<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

declare(strict_types=1);

namespace Piwik\Plugins\BotTracking\tests\Fixtures;

use MatomoTracker;
use Piwik\Date;
use Piwik\Tests\Framework\Fixture;

class BotTraffic extends Fixture
{
    public $dateTime = '2025-02-02 03:00:00';
    public $idSite = 1;

    public function setUp(): void
    {
        parent::setUp();

        self::createSuperUser();
        $this->setUpWebsite();
        $this->trackBotRequests();
        $this->trackRealTimeBotRequests();
        $this->trackAcquiredVisits();
        $this->trackHumanPageOverlaps();
        $this->trackEventOnlyPage();
        $this->trackHumanPageviewInBotFreePeriod();
    }

    public function tearDown(): void
    {
        // nothing to clean up
    }

    private function setUpWebsite(): void
    {
        if (!self::siteCreated($this->idSite)) {
            self::createWebsite($this->dateTime, 1, 'https://example.com');
        }
    }

    private function trackBotRequests(): void
    {
        $pages = [
            'https://example.com/article/1/page/1',
            'https://example.com/article/1/page/2',
            'https://example.com/article/2',
            'https://example.com/article/3',
            'https://example.com/article/4/page/1',
            'https://example.com/article/4/page/2',
            'https://example.com/overview',
        ];

        $downloads = [
            'https://example.com/resources/doc.pdf',
            'https://example.com/resources/guide.pdf',
            'https://example.com/resources/whitepaper.pdf',
            'https://example.com/resources/datasheet.pdf',
            'https://example.com/resources/case-study.pdf',
        ];

