hidden="true">'
        '<button type="button" class="mfp-close" aria-label="Close menu">×</button>'
        '<nav class="mobile-menu-nav" aria-label="Mobile primary">'
        '<a href="/">Get a Quote</a><a href="/track">Track a Rental</a>'
        '<a href="/reservations/lookup">View/Cancel Existing Reservation</a>'
        '<a href="/coupons">Coupons</a><a href="/our-story">Our Story</a>'
        '<a href="/how-we-do-it">How We Do It</a>'
        '<a href="/frequently-asked-questions">FAQ</a>'
        '<a href="/contact-us">Contact Us</a></nav></div>'
    )
    content = re.sub(
        r'<div id=modal-mobile-menu class="modal modal-mobile-menu '
        r'mfp-with-anim mfp-hide sf-hidden">\s*</div>',
        mobile_panel,
        content,
        count=1,
        flags=re.I,
    )
    quote_css = (
        '<link rel="stylesheet" href="/static/site/quote-reference.css">'
        if kind.startswith("quote-") else ""
    )
    additions = (
        quote_css
        + '<link rel="stylesheet" href="/static/site/navigation.css">'
        + '<script src="/static/site/reference-interactions.js" defer></script>'
        + '<script src="/static/site/autoslash.js" defer></script>'
    )
    return content.replace("</head>", additions + "</head>", 1)


def _reference_page(kind: str) -> HTMLResponse:
    return HTMLResponse(_reference_html(kind))


def _captured_quote_step(
    action: str, content: str, active_count: int, *, show_next: bool = True
) -> HTMLResponse:
    source = _reference_html("quote-vehicle")
    source = source.replace('action="/quote/vehicle"', f'action="{action}"', 1)
    pane = source.index("<div class=quote-step-pane>") + len("<div class=quote-step-pane>")
    controls = source.index("<div class=nav-controls>", pane)
    source = source[:pane] + content + source[controls:]
    if not show_next:
        source = re.sub(
            r"<input type=submit[^>]*value=Next[^>]*>", "", source, count=1, flags=re.I
        )
    labels = ("Where", "When", "Vehicle", "Deals", "Your details")
    for index, label in enumerate(labels):
        pattern = (
            rf'<li class=(?:"quote-steps-nav-item(?: active)?"|'
            rf'quote-steps-nav-item(?: active)?)[^>]*>{re.escape(label)}</li>'
        )
        replacement = (
            f'<li class="quote-steps-nav-item{" active" if index < active_count else ""}">'
            f"{label}</li>"
        )
        source = re.sub(pattern, replacement, source, count=1)
    return HTMLResponse(source)


app = FastAPI(title="AutoSlash offline clone", docs_url=None, redoc_url=None)
app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")


@app.middleware("http")
async def security_boundary(request: Request, call_next: Any) -> Response:
    if request.method not in {"GET", "HEAD", "OPTIONS"}:
        origin = request.headers.get("origin")
        parsed = urlparse(origin or "")
        if (
            not origin
            or parsed.scheme != request.url.scheme
            or parsed.netloc != request.url.netloc
            or parsed.path not in {"", "/"}
            or parsed.params
            or parsed.query
            or parsed.fragment
        ):
            return JSONResponse(
                {"detail": "same-origin mutation proof required"}, status_code=403
            )
    response = await call_next(request)
    response.headers.setdefault("content-security-policy", CONTENT_SECURITY_POLICY)
    response.headers.setdefault("x-content-type-options", "nosniff")
    response.headers.setdefault("referrer-policy", "same-origin")
    return response


@app.get("/__websitebench/health")
async def websitebench_health() -> dict[str, str]:
    with _backend().lifecycle.connection() as connection:
        connection.execute("SELECT 1").fetchone()
    return {"status": "ok"}


@app.get("/healthz")
async def healthz() -> dict[str, Any]:
    with _backend().lifecycle.connection() as connection:
        connection.execute("SELECT 1").fetchone()
    return {"ok": True, "site_id": SITE_ID}


@app.get("/", include_in_schema=False)
@app.get("/quote", include_in_schema=False)
@app.get("/get-a-quote", include_in_schema=False)
async def home(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("quote-home"), token)


@app.get("/quote/pickup-location", include_in_schema=False)
async def pickup_location_entry(request: Request) -> Response:
    return await home(request)


