<?php

namespace Tests\Feature;

use App\Events\RecordingTranscriptionUpdated;
use App\Jobs\TranscribeRecording;
use App\Models\Recording;
use App\Models\User;
use App\Services\TranscriptionService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Facades\Storage;
use Laravel\Ai\Transcription;
use Tests\TestCase;

class TranscriptionBroadcastTest extends TestCase
{
    use RefreshDatabase;

    protected User $user;

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

        $this->user = User::factory()->create();
        $this->actingAs($this->user);
    }

    public function test_report_progress_broadcasts_transcription_updated(): void
    {
        Event::fake([RecordingTranscriptionUpdated::class]);

        $recording = Recording::query()->create([
            'user_id' => $this->user->id,
            'title' => 'Broadcast progress',
            'original_filename' => 'progress.mp3',
            'file_path' => 'recordings/progress.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_driver' => 'local',
            'transcription_started_at' => now(),
        ]);

        $recording->reportProgress('Transcribing locally…', 50);

        Event::assertDispatched(RecordingTranscriptionUpdated::class, function (RecordingTranscriptionUpdated $event) use ($recording): bool {
            return $event->recording->is($recording)
                && $event->broadcastWith()['percent'] === 50
                && $event->broadcastWith()['progress'] === 'Transcribing locally…';
        });
    }

    public function test_successful_transcription_broadcasts_done_status(): void
    {
        Event::fake([RecordingTranscriptionUpdated::class]);
        Storage::fake('local');
        Storage::disk('local')->put('recordings/sample.mp3', 'fake-audio-bytes');

        Transcription::fake(['Hello from the recorder.']);

        $recording = Recording::query()->create([
            'user_id' => $this->user->id,
            'title' => 'Sample',
            'original_filename' => 'sample.mp3',
            'file_path' => 'recordings/sample.mp3',
            'file_size_bytes' => 12,
            'transcription_status' => 'pending',
            'transcription_driver' => 'local',
            'transcription_started_at' => now(),
        ]);

        (new TranscribeRecording($recording))->handle(app(TranscriptionService::class));

        Event::assertDispatched(RecordingTranscriptionUpdated::class, function (RecordingTranscriptionUpdated $event) use ($recording): bool {
            $payload = $event->broadcastWith();

            return $event->recording->is($recording)
                && $payload['status'] === 'done'
                && $payload['percent'] === 100
                && $payload['has_transcript'] === true
                && ($payload['word_count'] ?? 0) > 0;
        });
    }

    public function test_failed_transcription_broadcasts_failure(): void
    {
        Event::fake([RecordingTranscriptionUpdated::class]);
        Storage::fake('local');
        Storage::disk('local')->put('recordings/bad.mp3', 'fake-audio-bytes');

        Transcription::fake(function () {
            throw new \RuntimeException('Provider unavailable');
        });

        $recording = Recording::query()->create([
            'user_id' => $this->user->id,
            'title' => 'Bad',
            'original_filename' => 'bad.mp3',
            'file_path' => 'recordings/bad.mp3',
            'file_size_bytes' => 12,
            'transcription_status' => 'pending',
            'transcription_driver' => 'local',
            'transcription_started_at' => now(),
        ]);

        try {
            (new TranscribeRecording($recording))->handle(app(TranscriptionService::class));
            $this->fail('Expected transcription to throw');
        } catch (\RuntimeException $e) {
            $this->assertSame('Provider unavailable', $e->getMessage());
        }

        Event::assertDispatched(RecordingTranscriptionUpdated::class, function (RecordingTranscriptionUpdated $event) use ($recording): bool {
            $payload = $event->broadcastWith();

            return $event->recording->is($recording)
                && $payload['status'] === 'failed'
                && $payload['error'] === 'Provider unavailable';
        });
    }

    public function test_cancel_transcription_broadcasts_cancelled_status(): void
    {
        Event::fake([RecordingTranscriptionUpdated::class]);

        $recording = Recording::query()->create([
            'user_id' => $this->user->id,
            'title' => 'Cancel me',
            'original_filename' => 'cancel.mp3',
            'file_path' => 'recordings/cancel.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_driver' => 'local',
            'transcription_started_at' => now(),
        ]);

        $recording->cancelTranscription();

        Event::assertDispatched(RecordingTranscriptionUpdated::class, function (RecordingTranscriptionUpdated $event) use ($recording): bool {
            return $event->recording->is($recording)
                && $event->broadcastWith()['status'] === 'cancelled';
        });
    }

    public function test_broadcast_event_uses_private_recording_channel(): void
    {
        $recording = Recording::query()->create([
            'user_id' => $this->user->id,
            'title' => 'Channel',
            'original_filename' => 'channel.mp3',
            'file_path' => 'recordings/channel.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'pending',
        ]);

        $event = new RecordingTranscriptionUpdated($recording);

        $this->assertSame('RecordingTranscriptionUpdated', $event->broadcastAs());
        $this->assertSame('private-recording.'.$recording->id, $event->broadcastOn()[0]->name);
        $this->assertSame('private-user.'.$this->user->id.'.recordings', $event->broadcastOn()[1]->name);
    }
}