        // Each tuple: [userAgent, url, httpStatus, bytes|null, isDownload, serverTimeMs|null]
        //
        // - serverTimeMs: integer milliseconds passed as `pf_srv` to the tracker, or null to omit
        //   the parameter entirely (leaving response_time_ms as SQL NULL in log_bot_request).
        //   At least a handful of requests intentionally omit server time so that
        //   nb_server_time < requests for some URLs, exercising the avg computation guard.
        //
        // - bytes: integer bytes passed as `bw_bytes`, or null to omit the parameter entirely
        //   (leaving response_size_bytes as SQL NULL). A couple of tuples use null bytes to produce
        //   at least one URL where nb_response_size < requests.
        $dailyPlans = [
            0 => [
                ['ChatGPT-User/1.0', $pages[0], 200, 12005, false, 250],
                ['Gemini-Deep-Research/1.0', $pages[1], 200, 29658, false, 1500],
                ['Perplexity-User/1.0', $downloads[0], 503, 1365955, true, 3200],
                ['Google-NotebookLM/1.0', $downloads[1], 404, 36522, true, null],
                ['ChatGPT-User/1.0', $pages[0], 200, 12584, false, 180],
                ['Gemini-Deep-Research/1.0', $pages[1], 200, 36598, false, 950],
                ['Perplexity-User/1.0', $downloads[0], 200, 99562, true, null],
                ['Google-NotebookLM/1.0', $pages[2], 200, 25489, false, 2100],
            ],
            1 => [
                // Extra broken entries placed early so their hour offset stays within Feb 3
                // (each tuple index N maps to addHour((N+1)*2); N≥9 would spill into Feb 4).
                // doc.pdf 404 and guide.pdf 503 ensure ranking_limit tests (limit=2) produce
                // an "Others" row for the Broken report on this day.
                ['MistralAI-User/2.0', $downloads[0], 404, null, true, null],
                ['Perplexity-User/1.0', $downloads[1], 503, null, true, 150],
                ['MistralAI-User/2.0', $pages[2], 200, 32485, false, 1800],
                ['Claude-User/3.0', $downloads[2], 200, 123456, true, 4500],
                ['ChatGPT-User/1.0', $pages[1], 500, null, false, 320],
                // Same URL as the 500 above but a 200 — proves total_broken_requests = 1 (not COUNT=2) after F18 fix
                ['Gemini-Deep-Research/1.0', $pages[1], 200, 29658, false, 1200],
                ['ChatGPT-User/1.0', $downloads[1], 200, 33658, true, 750],
                ['Perplexity-User/1.0', $pages[2], 200, 36985, false, 2800],
                ['Perplexity-User/1.0', $pages[2], 200, 36985, false, 3100],
                ['MistralAI-User/2.0', $pages[3], 200, 85236, false, null],
                ['Claude-User/3.0', $downloads[3], 200, 12456, true, 600],
                ['Claude-User/3.0', $downloads[4], 200, 35562, true, 1200],
            ],
            2 => [
                ['Perplexity-User/1.0', $downloads[3], 200, 84269, true, 900],
                ['Gemini-Deep-Research/1.0', $pages[3], 200, 3265, false, 400],
                ['Google-NotebookLM/1.0', $pages[6], 200, 33366, false, 1100],
                ['ChatGPT-User/1.0', $pages[3], 200, 5454, false, null],
                ['Perplexity-User/1.0', $downloads[2], 200, 69856, true, 2200],
                ['Gemini-Deep-Research/1.0', $pages[4], 200, 63256, false, 3800],
                ['Google-NotebookLM/1.0', $pages[6], 200, 25486, false, 850],
            ],
            3 => [
                ['MistralAI-User/2.0', $pages[4], 200, 12568, false, 1400],
                ['Google-NotebookLM/1.0', $downloads[4], 404, 25648, true, null],
                ['ChatGPT-User/1.0', $pages[4], 200, 12548, false, 670],
                ['Claude-User/3.0', $pages[5], 503, null, false, 200],
                ['Perplexity-User/1.0', $downloads[0], 200, 225445, true, 5000],
                ['MistralAI-User/2.0', $pages[2], 200, 12456, false, 1650],
                ['Google-NotebookLM/1.0', $downloads[1], 200, 258741, true, 2900],
            ],
            4 => [
                ['Perplexity-User/1.0', $downloads[1], 200, 36985, true, 480],
                ['Gemini-Deep-Research/1.0', $pages[5], 200, 95147, false, 3300],
                ['ChatGPT-User/1.0', $pages[0], 200, 25412, false, 210],
                ['Claude-User/3.0', $pages[3], 200, 36985, false, null],
                ['Perplexity-User/1.0', $downloads[4], 200, 145811, true, 1700],
            ],
        ];

        foreach ($dailyPlans as $dayOffset => $requests) {
            foreach ($requests as $index => $request) {
                [$userAgent, $url, $status, $bytes, $isDownload, $serverTimeMs] = $request;
                $date = Date::factory($this->dateTime)
                    ->addDay($dayOffset)
                    ->addHour(($index + 1) * 2)
                    ->getDatetime();

                if ($isDownload) {
                    $this->logBotDownload($userAgent, $url, $status, $bytes, $date, $serverTimeMs);
                } else {
                    $this->logBot($userAgent, $url, $status, $bytes, $date, $serverTimeMs);
                }
            }
        }
    }

    private function trackRealTimeBotRequests(): void
    {
        $now = Date::factory('now');

        // Each tuple: [minutes before now, userAgent, url, httpStatus, bytes|null, isDownload, serverTimeMs|null].
        $requests = [
            [10, 'ChatGPT-User/1.0', 'https://example.com/realtime/a', 200, 10000, false, 150],
            [20, 'ChatGPT-User/1.0', 'https://example.com/realtime/b', 404, 12000, false, 250],
            [25, 'Claude-User/3.0', 'https://example.com/realtime/doc.pdf', 503, null, true, 300],
            [40, 'MistralAI-User/2.0', 'https://example.com/realtime/missing.pdf', 404, null, true, null],
            [60, 'Perplexity-User/1.0', 'https://example.com/realtime/a', 200, 11000, false, 180],
            [90, 'Claude-User/3.0', 'https://example.com/realtime/c', 200, 13000, false, 210],
            [300, 'Gemini-Deep-Research/1.0', 'https://example.com/realtime/a', 500, 14000, false, 450],
            [780, 'ChatGPT-User/1.0', 'https://example.com/realtime/out-of-window', 200, 15000, false, 120],
        ];

