<?php

declare(strict_types=1);

use App\Models\Artwork;
use App\Models\Collection;
use App\Models\User;
use App\Services\CollectionService;
use App\Services\SmartCollectionService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

it('generates unique slugs per owner while allowing reuse across different owners', function (): void {
    $firstUser = User::factory()->create();
    $secondUser = User::factory()->create();
    $service = app(CollectionService::class);

    Collection::factory()->for($firstUser)->create([
        'title' => 'Portal Vault',
        'slug' => 'portal-vault',
    ]);

    expect($service->makeUniqueSlugForUser($firstUser, 'Portal Vault'))->toBe('portal-vault-2');
    expect($service->makeUniqueSlugForUser($secondUser, 'Portal Vault'))->toBe('portal-vault');
});

it('falls back to the first attached artwork when an explicit cover is removed', function (): void {
    $user = User::factory()->create();
    $collection = Collection::factory()->for($user)->create();
    $firstArtwork = Artwork::factory()->for($user)->create();
    $secondArtwork = Artwork::factory()->for($user)->create();
    $service = app(CollectionService::class);

    $service->attachArtworks($collection, $user, [$firstArtwork->id, $secondArtwork->id]);
    $collection->refresh();

    $service->updateCollection($collection->loadMissing('user'), [
        'title' => $collection->title,
        'slug' => $collection->slug,
        'description' => $collection->description,
        'visibility' => $collection->visibility,
        'sort_mode' => $collection->sort_mode,
        'cover_artwork_id' => $secondArtwork->id,
    ]);

    $collection->refresh();
    expect($collection->resolvedCoverArtwork()?->id)->toBe($secondArtwork->id);

    $service->removeArtwork($collection->loadMissing('user'), $secondArtwork);
    $collection->refresh();

    expect($collection->cover_artwork_id)->toBeNull();
    expect($collection->resolvedCoverArtwork()?->id)->toBe($firstArtwork->id);
});

it('keeps artworks_count in sync while attaching and removing artworks', function (): void {
    $user = User::factory()->create();
    $collection = Collection::factory()->for($user)->create(['artworks_count' => 0]);
    $artworkA = Artwork::factory()->for($user)->create();
    $artworkB = Artwork::factory()->for($user)->create();
    $service = app(CollectionService::class);

    $service->attachArtworks($collection, $user, [$artworkA->id, $artworkB->id]);
    $collection->refresh();

    expect($collection->artworks_count)->toBe(2);

    $service->removeArtwork($collection->loadMissing('user'), $artworkA);
    $collection->refresh();

    expect($collection->artworks_count)->toBe(1);
    expect($collection->artworks()->pluck('artworks.id')->all())->toBe([$artworkB->id]);
});

it('sorts manual collection artworks by stats views for popular mode', function (): void {
    $user = User::factory()->create();
    $collection = Collection::factory()->for($user)->create([
        'sort_mode' => Collection::SORT_POPULAR,
    ]);
    $lowViews = Artwork::factory()->for($user)->create();
    $highViews = Artwork::factory()->for($user)->create();
    $noStats = Artwork::factory()->for($user)->create();
    $service = app(CollectionService::class);

    $service->attachArtworks($collection, $user, [$lowViews->id, $noStats->id, $highViews->id]);

    DB::table('artwork_stats')->insert([
        [
            'artwork_id' => $lowViews->id,
            'views' => 25,
            'downloads' => 0,
            'favorites' => 0,
            'rating_avg' => 0,
            'rating_count' => 0,
        ],
        [
            'artwork_id' => $highViews->id,
            'views' => 250,
            'downloads' => 0,
            'favorites' => 0,
            'rating_avg' => 0,
            'rating_count' => 0,
        ],
    ]);

    $artworks = $service->getCollectionDetailArtworks($collection->fresh(), true, 24);

    expect($artworks->getCollection()->pluck('id')->all())->toBe([
        $highViews->id,
        $lowViews->id,
        $noStats->id,
    ]);
});

it('sorts smart collection artworks by stats views for popular mode', function (): void {
    $user = User::factory()->create();
    $collection = Collection::factory()->for($user)->create([
        'mode' => Collection::MODE_SMART,
        'smart_rules_json' => [
            'match' => 'all',
            'sort' => Collection::SORT_POPULAR,
            'rules' => [
                [
                    'field' => 'created_at',
                    'operator' => 'between',
                    'value' => [
                        'from' => now()->subDay()->toDateString(),
                        'to' => now()->addDay()->toDateString(),
                    ],
                ],
            ],
        ],
    ]);
    $lowViews = Artwork::factory()->for($user)->create();
    $highViews = Artwork::factory()->for($user)->create();
    $noStats = Artwork::factory()->for($user)->create();
    $service = app(SmartCollectionService::class);

    DB::table('artwork_stats')->insert([
        [
            'artwork_id' => $lowViews->id,
            'views' => 12,
            'downloads' => 0,
            'favorites' => 0,
            'rating_avg' => 0,
            'rating_count' => 0,
        ],
        [
            'artwork_id' => $highViews->id,
            'views' => 120,
            'downloads' => 0,
            'favorites' => 0,
            'rating_avg' => 0,
            'rating_count' => 0,
        ],
    ]);

    $artworks = $service->resolveArtworks($collection, true, 24);

    expect($artworks->getCollection()->pluck('id')->all())->toBe([
        $highViews->id,
        $lowViews->id,
        $noStats->id,
    ]);
});

it('builds a human readable smart summary for medium rules', function (): void {
    $service = app(SmartCollectionService::class);

    $summary = $service->smartSummary([
        'match' => 'all',
        'sort' => 'newest',
        'rules' => [
            [
                'field' => 'medium',
                'operator' => 'equals',
                'value' => 'wallpapers',
            ],
        ],
    ]);

    expect($summary)->toBe('Includes artworks in medium wallpapers.');
});

it('builds a human readable smart summary for style and color rules', function (): void {
    $service = app(SmartCollectionService::class);

    $summary = $service->smartSummary([
        'match' => 'any',
        'sort' => 'newest',
        'rules' => [
            [
                'field' => 'style',
                'operator' => 'equals',
                'value' => 'digital painting',
            ],
            [
                'field' => 'color',
                'operator' => 'equals',
                'value' => 'blue tones',
            ],
        ],
    ]);

    expect($summary)->toBe('Includes artworks matching style digital painting or using color palette blue tones.');
});

it('builds a human readable smart summary for mature rules', function (): void {
    $service = app(SmartCollectionService::class);

    $summary = $service->smartSummary([
        'match' => 'all',
        'sort' => 'newest',
        'rules' => [
            [
                'field' => 'is_mature',
                'operator' => 'equals',
                'value' => true,
            ],
        ],
    ]);

    expect($summary)->toBe('Includes artworks marked as mature artworks.');
});