<?php

use App\Enums\ActivityType;
use App\Enums\AiDeclarationSource;
use App\Enums\AiImageDeclaration;
use App\Enums\ConfirmationChannel;
use App\Enums\Portal;
use App\Enums\PressReleaseStatus;
use App\Models\ActivityEvent;
use App\Models\Category;
use App\Models\Company;
use App\Models\ImageDeclarationCorrection;
use App\Models\ImageRightsConfirmation;
use App\Models\PressRelease;
use App\Models\PressReleaseImage;
use App\Models\PressReleaseStatusLog;
use App\Models\User;
use App\Services\Admin\AdminSystemHealth;
use App\Services\PressRelease\ImageRightsConfirmationRequiredException;
use App\Services\PressRelease\Images\ImageCorrectionService;
use App\Services\PressRelease\PressReleaseService;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Storage;
use Livewire\Volt\Volt as LivewireVolt;
use Tests\TestCase;

/**
 * Bildkennzeichnung Block E: Veröffentlichungsgate, published_ever_at,
 * Snapshot, Sofortlöschung, Backfill, Legacy-Bereinigung, Beweiszugriff,
 * Korrekturweg, Systemstatus.
 */
beforeEach(function (): void {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    Storage::fake('local');
    Storage::fake('public');
    Mail::fake();
});

function lifecycleAdmin(): User
{
    $admin = User::factory()->create(['is_active' => true]);
    $admin->assignRole('admin');

    return $admin;
}

/**
 * @return array{author: User, company: Company, pr: PressRelease}
 */
function lifecycleRelease(string $status = 'review'): array
{
    $author = User::factory()->create(['is_active' => true]);
    $author->assignRole('customer');
    $category = Category::factory()->create(['portal' => Portal::Presseecho]);
    $category->translations()->create(['locale' => 'de', 'name' => 'Energie', 'slug' => 'energie-'.$category->id]);
    $company = Company::factory()->presseecho()->create(['name' => 'Beispiel AG', 'is_active' => true]);

    $pr = PressRelease::factory()->forPortal(Portal::Presseecho)->for($category)->for($company)->create([
        'user_id' => $author->id,
        'status' => $status,
        'slug' => 'lifecycle-'.fake()->unique()->numberBetween(1, 99999),
    ]);

    return compact('author', 'company', 'pr');
}

function lifecycleImage(PressRelease $pr, bool $confirmed = true, array $attributes = []): PressReleaseImage
{
    $image = PressReleaseImage::factory()->for($pr)->rulesV2()->create($attributes);
    Storage::disk('local')->put($image->path, 'cover-bytes-'.$image->id);
    Storage::disk('local')->put($image->original_path, 'original-bytes-'.$image->id);

    if ($confirmed) {
        ImageRightsConfirmation::query()->create([
            'subject_type' => $image->getMorphClass(),
            'subject_id' => $image->getKey(),
            'press_release_id' => $pr->id,
            'company_id' => $pr->company_id,
            'user_id' => $pr->user_id,
            'channel' => ConfirmationChannel::Form,
            'legal_text_key' => 'img-confirm-v2',
            'text_snapshot' => 'Ich bestätige …',
            'agb_version' => '0.6',
            'file_sha256' => $image->original_sha256,
            'declaration_snapshot' => [],
            'confirmed_at' => now(),
            'created_at' => now(),
        ]);
    }

    return $image->fresh();
}

test('publishing marks release and images as ever published and captures the snapshot', function () {
    ['pr' => $pr] = lifecycleRelease();
    $image = lifecycleImage($pr);

    app(PressReleaseService::class)->publish($pr);

    $pr->refresh();
    $image->refresh();

    expect($pr->status)->toBe(PressReleaseStatus::Published)
        ->and($pr->published_ever_at)->not->toBeNull()
        ->and($image->published_ever_at)->not->toBeNull()
        ->and($image->published_snapshot_path)->toStartWith('press-release-published/'.$pr->id.'/')
        ->and(Storage::disk('local')->get($image->published_snapshot_path))->toBe('cover-bytes-'.$image->id)
        ->and($image->published_snapshot_sha256)->toBe(hash('sha256', 'cover-bytes-'.$image->id));

