from pydantic import BaseModel, Field, field_validator
from typing import Optional, List, Dict, Literal, Any, Union
from datetime import datetime


class UploadResponse(BaseModel):
    file_id: str
    contact_count: int
    message: str


class TeamCreateRequest(BaseModel):
    name: str = Field(..., min_length=1, max_length=200)
    manager_user_id: Optional[int] = None


class TeamPatchRequest(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=200)
    manager_user_id: Optional[int] = None


class MemberPatchRequest(BaseModel):
    team_id: Optional[int] = None
    role: Optional[str] = Field(default=None, pattern="^(admin|member)$")


class InvitationPatchRequest(BaseModel):
    team_id: Optional[int] = None
    role: Optional[str] = Field(default=None, pattern="^(admin|member)$")


class PromptSaveRequest(BaseModel):
    file_id: str
    prompts: Dict[str, str]
    products: List[str]
    linkedin_prompts: Dict[str, str] = Field(default_factory=dict)
    sequence_plan: Optional[Union[List[Dict], Dict[str, Any]]] = Field(default=None)
    campaign_name: Optional[str] = None
    status: Optional[str] = None
    email_timezone: Optional[str] = None
    email_business_hours_start: Optional[int] = None
    email_business_hours_end: Optional[int] = None
    email_business_days: Optional[str] = None
    email_send_interval_seconds: Optional[int] = None


class UnipileLinkedinLimitsPatch(BaseModel):
    linkedin_daily_connection_cap: Optional[int] = Field(default=None, ge=1, le=200)
    linkedin_daily_message_cap: Optional[int] = Field(default=None, ge=1, le=300)
    linkedin_weekly_connection_cap: Optional[int] = Field(default=None, ge=1, le=1000)
    linkedin_weekly_message_cap: Optional[int] = Field(default=None, ge=1, le=1500)


class CampaignMetaPatchRequest(BaseModel):
    """Lightweight auto-save for campaign identity, independent of the full prompts/sequence
    payload — called on every wizard step transition so an abrupt tab close never strands
    already-generated content with no backend pointer back to it."""

    file_id: str
    campaign_name: Optional[str] = None
    status: Optional[str] = None


class SequenceResponse(BaseModel):
    id: int
    firstName: str
    lastName: str
    email: str
    company: str
    title: Optional[str] = None
    product: str
    subject: str
    emailContent: str


class SmartleadPushRequest(BaseModel):
    file_id: str
    campaign_id: str  # Required - campaign ID to add leads to
    dry_run: bool = False


class CrmLeadPatchRequest(BaseModel):
    crm_status: Optional[str] = None
    first_name: Optional[str] = None
    last_name: Optional[str] = None
    email: Optional[str] = None
    company_name: Optional[str] = None
    title: Optional[str] = None
    phone: Optional[str] = None  # the lead's own personal phone — not company-synced
    owner_user_id: Optional[int] = None
    last_reply_subject: Optional[str] = None
    last_reply_body: Optional[str] = None
    # Stored under raw_webhook["company_details"] (same Apollo keys as Contacts raw_data)
    company_name_for_emails: Optional[str] = None
    industry: Optional[str] = None
    employees: Optional[str] = None
    annual_revenue: Optional[str] = None
    last_raised_at: Optional[str] = None
    website: Optional[str] = None
    city: Optional[str] = None
    state: Optional[str] = None
    country_region: Optional[str] = None
    category: Optional[str] = None
    type: Optional[str] = None  # raw_webhook.company_details["Type"] — "Existing" | "New" | ""
    company_phone: Optional[str] = None  # the company's main line — synced, distinct from `phone`


class ContactCreateRequest(BaseModel):
    first_name: str = ""
    last_name: str = ""
    email: str
    company: str = ""
    title: str = ""
    phone: str = ""


