<?php

namespace Tests\Feature\Integration;

use App\Domains\Attachable\Enums\AttachmentType;
use App\Domains\Attachable\Models\Attachment;
use App\Domains\Auth\Models\User;
use App\Domains\Cart\Models\Cart;
use App\Domains\Catalog\Enums\InventoryPolicy;
use App\Domains\Catalog\Models\Category;
use App\Domains\Catalog\Models\Product;
use App\Domains\Catalog\Models\ProductVariant;
use App\Domains\Integration\Models\Integration;
use App\Domains\Integration\Models\TenantIntegration;
use App\Domains\Purchase\Models\Purchase;
use App\Domains\Purchase\Services\CheckoutService;
use App\Domains\Tenant\Models\Tenant;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;
use Tests\TestCase;

class TelepagosWebhookTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();

        config(['services.integrations.secret' => 'base64:'.base64_encode(random_bytes(32))]);
        Cache::flush();
    }

    public function test_transfer_webhook_matches_pending_purchase_by_dni_and_total_amount(): void
    {
        $tenant = $this->createTenant('sonder', 'Sonder', 'sonder.com.ar');
        $this->configureTelepagosIntegration($tenant);

        $matchingUser = User::factory()->create([
            'email' => 'buyer@example.com',
        ]);
        $newerUser = User::factory()->create([
            'email' => 'buyer-2@example.com',
        ]);

        $variant = $this->createVariantForTenant('sonder', 10, '50.00');

        $matchingPurchase = $this->createPendingTransferPurchase(
            $tenant,
            $matchingUser->id,
            $variant->id,
            1,
            '12345678'
        );

        $newerPurchase = $this->createPendingTransferPurchase(
            $tenant,
            $newerUser->id,
            $variant->id,
            2,
            '12345678'
        );

        Http::fake([
            'https://api.telepagos.com.ar/v2/auth/token' => Http::response([
                'status' => 'ok',
                'token' => 'test-token',
                'expires_at' => now()->addHour()->toIso8601String(),
            ]),
            'https://api.telepagos.com.ar/v2/payment/cashin/6351' => Http::response([
                'status' => 'ok',
                'data' => [
                    'amount' => 50,
                    'operation_id' => 1,
                    'transaction_id' => 'tx-123',
                    'buyer' => [
                        'cuit' => '20123456789',
                    ],
                ],
            ]),
        ]);

        $this->postJson('/api/webhooks/telepagos/sonder', [
            'id' => '6351',
        ])->assertOk()->assertJsonPath('status', 'success');

        $this->assertDatabaseHas('compras', [
            'id' => $matchingPurchase->id,
            'status' => Purchase::STATUS_PAID,
            'payment_method' => 'transfer',
            'total' => 50,
        ]);

        $this->assertDatabaseHas('compras', [
            'id' => $newerPurchase->id,
            'status' => Purchase::STATUS_PENDING_PAYMENT,
            'payment_method' => 'transfer',
            'total' => 100,
        ]);

        $this->assertDatabaseHas('telepagos_payments', [
            'compra_id' => $matchingPurchase->id,
            'amount' => 50,
            'operation_id' => 1,
            'transaction_id' => 'tx-123',
        ]);

        $this->assertDatabaseMissing('telepagos_payments', [
            'compra_id' => $newerPurchase->id,
        ]);

        $this->assertDatabaseHas('compra_items', [
            'compra_id' => $matchingPurchase->id,
            'producto_variante_id' => $variant->id,
            'cantidad' => 1,
            'total' => 50,
        ]);

        $this->assertDatabaseHas('productos_variantes', [
            'id' => $variant->id,
            'stock_real' => 9,
            'stock_reservado' => 2,
            'cantidad_vendida' => 1,
        ]);

        $this->assertDatabaseMissing('compra_items', [
            'compra_id' => $newerPurchase->id,
        ]);

        $this->assertSoftDeleted('carritos', [
            'id' => $matchingPurchase->cart_id,
        ]);
    }

    public function test_transfer_webhook_buys_unlimited_inventory_without_reducing_real_stock(): void
    {
        $tenant = $this->createTenant('unlimited', 'Unlimited', 'unlimited.com.ar');
        $this->configureTelepagosIntegration($tenant);
        $user = User::factory()->create();
        $variant = $this->createVariantForTenant(
            'unlimited',
            0,
            '50.00',
            'service',
            InventoryPolicy::Unlimited,
        );
        $purchase = $this->createPendingTransferPurchase(
            $tenant,
            $user->id,
            $variant->id,
            3,
            '87654321',
        );