    $sidecar = json_decode((string) Storage::disk('local')->get(preg_replace('/\.jpg$/', '.json', $image->published_snapshot_path)), true);

    expect($sidecar['credit_line'])->toContain('Foto: ')
        ->and($sidecar['confirmation_key'])->toBe('img-confirm-v2')
        ->and($sidecar['original_sha256'])->toBe($image->original_sha256);
});

test('publishing is blocked while a formular v2 image lacks a valid confirmation', function () {
    ['pr' => $pr] = lifecycleRelease();
    lifecycleImage($pr, confirmed: false, attributes: ['customer_confirmation_requested_at' => now()]);

    expect(fn () => app(PressReleaseService::class)->publish($pr))
        ->toThrow(ImageRightsConfirmationRequiredException::class);

    expect($pr->fresh()->status)->toBe(PressReleaseStatus::Review)
        ->and($pr->fresh()->published_ever_at)->toBeNull();
});

test('a legacy image never blocks publishing', function () {
    ['pr' => $pr] = lifecycleRelease();
    PressReleaseImage::factory()->for($pr)->legacy()->create();

    app(PressReleaseService::class)->publish($pr);

    expect($pr->fresh()->status)->toBe(PressReleaseStatus::Published);
});

test('the admin status change to published applies the same gate and marks images', function () {
    ['pr' => $pr] = lifecycleRelease('draft');
    $image = lifecycleImage($pr, confirmed: false);

    expect(fn () => app(PressReleaseService::class)->changeStatusFromAdmin($pr, PressReleaseStatus::Published))
        ->toThrow(ImageRightsConfirmationRequiredException::class);

    ['pr' => $pr2] = lifecycleRelease('draft');
    $image2 = lifecycleImage($pr2);

    app(PressReleaseService::class)->changeStatusFromAdmin($pr2, PressReleaseStatus::Published);

    expect($pr2->fresh()->published_ever_at)->not->toBeNull()
        ->and($image2->fresh()->published_ever_at)->not->toBeNull()
        ->and($image2->fresh()->published_snapshot_path)->not->toBeNull()
        ->and($image->fresh()->published_ever_at)->toBeNull();
});

test('the admin page reports the gate instead of crashing', function () {
    /** @var TestCase $this */
    ['pr' => $pr] = lifecycleRelease();
    lifecycleImage($pr, confirmed: false);
    $this->actingAs(lifecycleAdmin());

    LivewireVolt::test('admin.press-releases.show', ['id' => $pr->id])
        ->call('publish')
        ->assertHasNoErrors();

    expect($pr->fresh()->status)->toBe(PressReleaseStatus::Review);
});

test('deleting a never published release from the admin removes images, originals and confirmations for good', function () {
    ['pr' => $pr] = lifecycleRelease('draft');
    $image = lifecycleImage($pr);

    app(PressReleaseService::class)->deleteFromAdmin($pr);

    expect(PressReleaseImage::withTrashed()->whereKey($image->id)->exists())->toBeFalse()
        ->and(ImageRightsConfirmation::query()->count())->toBe(0)
        ->and(Storage::disk('local')->allFiles())->toBe([])
        ->and(PressRelease::withTrashed()->find($pr->id)?->trashed())->toBeTrue();
});

test('the draft purge deletes images of stale never published drafts immediately', function () {
    /** @var TestCase $this */
    ['pr' => $pr] = lifecycleRelease('draft');
    $image = lifecycleImage($pr);
    DB::table('press_releases')->where('id', $pr->id)->update(['updated_at' => now()->subDays(200)]);

    ['pr' => $fresh] = lifecycleRelease('draft');
    $freshImage = lifecycleImage($fresh);

    $this->artisan('press-releases:purge-drafts', ['--days' => 180])
        ->expectsOutputToContain('Bilder gelöscht: 1')
        ->assertSuccessful();

    expect(PressReleaseImage::withTrashed()->whereKey($image->id)->exists())->toBeFalse()
        ->and(Storage::disk('local')->exists($image->original_path))->toBeFalse()
        ->and($pr->fresh()->status)->toBe(PressReleaseStatus::Archived)
        ->and(PressReleaseImage::query()->whereKey($freshImage->id)->exists())->toBeTrue();
});

test('the published-ever backfill derives the date from the status log and lets images inherit it', function () {
    /** @var TestCase $this */
    ['pr' => $pr] = lifecycleRelease('archived');
    $pr->forceFill(['published_at' => null, 'published_ever_at' => null])->save();
    PressReleaseStatusLog::query()->create([
        'press_release_id' => $pr->id,
        'from_status' => 'review',
        'to_status' => 'published',
        'source' => 'admin',
        'created_at' => now()->subDays(30),
    ]);
    $image = PressReleaseImage::factory()->for($pr)->legacy()->create();
    ['pr' => $neverPublished] = lifecycleRelease('rejected');
    $neverPublished->forceFill(['published_at' => null])->save();