@app.post("/quote/pickup-location", include_in_schema=False)
async def pickup_location(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    location_type = _form_value(values, "location_type", "airport")
    local_pickup = _form_value(values, "location")
    airport_pickup = _form_value(values, "airport") or _form_value(
        values, "AirportId-display"
    )
    if location_type == "non-airport" and local_pickup:
        pickup = local_pickup
    else:
        location_type = "airport"
        pickup = airport_pickup
    if not pickup:
        return _finish(request, _reference_page("quote-home"), token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        connection.execute(
            "DELETE FROM autoslash_quote_drafts WHERE owner_id=?", (owner,)
        )
        save_draft(
            connection, "autoslash_quote_drafts", owner, "where",
            {"pickup": pickup, "location_type": location_type},
        )
    content = (
        f'<h2>Do you want to return your rental to the same location?</h2>'
        f'<p><em>({_safe(pickup)})</em></p><div class="choice-grid">'
        '<button class="nav-control-btn nav-control-next btn" type="submit" '
        'name="same_location" value="yes">Yes</button>'
        '<button class="nav-control-btn nav-control-next btn" type="submit" '
        'name="same_location" value="no">No</button></div>'
    )
    return _finish(
        request,
        _captured_quote_step("/quote/dropoff-location", content, 1, show_next=False),
        token,
    )


@app.post("/quote/dropoff-location", include_in_schema=False)
async def quote_dropoff_location(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    same = _form_value(values, "same_location", "yes")
    dropoff = _form_value(values, "dropoff")
    with _backend().lifecycle.connection(transaction=True) as connection:
        draft = read_draft(connection, "autoslash_quote_drafts", owner)
        pickup = str(draft.get("pickup", ""))
        if same == "no" and not dropoff:
            content = (
                "<h2>Where will you return the rental?</h2>"
                '<label class="field"><span>Drop-off city or address</span>'
                '<input class="input-large" name="dropoff" '
                'placeholder="city, neighborhood, or address" required></label>'
                '<input type="hidden" name="same_location" value="no">'
            )
            response = _captured_quote_step("/quote/dropoff-location", content, 1)
            return _finish(request, response, token)
        destination = pickup if same == "yes" else dropoff
        if not _advance_draft(
            connection, "autoslash_quote_drafts", owner, "where", "pickup-date",
            {"dropoff": destination, "same_location": same},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start your quote again",
                    "The previous location step is missing or no longer current.",
                    "/", "quote-workflow-required",
                ),
                token,
            )
    content = (
        "<h2>When will you pick up the rental?</h2>"
        '<label class="field"><span>Pickup date</span>'
        '<input class="input-large" type="date" name="pickup_date" required></label>'
        '<label class="field"><span>Pickup time</span>'
        '<input class="input-large" type="time" name="pickup_time" value="12:00" required></label>'
        "<p><strong>Non-airport locations are typically open 8am-5pm Mon-Fri, "
        "8am-12pm Sat, closed Sun.</strong></p>"
    )
    return _finish(
        request, _captured_quote_step("/quote/pickup-date", content, 2), token
    )


@app.get("/quote/pickup-date", include_in_schema=False)
async def quote_pickup_date_get(request: Request) -> Response:
    _, token = _owner(request)
    content = (
        "<h2>When will you pick up the rental?</h2>"
        '<label class="field"><span>Pickup date</span>'
        '<input class="input-large" type="date" name="pickup_date" required></label>'
        '<label class="field"><span>Pickup time</span>'
        '<input class="input-large" type="time" name="pickup_time" value="12:00" required></label>'
    )
    return _finish(
        request, _captured_quote_step("/quote/pickup-date", content, 2), token
    )


@app.post("/quote/pickup-date", include_in_schema=False)
async def quote_pickup_date(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    pickup_date = _form_value(values, "pickup_date")
    pickup_time = _form_value(values, "pickup_time", "12:00")
    if not _valid_date(pickup_date) or not _valid_time(pickup_time):
        return await quote_pickup_date_get(request)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_quote_drafts", owner, "pickup-date", "dropoff-date",
            {"pickup_date": pickup_date, "pickup_time": pickup_time},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start your quote again",
                    "Complete the location steps before choosing dates.",
                    "/", "quote-workflow-required",
                ),
                token,
            )
    content = (
        "<h2>When will you drop off the rental?</h2>"
        '<label class="field"><span>Drop-off date</span>'
        '<input class="input-large" type="date" name="dropoff_date" required></label>'
        '<label class="field"><span>Drop-off time</span>'
        '<input class="input-large" type="time" name="dropoff_time" value="12:00" required></label>'
    )
    return _finish(
        request, _captured_quote_step("/quote/dropoff-date", content, 2), token
    )