class ContactPatchRequest(BaseModel):
    first_name: Optional[str] = None
    last_name: Optional[str] = None
    email: Optional[str] = None
    company: Optional[str] = None
    title: Optional[str] = None
    phone: Optional[str] = None  # the contact's own personal phone — not company-synced
    # Merged into raw_data (Apollo CSV-style keys)
    company_name_for_emails: Optional[str] = None
    industry: Optional[str] = None
    employees: Optional[str] = None
    annual_revenue: Optional[str] = None
    last_raised_at: Optional[str] = None
    website: Optional[str] = None
    city: Optional[str] = None
    state: Optional[str] = None
    country_region: Optional[str] = None  # raw_data["Country"]
    category: Optional[str] = None  # raw_data["Category"] — "A" | "B" | "C" | ""
    type: Optional[str] = None  # raw_data["Type"] — "Existing" | "New" | ""
    company_phone: Optional[str] = None  # raw_data["Phone"] — company's main line, synced
    owner_user_id: Optional[int] = None


class BulkLeadIdsRequest(BaseModel):
    lead_ids: List[int]


class BulkContactIdsRequest(BaseModel):
    contact_ids: List[int]


class ActivityCreateRequest(BaseModel):
    activity_type: Literal["call", "visit"]
    notes: str = Field(default="", max_length=8000)


class CompanyCreateRequest(BaseModel):
    name: str
    category: str = ""
    type: str = ""
    company_name_for_emails: str = ""
    industry: str = ""
    employees: str = ""
    annual_revenue: str = ""
    last_raised_at: str = ""
    website: str = ""
    city: str = ""
    state: str = ""
    country: str = ""
    phone: str = ""


class CompanyPatchRequest(BaseModel):
    name: Optional[str] = None
    category: Optional[str] = None
    type: Optional[str] = None
    company_name_for_emails: Optional[str] = None
    industry: Optional[str] = None
    employees: Optional[str] = None
    annual_revenue: Optional[str] = None
    last_raised_at: Optional[str] = None
    website: Optional[str] = None
    city: Optional[str] = None
    state: Optional[str] = None
    country: Optional[str] = None
    phone: Optional[str] = None
    owner_user_id: Optional[int] = None


class BulkCompanyIdsRequest(BaseModel):
    company_ids: List[int]


class CompanyContactCreateRequest(BaseModel):
    """Add a contact from the Companies page — company name is forced from the URL's company,
    not taken from the client, so a contact can never be silently mis-associated."""

    first_name: str = ""
    last_name: str = ""
    email: str
    title: str = ""
    phone: str = ""


class CrmDealCreateRequest(BaseModel):
    """Create a blank pipeline deal (optionally in a given stage)."""

    name: Optional[str] = None
    stage: Optional[str] = "new"


class WonLineItemIn(BaseModel):
    """Single invoice line when marking a deal Won."""

    product_service: str = Field(..., min_length=1, max_length=600)
    description: str = Field(default="", max_length=4000)
    qty: float = Field(..., gt=0, le=1_000_000)
    rate: float = Field(..., ge=0, le=1_000_000_000)
    # Per-line cadence for ARR vs one-time (dashboard uses these; legacy deals may omit).
    billing_interval: Literal["monthly", "quarterly", "annual", "one_time"] = "monthly"
    currency: Literal["CAD", "USD"] = "USD"

    @field_validator("product_service", mode="before")
    @classmethod
    def strip_product(cls, v):
        if not isinstance(v, str) or not v.strip():
            raise ValueError("Each line must have a product or service name.")
        return v.strip()

    @field_validator("description", mode="before")
    @classmethod
    def strip_desc(cls, v):
        if v is None:
            return ""
        return v.strip() if isinstance(v, str) else v

