<?php

namespace Tests\Feature;

use App\Models\Package;
use App\Models\PackagePurchase;
use App\Models\Tenant;
use App\Models\TenantPackage;
use App\Models\User;
use App\Services\PayPal\PaypalClientFactory;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Auth;
use Mockery;
use Tests\TestCase;
use PaypalServerSdkLib\PaypalServerSdkClient;
use PaypalServerSdkLib\Controllers\OrdersController;
use PaypalServerSdkLib\Http\ApiResponse;

class PurchaseTest extends TestCase
{
    use RefreshDatabase;

    protected function tearDown(): void
    {
        Mockery::close();
        parent::tearDown();
    }

    public function test_paypal_checkout_creates_order(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage(price: 10);
        Auth::login($tenant->user);

        $apiResponse = $this->apiResponse((object) [
            'id' => 'ORDER-123',
            'links' => [
                (object) ['rel' => 'approve', 'href' => 'https://paypal.test/approve/ORDER-123'],
            ],
        ]);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('createOrder')
            ->once()
            ->andReturn($apiResponse);

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $response = $this->postJson('/paypal/create-order', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
        ]);

        $response->assertOk()
            ->assertJson([
                'id' => 'ORDER-123',
                'approve_url' => 'https://paypal.test/approve/ORDER-123',
            ]);
    }

    public function test_paypal_capture_creates_purchase_and_package(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage(price: 15);
        Auth::login($tenant->user);

        $metadata = json_encode([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'type' => 'endcustomer_event',
        ]);

        $apiResponse = $this->apiResponse((object) [
            'id' => 'ORDER-456',
            'purchaseUnits' => [
                (object) [
                    'customId' => $metadata,
                    'amount' => (object) ['value' => '15.00'],
                ],
            ],
        ]);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('captureOrder')
            ->once()
            ->andReturn($apiResponse);

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $response = $this->postJson('/paypal/capture-order', [
            'order_id' => 'ORDER-456',
        ]);

        $response->assertOk()
            ->assertJson(['status' => 'captured']);

        $this->assertDatabaseHas('package_purchases', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'provider_id' => 'ORDER-456',
            'price' => 15,
        ]);

        $this->assertDatabaseHas('tenant_packages', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'price' => 15,
            'active' => true,
        ]);

        $this->assertEquals('active', $tenant->fresh()->subscription_status);
    }

    public function test_paypal_capture_failure_returns_error(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage();
        Auth::login($tenant->user);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('captureOrder')
            ->once()
            ->andThrow(new \RuntimeException('Capture failed'));

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $response = $this->postJson('/paypal/capture-order', [
            'order_id' => 'ORDER-999',
        ]);

        $response->assertStatus(500)
            ->assertJson(['error' => 'Capture failed']);

        $this->assertDatabaseCount('package_purchases', 0);
        $this->assertDatabaseCount('tenant_packages', 0);
    }

    public function test_paypal_subscription_creation_creates_initial_records(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage(price: 99, type: 'reseller');
        Auth::login($tenant->user);

        $apiResponse = $this->apiResponse((object) [
            'id' => 'ORDER-SUB-1',
            'links' => [
                (object) ['rel' => 'approve', 'href' => 'https://paypal.test/approve/ORDER-SUB-1'],
            ],
        ]);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('createOrder')
            ->once()
            ->andReturn($apiResponse);

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $response = $this->postJson('/paypal/create-subscription', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'plan_id' => 'PLAN-123',
        ]);

        $response->assertOk()
            ->assertJson([
                'order_id' => 'ORDER-SUB-1',
                'approve_url' => 'https://paypal.test/approve/ORDER-SUB-1',
            ]);

        $this->assertDatabaseHas('tenant_packages', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'price' => 99,
            'active' => true,
        ]);

        $this->assertDatabaseHas('package_purchases', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'provider_id' => 'ORDER-SUB-1_sub_PLAN-123',
        ]);
    }

    public function test_paypal_webhook_capture_completes_purchase(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage(price: 20);

        $metadata = json_encode([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
        ]);

        $apiResponse = $this->apiResponse((object) [
            'purchaseUnits' => [
                (object) ['customId' => $metadata],
            ],
        ]);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('showOrder')
            ->andReturn($apiResponse);

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $event = [
            'event_type' => 'PAYMENT.CAPTURE.COMPLETED',
            'resource' => [
                'id' => 'CAPTURE-1',
                'order_id' => 'ORDER-WEBHOOK-1',
            ],
        ];

        $response = $this->postJson('/paypal/webhook', [
            'webhook_id' => 'WH-1',
            'webhook_event' => $event,
        ]);

        $response->assertOk()
            ->assertJson(['status' => 'SUCCESS']);

        $this->assertDatabaseHas('package_purchases', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'provider_id' => 'ORDER-WEBHOOK-1',
        ]);

        $this->assertDatabaseHas('tenant_packages', [
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
            'active' => true,
        ]);

        $this->assertEquals('active', $tenant->fresh()->subscription_status);
    }

    public function test_paypal_webhook_capture_is_idempotent(): void
    {
        [$tenant, $package] = $this->seedTenantWithPackage(price: 25);

        $metadata = json_encode([
            'tenant_id' => $tenant->id,
            'package_id' => $package->id,
        ]);

        $apiResponse = $this->apiResponse((object) [
            'purchaseUnits' => [
                (object) ['customId' => $metadata],
            ],
        ]);

        $ordersController = Mockery::mock(OrdersController::class);
        $ordersController->shouldReceive('showOrder')
            ->andReturn($apiResponse);

        $clientMock = Mockery::mock(PaypalServerSdkClient::class);
        $clientMock->shouldReceive('getOrdersController')->andReturn($ordersController);

        $factory = Mockery::mock(PaypalClientFactory::class);
        $factory->shouldReceive('make')->andReturn($clientMock);
        $this->app->instance(PaypalClientFactory::class, $factory);

        $event = [
            'event_type' => 'PAYMENT.CAPTURE.COMPLETED',
            'resource' => [
                'id' => 'CAPTURE-2',
                'order_id' => 'ORDER-WEBHOOK-2',
            ],
        ];

        $payload = [
            'webhook_id' => 'WH-3',
            'webhook_event' => $event,
        ];

        $this->postJson('/paypal/webhook', $payload)->assertOk();
        $this->postJson('/paypal/webhook', $payload)->assertOk();

        $this->assertDatabaseCount('package_purchases', 1);
        $this->assertDatabaseHas('package_purchases', [
            'provider_id' => 'ORDER-WEBHOOK-2',
        ]);
    }

    private function apiResponse(object $result, int $status = 201): ApiResponse
    {
        $response = Mockery::mock(ApiResponse::class);
        $response->shouldReceive('getStatusCode')->andReturn($status);
        $response->shouldReceive('getResult')->andReturn($result);

        return $response;
    }

    private function seedTenantWithPackage(int $price = 10, string $type = 'endcustomer'): array
    {
        $user = User::factory()->create(['email_verified_at' => now()]);
        $tenant = Tenant::factory()->create(['user_id' => $user->id]);
        $package = Package::factory()->create([
            'price' => $price,
            'type' => $type,
        ]);

        return [$tenant->fresh(), $package];
    }
}