@app.post("/quote/dropoff-date", include_in_schema=False)
async def quote_dropoff_date(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    dropoff_date = _form_value(values, "dropoff_date")
    dropoff_time = _form_value(values, "dropoff_time", "12:00")
    with _backend().lifecycle.connection() as connection:
        draft = read_draft(connection, "autoslash_quote_drafts", owner)
    pickup_date = str(draft.get("pickup_date", ""))
    if (
        not _valid_date(dropoff_date)
        or not _valid_time(dropoff_time)
        or not _valid_date(pickup_date)
        or dropoff_date < pickup_date
    ):
        response = _captured_quote_step(
            "/quote/dropoff-date",
            "<h2>When will you drop off the rental?</h2>"
            '<p class="form-message">Select a drop-off date after the pickup date.</p>'
            '<input class="input-large" type="date" name="dropoff_date" required>',
            2,
        )
        return _finish(request, response, token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_quote_drafts", owner, "dropoff-date", "vehicle",
            {"dropoff_date": dropoff_date, "dropoff_time": dropoff_time},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start your quote again",
                    "Complete the pickup-date step before choosing a drop-off date.",
                    "/", "quote-workflow-required",
                ),
                token,
            )
    return _finish(request, _reference_page("quote-vehicle"), token)


@app.get("/quote/vehicle", include_in_schema=False)
async def quote_vehicle(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("quote-vehicle"), token)


@app.post("/quote/vehicle", include_in_schema=False)
async def quote_vehicle_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    vehicle = _form_value(values, "CarClass")
    if vehicle not in VEHICLE_LABELS:
        return _finish(request, _reference_page("quote-vehicle"), token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_quote_drafts", owner, "vehicle", "deals",
            {"vehicle_class": vehicle},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start your quote again",
                    "Complete the location and date steps before choosing a vehicle.",
                    "/", "quote-workflow-required",
                ),
                token,
            )
    return _finish(request, _reference_page("quote-memberships"), token)


@app.get("/quote/memberships", include_in_schema=False)
async def quote_memberships(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("quote-memberships"), token)


@app.post("/quote/memberships", include_in_schema=False)
async def quote_memberships_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    deals = values.get("AffiliationIds", [])
    if not deals or any(deal not in AFFILIATION_LABELS for deal in deals):
        return _finish(request, _reference_page("quote-memberships"), token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_quote_drafts", owner, "deals", "contact",
            {"affiliation_ids": deals},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start your quote again",
                    "Choose a vehicle before adding memberships and discounts.",
                    "/", "quote-workflow-required",
                ),
                token,
            )
    return _finish(request, _reference_page("quote-contact"), token)


@app.get("/quote/contact-info", include_in_schema=False)
async def quote_contact_info(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("quote-contact"), token)