        Http::fake([
            'https://api.telepagos.com.ar/v2/auth/token' => Http::response([
                'status' => 'ok',
                'token' => 'test-token',
                'expires_at' => now()->addHour()->toIso8601String(),
            ]),
            'https://api.telepagos.com.ar/v2/payment/cashin/7000' => Http::response([
                'status' => 'ok',
                'data' => [
                    'amount' => 150,
                    'operation_id' => 1,
                    'transaction_id' => 'tx-unlimited',
                    'buyer' => ['cuit' => '20876543219'],
                ],
            ]),
        ]);

        $this->postJson('/api/webhooks/telepagos/unlimited', ['id' => '7000'])
            ->assertOk()
            ->assertJsonPath('status', 'success');

        $this->assertDatabaseHas('compras', [
            'id' => $purchase->id,
            'status' => Purchase::STATUS_PAID,
        ]);
        $this->assertDatabaseHas('productos_variantes', [
            'id' => $variant->id,
            'inventory_policy' => InventoryPolicy::Unlimited->value,
            'stock_real' => 0,
            'stock_reservado' => 0,
            'cantidad_vendida' => 3,
        ]);
    }

    private function createPendingTransferPurchase(
        Tenant $tenant,
        int $userId,
        int $variantId,
        int $quantity,
        string $dni,
    ): Purchase {
        $cart = Cart::query()->create([
            'tenant_codigo' => $tenant->codigo,
            'user_id' => $userId,
            'status' => 'active',
        ]);

        $cart->addItem($variantId, $quantity);

        /** @var CheckoutService $checkoutService */
        $checkoutService = app(CheckoutService::class);

        $purchase = $checkoutService->startCheckout($tenant, $userId, [
            'cart_id' => $cart->id,
            'dni' => $dni,
            'telefono' => '+54 9 341 555-4321',
            'nombre_apellido' => 'Juan Perez',
            'email' => 'juan.perez@example.com',
        ]);

        $purchase->update([
            'payment_method' => 'transfer',
        ]);

        $checkoutService->completePurchase($purchase);

        return $purchase->fresh();
    }

    private function configureTelepagosIntegration(Tenant $tenant): void
    {
        Integration::create([
            'integration_code' => 'telepagos_homo',
            'name' => 'Telepagos',
            'url' => 'https://api.telepagos.com.ar',
            'integration_data_schema' => [
                'username' => 'required|string',
                'password' => 'required|string',
            ],
        ]);

        TenantIntegration::create([
            'tenant_code' => $tenant->codigo,
            'integration_code' => 'telepagos_homo',
            'integration_data' => [
                'username' => 'user123',
                'password' => 'pass123',
            ],
        ]);
    }

    private function createVariantForTenant(
        string $tenantCode,
        int $stock,
        string $price,
        string $slugPrefix = 'shirt',
        InventoryPolicy $inventoryPolicy = InventoryPolicy::Tracked,
    ): ProductVariant {
        $category = Category::query()->create([
            'tenant_code' => $tenantCode,
            'nombre' => "{$slugPrefix} category {$tenantCode}",
        ]);

        $product = Product::query()->create([
            'tenant_codigo' => $tenantCode,
            'categoria_id' => $category->id,
            'slug' => "{$slugPrefix}-{$tenantCode}-".Product::query()->count(),
            'nombre' => ucfirst($slugPrefix)." {$tenantCode}",
            'descripcion' => 'Test product',
            'precio' => $price,
        ]);

        return ProductVariant::query()->create([
            'producto_id' => $product->id,
            'inventory_policy' => $inventoryPolicy->value,
            'slug' => "{$slugPrefix}-variant-".ProductVariant::query()->count(),
            'nombre' => ucfirst($slugPrefix).' Variant',
            'stock' => $stock,
            'descripcion' => 'Test variant',
            'precio' => $price,
        ])->load('product');
    }

    private function createTenant(string $codigo, string $nombre, string $dominio): Tenant
    {
        $hdrKey = (string) Str::uuid();
        $ftrKey = (string) Str::uuid();

        $headerAttachment = Attachment::create([
            'key' => $hdrKey,
            'path' => 'tenants/'.$hdrKey.'.png',
            'filename' => 'logo_header.png',
            'type' => AttachmentType::Image,
            'mime_type' => 'image/png',
        ]);
        $footerAttachment = Attachment::create([
            'key' => $ftrKey,
            'path' => 'tenants/'.$ftrKey.'.png',
            'filename' => 'logo_footer.png',
            'type' => AttachmentType::Image,
            'mime_type' => 'image/png',
        ]);

        return Tenant::create([
            'codigo' => $codigo,
            'nombre' => $nombre,
            'dominio' => $dominio,
            'primary_color' => '#111111',
            'secondary_color' => '#222222',
            'danger_color' => '#333333',
            'success_color' => '#28a745',
            'header_bg_color' => '#444444',
            'footer_bg_color' => '#444444',
            'header_logo_id' => $headerAttachment->id,
            'footer_logo_id' => $footerAttachment->id,
        ]);
    }
}