<?php

namespace Tests\Feature;

use App\Models\Event;
use App\Models\EventPackage;
use App\Models\EventType;
use App\Models\Package;
use App\Models\PackagePurchase;
use App\Models\TenantPackage;
use App\Services\EventJoinTokenService;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Storage;
use Tests\Feature\Tenant\TenantTestCase;

class EventControllerTest extends TenantTestCase
{
    public function test_create_event_with_valid_package_succeeds(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();
        $package = Package::factory()->create(['type' => 'endcustomer', 'max_photos' => 100]);
        TenantPackage::factory()->create([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'active' => true,
        ]);
        $purchase = PackagePurchase::factory()->create([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'type' => 'endcustomer_event',
            'metadata' => [],
        ]);

        $response = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'Test Event',
            'slug' => 'test-event',
            'event_date' => Carbon::now()->addDays(10)->toDateString(),
            'event_type_id' => $eventType->id,
            'package_id' => $package->id,
            'accepted_waiver' => true,
        ]);

        $response->assertStatus(201);

        $this->assertDatabaseHas('events', [
            'tenant_id' => $tenant->id,
            'name' => json_encode('Test Event'),
            'slug' => 'test-event',
            'event_type_id' => $eventType->id,
        ]);

        $event = Event::latest()->first();
        $this->assertDatabaseHas('event_packages', [
            'event_id' => $event->id,
            'package_id' => $package->id,
        ]);

        $this->assertDatabaseHas('event_join_tokens', [
            'event_id' => $event->id,
        ]);

        $purchase->refresh();
        $this->assertNotNull(data_get($purchase->metadata, 'consents.digital_content_waiver_at'));
    }

    public function test_create_event_without_package_fails(): void
    {
        $response = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'Test Event',
            'slug' => 'test-event',
            'event_date' => Carbon::now()->addDays(10)->toDateString(),
        ]);

        $response->assertStatus(402)
            ->assertJsonPath('error.code', 'event_limit_missing');
    }

    public function test_superadmin_can_create_event_without_tenant_package(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();
        $package = Package::factory()->create([
            'type' => 'endcustomer',
            'slug' => 'pro',
            'max_photos' => 100,
        ]);

        $superadmin = \App\Models\User::factory()->create([
            'tenant_id' => $tenant->id,
            'role' => 'superadmin',
            'password' => Hash::make('password'),
            'email_verified_at' => now(),
        ]);

        $login = $this->postJson('/api/v1/tenant-auth/login', [
            'login' => $superadmin->email,
            'password' => 'password',
        ]);

        $login->assertOk();
        $token = (string) $login->json('token');

        $response = $this->withHeader('Authorization', 'Bearer '.$token)
            ->postJson('/api/v1/tenant/events', [
                'name' => 'Owner Event',
                'slug' => 'owner-event',
                'event_date' => Carbon::now()->addDays(10)->toDateString(),
                'event_type_id' => $eventType->id,
                'package_id' => $package->id,
            ]);

        $response->assertStatus(201);

        $event = Event::latest()->first();

        $this->assertDatabaseHas('events', [
            'tenant_id' => $tenant->id,
            'slug' => 'owner-event',
        ]);

        $this->assertDatabaseHas('event_packages', [
            'event_id' => $event->id,
            'package_id' => $package->id,
        ]);
    }

    public function test_create_event_requires_waiver_for_endcustomer_package(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();
        $package = Package::factory()->create(['type' => 'endcustomer', 'max_photos' => 100]);
        TenantPackage::factory()->create([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'active' => true,
        ]);

        $response = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'Test Event',
            'slug' => 'test-event',
            'event_date' => Carbon::now()->addDays(10)->toDateString(),
            'event_type_id' => $eventType->id,
            'package_id' => $package->id,
            'accepted_waiver' => false,
        ]);

        $response->assertStatus(422)
            ->assertJsonValidationErrors(['accepted_waiver']);
    }

    public function test_create_event_with_reseller_package_limits_events(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();
        $includedPackage = Package::factory()->endcustomer()->create([
            'slug' => 'standard',
            'gallery_days' => 30,
        ]);
        $package = Package::factory()->create(['type' => 'reseller', 'max_events_per_year' => 1]);
        TenantPackage::factory()->create([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'used_events' => 0,
            'active' => true,
            'expires_at' => null,
        ]);

        // First event succeeds
        $response1 = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'First Event',
            'slug' => 'first-event',
            'event_date' => Carbon::now()->addDays(10)->toDateString(),
            'event_type_id' => $eventType->id,
            'package_id' => $package->id, // Use reseller package for event? Adjust if needed
        ]);

        $response1->assertStatus(201);

        $event = Event::where('tenant_id', $tenant->id)->where('slug', 'first-event')->firstOrFail();
        $this->assertDatabaseHas('event_packages', [
            'event_id' => $event->id,
            'package_id' => $includedPackage->id,
            'purchased_price' => 0.00,
        ]);