@app.post("/quote/contact-info", include_in_schema=False)
async def quote_contact_info_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    first = _form_value(values, "FirstName")
    last = _form_value(values, "LastName")
    email = _form_value(values, "Email").casefold()
    confirm = _form_value(values, "ConfirmEmail").casefold()
    license_country = _form_value(values, "PointOfSaleCountry")
    if not first or not last or not EMAIL_RE.fullmatch(email) or email != confirm:
        return _finish(request, _reference_page("quote-contact"), token)
    request_id = _request_id("ASQ")
    backend = _backend()
    with backend.lifecycle.connection(transaction=True) as connection:
        draft = connection.execute(
            "SELECT stage,payload_json FROM autoslash_quote_drafts WHERE owner_id=?",
            (owner,),
        ).fetchone()
        required = {
            "pickup", "location_type", "dropoff", "same_location",
            "pickup_date", "pickup_time", "dropoff_date", "dropoff_time",
            "vehicle_class", "affiliation_ids",
        }
        payload = json.loads(draft["payload_json"]) if draft is not None else {}
        if draft is None or draft["stage"] != "contact" or not required <= payload.keys():
            response = _information_page(
                "Complete your quote first",
                (
                    "Complete the earlier quote steps before submitting contact information.",
                    "Return to Get a Quote to choose locations, dates, vehicle, and deals.",
                ),
                "quote-workflow-required",
            )
            response.status_code = 409
            return _finish(request, response, token)
        if license_country not in COUNTRY_LABELS:
            return _finish(request, _reference_page("quote-contact"), token)
        payload.update({
            "first_name": first,
            "last_name": last,
            "email": email,
            "license_country": license_country,
        })
        connection.execute(
            "INSERT INTO autoslash_quote_requests"
            "(request_id,owner_id,payload_json,status,created_at) VALUES (?,?,?,?,?)",
            (request_id, owner, json.dumps(payload, sort_keys=True), "received", utc_now()),
        )
        backend.mail.enqueue(
            "quote-request", email, {"request_id": request_id},
            idempotency_key=f"quote:{request_id}", simulation=True, connection=connection,
        )
        connection.execute(
            "DELETE FROM autoslash_quote_drafts WHERE owner_id=?", (owner,)
        )
    response = RedirectResponse("/quote/confirmation", status_code=303)
    return _finish(request, response, token)


@app.get("/quote/confirmation", include_in_schema=False)
async def quote_confirmation(request: Request) -> Response:
    owner, token = _owner(request)
    with _backend().lifecycle.connection() as connection:
        row = connection.execute(
            "SELECT request_id,payload_json FROM autoslash_quote_requests "
            "WHERE owner_id=? ORDER BY created_at DESC,rowid DESC LIMIT 1",
            (owner,),
        ).fetchone()
    if row is None:
        return _finish(request, RedirectResponse("/", status_code=303), token)
    payload = json.loads(row["payload_json"])
    response = _confirmation(
        "Thanks! We're working on your quote.",
        "Your quote request has been received. No credit card is required.",
        str(row["request_id"]),
        "quote-confirmation",
        (
            ("Pickup", payload["pickup"]),
            ("Drop-off", payload["dropoff"]),
            (
                "Pickup date",
                _display_date(payload["pickup_date"], include_time=payload["pickup_time"]),
            ),
            (
                "Drop-off date",
                _display_date(payload["dropoff_date"], include_time=payload["dropoff_time"]),
            ),
            ("Vehicle", VEHICLE_LABELS.get(payload["vehicle_class"], payload["vehicle_class"])),
            (
                "Cards and discounts",
                ", ".join(
                    AFFILIATION_LABELS.get(item, item)
                    for item in payload["affiliation_ids"]
                ),
            ),
            ("Primary driver", f'{payload["first_name"]} {payload["last_name"]}'),
            (
                "Driver's license issued by",
                COUNTRY_LABELS.get(payload["license_country"], payload["license_country"]),
            ),
        ),
    )
    return _finish(request, response, token)


@app.get("/track", include_in_schema=False)
@app.get("/track-a-rental", include_in_schema=False)
async def track(request: Request) -> Response:
    _, token = _owner(request)
    fields = (
        _select("Company", "CompanyId", COMPANIES, "select your rental company")
        + _field(
            "Confirmation Number", "TrackingConfirmationNumber",
            placeholder="rental confirmation number",
        )
    )
    return _finish(
        request,
        _tracking_page(
            1, "Enter your rental company and confirmation number:",
            "/price-tracking/confirmation", fields,
        ),
        token,
    )


@app.post("/price-tracking/confirmation", include_in_schema=False)
async def tracking_confirmation(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    company = _form_value(values, "CompanyId")
    confirmation = _form_value(
        values, "TrackingConfirmationNumber"
    ) or _form_value(values, "ConfirmationNumber")
    if company not in COMPANIES or not confirmation:
        response = _tracking_page(
            1, "Enter your rental company and confirmation number:",
            "/price-tracking/confirmation",
            _select("Company", "CompanyId", COMPANIES, "select your rental company")
            + _field(
                "Confirmation Number", "TrackingConfirmationNumber",
                placeholder="rental confirmation number",
            ),
            message="Choose a rental company and enter your confirmation number.",
        )
        return _finish(request, response, token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        connection.execute(
            "DELETE FROM autoslash_tracking_drafts WHERE owner_id=?", (owner,)
        )
        save_draft(
            connection, "autoslash_tracking_drafts", owner, "date",
            {"company": company, "confirmation": confirmation},
        )
    fields = _field("Pickup date", "pickup_date", input_type="date") + _field(
        "Drop-off date", "dropoff_date", input_type="date"
    )
    return _finish(
        request,
        _tracking_page(2, "When is your rental?", "/price-tracking/date", fields),
        token,
    )