        foreach ($requests as $request) {
            [$minutesAgo, $userAgent, $url, $status, $bytes, $isDownload, $serverTimeMs] = $request;
            $date = $now->subPeriod($minutesAgo, 'minute')->getDatetime();

            if ($isDownload) {
                $this->logBotDownload($userAgent, $url, $status, $bytes, $date, $serverTimeMs);
            } else {
                $this->logBot($userAgent, $url, $status, $bytes, $date, $serverTimeMs);
            }
        }
    }

    private function trackAcquiredVisits(): void
    {
        $sources = [
            'https://chatgpt.com/thread/12345',
            'https://perplexity.ai/share/6789',
            'https://copilot.microsoft.com/answer/abc',
            'https://claude.ai/share/987',
            'https://gemini.google.com/share/notes',
            'https://chat.qwen.ai/share/insight',
            'https://chatgpt.com/thread/8888',
            'https://perplexity.ai/share/2222',
            'https://copilot.microsoft.com/answer/xyz',
            'https://claude.ai/share/1111',
        ];

        // Each in-week AI-landing page gets a DISTINCT number of acquired visits on a single day, so
        // every Favoured Pages row has a unique Discrepancy Score (no ties). Core truncates these
        // records by score and its sort leaves tied scores in a PHP/DB-dependent order, so distinct
        // scores keep the ranking-limit tests deterministic; keeping each page on one day also makes
        // its weekly count unambiguous when day blobs are summed. There is also a visit on every bot
        // day (Feb 2-6) so each day is archived and its bot requests count in the week/month totals.
        $plans = [
            [0, 'https://example.com/article-1', 1], // 2025-02-02 (prior week; keeps Feb 2 archived)
            [1, 'https://example.com/article-1', 1], // 2025-02-03
            [2, 'https://example.com/article-2', 2], // 2025-02-04
            [3, 'https://example.com/article-3', 3], // 2025-02-05
            [4, 'https://example.com/article-4', 4], // 2025-02-06
        ];

        $referrerIndex = 0;
        foreach ($plans as [$dayOffset, $url, $visits]) {
            for ($i = 0; $i < $visits; $i++) {
                $date = Date::factory($this->dateTime)
                    ->addDay($dayOffset)
                    ->addHour($referrerIndex + 1)
                    ->getDatetime();
                $tracker = self::getTracker($this->idSite, $date, true);
                $tracker->setUrl($url);
                $tracker->setUrlReferrer($sources[$referrerIndex % count($sources)]);
                self::checkResponse($tracker->doTrackPageView('Article From AI Chatbot ' . ($referrerIndex + 1)));
                $referrerIndex++;
            }
        }
    }

    /**
     * Tracks human pageviews to URLs the bots also request, so the Favoured Pages records have rows
     * where BOTH metrics are non-zero. example.com/article/2 spans Feb 3-5 on the human side and is
     * also bot-requested on several of those days, giving Row Evolution a real multi-day series for
     * both sides. The "www." URL collides, after Matomo's action-name normalization, with the bot
     * label example.com/article/3 — confirming both sides key on the same log_action.name.
     */
    private function trackHumanPageOverlaps(): void
    {
        // [url, dayOffset, number of human visits] — these URLs are also requested by bots in
        // trackBotRequests(). Day offset 1 = 2025-02-03 (the date the system tests query for `day`);
        // offsets 1-3 all fall inside the queried `week`.
        $overlaps = [
            ['https://example.com/article/2', 1, 2],
            ['https://example.com/article/2', 2, 2],
            ['https://example.com/article/2', 3, 1],
            ['https://www.example.com/article/3', 1, 1],
        ];

