<?php

namespace Tests\Feature;

use App\Http\Middleware\EnsurePlatformSession;
use App\Jobs\GenerateAiSummary;
use App\Models\Member;
use App\Models\Message;
use App\Models\Organization;
use App\Models\Participant;
use App\Models\Recording;
use App\Models\Room;
use App\Models\Session;
use App\Models\User;
use App\Services\Meet\TranscriptService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Queue;
use Tests\TestCase;

class MeetTranscriptServiceTest extends TestCase
{
    use RefreshDatabase;

    protected User $user;

    protected Organization $organization;

    protected function setUp(): void
    {
        parent::setUp();
        $this->withoutMiddleware(EnsurePlatformSession::class);

        $this->user = User::create([
            'public_id' => 'test-user-transcript',
            'name' => 'Test User',
            'email' => 'transcript@example.com',
        ]);

        $this->organization = Organization::create([
            'owner_ref' => $this->user->public_id,
            'name' => 'Test Org',
            'slug' => 'test-org-transcript',
            'timezone' => 'UTC',
            'settings' => ['onboarded' => true],
        ]);

        Member::create([
            'owner_ref' => $this->user->public_id,
            'organization_id' => $this->organization->id,
            'user_ref' => $this->user->public_id,
            'role' => 'owner',
        ]);
    }

    public function test_finalize_and_summarize_merges_chat_and_captions_before_dispatching_summary(): void
    {
        Queue::fake();

        [$session] = $this->liveSession();

        Message::create([
            'owner_ref' => $this->user->public_id,
            'session_id' => $session->id,
            'sender_ref' => $this->user->public_id,
            'sender_name' => 'Host',
            'body' => 'Let us review the launch timeline.',
            'type' => 'public',
        ]);

        $service = app(TranscriptService::class);
        $transcript = $service->getOrCreateForSession($session);
        $service->appendSegment($transcript, 'Host', 'We should ship the dashboard next week.');

        $recording = Recording::create([
            'owner_ref' => $this->user->public_id,
            'session_id' => $session->id,
            'status' => 'ready',
            'layout' => 'gallery',
            'started_by_ref' => $this->user->public_id,
            'started_at' => now()->subMinutes(30),
            'ended_at' => now(),
        ]);

        $service->finalizeAndSummarize($session, $recording);

        $transcript->refresh();

        $this->assertSame($recording->id, $transcript->recording_id);
        $this->assertStringContainsString('Let us review the launch timeline.', $transcript->content);
        $this->assertStringContainsString('We should ship the dashboard next week.', $transcript->content);

        Queue::assertPushed(GenerateAiSummary::class, function (GenerateAiSummary $job) use ($transcript) {
            return $job->transcriptId === $transcript->id;
        });
    }

    public function test_caption_append_does_not_queue_summary_job(): void
    {
        Queue::fake();

        [$session] = $this->liveSession();
        $service = app(TranscriptService::class);
        $transcript = $service->getOrCreateForSession($session);
        $service->appendSegment($transcript, 'Host', 'Opening remarks.');

        Queue::assertNothingPushed();
    }

    public function test_ending_session_queues_ai_summary_without_recording(): void
    {
        Queue::fake();

        $room = Room::create([
            'organization_id' => $this->organization->id,
            'owner_ref' => $this->user->public_id,
            'host_user_ref' => $this->user->public_id,
            'title' => 'No recording meeting',
            'type' => 'instant',
            'status' => 'live',
            'timezone' => 'UTC',
            'settings' => [
                'auto_ai_summary' => true,
                'live_captions' => true,
            ],
        ]);

        $session = Session::create([
            'room_id' => $room->id,
            'owner_ref' => $this->user->public_id,
            'media_room_name' => 'room-'.$room->uuid,
            'status' => 'live',
            'started_at' => now()->subMinutes(15),
        ]);

        Participant::create([
            'owner_ref' => $this->user->public_id,
            'session_id' => $session->id,
            'user_ref' => $this->user->public_id,
            'role' => 'host',
            'display_name' => 'Host',
            'status' => 'joined',
            'joined_at' => now()->subMinutes(15),
        ]);

