<?php

namespace Tests\Feature\Api\Event;

use App\Models\Event;
use App\Models\EventMediaAsset;
use App\Models\MediaStorageTarget;
use App\Models\Photo;
use App\Services\EventJoinTokenService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class EventGalleryDownloadTest extends TestCase
{
    use RefreshDatabase;

    public function test_gallery_download_uses_preview_variant_when_configured(): void
    {
        Storage::fake('public');

        $event = Event::factory()->create([
            'status' => 'published',
            'settings' => [
                'guest_download_variant' => 'preview',
            ],
        ]);
        $token = app(EventJoinTokenService::class)->createToken($event, ['label' => 'download-preview'])->plain_token;
        $storageTarget = $this->createPublicStorageTarget();

        $originalPath = "events/{$event->id}/photos/original.jpg";
        $previewPath = "events/{$event->id}/photos/previews/preview.jpg";
        $thumbnailPath = "events/{$event->id}/photos/thumbs/thumb.jpg";
        Storage::disk('public')->put($originalPath, 'original-content');
        Storage::disk('public')->put($previewPath, 'preview-content');
        Storage::disk('public')->put($thumbnailPath, 'thumb-content');

        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
            'file_path' => $originalPath,
            'thumbnail_path' => $thumbnailPath,
        ]);

        $originalAsset = EventMediaAsset::create([
            'event_id' => $event->id,
            'media_storage_target_id' => $storageTarget->id,
            'photo_id' => $photo->id,
            'variant' => 'original',
            'disk' => 'public',
            'path' => $originalPath,
            'status' => 'hot',
            'processed_at' => now(),
            'mime_type' => 'image/jpeg',
        ]);

        EventMediaAsset::create([
            'event_id' => $event->id,
            'media_storage_target_id' => $storageTarget->id,
            'photo_id' => $photo->id,
            'variant' => 'preview',
            'disk' => 'public',
            'path' => $previewPath,
            'status' => 'hot',
            'processed_at' => now(),
            'mime_type' => 'image/jpeg',
        ]);

        $photo->update(['media_asset_id' => $originalAsset->id]);

        $photosResponse = $this->getJson("/api/v1/gallery/{$token}/photos");
        $downloadUrl = (string) $photosResponse->json('data.0.download_url');

        $photosResponse->assertOk();
        $this->assertNotEmpty($downloadUrl);

        $downloadResponse = $this->get($downloadUrl);

        $downloadResponse->assertOk();
        $this->assertSame('preview-content', $downloadResponse->streamedContent());
        $this->assertStringContainsString(
            'attachment;',
            (string) $downloadResponse->headers->get('Content-Disposition')
        );
    }

    public function test_gallery_download_falls_back_to_original_when_preview_is_missing(): void
    {
        Storage::fake('public');

        $event = Event::factory()->create([
            'status' => 'published',
            'settings' => [
                'guest_download_variant' => 'preview',
            ],
        ]);
        $token = app(EventJoinTokenService::class)->createToken($event, ['label' => 'download-fallback'])->plain_token;
        $storageTarget = $this->createPublicStorageTarget();

        $originalPath = "events/{$event->id}/photos/original.jpg";
        $thumbnailPath = "events/{$event->id}/photos/thumbs/thumb.jpg";
        Storage::disk('public')->put($originalPath, 'original-content');
        Storage::disk('public')->put($thumbnailPath, 'thumb-content');

        $photo = Photo::factory()->for($event)->create([
            'tenant_id' => $event->tenant_id,
            'status' => 'approved',
            'file_path' => $originalPath,
            'thumbnail_path' => $thumbnailPath,
        ]);

        $originalAsset = EventMediaAsset::create([
            'event_id' => $event->id,
            'media_storage_target_id' => $storageTarget->id,
            'photo_id' => $photo->id,
            'variant' => 'original',
            'disk' => 'public',
            'path' => $originalPath,
            'status' => 'hot',
            'processed_at' => now(),
            'mime_type' => 'image/jpeg',
        ]);

        $photo->update(['media_asset_id' => $originalAsset->id]);

        $photosResponse = $this->getJson("/api/v1/gallery/{$token}/photos");
        $downloadUrl = (string) $photosResponse->json('data.0.download_url');

        $photosResponse->assertOk();
        $this->assertNotEmpty($downloadUrl);

        $downloadResponse = $this->get($downloadUrl);

        $downloadResponse->assertOk();
        $this->assertSame('original-content', $downloadResponse->streamedContent());
    }

    private function createPublicStorageTarget(): MediaStorageTarget
    {
        return MediaStorageTarget::create([
            'key' => 'public',
            'name' => 'Public',
            'driver' => 'local',
            'is_hot' => true,
            'is_default' => true,
            'is_active' => true,
        ]);
    }
}