        foreach ($overlaps as [$url, $dayOffset, $visits]) {
            for ($i = 0; $i < $visits; $i++) {
                $date = Date::factory($this->dateTime)
                    ->addDay($dayOffset)
                    ->addHour($i + 1)
                    ->getDatetime();
                $tracker = self::getTracker($this->idSite, $date, true);
                $tracker->setUrl($url);
                self::checkResponse($tracker->doTrackPageView('Human Overlap Page ' . ($i + 1)));
            }
        }
    }

    /**
     * Tracks a human event on a page that gets NO pageview (and no bot request). The Favoured Pages
     * reports must not count this URL as a human pageview — events are excluded, mirroring the Actions
     * Pages report (see AIChatbotFavouredPages::queryHumanPageviews / Actions' not-an-event clause).
     */
    private function trackEventOnlyPage(): void
    {
        $date = Date::factory($this->dateTime)
            ->addDay(1) // 2025-02-03, the date the system tests query
            ->addHour(5)
            ->getDatetime();
        $tracker = self::getTracker($this->idSite, $date, true);
        $tracker->setUrl('https://example.com/event-only');
        self::checkResponse($tracker->doTrackEvent('Media', 'Play'));
    }

    /**
     * A human pageview on 2025-02-20 — well after the bot requests (Feb 2-6), so that period has no
     * AI chatbot activity. Used to assert the Favoured Pages records stay empty there (the human
     * pageviews scan is skipped when there are no bot requests).
     */
    private function trackHumanPageviewInBotFreePeriod(): void
    {
        $date = Date::factory($this->dateTime)->addDay(18)->getDatetime();
        $tracker = self::getTracker($this->idSite, $date, true);
        $tracker->setUrl('https://example.com/bot-free-page');
        self::checkResponse($tracker->doTrackPageView('Bot Free Page'));
    }

    private function logBot(string $userAgent, string $url, int $statusCode, ?int $bytes, string $dateTime, ?int $serverTimeMs): void
    {
        $tracker = self::getTracker($this->idSite, $dateTime, true);
        $tracker->setUrl($url);
        $this->applyCommonTrackingParameters($tracker, $userAgent, $statusCode, $bytes, $serverTimeMs);
        self::checkResponse($tracker->doTrackPageView(''));
    }

    private function logBotDownload(string $userAgent, string $url, int $statusCode, ?int $bytes, string $dateTime, ?int $serverTimeMs): void
    {
        $tracker = self::getTracker($this->idSite, $dateTime, true);
        $this->applyCommonTrackingParameters($tracker, $userAgent, $statusCode, $bytes, $serverTimeMs);
        self::checkResponse($tracker->doTrackAction($url, 'download'));
    }

    /**
     * Applies the tracking parameters shared between page and download bot requests:
     * user-agent, recMode flag, http_status, and the optional bw_bytes / pf_srv parameters.
     *
     * When $bytes or $serverTimeMs is null the corresponding parameter is intentionally omitted
     * so that response_size_bytes / response_time_ms stores SQL NULL in log_bot_request —
     * this exercises nb_response_size < requests and nb_server_time < requests in the averages guard.
     */
    private function applyCommonTrackingParameters(MatomoTracker $tracker, string $userAgent, int $statusCode, ?int $bytes, ?int $serverTimeMs): void
    {
        $tracker->setUserAgent($userAgent);
        $tracker->setCustomTrackingParameter('recMode', '1');
        $tracker->setCustomTrackingParameter('http_status', (string) $statusCode);
        if ($bytes !== null) {
            $tracker->setCustomTrackingParameter('bw_bytes', (string) $bytes);
        }
        if ($serverTimeMs !== null) {
            $tracker->setCustomTrackingParameter('pf_srv', (string) $serverTimeMs);
        }
    }
}