        Message::create([
            'owner_ref' => $this->user->public_id,
            'session_id' => $session->id,
            'sender_ref' => $this->user->public_id,
            'sender_name' => 'Host',
            'body' => 'We agreed to ship Friday.',
            'type' => 'public',
        ]);

        app(\App\Services\Meet\SessionService::class)->end($session, $this->user->public_id);

        $session->refresh();
        $this->assertSame('ended', $session->status);
        $this->assertNotNull($session->ended_at);

        $transcript = $session->transcripts()->latest()->first();
        $this->assertNotNull($transcript);
        $this->assertStringContainsString('We agreed to ship Friday.', (string) $transcript->content);

        Queue::assertPushed(GenerateAiSummary::class, function (GenerateAiSummary $job) use ($transcript) {
            return $job->transcriptId === $transcript->id;
        });
    }

    public function test_ending_session_skips_summary_when_auto_ai_disabled(): void
    {
        Queue::fake();
        config(['meet.ai.auto_summarize' => false]);

        $room = Room::create([
            'organization_id' => $this->organization->id,
            'owner_ref' => $this->user->public_id,
            'host_user_ref' => $this->user->public_id,
            'title' => 'No AI meeting',
            'type' => 'instant',
            'status' => 'live',
            'timezone' => 'UTC',
            // Explicit false in settings (setting() reads room.settings first)
            'settings' => ['auto_ai_summary' => false],
        ]);

        $session = Session::create([
            'room_id' => $room->id,
            'owner_ref' => $this->user->public_id,
            'media_room_name' => 'room-'.$room->uuid,
            'status' => 'live',
            'started_at' => now()->subMinutes(5),
        ]);

        // Room::setting falls back to default_settings when key missing; with explicit false
        // AND config false, shouldAutoSummarize must be false.
        // Note: shouldAutoSummarize is (room setting || config) — explicit false || false = false.
        $this->assertFalse(app(TranscriptService::class)->shouldAutoSummarize($session));

        app(\App\Services\Meet\SessionService::class)->end($session, $this->user->public_id);

        Queue::assertNotPushed(GenerateAiSummary::class);
        $this->assertSame(0, $session->fresh()->transcripts()->count());
    }

    public function test_caption_segments_collapse_progressive_duplicates(): void
    {
        Queue::fake();

        [$session] = $this->liveSession();
        $service = app(TranscriptService::class);
        $transcript = $service->getOrCreateForSession($session);

        $service->appendSegment($transcript, 'Trypose', 'Yeah');
        $service->appendSegment($transcript, 'Trypose', 'Yeah I want to ask');
        $service->appendSegment($transcript, 'Trypose', 'Yeah I want to ask question please');
        $service->appendSegment($transcript, 'Trypose', 'Okay');
        $service->appendSegment($transcript, 'Trypose', 'Okay');

        $transcript->refresh();

        $this->assertSame([
            'Trypose: Yeah I want to ask question please',
            'Trypose: Okay',
        ], explode("\n", $transcript->content));
    }

    /** @return array{0: Session, 1: Participant} */
    protected function liveSession(): array
    {
        $room = Room::create([
            'organization_id' => $this->organization->id,
            'owner_ref' => $this->user->public_id,
            'host_user_ref' => $this->user->public_id,
            'title' => 'Transcript meeting',
            'type' => 'instant',
            'status' => 'live',
            'timezone' => 'UTC',
            'settings' => ['live_captions' => true],
        ]);

        $session = Session::create([
            'room_id' => $room->id,
            'owner_ref' => $this->user->public_id,
            'media_room_name' => 'room-'.$room->uuid,
            'status' => 'ended',
            'started_at' => now()->subMinutes(30),
            'ended_at' => now(),
        ]);

        $participant = Participant::create([
            'owner_ref' => $this->user->public_id,
            'session_id' => $session->id,
            'user_ref' => $this->user->public_id,
            'role' => 'host',
            'display_name' => 'Host',
            'status' => 'joined',
            'joined_at' => now()->subMinutes(30),
        ]);

        return [$session, $participant];
    }
}