        // Second event fails due to limit
        $response2 = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'Second Event',
            'slug' => 'second-event',
            'event_date' => Carbon::now()->addDays(11)->toDateString(),
            'event_type_id' => $eventType->id,
            'package_id' => $package->id,
        ]);

        $response2->assertStatus(402)
            ->assertJsonPath('error.code', 'event_limit_exceeded');
    }

    public function test_update_event_settings_without_required_fields_succeeds(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();
        $event = Event::factory()->create([
            'tenant_id' => $tenant->id,
            'event_type_id' => $eventType->id,
            'date' => Carbon::now()->subDays(2),
            'name' => ['de' => 'Test Event', 'en' => 'Test Event'],
            'settings' => [],
        ]);

        $response = $this->authenticatedRequest('PUT', "/api/v1/tenant/events/{$event->slug}", [
            'settings' => [
                'engagement_mode' => 'photo_only',
                'guest_downloads_enabled' => false,
                'guest_sharing_enabled' => true,
            ],
        ]);

        $response->assertOk();
        $event->refresh();
        $this->assertSame('photo_only', data_get($event->settings, 'engagement_mode'));
        $this->assertFalse((bool) data_get($event->settings, 'guest_downloads_enabled'));
        $this->assertTrue((bool) data_get($event->settings, 'guest_sharing_enabled'));
    }

    public function test_create_event_rejects_unavailable_service_tier_for_partner_kontingent(): void
    {
        $tenant = $this->tenant;
        $eventType = EventType::factory()->create();

        Package::factory()->endcustomer()->create(['slug' => 'standard', 'gallery_days' => 30]);
        Package::factory()->endcustomer()->create(['slug' => 'pro', 'gallery_days' => 30]);

        $partnerPackage = Package::factory()->reseller()->create([
            'max_events_per_year' => 5,
            'included_package_slug' => 'standard',
        ]);

        TenantPackage::factory()->create([
            'tenant_id' => $tenant->id,
            'package_id' => $partnerPackage->id,
            'used_events' => 0,
            'active' => true,
            'expires_at' => null,
        ]);

        $response = $this->authenticatedRequest('POST', '/api/v1/tenant/events', [
            'name' => 'Premium Event',
            'slug' => 'premium-event',
            'event_date' => Carbon::now()->addDays(10)->toDateString(),
            'event_type_id' => $eventType->id,
            'service_package_slug' => 'pro',
        ]);

        $response->assertStatus(402)
            ->assertJsonPath('error.code', 'event_tier_unavailable');
    }

    public function test_update_event_accepts_live_show_settings(): void
    {
        $eventType = EventType::factory()->create();
        $event = Event::factory()->for($this->tenant)->create([
            'event_type_id' => $eventType->id,
            'name' => 'Live Show Event',
            'slug' => 'live-show-settings',
            'date' => now()->addDays(5),
        ]);

        $response = $this->authenticatedRequest('PUT', "/api/v1/tenant/events/{$event->slug}", [
            'name' => 'Live Show Event',
            'event_date' => now()->addDays(5)->toDateString(),
            'event_type_id' => $eventType->id,
            'settings' => [
                'live_show' => [
                    'moderation_mode' => 'manual',
                    'retention_window_hours' => 12,
                    'playback_mode' => 'balanced',
                    'pace_mode' => 'fixed',
                    'fixed_interval_seconds' => 9,
                    'layout_mode' => 'single',
                    'effect_preset' => 'film_cut',
                    'effect_intensity' => 60,
                    'background_mode' => 'blur_last',
                ],
            ],
        ]);

        $response->assertOk();

        $event->refresh();
        $settings = $event->settings;
        $this->assertSame('manual', data_get($settings, 'live_show.moderation_mode'));
        $this->assertSame(12, data_get($settings, 'live_show.retention_window_hours'));
        $this->assertSame('balanced', data_get($settings, 'live_show.playback_mode'));
        $this->assertSame('fixed', data_get($settings, 'live_show.pace_mode'));
        $this->assertSame(9, data_get($settings, 'live_show.fixed_interval_seconds'));
        $this->assertSame('single', data_get($settings, 'live_show.layout_mode'));
        $this->assertSame('film_cut', data_get($settings, 'live_show.effect_preset'));
        $this->assertSame(60, data_get($settings, 'live_show.effect_intensity'));
        $this->assertSame('blur_last', data_get($settings, 'live_show.background_mode'));
    }

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

        $eventType = EventType::factory()->create();
        $event = Event::factory()->for($this->tenant)->create([
            'event_type_id' => $eventType->id,
            'name' => 'SVG Watermark Event',
            'slug' => 'svg-watermark',
            'date' => now()->addDays(2),
        ]);

        $svg = '<svg xmlns="http://www.w3.org/2000/svg" width="40" height="20"></svg>';
        $dataUrl = 'data:image/svg+xml;base64,'.base64_encode($svg);

