<?php

namespace Tests\Feature;

use App\Http\Requests\StoreRecordingRequest;
use App\Jobs\TranscribeRecording;
use App\Models\Recording;
use App\Services\TranscriptionService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Bus;
use Illuminate\Support\Facades\Storage;
use Laravel\Ai\Transcription;
use Tests\TestCase;

class RecordingUploadTest extends TestCase
{
    use RefreshDatabase;

    public function test_index_shows_recordings(): void
    {
        Recording::query()->create([
            'title' => 'Pocket note',
            'original_filename' => 'note.mp3',
            'file_path' => 'recordings/note.mp3',
            'file_size_bytes' => 1024,
            'transcription_status' => 'done',
            'transcript' => 'One two three four five',
        ]);

        $this->get(route('recordings.index'))
            ->assertOk()
            ->assertSee('Pocket note')
            ->assertSee('Words')
            ->assertSee('5');
    }

    public function test_user_can_upload_an_mp3(): void
    {
        Storage::fake('local');
        Bus::fake();

        $file = UploadedFile::fake()->create('meeting.mp3', 500, 'audio/mpeg');

        $response = $this->post(route('recordings.store'), [
            'audio' => [$file],
            'title' => 'Team meeting',
        ]);

        $recording = Recording::query()->first();

        $this->assertNotNull($recording);
        $response->assertRedirect(route('recordings.show', $recording));
        $this->assertSame('Team meeting', $recording->title);
        $this->assertSame('pending', $recording->transcription_status);
        $this->assertSame('local', $recording->transcription_driver);
        $this->assertNotNull($recording->transcription_started_at);
        Storage::disk('local')->assertExists($recording->file_path);
        Bus::assertDispatched(TranscribeRecording::class);
    }

    public function test_user_can_batch_upload_multiple_audio_files(): void
    {
        Storage::fake('local');
        Bus::fake();

        $response = $this->post(route('recordings.store'), [
            'audio' => [
                UploadedFile::fake()->createWithContent('one.mp3', str_repeat('a', 400)),
                UploadedFile::fake()->createWithContent('two.wav', str_repeat('b', 400)),
                UploadedFile::fake()->createWithContent('three.ogg', str_repeat('c', 400)),
            ],
        ]);

        $response->assertRedirect(route('recordings.index'));
        $response->assertSessionHas('success');
        $this->assertSame(3, Recording::query()->count());
        Bus::assertDispatched(TranscribeRecording::class, 3);

        foreach (Recording::query()->get() as $recording) {
            Storage::disk('local')->assertExists($recording->file_path);
            $this->assertSame('pending', $recording->transcription_status);
        }
    }

    public function test_upload_page_includes_dropzone(): void
    {
        $this->get(route('recordings.create'))
            ->assertOk()
            ->assertSee('Drop audio files here')
            ->assertSee('max 2 GB each', false)
            ->assertSee('name="audio[]"', false);
    }

    public function test_files_larger_than_two_gigabytes_are_rejected(): void
    {
        Storage::fake('local');
        Bus::fake();

        $file = UploadedFile::fake()
            ->create('huge.mp3', 10, 'audio/mpeg')
            ->size(StoreRecordingRequest::MAX_AUDIO_KILOBYTES + 1);

        $this->from(route('recordings.create'))
            ->post(route('recordings.store'), [
                'audio' => [$file],
            ])
            ->assertSessionHasErrors(['audio.0']);

        $this->assertSame(0, Recording::query()->count());
        Bus::assertNothingDispatched();
    }

    public function test_user_can_upload_wav_and_ogg(): void
    {
        Storage::fake('local');
        Bus::fake();

        foreach ([
            ['memo.wav', 'audio/wav', 'wav-bytes'],
            ['clip.ogg', 'audio/ogg', 'ogg-bytes'],
            ['talk.m4a', 'audio/mp4', 'm4a-bytes'],
        ] as [$name, $mime, $contents]) {
            $response = $this->post(route('recordings.store'), [
                'audio' => [UploadedFile::fake()->createWithContent($name, $contents)],
                'title' => $name,
            ]);

            $recording = Recording::query()->where('title', $name)->first();

            $this->assertNotNull($recording, "Failed uploading {$name}");
            $response->assertRedirect(route('recordings.show', $recording));
            Storage::disk('local')->assertExists($recording->file_path);
        }

        Bus::assertDispatched(TranscribeRecording::class, 3);
    }

    public function test_unsupported_audio_type_is_rejected(): void
    {
        Storage::fake('local');

        $this->from(route('recordings.create'))
            ->post(route('recordings.store'), [
                'audio' => [UploadedFile::fake()->create('notes.txt', 10, 'text/plain')],
            ])
            ->assertSessionHasErrors(['audio.0']);
    }

    public function test_user_can_queue_local_transcription(): void
    {
        $recording = Recording::query()->create([
            'title' => 'Dictation',
            'original_filename' => 'dictation.mp3',
            'file_path' => 'recordings/dictation.mp3',
            'file_size_bytes' => 2048,
            'transcription_status' => 'pending',
        ]);