    @field_validator("billing_interval", mode="before")
    @classmethod
    def norm_interval(cls, v):
        if v is None:
            return "monthly"
        s = v.strip().lower() if isinstance(v, str) else "monthly"
        if s in ("one_time", "onetime", "one-time", "non-recurring"):
            return "one_time"
        if s in ("month", "monthly", "every month", "m"):
            return "monthly"
        if s in ("quarter", "quarterly", "every 3 months", "q"):
            return "quarterly"
        if s in ("year", "annual", "yearly", "every year", "a"):
            return "annual"
        return "monthly"

    @field_validator("currency", mode="before")
    @classmethod
    def norm_currency(cls, v):
        if v is None:
            return "USD"
        s = v.strip().upper() if isinstance(v, str) else "USD"
        return s if s in ("CAD", "USD") else "USD"


class WonBillingPayload(BaseModel):
    """Billing / PO details required when setting a deal to Won (invoicing)."""

    po_number: str = Field(..., min_length=1, max_length=200)
    customer_legal_name: str = Field(..., min_length=1, max_length=500)
    customer_address: str = Field(..., min_length=1, max_length=4000)
    contact_person_name: str = Field(..., min_length=1, max_length=300)
    channel_partner_name: Optional[str] = Field(default=None, max_length=300)
    note_to_customer: str = Field(..., min_length=1, max_length=8000)
    note_to_accounts: str = Field(..., min_length=1, max_length=8000)
    line_items: List[WonLineItemIn] = Field(..., min_length=1, max_length=100)

    @field_validator(
        "po_number",
        "customer_legal_name",
        "customer_address",
        "contact_person_name",
        "note_to_customer",
        "note_to_accounts",
        mode="before",
    )
    @classmethod
    def strip_required(cls, v):
        if v is None:
            return v
        if isinstance(v, str) and not v.strip():
            raise ValueError("must not be empty")
        return v.strip() if isinstance(v, str) else v

    @field_validator("channel_partner_name", mode="before")
    @classmethod
    def strip_optional(cls, v):
        if v is None:
            return None
        if isinstance(v, str):
            s = v.strip()
            return s or None
        return v


class CrmDealPatchRequest(BaseModel):
    name: Optional[str] = None
    stage: Optional[str] = None
    owner_initials: Optional[str] = None
    # Admin: set to a workspace member's user id, or null for unassigned. Member: may set to own id only to claim an unassigned deal.
    owner_user_id: Optional[int] = None
    deal_value: Optional[int] = None
    revenue_type: Optional[str] = None  # arr|qrr|mrr|one_time
    close_probability: Optional[int] = None
    expected_close_date: Optional[str] = None  # ISO date or datetime
    country: Optional[str] = None
    contact_display: Optional[str] = None
    account_name: Optional[str] = None
    last_interaction_at: Optional[str] = None  # ISO date or datetime
    contact_id: Optional[int] = None  # set CRM contact on deal; JSON null clears link
    # When deal has contact_id, merged into that contact's raw_data (Apollo keys)
    company_name_for_emails: Optional[str] = None
    industry: Optional[str] = None
    employees: Optional[str] = None
    annual_revenue: Optional[str] = None
    last_raised_at: Optional[str] = None
    website: Optional[str] = None
    city: Optional[str] = None
    state: Optional[str] = None
    country_region: Optional[str] = None
    category: Optional[str] = None
    type: Optional[str] = None
    company_phone: Optional[str] = None
    # Required (with conditionals) when setting stage to lost
    lost_reason: Optional[str] = None  # price|no_decision|chose_another|didnt_meet_expectation|unknown
    lost_price_discount_pct: Optional[float] = None  # 0–100 when lost_reason is price
    lost_chose_product_name: Optional[str] = None  # when lost_reason is chose_another
    # Required when setting stage to won (invoicing / PO)
    won_billing: Optional[WonBillingPayload] = None


class SmartleadRunResponse(BaseModel):
    run_id: str
    campaign_id: Optional[str] = None
    campaign_name: Optional[str] = None
    steps_count: int
    total: int
    added: int
    skipped: int
    failed: int
    errors: List[Dict] = []
    status: str