    $this->artisan('press-releases:backfill-published-ever', ['--dry-run' => true])
        ->expectsOutputToContain('die öffentlich waren: 1')
        ->assertSuccessful();

    $this->artisan('press-releases:backfill-published-ever')->assertSuccessful();

    expect($pr->fresh()->published_ever_at?->toDateString())->toBe(now()->subDays(30)->toDateString())
        ->and($image->fresh()->published_ever_at)->not->toBeNull()
        ->and($neverPublished->fresh()->published_ever_at)->toBeNull();
});

test('the legacy purge removes only legacy images of inactive releases and reports per status', function () {
    /** @var TestCase $this */
    ['pr' => $rejected] = lifecycleRelease('rejected');
    ['pr' => $published] = lifecycleRelease('published');
    ['pr' => $draftV2] = lifecycleRelease('draft');

    $legacyGone = PressReleaseImage::factory()->for($rejected)->legacy()->create(['disk' => 'local', 'path' => 'presseecho/press/alt.jpg']);
    Storage::disk('local')->put('presseecho/press/alt.jpg', 'alt');
    $legacyStays = PressReleaseImage::factory()->for($published)->legacy()->create();
    $v2Stays = lifecycleImage($draftV2);

    $this->artisan('press-release-images:purge-inactive-legacy')
        ->expectsOutputToContain('Trockenlauf: Legacy-Bilder an inaktiven Meldungen: 1')
        ->assertSuccessful();

    expect(PressReleaseImage::query()->count())->toBe(3);

    $this->artisan('press-release-images:purge-inactive-legacy', ['--execute' => true])
        ->expectsOutputToContain('Gelöscht: 1 Bilder')
        ->assertSuccessful();

    expect(PressReleaseImage::withTrashed()->whereKey($legacyGone->id)->exists())->toBeFalse()
        ->and(Storage::disk('local')->exists('presseecho/press/alt.jpg'))->toBeFalse()
        ->and(PressReleaseImage::query()->whereKey($legacyStays->id)->exists())->toBeTrue()
        ->and(PressReleaseImage::query()->whereKey($v2Stays->id)->exists())->toBeTrue();
});

test('the evidence original is only reachable by admins with a purpose and every access is logged', function () {
    /** @var TestCase $this */
    ['pr' => $pr, 'author' => $author] = lifecycleRelease('published');
    $image = lifecycleImage($pr);
    $admin = lifecycleAdmin();

    $url = route('admin.press-releases.images.original', ['id' => $pr->id, 'image' => $image->id], absolute: false);

    $this->get('https://pressekonto.test'.$url.'?purpose=Abmahnung+pr%C3%BCfen')->assertRedirect();

    $this->actingAs($author)->get('https://pressekonto.test'.$url.'?purpose=x')->assertStatus(403);

    $this->actingAs($admin)->get('https://pressekonto.test'.$url)->assertStatus(422);

    $response = $this->actingAs($admin)->get('https://pressekonto.test'.$url.'?purpose=Abmahnung+pr%C3%BCfen');
    $response->assertSuccessful()->assertHeader('Cache-Control', 'no-store, private');
    expect($response->streamedContent())->toBe('original-bytes-'.$image->id);

    $event = ActivityEvent::query()->where('type', ActivityType::EvidenceAccess->value)->sole();
    expect($event->description)->toContain('Abmahnung prüfen')
        ->and($event->subject_id)->toBe($image->id);

    // Die Medienroute kennt das Original nicht: „original" ist dort das Cover.
    $media = $this->get(route('media.press-release-images.show', ['image' => $image->id, 'variant' => 'original']));
    $media->assertSuccessful();
    expect($media->streamedContent())->toBe('cover-bytes-'.$image->id);
});

test('the evidence original path never leaks outside the allowed files', function () {
    $allowed = [
        'app/Models/PressReleaseImage.php',
        'app/Services/PressRelease/Images/PressReleaseImageUploader.php',
        'app/Services/PressRelease/Images/PressReleaseImageRemover.php',
        'app/Http/Controllers/Admin/PressReleaseImageEvidenceController.php',
        'app/Services/Archive/PressReleaseArchiver.php',
    ];

