<?php

declare(strict_types=1);

use App\Jobs\GenerateFeaturedArtworkThumbnailsJob;
use App\Models\Artwork;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Queue;

uses(RefreshDatabase::class);

function makeAuditableArtwork(array $attributes = []): Artwork
{
    return Artwork::factory()->create(array_merge([
        'user_id' => User::factory()->create()->id,
        'hash' => str_repeat('a', 64),
        'file_ext' => 'png',
        'thumb_ext' => 'webp',
    ], $attributes));
}

test('null featured_thumbnail_variants_json means not audited yet', function () {
    $artwork = makeAuditableArtwork();

    expect($artwork->featured_thumbnail_variants_json)->toBeNull()
        ->and($artwork->featuredThumbnailAuditState())->toBe(['status' => 'not_audited', 'variants' => []])
        ->and($artwork->hasFeaturedThumbnail())->toBeFalse()
        ->and($artwork->hasFeaturedThumbnail('desktop'))->toBeFalse();
});

test('empty array means audited with no featured variants available', function () {
    $artwork = makeAuditableArtwork();
    $artwork->forceFill([
        'featured_thumbnail_variants_json' => [],
        'featured_thumbnails_checked_at' => now(),
    ])->saveQuietly();

    $fresh = $artwork->fresh();

    expect($fresh->featured_thumbnail_variants_json)->toBe([])
        ->and($fresh->featuredThumbnailAuditState())->toBe(['status' => 'no_variants', 'variants' => []])
        ->and($fresh->hasFeaturedThumbnail())->toBeFalse();
});

test('a populated array means audited with those variants known to be available', function () {
    $artwork = makeAuditableArtwork();
    $artwork->forceFill([
        'featured_thumbnail_variants_json' => ['desktop', 'desktop_xl'],
        'featured_thumbnails_checked_at' => now(),
    ])->saveQuietly();

    $fresh = $artwork->fresh();

    expect($fresh->featuredThumbnailAuditState())->toBe(['status' => 'available', 'variants' => ['desktop', 'desktop_xl']])
        ->and($fresh->hasFeaturedThumbnail('desktop'))->toBeTrue()
        ->and($fresh->hasFeaturedThumbnail('desktop_xl'))->toBeTrue()
        ->and($fresh->hasFeaturedThumbnail('mobile'))->toBeFalse();
});

test('malformed json in the column is treated as not audited rather than throwing', function () {
    $artwork = makeAuditableArtwork();

    // Bypass the array cast to write a raw, non-JSON-array value directly, simulating
    // legacy or corrupted data that predates this column's introduction.
    DB::table('artworks')->where('id', $artwork->id)->update([
        'featured_thumbnail_variants_json' => '"not-an-array"',
    ]);

    $fresh = $artwork->fresh();

    expect($fresh->featuredThumbnailAuditState())->toBe(['status' => 'not_audited', 'variants' => []])
        ->and($fresh->hasFeaturedThumbnail())->toBeFalse();
});

test('non-string entries in the variants array are ignored rather than matched', function () {
    $artwork = makeAuditableArtwork();

    DB::table('artworks')->where('id', $artwork->id)->update([
        'featured_thumbnail_variants_json' => json_encode(['desktop', 42, null, ['nested' => true]]),
    ]);

    $fresh = $artwork->fresh();

    expect($fresh->featuredThumbnailAuditState())->toBe(['status' => 'available', 'variants' => ['desktop']])
        ->and($fresh->hasFeaturedThumbnail('desktop'))->toBeTrue()
        ->and($fresh->hasFeaturedThumbnail('tablet'))->toBeFalse();
});

test('an artwork without a hash never reports a featured thumbnail regardless of audit state', function () {
    $artwork = makeAuditableArtwork(['hash' => null, 'file_ext' => null]);
    $artwork->forceFill([
        'featured_thumbnail_variants_json' => ['desktop'],
        'featured_thumbnails_checked_at' => now(),
    ])->saveQuietly();

    expect($artwork->fresh()->hasFeaturedThumbnail('desktop'))->toBeFalse();
});

test('changing an artwork hash resets stale featured thumbnail audit state and queues regeneration for featured artworks', function () {
    Queue::fake();

    $artwork = makeAuditableArtwork([
        'hash' => str_repeat('b', 64),
        'is_public' => true,
        'is_approved' => true,
        'published_at' => now()->subHour(),
    ]);

    $artwork->forceFill([
        'featured_thumbnail_variants_json' => ['desktop', 'desktop_xl'],
        'featured_thumbnails_checked_at' => now(),
    ])->saveQuietly();

    DB::table('artwork_features')->insert([
        'artwork_id' => $artwork->id,
        'featured_at' => now()->subHour(),
        'expires_at' => null,
        'priority' => 500,
        'label' => null,
        'note' => null,
        'is_active' => true,
        'created_by' => null,
        'created_at' => now(),
        'updated_at' => now(),
        'deleted_at' => null,
    ]);

    // Old hash reported 2 available variants — that state is now stale because the
    // object paths it referred to were computed from the old hash.
    expect($artwork->fresh()->hasFeaturedThumbnail('desktop'))->toBeTrue();

    $artwork->hash = str_repeat('c', 64);
    $artwork->save();

    $fresh = $artwork->fresh();

    expect($fresh->featured_thumbnail_variants_json)->toBeNull()
        ->and($fresh->featured_thumbnails_checked_at)->toBeNull()
        ->and($fresh->hasFeaturedThumbnail('desktop'))->toBeFalse();

    Queue::assertPushed(GenerateFeaturedArtworkThumbnailsJob::class);
});

test('changing hash on an artwork with no active feature row does not queue regeneration', function () {
    Queue::fake();

    $artwork = makeAuditableArtwork(['hash' => str_repeat('d', 64)]);
    $artwork->forceFill([
        'featured_thumbnail_variants_json' => ['desktop'],
        'featured_thumbnails_checked_at' => now(),
    ])->saveQuietly();

    $artwork->hash = str_repeat('e', 64);
    $artwork->save();

    expect($artwork->fresh()->featured_thumbnail_variants_json)->toBeNull();
    Queue::assertNotPushed(GenerateFeaturedArtworkThumbnailsJob::class);
});