@app.post("/price-tracking/date", include_in_schema=False)
async def tracking_date(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    pickup_date = _form_value(values, "pickup_date")
    dropoff_date = _form_value(values, "dropoff_date")
    if (
        not _valid_date(pickup_date)
        or not _valid_date(dropoff_date)
        or dropoff_date < pickup_date
    ):
        response = _tracking_page(
            2, "When is your rental?", "/price-tracking/date",
            _field("Pickup date", "pickup_date", input_type="date")
            + _field("Drop-off date", "dropoff_date", input_type="date"),
            message="Enter a valid pickup and drop-off date.",
        )
        return _finish(request, response, token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_tracking_drafts", owner, "date", "price",
            {"pickup_date": pickup_date, "dropoff_date": dropoff_date},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start price tracking again",
                    "Enter the rental company and confirmation number before the dates.",
                    "/track", "tracking-workflow-required",
                ),
                token,
            )
    fields = _field(
        "Total rental price", "total_price", input_type="number", placeholder="0.00"
    ) + _field(
        "Currency", "currency", value="USD", required=True
    )
    return _finish(
        request,
        _tracking_page(
            3, "What price did you book?", "/price-tracking/price", fields
        ),
        token,
    )


@app.post("/price-tracking/price", include_in_schema=False)
async def tracking_price(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    total = _form_value(values, "total_price")
    try:
        valid_total = 0 < float(total) < 100000
    except ValueError:
        valid_total = False
    if not valid_total:
        response = _tracking_page(
            3, "What price did you book?", "/price-tracking/price",
            _field("Total rental price", "total_price", input_type="number"),
            message="Enter the total price shown on your reservation.",
        )
        return _finish(request, response, token)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_tracking_drafts", owner, "price", "deals",
            {"total_price": total, "currency": "USD"},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start price tracking again",
                    "Enter the reservation dates before its total price.",
                    "/track", "tracking-workflow-required",
                ),
                token,
            )
    fields = (
        '<fieldset class="deal-options"><legend>Which discounts may apply?</legend>'
        '<label><input type="checkbox" name="deals" value="AAA"> AAA</label>'
        '<label><input type="checkbox" name="deals" value="AARP"> AARP</label>'
        '<label><input type="checkbox" name="deals" value="USAA"> USAA</label>'
        '<label><input type="checkbox" name="deals" value="none"> None of these</label>'
        "</fieldset>"
    )
    return _finish(
        request,
        _tracking_page(
            4, "Tell us about your eligible discounts:",
            "/price-tracking/deals", fields,
        ),
        token,
    )


@app.post("/price-tracking/deals", include_in_schema=False)
async def tracking_deals(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    with _backend().lifecycle.connection(transaction=True) as connection:
        if not _advance_draft(
            connection, "autoslash_tracking_drafts", owner, "deals", "email",
            {"deals": values.get("deals", [])},
        ):
            return _finish(
                request,
                _workflow_conflict(
                    "Start price tracking again",
                    "Enter the booked price before selecting eligible discounts.",
                    "/track", "tracking-workflow-required",
                ),
                token,
            )
    fields = _field(
        "Email", "email", input_type="email", placeholder="ex. janedoe@example.com"
    ) + _field(
        "Confirm Email", "confirm_email", input_type="email", placeholder="confirm email"
    )
    return _finish(
        request,
        _tracking_page(
            5, "Where should we send price-drop alerts?",
            "/price-tracking/email", fields,
        ),
        token,
    )