    $offenders = collect(array_merge(
        glob(base_path('app/**/*.php')) ?: [],
        glob(base_path('app/**/**/*.php')) ?: [],
        glob(base_path('app/**/**/**/*.php')) ?: [],
        glob(base_path('resources/views/**/*.blade.php')) ?: [],
        glob(base_path('resources/views/**/**/*.blade.php')) ?: [],
        glob(base_path('resources/views/**/**/**/*.blade.php')) ?: [],
    ))
        ->unique()
        ->filter(fn (string $file): bool => str_contains((string) file_get_contents($file), 'original_path'))
        ->map(fn (string $file): string => str_replace(base_path().'/', '', $file))
        ->reject(fn (string $file): bool => in_array($file, $allowed, true))
        ->values()
        ->all();

    expect($offenders)->toBe([]);
});

test('corrections are recorded with reason and source, and withholding hides the image publicly', function () {
    /** @var TestCase $this */
    ['pr' => $pr] = lifecycleRelease();
    $image = lifecycleImage($pr, attributes: ['copyright' => 'Falscher Nachweis', 'ai_declaration' => 'original', 'ai_declaration_user' => 'original']);
    app(PressReleaseService::class)->publish($pr);
    $admin = lifecycleAdmin();

    $service = app(ImageCorrectionService::class);
    $service->correctCredit($image, $admin, 'Richtiger Nachweis', 'Einwand des Fotografen per Mail vom 22.09.');
    $service->correctAiDeclaration($image, $admin, AiImageDeclaration::AiGenerated, 'Herkunftsdaten nachgereicht');

    $image->refresh();

    expect($image->copyright)->toBe('Richtiger Nachweis')
        ->and($image->ai_declaration)->toBe(AiImageDeclaration::AiGenerated)
        ->and($image->ai_declaration_user)->toBe(AiImageDeclaration::Original)
        ->and($image->ai_declaration_source)->toBe(AiDeclarationSource::AdminCorrection)
        ->and(ImageDeclarationCorrection::query()->count())->toBe(2)
        ->and(ImageDeclarationCorrection::query()->where('field', 'ai_declaration')->sole()->old_source)->toBe('customer')
        ->and(ImageRightsConfirmation::query()->count())->toBe(1);

    $this->get('https://presseecho.test/de/press-release/'.$pr->slug)
        ->assertSuccessful()
        ->assertSeeText('Foto: Richtiger Nachweis · KI-generiert')
        ->assertSeeText('Kennzeichnung: vom Portal nach Prüfung korrigiert');

    $service->withhold($image, $admin, 'Einwand wird geprüft');

    $this->get('https://presseecho.test/de/press-release/'.$pr->slug)
        ->assertSuccessful()
        ->assertDontSee('data-image-credit', false)
        ->assertDontSeeText('Richtiger Nachweis');

    $service->release($image->fresh(), $admin, 'Einwand unbegründet');

    $this->get('https://presseecho.test/de/press-release/'.$pr->slug)->assertSeeText('Foto: Richtiger Nachweis');

    expect(fn () => ImageDeclarationCorrection::query()->first()->delete())->toThrow(LogicException::class);
});

test('the admin page applies a correction with a mandatory reason', function () {
    /** @var TestCase $this */
    ['pr' => $pr] = lifecycleRelease('published');
    $image = lifecycleImage($pr);
    $this->actingAs(lifecycleAdmin());

    LivewireVolt::test('admin.press-releases.show', ['id' => $pr->id])
        ->assertSee('Bildnachweis und Kennzeichnung korrigieren')
        ->set('correctionAiDeclaration', 'ai_edited')
        ->call('correctImage')
        ->assertHasErrors(['correctionReason'])
        ->set('correctionReason', 'Kunde hat KI-Retusche bestätigt')
        ->call('correctImage')
        ->assertHasNoErrors();

    expect($image->fresh()->ai_declaration)->toBe(AiImageDeclaration::AiEdited)
        ->and(ImageDeclarationCorrection::query()->count())->toBe(1);
});

test('the system health warns about failed provenance checks of the last seven days', function () {
    ['pr' => $pr] = lifecycleRelease('draft');
    PressReleaseImage::factory()->for($pr)->rulesV2()->create(['provenance_status' => 'error', 'provenance_checked_at' => now()->subDay()]);

    $checks = collect(app(AdminSystemHealth::class)->snapshot()['checks'])->keyBy('key');

    expect($checks->get('image_provenance')['status'])->toBe('warn')
        ->and($checks->get('image_provenance')['detail'])->toContain('1 Bild-Upload');
});