class UnipileConnectRequest(BaseModel):
    label: str = "LinkedIn Account"
    auth_mode: Literal["credentials", "cookie"] = "cookie"
    username: Optional[str] = None
    password: Optional[str] = None
    access_token: Optional[str] = None
    user_agent: Optional[str] = None
    country: Optional[str] = None
    ip: Optional[str] = None


class UnipileHostedLinkRequest(BaseModel):
    label: str = "LinkedIn Account"
    """Shown in UniPile and this app as the connection label."""
    linkedin_profile_display_name: Optional[str] = None
    """User-facing name for campaigns (saved on your profile when starting hosted auth)."""


class UnipileMailboxHostedLinkRequest(BaseModel):
    label: str = "Mailbox"
    mailbox_profile_display_name: Optional[str] = None


class UserLinkedinPrefsPatch(BaseModel):
    linkedin_profile_display_name: Optional[str] = Field(None, max_length=200)
    default_unipile_account_ref_id: Optional[int] = Field(None, ge=0)
    """Use 0 to clear the default account selection."""


class UserMailboxPrefsPatch(BaseModel):
    mailbox_profile_display_name: Optional[str] = Field(None, max_length=200)
    default_mailbox_unipile_account_ref_id: Optional[int] = Field(None, ge=0)
    """Use 0 to clear the default mailbox account selection."""


class LinkedinCampaignCreateRequest(BaseModel):
    name: str
    unipile_account_ref_id: int


class LinkedinCampaignGenerateRequest(BaseModel):
    prompt_template: str = Field(..., min_length=20)


class LinkedinCampaignExecuteRequest(BaseModel):
    dry_run: bool = False


class LinkedinCampaignPatchRequest(BaseModel):
    """Update LinkedIn campaign automation settings."""

    followup_interval_hours: Optional[int] = Field(None, ge=1, le=720)


class CtaFormFieldDef(BaseModel):
    key: str = Field(..., min_length=1, max_length=64)
    label: str = Field(..., min_length=1, max_length=120)
    type: str = Field(default="text", pattern="^(text|email|tel|textarea)$")
    required: bool = False
    map_to: str = Field(
        default="custom",
        pattern="^(name|email|company_name|title|phone|message|custom)$",
    )


class CtaFormCreateRequest(BaseModel):
    name: str = Field(..., min_length=1, max_length=200)
    fields: List[CtaFormFieldDef] = Field(default_factory=list)


class CtaFormPatchRequest(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=200)
    fields: Optional[List[CtaFormFieldDef]] = None
    is_active: Optional[bool] = None


class CtaFormSubmitRequest(BaseModel):
    fields: Dict[str, str] = Field(default_factory=dict)
    page_url: Optional[str] = Field(None, max_length=2000)


class LandingPageBenefit(BaseModel):
    title: str = Field(default="", max_length=120)
    body: str = Field(default="", max_length=800)


class LandingPageContent(BaseModel):
    headline: str = Field(default="", max_length=300)
    subheadline: str = Field(default="", max_length=600)
    benefits: List[LandingPageBenefit] = Field(default_factory=list)
    form_heading: str = Field(default="Book a demo", max_length=120)
    form_subtext: str = Field(default="", max_length=600)
    footer_text: str = Field(default="", max_length=200)


class LandingPageCreateRequest(BaseModel):
    name: str = Field(..., min_length=1, max_length=200)
    prompt: Optional[str] = Field(None, max_length=4000)


class LandingPagePatchRequest(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=200)
    prompt: Optional[str] = Field(None, max_length=4000)
    content: Optional[LandingPageContent] = None
    cta_form_id: Optional[int] = None
    is_active: Optional[bool] = None


class LandingPageGenerateRequest(BaseModel):
    prompt: str = Field(..., min_length=8, max_length=4000)


