<?php

namespace Tests\Feature\Tenant;

use App\Models\CheckoutSession;
use App\Models\Event;
use App\Models\EventPackage;
use App\Models\EventPackageAddon;
use App\Models\Package;
use App\Services\PayPal\PayPalOrderService;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Http;
use Mockery;

class EventAddonCheckoutTest extends TenantTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        Config::set('package-addons.extra_photos_small', [
            'label' => 'Extra photos (500)',
            'variant_id' => 'var_addon_photos',
            'increments' => ['extra_photos' => 500],
        ]);
        Config::set('package-addons.provider', CheckoutSession::PROVIDER_LEMONSQUEEZY);

        Config::set('lemonsqueezy.api_key', 'test_key');
        Config::set('lemonsqueezy.base_url', 'https://api.lemonsqueezy.com/v1');
        Config::set('lemonsqueezy.store_id', 'store_123');

        // Fake Lemon Squeezy response
        Http::fake([
            'https://api.lemonsqueezy.com/v1/checkouts' => Http::response([
                'data' => [
                    'id' => 'chk_addon_123',
                    'attributes' => [
                        'url' => 'https://checkout.lemonsqueezy.test/abcd',
                    ],
                ],
            ], 200),
        ]);
    }

    public function test_checkout_creates_pending_addon_record(): void
    {
        $package = Package::factory()->endcustomer()->create([
            'max_photos' => 100,
            'max_guests' => 50,
            'gallery_days' => 7,
        ]);

        $event = Event::factory()->for($this->tenant)->create([
            'status' => 'published',
        ]);

        $eventPackage = EventPackage::create([
            'event_id' => $event->id,
            'package_id' => $package->id,
            'purchased_price' => $package->price,
            'purchased_at' => now(),
            'used_photos' => 0,
            'used_guests' => 0,
            'gallery_expires_at' => now()->addDays(7),
        ]);

        $response = $this->authenticatedRequest('POST', "/api/v1/tenant/events/{$event->slug}/addons/checkout", [
            'addon_key' => 'extra_photos_small',
            'quantity' => 2,
            'success_url' => 'https://app.fotospiel.test/event-admin/mobile/events/test-event/addons/success?addon_key=extra_photos_small',
            'cancel_url' => 'https://app.fotospiel.test/event-admin/mobile/events/test-event/addons',
            'accepted_terms' => true,
            'accepted_waiver' => true,
        ]);

        $response->assertOk();
        $response->assertJsonPath('checkout_id', 'chk_addon_123');

        $this->assertDatabaseHas('event_package_addons', [
            'event_package_id' => $eventPackage->id,
            'addon_key' => 'extra_photos_small',
            'status' => 'pending',
            'quantity' => 2,
            'checkout_id' => 'chk_addon_123',
        ]);

        $addon = EventPackageAddon::where('event_package_id', $eventPackage->id)->latest()->first();
        $this->assertSame(1000, $addon->extra_photos); // increments * quantity
        $this->assertSame('Extra photos (500)', $addon->metadata['label'] ?? null);
        $this->assertSame(500, $addon->metadata['increments']['extra_photos'] ?? null);
        $this->assertNull($addon->metadata['price_eur'] ?? null);
        $this->assertNotEmpty($addon->metadata['addon_intent'] ?? null);
        $this->assertStringContainsString('addon_intent=', (string) ($addon->metadata['success_url'] ?? ''));
        $this->assertStringContainsString('addon_intent=', (string) ($addon->metadata['cancel_url'] ?? ''));
    }

    public function test_paypal_checkout_creates_pending_addon_record(): void
    {
        Config::set('package-addons.provider', CheckoutSession::PROVIDER_PAYPAL);
        Config::set('checkout.currency', 'EUR');
        Config::set('package-addons.extra_photos_small.price', 12.50);

        $package = Package::factory()->endcustomer()->create([
            'max_photos' => 100,
            'max_guests' => 50,
            'gallery_days' => 7,
        ]);

        $event = Event::factory()->for($this->tenant)->create([
            'status' => 'published',
        ]);

        $eventPackage = EventPackage::create([
            'event_id' => $event->id,
            'package_id' => $package->id,
            'purchased_price' => $package->price,
            'purchased_at' => now(),
            'used_photos' => 0,
            'used_guests' => 0,
            'gallery_expires_at' => now()->addDays(7),
        ]);

        $orders = Mockery::mock(PayPalOrderService::class);
        $orders->shouldReceive('createSimpleOrder')
            ->once()
            ->andReturn([
                'id' => 'ORDER-ADDON-1',
                'links' => [
                    ['rel' => 'approve', 'href' => 'https://paypal.test/approve'],
                ],
            ]);
        $orders->shouldReceive('resolveApproveUrl')
            ->once()
            ->andReturn('https://paypal.test/approve');
        $this->app->instance(PayPalOrderService::class, $orders);

        $response = $this->authenticatedRequest('POST', "/api/v1/tenant/events/{$event->slug}/addons/checkout", [
            'addon_key' => 'extra_photos_small',
            'quantity' => 2,
            'success_url' => 'https://app.fotospiel.test/event-admin/mobile/events/test-event/addons/success?addon_key=extra_photos_small',
            'cancel_url' => 'https://app.fotospiel.test/event-admin/mobile/events/test-event/addons',
            'accepted_terms' => true,
            'accepted_waiver' => true,
        ]);