@app.post("/price-tracking/email", include_in_schema=False)
async def tracking_email(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    email = _form_value(values, "email").casefold()
    confirm = _form_value(values, "confirm_email").casefold()
    if not EMAIL_RE.fullmatch(email) or email != confirm:
        response = _tracking_page(
            5, "Where should we send price-drop alerts?",
            "/price-tracking/email",
            _field("Email", "email", input_type="email")
            + _field("Confirm Email", "confirm_email", input_type="email"),
            message="Enter the same valid email address twice.",
        )
        return _finish(request, response, token)
    request_id = _request_id("AST")
    backend = _backend()
    with backend.lifecycle.connection(transaction=True) as connection:
        draft = connection.execute(
            "SELECT stage,payload_json FROM autoslash_tracking_drafts WHERE owner_id=?",
            (owner,),
        ).fetchone()
        required = {
            "company", "confirmation", "pickup_date", "dropoff_date",
            "total_price", "currency", "deals",
        }
        payload = json.loads(draft["payload_json"]) if draft is not None else {}
        if draft is None or draft["stage"] != "email" or not required <= payload.keys():
            response = _information_page(
                "Complete price tracking first",
                (
                    "Complete the earlier tracking steps before submitting an email.",
                    "Return to Track a Rental to add the reservation, dates, price, and deals.",
                ),
                "tracking-workflow-required",
            )
            response.status_code = 409
            return _finish(request, response, token)
        payload["email"] = email
        connection.execute(
            "INSERT INTO autoslash_tracking_requests"
            "(request_id,owner_id,payload_json,status,created_at) VALUES (?,?,?,?,?)",
            (request_id, owner, json.dumps(payload, sort_keys=True), "watching", utc_now()),
        )
        backend.mail.enqueue(
            "price-tracking", email, {"request_id": request_id},
            idempotency_key=f"tracking:{request_id}", simulation=True,
            connection=connection,
        )
        connection.execute(
            "DELETE FROM autoslash_tracking_drafts WHERE owner_id=?", (owner,)
        )
    response = RedirectResponse("/price-tracking/complete", status_code=303)
    return _finish(request, response, token)


@app.get("/price-tracking/complete", include_in_schema=False)
async def tracking_complete(request: Request) -> Response:
    owner, token = _owner(request)
    with _backend().lifecycle.connection() as connection:
        row = connection.execute(
            "SELECT request_id,payload_json FROM autoslash_tracking_requests "
            "WHERE owner_id=? ORDER BY created_at DESC,rowid DESC LIMIT 1",
            (owner,),
        ).fetchone()
    if row is None:
        return _finish(request, RedirectResponse("/track", status_code=303), token)
    payload = json.loads(row["payload_json"])
    response = _confirmation(
        "We'll watch for lower prices.",
        "If a lower rate appears, AutoSlash notifies you. You decide whether to "
        "rebook and cancel the old reservation; no automatic rebooking occurs.",
        str(row["request_id"]),
        "tracking-confirmation",
        (
            ("Rental company", payload["company"]),
            ("Confirmation number", payload["confirmation"]),
            ("Pickup date", _display_date(payload["pickup_date"])),
            ("Drop-off date", _display_date(payload["dropoff_date"])),
            ("Booked total", f'${float(payload["total_price"]):.2f} {payload["currency"]}'),
            ("Eligible discounts", ", ".join(payload["deals"]) or "None selected"),
        ),
    )
    return _finish(request, response, token)


@app.get("/reservations/lookup", include_in_schema=False)
async def reservation_lookup(request: Request) -> Response:
    _, token = _owner(request)
    response = _plain_form_page(
        "Reservation Lookup",
        'View or cancel an existing reservation. '
        '<a href="/reservations/forgot">Don\'t remember your Trip ID?</a>',
        "/reservations/lookup",
        _field(
            "Trip ID or Confirmation Number", "confirmation",
            placeholder="from your confirmation email",
        )
        + _field("Email", "email", input_type="email", placeholder="ex. janedoe@example.com"),
        view="reservation-lookup",
        extra='<p><a href="/external-link?destination=priceline">Booked with Priceline?</a></p>',
    )
    return _finish(request, response, token)


@app.post("/reservations/lookup", include_in_schema=False)
async def reservation_lookup_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    confirmation = _form_value(values, "confirmation")
    email = _form_value(values, "email").casefold()
    if not confirmation or not EMAIL_RE.fullmatch(email):
        return await reservation_lookup(request)
    request_id = _request_id("ASL")
    with _backend().lifecycle.connection(transaction=True) as connection:
        connection.execute(
            "INSERT INTO autoslash_lookup_requests"
            "(request_id,owner_id,confirmation_digest,email_digest,status,created_at) "
            "VALUES (?,?,?,?,?,?)",
            (
                request_id, owner, _digest(confirmation, "confirmation"),
                _digest(email, "email"), "not-found-local", utc_now(),
            ),
        )
    response = _confirmation(
        "We couldn't find a local reservation.",
        "This offline review database contains no source-site reservations. "
        "Check the Trip ID and email or request a Trip ID reminder.",
        request_id,
        "reservation-lookup",
    )
    return _finish(request, response, token)