        // Fake AI so the afterResponse job (sync) does not call a real provider.
        Transcription::fake(['Queued transcription text.']);

        $this->post(route('recordings.transcribe', $recording))
            ->assertRedirect();

        $recording->refresh();
        $this->assertSame('local', $recording->transcription_driver);
        $this->assertContains($recording->transcription_status, ['pending', 'processing', 'done']);
        $this->assertNotNull($recording->transcription_started_at);
        $this->assertNotNull($recording->transcription_progress);
    }

    public function test_transcription_status_endpoint_returns_progress(): void
    {
        $recording = Recording::query()->create([
            'title' => 'Live status',
            'original_filename' => 'live.mp3',
            'file_path' => 'recordings/live.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_progress' => 'Transcribing locally…',
            'transcription_percent' => 55,
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subSeconds(12),
        ]);

        $this->getJson(route('recordings.transcription-status', $recording))
            ->assertOk()
            ->assertJsonPath('status', 'processing')
            ->assertJsonPath('progress', 'Transcribing locally…')
            ->assertJsonPath('percent', 55)
            ->assertJsonPath('is_active', true)
            ->assertJsonPath('driver_label', 'Local (faster-whisper)');
    }

    public function test_transcription_job_stores_transcript(): void
    {
        Storage::fake('local');
        Storage::disk('local')->put('recordings/sample.mp3', 'fake-audio-bytes');

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

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

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

        $recording->refresh();
        $this->assertSame('done', $recording->transcription_status);
        $this->assertSame('Hello from the recorder.', $recording->transcript);
        $this->assertSame(100, $recording->transcription_percent);
        $this->assertSame('Transcription complete', $recording->transcription_progress);
        $this->assertNotNull($recording->transcribed_at);
    }

    public function test_transcription_job_stores_error_on_failure(): void
    {
        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([
            'title' => 'Bad',
            'original_filename' => 'bad.mp3',
            'file_path' => 'recordings/bad.mp3',
            'file_size_bytes' => 12,
            'transcription_status' => 'pending',
            'transcription_driver' => 'local',
        ]);

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

        $recording->refresh();
        $this->assertSame('failed', $recording->transcription_status);
        $this->assertSame('Provider unavailable', $recording->transcription_error);
    }

    public function test_orphaned_processing_is_recovered_on_status_poll(): void
    {
        $recording = Recording::query()->create([
            'title' => 'Stuck',
            'original_filename' => 'stuck.mp3',
            'file_path' => 'recordings/stuck.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_progress' => 'Transcribing locally…',
            'transcription_percent' => 50,
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subMinutes(20),
            'updated_at' => now()->subMinutes(20),
        ]);

        $this->getJson(route('recordings.transcription-status', $recording))
            ->assertOk()
            ->assertJsonPath('status', 'failed')
            ->assertJsonPath('is_active', false);

        $recording->refresh();
        $this->assertSame('failed', $recording->transcription_status);
        $this->assertStringContainsString('worker stopped', $recording->transcription_error);
    }

    public function test_recent_processing_is_not_marked_orphaned(): void
    {
        $recording = Recording::query()->create([
            'title' => 'Still working',
            'original_filename' => 'working.mp3',
            'file_path' => 'recordings/working.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_progress' => 'Transcribing locally…',
            'transcription_percent' => 50,
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subMinutes(2),
            'updated_at' => now()->subMinutes(2),
        ]);

        $this->getJson(route('recordings.transcription-status', $recording))
            ->assertOk()
            ->assertJsonPath('status', 'processing')
            ->assertJsonPath('is_active', true);

        $recording->refresh();
        $this->assertSame('processing', $recording->transcription_status);
    }

    public function test_orphaned_processing_can_be_restarted(): void
    {
        Transcription::fake(['Recovered transcript.']);

        $recording = Recording::query()->create([
            'title' => 'Restart me',
            'original_filename' => 'restart.mp3',
            'file_path' => 'recordings/restart.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subMinutes(10),
            'updated_at' => now()->subMinutes(10),
        ]);

        $this->post(route('recordings.transcribe', $recording))
            ->assertRedirect();

        $recording->refresh();
        $this->assertSame('local', $recording->transcription_driver);
        $this->assertContains($recording->transcription_status, ['pending', 'processing', 'done']);
    }

    public function test_user_can_stop_an_active_transcription(): void
    {
        $recording = Recording::query()->create([
            'title' => 'Stop me',
            'original_filename' => 'stop.mp3',
            'file_path' => 'recordings/stop.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_progress' => 'Transcribing…',
            'transcription_percent' => 40,
            'transcription_driver' => 'local',
            'transcription_started_at' => now(),
        ]);