        $response->assertOk();
        $response->assertJsonPath('checkout_id', 'ORDER-ADDON-1');
        $response->assertJsonPath('checkout_url', 'https://paypal.test/approve');

        $this->assertDatabaseHas('event_package_addons', [
            'event_package_id' => $eventPackage->id,
            'addon_key' => 'extra_photos_small',
            'status' => 'pending',
            'quantity' => 2,
            'checkout_id' => 'ORDER-ADDON-1',
            'amount' => 25.00,
            'currency' => 'EUR',
        ]);

        $addon = EventPackageAddon::where('event_package_id', $eventPackage->id)->latest()->first();
        $this->assertSame(1000, $addon->extra_photos);
        $this->assertSame('Extra photos (500)', $addon->metadata['label'] ?? null);
        $this->assertSame(12.5, $addon->metadata['price_eur'] ?? null);
        $this->assertNotEmpty($addon->metadata['addon_intent'] ?? null);
        $this->assertStringContainsString('addon_intent=', (string) ($addon->metadata['paypal_success_url'] ?? ''));
        $this->assertStringContainsString('addon_intent=', (string) ($addon->metadata['paypal_cancel_url'] ?? ''));
    }

    public function test_ai_styling_checkout_persists_feature_entitlement_metadata(): void
    {
        Config::set('package-addons.provider', CheckoutSession::PROVIDER_PAYPAL);
        Config::set('checkout.currency', 'EUR');
        Config::set('package-addons.ai_styling_unlock', [
            'label' => 'AI Styling Add-on',
            'price' => 9.00,
            'increments' => [],
            'metadata' => [
                'scope' => 'feature',
            ],
        ]);

        $package = Package::factory()->endcustomer()->create([
            'max_photos' => 100,
            'max_guests' => 50,
            'gallery_days' => 7,
        ]);

        $event = Event::factory()->for($this->tenant)->create([
            'status' => 'published',
        ]);

        $eventPackage = EventPackage::create([
            'event_id' => $event->id,
            'package_id' => $package->id,
            'purchased_price' => $package->price,
            'purchased_at' => now(),
            'used_photos' => 0,
            'used_guests' => 0,
            'gallery_expires_at' => now()->addDays(7),
        ]);

        $orders = Mockery::mock(PayPalOrderService::class);
        $orders->shouldReceive('createSimpleOrder')
            ->once()
            ->andReturn([
                'id' => 'ORDER-AI-1',
                'links' => [
                    ['rel' => 'approve', 'href' => 'https://paypal.test/approve-ai'],
                ],
            ]);
        $orders->shouldReceive('resolveApproveUrl')
            ->once()
            ->andReturn('https://paypal.test/approve-ai');
        $this->app->instance(PayPalOrderService::class, $orders);

        $response = $this->authenticatedRequest('POST', "/api/v1/tenant/events/{$event->slug}/addons/checkout", [
            'addon_key' => 'ai_styling_unlock',
            'quantity' => 1,
            'accepted_terms' => true,
            'accepted_waiver' => true,
        ]);

        $response->assertOk();
        $response->assertJsonPath('checkout_id', 'ORDER-AI-1');

        $this->assertDatabaseHas('event_package_addons', [
            'event_package_id' => $eventPackage->id,
            'addon_key' => 'ai_styling_unlock',
            'status' => 'pending',
            'amount' => 9.00,
            'currency' => 'EUR',
        ]);

        $addon = EventPackageAddon::where('event_package_id', $eventPackage->id)->latest()->first();
        $this->assertSame('AI Styling Add-on', $addon->metadata['label'] ?? null);
        $this->assertSame('feature', $addon->metadata['scope'] ?? null);
        $this->assertSame(['ai_styling'], $addon->metadata['entitlements']['features'] ?? null);
        $this->assertEquals(9.0, $addon->metadata['price_eur'] ?? null);
        $this->assertSame(0, $addon->extra_photos);
        $this->assertSame(0, $addon->extra_guests);
        $this->assertSame(0, $addon->extra_gallery_days);
    }

    public function test_checkout_requires_both_legal_consents(): void
    {
        $package = Package::factory()->endcustomer()->create([
            'max_photos' => 100,
            'max_guests' => 50,
            'gallery_days' => 7,
        ]);

        $event = Event::factory()->for($this->tenant)->create([
            'status' => 'published',
        ]);

        EventPackage::create([
            'event_id' => $event->id,
            'package_id' => $package->id,
            'purchased_price' => $package->price,
            'purchased_at' => now(),
            'used_photos' => 0,
            'used_guests' => 0,
            'gallery_expires_at' => now()->addDays(7),
        ]);

        $response = $this->authenticatedRequest('POST', "/api/v1/tenant/events/{$event->slug}/addons/checkout", [
            'addon_key' => 'extra_photos_small',
            'quantity' => 1,
            'accepted_terms' => true,
        ]);

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