@app.get("/reservations/forgot", include_in_schema=False)
@app.get("/reservations/email", include_in_schema=False)
async def forgot_trip(request: Request) -> Response:
    _, token = _owner(request)
    response = _plain_form_page(
        "Forgot your Trip ID?",
        "Enter the email address used for your AutoSlash quote or tracked rental.",
        "/reservations/forgot",
        _field("Email", "email", input_type="email", placeholder="ex. janedoe@example.com"),
        view="forgot-trip",
    )
    return _finish(request, response, token)


@app.post("/reservations/forgot", include_in_schema=False)
@app.post("/reservations/email", include_in_schema=False)
async def forgot_trip_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    email = _form_value(values, "email").casefold()
    if not EMAIL_RE.fullmatch(email):
        return await forgot_trip(request)
    request_id = _request_id("ASR")
    backend = _backend()
    with backend.lifecycle.connection(transaction=True) as connection:
        backend.mail.enqueue(
            "trip-id-recovery", email, {"request_id": request_id},
            idempotency_key=f"recovery:{owner}:{request_id}",
            simulation=True, connection=connection,
        )
    response = _confirmation(
        "Check your email.",
        "If this address matches a local record, recovery instructions were placed "
        "in the local-only outbox. The public response does not reveal a match.",
        request_id,
        "forgot-trip",
    )
    return _finish(request, response, token)


@app.get("/contact-us", include_in_schema=False)
async def contact_us(request: Request) -> Response:
    _, token = _owner(request)
    fields = (
        _field("Name", "name", placeholder="ex. Jane Doe")
        + _field("Email", "email", input_type="email", placeholder="ex. janedoe@example.com")
        + _field("Confirm Email", "confirm_email", input_type="email", placeholder="confirm email")
        + _field("Subject", "subject", placeholder="ex. tracking help")
        + '<label class="field"><span>Description</span>'
        '<textarea name="description" required></textarea></label>'
    )
    response = _plain_form_page(
        "Contact AutoSlash Support",
        "Fill out the form below or email us directly at support@autoslash.com.",
        "/contact-us",
        fields,
        view="contact",
    )
    return _finish(request, response, token)


@app.post("/contact-us", include_in_schema=False)
async def contact_us_post(request: Request) -> Response:
    owner, token = _owner(request)
    values = await _form_values(request)
    name = _form_value(values, "name")
    email = _form_value(values, "email").casefold()
    confirm = _form_value(values, "confirm_email").casefold()
    subject = _form_value(values, "subject")
    description = _form_value(values, "description")
    if (
        not name or not EMAIL_RE.fullmatch(email) or email != confirm
        or not subject or not description
    ):
        return await contact_us(request)
    request_id = _request_id("ASC")
    backend = _backend()
    with backend.lifecycle.connection(transaction=True) as connection:
        connection.execute(
            "INSERT INTO autoslash_support_requests"
            "(request_id,owner_id,name,email,subject,description,status,created_at) "
            "VALUES (?,?,?,?,?,?,?,?)",
            (request_id, owner, name, email, subject, description, "received", utc_now()),
        )
        backend.mail.enqueue(
            "contact-request", email, {"request_id": request_id},
            idempotency_key=f"contact:{request_id}",
            simulation=True, connection=connection,
        )
    response = _confirmation(
        "Thanks for contacting us.",
        "Your support request was saved in the local review environment.",
        request_id,
        "contact",
    )
    return _finish(request, response, token)


@app.get("/frequently-asked-questions", include_in_schema=False)
async def help_page(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("help"), token)


@app.get("/coupons", include_in_schema=False)
async def coupons(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("coupons"), token)


@app.get("/our-story", include_in_schema=False)
async def our_story(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("story"), token)