class ChatAgentConfigPatch(BaseModel):
    is_enabled: Optional[bool] = None
    greeting_message: Optional[str] = Field(None, max_length=1000)
    chat_model_provider: Optional[Literal["openai", "gemini"]] = None
    website_base_url: Optional[str] = Field(None, max_length=2000)
    drive_folder_url: Optional[str] = Field(None, max_length=2000)
    reindex_interval_hours: Optional[int] = Field(None, ge=1, le=168)
    enable_web_search: Optional[bool] = None


class ChatAgentSkillReferenceItem(BaseModel):
    title: str = Field("", max_length=300)
    content: str = Field("", max_length=20000)


class ChatAgentSkillAssetItem(BaseModel):
    name: str = Field("", max_length=300)
    content: str = Field("", max_length=20000)


class ChatAgentSkillTemplateItem(BaseModel):
    name: str = Field("", max_length=300)
    content: str = Field("", max_length=20000)


class ChatAgentSkillScriptItem(BaseModel):
    # The live public chat agent never executes this content. An admin can run it explicitly via
    # the sandboxed /scripts/{index}/run route (subprocess-isolated, secrets stripped, timed out).
    # See SKILLS-SECURITY.md.
    name: str = Field("", max_length=300)
    description: str = Field("", max_length=2000)
    language: str = Field("", max_length=40)
    content: str = Field("", max_length=20000)
    last_run_status: Optional[str] = None
    last_run_output: Optional[str] = None
    last_run_at: Optional[str] = None


class ChatAgentSkillEvalItem(BaseModel):
    prompt: str = Field("", max_length=2000)
    assertion_type: Literal["must_contain", "must_not_contain", "llm_judge"] = "must_contain"
    assertion_value: str = Field("", max_length=2000)
    last_run_status: Optional[str] = None
    last_run_detail: Optional[str] = None
    last_run_at: Optional[str] = None


class ChatAgentSkillCreateRequest(BaseModel):
    name: str = Field(..., min_length=1, max_length=200)
    description: str = Field("", max_length=1000)
    instructions: str = Field(..., min_length=1, max_length=14000)
    references: List[ChatAgentSkillReferenceItem] = Field(default_factory=list, max_length=20)
    assets: List[ChatAgentSkillAssetItem] = Field(default_factory=list, max_length=20)
    templates: List[ChatAgentSkillTemplateItem] = Field(default_factory=list, max_length=20)
    scripts: List[ChatAgentSkillScriptItem] = Field(default_factory=list, max_length=20)
    evals: List[ChatAgentSkillEvalItem] = Field(default_factory=list, max_length=10)


class ChatAgentSkillPatchRequest(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=200)
    description: Optional[str] = Field(None, max_length=1000)
    instructions: Optional[str] = Field(None, min_length=1, max_length=14000)
    references: Optional[List[ChatAgentSkillReferenceItem]] = Field(None, max_length=20)
    assets: Optional[List[ChatAgentSkillAssetItem]] = Field(None, max_length=20)
    templates: Optional[List[ChatAgentSkillTemplateItem]] = Field(None, max_length=20)
    scripts: Optional[List[ChatAgentSkillScriptItem]] = Field(None, max_length=20)
    evals: Optional[List[ChatAgentSkillEvalItem]] = Field(None, max_length=10)
    is_active: Optional[bool] = None
    sort_order: Optional[int] = None


class ChatAgentSkillImportRequest(BaseModel):
    content: str = Field(..., min_length=1, max_length=100000)


class ChatAgentReindexRequest(BaseModel):
    source: Literal["drive", "website", "website_fast", "all"] = "all"


class ChatAgentSessionRequest(BaseModel):
    page_url: Optional[str] = Field(None, max_length=2000)


class ChatAgentMessageRequest(BaseModel):
    session_id: str = Field(..., min_length=1, max_length=64)
    message: str = Field(..., min_length=1, max_length=4000)