<?php

declare(strict_types=1);

use App\Models\Artwork;
use App\Services\TrendingService;

// RefreshDatabase is applied automatically to all Feature tests via Pest.php

it('returns zero when no artworks exist', function () {
    expect(app(TrendingService::class)->recalculate('24h'))->toBe(0);
    expect(app(TrendingService::class)->recalculate('7d'))->toBe(0);
});

it('updates trending_score_24h for artworks published within 7 days', function () {
    $artwork = Artwork::factory()->create([
        'is_public'    => true,
        'is_approved'  => true,
        'published_at' => now()->subHours(6),
    ]);

    $updated = app(TrendingService::class)->recalculate('24h');

    expect($updated)->toBe(1);

    $artwork->refresh();
    expect($artwork->trending_score_24h)->toBeFloat();
    expect($artwork->last_trending_calculated_at)->not->toBeNull();
})->skip('Requires MySQL: uses GREATEST() and TIMESTAMPDIFF() which are not available in SQLite');

it('updates trending_score_7d for artworks published within 30 days', function () {
    $artwork = Artwork::factory()->create([
        'is_public'    => true,
        'is_approved'  => true,
        'published_at' => now()->subDays(10),
    ]);

    $updated = app(TrendingService::class)->recalculate('7d');

    expect($updated)->toBe(1);

    $artwork->refresh();
    expect($artwork->trending_score_7d)->toBeFloat();
})->skip('Requires MySQL: uses GREATEST() and TIMESTAMPDIFF() which are not available in SQLite');

it('skips artworks published outside the look-back window', function () {
    Artwork::factory()->create([
        'is_public'    => true,
        'is_approved'  => true,
        'published_at' => now()->subDays(45), // outside 30-day window
    ]);

    expect(app(TrendingService::class)->recalculate('7d'))->toBe(0);
});

it('skips private artworks', function () {
    Artwork::factory()->create([
        'is_public'    => false,
        'is_approved'  => true,
        'published_at' => now()->subDay(),
    ]);

    expect(app(TrendingService::class)->recalculate('24h'))->toBe(0);
});

it('skips unapproved artworks', function () {
    Artwork::factory()->create([
        'is_public'    => true,
        'is_approved'  => false,
        'published_at' => now()->subDay(),
    ]);

    expect(app(TrendingService::class)->recalculate('24h'))->toBe(0);
});

it('score is always non-negative (GREATEST clamp)', function () {
    // Artwork with no stats — time decay may be large, but score is clamped to ≥ 0
    $artwork = Artwork::factory()->create([
        'is_public'    => true,
        'is_approved'  => true,
        'published_at' => now()->subDays(6),
    ]);

    app(TrendingService::class)->recalculate('24h');

    $artwork->refresh();
    expect($artwork->trending_score_24h)->toBeGreaterThanOrEqualTo(0.0);
})->skip('Requires MySQL: uses GREATEST() and TIMESTAMPDIFF() which are not available in SQLite');

it('processes multiple artworks in a single run', function () {
    Artwork::factory()->count(5)->create([
        'is_public'    => true,
        'is_approved'  => true,
        'published_at' => now()->subDay(),
    ]);

    expect(app(TrendingService::class)->recalculate('7d'))->toBe(5);
})->skip('Requires MySQL: uses GREATEST() and TIMESTAMPDIFF() which are not available in SQLite');