        $this->post(route('recordings.transcribe.cancel', $recording))
            ->assertRedirect()
            ->assertSessionHas('success');

        $recording->refresh();
        $this->assertSame('cancelled', $recording->transcription_status);
        $this->assertSame('Stopped by user', $recording->transcription_error);
        $this->assertFalse($recording->isTranscribing());
    }

    public function test_user_can_restart_transcription_while_processing(): void
    {
        Transcription::fake(['Restarted transcript.']);

        $recording = Recording::query()->create([
            'title' => 'Restart me while busy',
            'original_filename' => 'switch.mp3',
            'file_path' => 'recordings/switch.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'processing',
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subMinute(),
        ]);

        $this->post(route('recordings.transcribe', $recording))
            ->assertRedirect()
            ->assertSessionHas('success');

        $recording->refresh();
        $this->assertSame('local', $recording->transcription_driver);
        $this->assertContains($recording->transcription_status, ['pending', 'processing', 'done']);
        $this->assertNull($recording->transcription_error);
    }

    public function test_cancelled_job_does_not_overwrite_status(): void
    {
        Storage::fake('local');
        Storage::disk('local')->put('recordings/ignore.mp3', 'fake-audio-bytes');

        Transcription::fake(['Should be ignored.']);

        $recording = Recording::query()->create([
            'title' => 'Ignore late job',
            'original_filename' => 'ignore.mp3',
            'file_path' => 'recordings/ignore.mp3',
            'file_size_bytes' => 12,
            'transcription_status' => 'processing',
            'transcription_driver' => 'local',
            'transcription_started_at' => now()->subMinute(),
            'transcript' => 'Previous transcript stays.',
        ]);

        $job = new TranscribeRecording($recording);
        $recording->cancelTranscription();

        $job->handle(app(TranscriptionService::class));

        $recording->refresh();
        $this->assertSame('cancelled', $recording->transcription_status);
        $this->assertSame('Previous transcript stays.', $recording->transcript);
    }

    public function test_recordings_can_be_searched_by_transcript(): void
    {
        Recording::query()->create([
            'title' => 'Office chat',
            'original_filename' => 'office.mp3',
            'file_path' => 'recordings/office.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'done',
            'transcript' => 'We should ship the pocket recorder summary feature next week.',
        ]);

        Recording::query()->create([
            'title' => 'Kitchen note',
            'original_filename' => 'kitchen.mp3',
            'file_path' => 'recordings/kitchen.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'done',
            'transcript' => 'Buy milk and eggs.',
        ]);

        $this->get(route('recordings.index', ['q' => 'pocket recorder']))
            ->assertOk()
            ->assertSee('Office chat')
            ->assertSee('pocket recorder')
            ->assertDontSee('Kitchen note');
    }

    public function test_restarting_transcription_keeps_previous_transcript_until_success(): void
    {
        Bus::fake();

        $recording = Recording::query()->create([
            'title' => 'Keep me',
            'original_filename' => 'keep.mp3',
            'file_path' => 'recordings/keep.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'done',
            'transcription_driver' => 'local',
            'transcript' => 'Old transcript text.',
            'transcribed_at' => now()->subHour(),
        ]);

        $this->post(route('recordings.transcribe', $recording))
            ->assertRedirect();

        $recording->refresh();
        $this->assertSame('Old transcript text.', $recording->transcript);
        $this->assertSame('local', $recording->transcription_driver);
        $this->assertSame('pending', $recording->transcription_status);
        Bus::assertDispatched(TranscribeRecording::class);
    }

    public function test_user_can_queue_all_pending_transcriptions(): void
    {
        Bus::fake();

        Recording::query()->create([
            'title' => 'Needs work',
            'original_filename' => 'needs.mp3',
            'file_path' => 'recordings/needs.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'pending',
        ]);

        Recording::query()->create([
            'title' => 'Already done',
            'original_filename' => 'done.mp3',
            'file_path' => 'recordings/done.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'done',
            'transcript' => 'Finished text',
        ]);

        $this->from(route('recordings.index'))
            ->post(route('recordings.transcribe-pending'))
            ->assertRedirect(route('recordings.index'))
            ->assertSessionHas('success');

        Bus::assertDispatched(TranscribeRecording::class, 1);
    }

    public function test_index_shows_human_status_labels(): void
    {
        Recording::query()->create([
            'title' => 'Label check',
            'original_filename' => 'label.mp3',
            'file_path' => 'recordings/label.mp3',
            'file_size_bytes' => 100,
            'transcription_status' => 'pending',
        ]);

        $this->get(route('recordings.index'))
            ->assertOk()
            ->assertSee('Queued')
            ->assertDontSee('>pending<', false);
    }
}