        $response = $this->authenticatedRequest('PUT', "/api/v1/tenant/events/{$event->slug}", [
            'settings' => [
                'watermark' => [
                    'mode' => 'custom',
                    'asset_data_url' => $dataUrl,
                    'position' => 'bottom-right',
                ],
            ],
        ]);

        $response->assertOk();

        $event->refresh();
        $path = data_get($event->settings, 'watermark.asset');
        $this->assertSame("branding/watermarks/event-{$event->id}.svg", $path);
        Storage::disk('public')->assertExists($path);
    }

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

        $eventType = EventType::factory()->create();
        $event = Event::factory()->for($this->tenant)->create([
            'event_type_id' => $eventType->id,
            'name' => 'Watermark Preview Event',
            'slug' => 'watermark-preview',
            'date' => now()->addDays(2),
            'settings' => [
                'watermark' => [
                    'mode' => 'custom',
                    'asset' => 'branding/watermarks/event-123.png',
                ],
            ],
        ]);

        Storage::disk('public')->put('branding/watermarks/event-123.png', 'asset');

        $response = $this->authenticatedRequest('GET', "/api/v1/tenant/events/{$event->slug}");

        $response->assertOk();
        $url = (string) $response->json('data.settings.watermark.asset_url');
        $this->assertNotSame('', $url);
        $this->assertStringContainsString('/api/v1/branding/asset/branding/watermarks/event-123.png', $url);
        $this->assertStringContainsString('signature=', $url);
    }

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

        config(['watermark.base.asset' => 'branding/watermarks/base-watermark.png']);
        Storage::disk('public')->put('branding/watermarks/base-watermark.png', 'asset');

        $eventType = EventType::factory()->create();
        $event = Event::factory()->for($this->tenant)->create([
            'event_type_id' => $eventType->id,
            'name' => 'Base Watermark Preview',
            'slug' => 'base-watermark-preview',
            'date' => now()->addDays(2),
            'settings' => [],
        ]);

        $response = $this->authenticatedRequest('GET', "/api/v1/tenant/events/{$event->slug}");

        $response->assertOk();
        $this->assertSame('base', $response->json('data.settings.watermark.mode'));
        $url = (string) $response->json('data.settings.watermark.asset_url');
        $this->assertNotSame('', $url);
        $this->assertStringContainsString('/api/v1/branding/asset/branding/watermarks/base-watermark.png', $url);
        $this->assertStringContainsString('signature=', $url);
    }

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

        $eventType = EventType::factory()->create();
        $event = Event::factory()->for($this->tenant)->create([
            'event_type_id' => $eventType->id,
            'name' => 'Branding Event',
            'slug' => 'branding-event',
            'date' => now()->addDays(5),
        ]);

        $logoFile = UploadedFile::fake()->image('logo.png', 64, 64);
        $logoContents = file_get_contents($logoFile->getRealPath());
        $this->assertIsString($logoContents);
        $logoDataUrl = 'data:image/png;base64,'.base64_encode($logoContents);

        $response = $this->authenticatedRequest('PUT', "/api/v1/tenant/events/{$event->slug}", [
            'name' => 'Branding Event',
            'event_date' => now()->addDays(5)->toDateString(),
            'event_type_id' => $eventType->id,
            'settings' => [
                'branding' => [
                    'logo_data_url' => $logoDataUrl,
                    'logo' => [
                        'mode' => 'upload',
                        'value' => $logoDataUrl,
                    ],
                ],
            ],
        ]);

        $response->assertOk();

        $event->refresh();
        $logoPath = (string) data_get($event->settings, 'branding.logo_url');
        $this->assertNotEmpty($logoPath);
        Storage::disk('public')->assertExists($logoPath);
        $this->assertSame($logoPath, data_get($event->settings, 'branding.logo.value'));
        $this->assertNull(data_get($event->settings, 'branding.logo_data_url'));
    }

    public function test_upload_exceeds_package_limit_fails(): void
    {
        $tenant = $this->tenant;
        $event = Event::factory()->create(['tenant_id' => $tenant->id, 'status' => 'published']);
        $package = Package::factory()->create(['type' => 'endcustomer', 'max_photos' => 0]); // Limit 0
        EventPackage::create([
            'event_id' => $event->id,
            'package_id' => $package->id,
            'purchased_price' => $package->price,
            'used_photos' => 0,
        ]);

        Storage::fake('public');
        $token = app(EventJoinTokenService::class)->createToken($event);

        $response = $this->withHeader('X-Device-Id', 'limit-test')
            ->post("/api/v1/events/{$token->token}/upload", [
                'photo' => UploadedFile::fake()->image('limit.jpg'),
            ]);

        $response->assertStatus(402)
            ->assertJsonPath('error.code', 'photo_limit_exceeded');
    }
}