@app.get("/how-we-do-it", include_in_schema=False)
async def how_we_do_it(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(request, _reference_page("how"), token)


def _information_page(title: str, paragraphs: tuple[str, ...], view: str) -> HTMLResponse:
    content = "".join(f"<p>{_safe(paragraph)}</p>" for paragraph in paragraphs)
    return _document(
        title,
        view,
        f'<main class="plain-page"><article class="plain-card info-card">'
        f"<h1>{_safe(title)}</h1>{content}</article></main>",
    )


@app.get("/in-the-news", include_in_schema=False)
async def in_the_news(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(
        request,
        _information_page(
            "In the News",
            ("AutoSlash press links open outside the first-party site.",
             "External destinations are intentionally not contacted by this offline clone."),
            "news",
        ),
        token,
    )


@app.get("/privacy-policy", include_in_schema=False)
async def privacy_policy(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(
        request,
        _information_page(
            "AUTOSLASH PRIVACY POLICY",
            (
                "The offline clone stores submitted synthetic review data only in its "
                "site-bound local database.",
                "No source-site, email, analytics, advertising, or payment request is sent.",
            ),
            "privacy",
        ),
        token,
    )


@app.get("/terms-of-use", include_in_schema=False)
async def terms_of_use(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(
        request,
        _information_page(
            "Site Terms and Conditions of Use",
            (
                "This offline implementation reproduces the public review surface.",
                "It does not book, cancel, rebook, charge, or contact a real service.",
            ),
            "terms",
        ),
        token,
    )


@app.get("/coupons/{company}/{coupon_id}/{slug}", include_in_schema=False)
async def coupon_detail(
    request: Request, company: str, coupon_id: str, slug: str
) -> Response:
    _, token = _owner(request)
    title = slug.replace("-", " ").title()
    return _finish(
        request,
        _information_page(
            title,
            (
                f"{company.title()} coupon code: {coupon_id.upper()}",
                "Use Get a Quote to include eligible discounts. This page does not "
                "contact a rental company.",
            ),
            "coupon-detail",
        ),
        token,
    )


@app.get("/external-link", include_in_schema=False)
async def external_link(request: Request, destination: str = "external") -> Response:
    _, token = _owner(request)
    return _finish(
        request,
        _information_page(
            "External link",
            (
                f"{destination.title()} is outside the offline AutoSlash clone.",
                "Runtime network access is disabled, so this destination was not opened.",
            ),
            "external-link",
        ),
        token,
    )


@app.get("/account/sign-in", include_in_schema=False)
async def sign_in_notice(request: Request) -> Response:
    _, token = _owner(request)
    return _finish(
        request,
        _information_page(
            "Reservation Lookup",
            (
                "The verified anonymous source journey uses Trip ID and email lookup.",
                "No local password account is invented for this offline clone.",
            ),
            "reservation-lookup",
        ),
        token,
    )


@app.get("/api/session-summary")
async def session_summary(request: Request) -> Response:
    owner, token = _owner(request)
    with _backend().lifecycle.connection() as connection:
        quote_count = int(
            connection.execute(
                "SELECT COUNT(*) FROM autoslash_quote_requests WHERE owner_id=?",
                (owner,),
            ).fetchone()[0]
        )
        tracking_count = int(
            connection.execute(
                "SELECT COUNT(*) FROM autoslash_tracking_requests WHERE owner_id=?",
                (owner,),
            ).fetchone()[0]
        )
    response = JSONResponse(
        {"site_id": SITE_ID, "quote_requests": quote_count,
         "tracking_requests": tracking_count}
    )
    return _finish(request, response, token)


@app.api_route(
    "/{path:path}", methods=["GET"], include_in_schema=False
)
async def not_found(request: Request, path: str) -> Response:
    del path
    _, token = _owner(request)
    body = """<main class="not-found"><div>
    <img class="not-found-car" src="/static/site/assets/car-facing-right-lg@2x.png" alt="">
    <h1>Page Not Found</h1>
    <p>We're sorry, this page no longer exists.</p>
    <p>Please visit our <a href="/">home page</a> if you are not redirected in 5 seconds.</p>
    </div></main>"""
    return _finish(
        request, _document("Page not found", "not-found", body, status_code=404), token
    )


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(
        app,
        host=os.environ.get("HOST", "127.0.0.1"),
        port=int(os.environ.get("PORT", "3000")),
        log_level="warning",
    )