<?php

namespace Tests\Unit;

use App\Models\CheckoutSession;
use App\Services\GiftVouchers\GiftVoucherCheckoutService;
use App\Services\LemonSqueezy\LemonSqueezyCheckoutService;
use App\Services\PayPal\PayPalOrderService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Mockery;
use Tests\TestCase;

class GiftVoucherCheckoutServiceTest extends TestCase
{
    use RefreshDatabase;

    public function test_it_lists_tiers_with_checkout_flag(): void
    {
        config()->set('gift-vouchers.provider', CheckoutSession::PROVIDER_LEMONSQUEEZY);
        config()->set('gift-vouchers.tiers', [
            ['key' => 'gift-a', 'label' => 'A', 'amount' => 10, 'currency' => 'EUR', 'lemonsqueezy_variant_id' => 'pri_a'],
            ['key' => 'gift-b', 'label' => 'B', 'amount' => 20, 'currency' => 'EUR', 'lemonsqueezy_variant_id' => null],
        ]);

        $service = $this->app->make(GiftVoucherCheckoutService::class);

        $tiers = $service->tiers();

        $this->assertCount(2, $tiers);
        $this->assertTrue($tiers[0]['can_checkout']);
        $this->assertFalse($tiers[1]['can_checkout']);
    }

    public function test_it_lists_tiers_for_paypal_currency_only(): void
    {
        config()->set('gift-vouchers.provider', CheckoutSession::PROVIDER_PAYPAL);
        config()->set('checkout.currency', 'EUR');
        config()->set('gift-vouchers.tiers', [
            ['key' => 'gift-eur', 'label' => 'EUR', 'amount' => 10, 'currency' => 'EUR', 'lemonsqueezy_variant_id' => null],
            ['key' => 'gift-usd', 'label' => 'USD', 'amount' => 20, 'currency' => 'USD', 'lemonsqueezy_variant_id' => null],
        ]);

        $service = $this->app->make(GiftVoucherCheckoutService::class);

        $tiers = $service->tiers();

        $this->assertCount(2, $tiers);
        $this->assertTrue($tiers[0]['can_checkout']);
        $this->assertFalse($tiers[1]['can_checkout']);
    }

    public function test_it_creates_checkout_link_with_metadata(): void
    {
        config()->set('gift-vouchers.provider', CheckoutSession::PROVIDER_LEMONSQUEEZY);
        config()->set('gift-vouchers.tiers', [
            ['key' => 'gift-a', 'label' => 'A', 'amount' => 10, 'currency' => 'EUR', 'lemonsqueezy_variant_id' => 'pri_a'],
        ]);

        $checkoutService = Mockery::mock(LemonSqueezyCheckoutService::class);
        $checkoutService->shouldReceive('createVariantCheckout')
            ->once()
            ->with('pri_a', Mockery::on(function (array $customData) {
                return ($customData['type'] ?? null) === 'gift_voucher'
                    && ($customData['tier_key'] ?? null) === 'gift-a'
                    && ($customData['purchaser_email'] ?? null) === 'buyer@example.com'
                    && ($customData['recipient_email'] ?? null) === 'friend@example.com'
                    && ($customData['recipient_name'] ?? null) === 'Friend'
                    && ($customData['message'] ?? null) === 'Hi';
            }), Mockery::type('array'))
            ->andReturn(['checkout_url' => 'https://lemonsqueezy.test/checkout/123', 'id' => 'chk_123']);

        $this->app->instance(LemonSqueezyCheckoutService::class, $checkoutService);

        $service = $this->app->make(GiftVoucherCheckoutService::class);

        $checkout = $service->create([
            'tier_key' => 'gift-a',
            'purchaser_email' => 'buyer@example.com',
            'recipient_email' => 'friend@example.com',
            'recipient_name' => 'Friend',
            'message' => 'Hi',
        ]);

        $this->assertSame('https://lemonsqueezy.test/checkout/123', $checkout['checkout_url']);
        $this->assertSame('chk_123', $checkout['id']);
    }

    public function test_it_creates_paypal_checkout(): void
    {
        config()->set('gift-vouchers.provider', CheckoutSession::PROVIDER_PAYPAL);
        config()->set('checkout.currency', 'EUR');
        config()->set('gift-vouchers.tiers', [
            ['key' => 'gift-a', 'label' => 'A', 'amount' => 10, 'currency' => 'EUR', 'lemonsqueezy_variant_id' => null],
        ]);

        $orders = Mockery::mock(PayPalOrderService::class);
        $orders->shouldReceive('createSimpleOrder')
            ->once()
            ->andReturn([
                'id' => 'ORDER-123',
                'links' => [
                    ['rel' => 'approve', 'href' => 'https://paypal.test/approve'],
                ],
            ]);
        $orders->shouldReceive('resolveApproveUrl')
            ->once()
            ->andReturn('https://paypal.test/approve');

        $this->app->instance(PayPalOrderService::class, $orders);

        $service = $this->app->make(GiftVoucherCheckoutService::class);

        $checkout = $service->create([
            'tier_key' => 'gift-a',
            'purchaser_email' => 'buyer@example.com',
            'recipient_email' => 'friend@example.com',
            'recipient_name' => 'Friend',
            'message' => 'Hi',
        ]);

        $this->assertSame('https://paypal.test/approve', $checkout['checkout_url']);
        $this->assertSame('ORDER-123', $checkout['id']);

        $this->assertDatabaseHas('gift_vouchers', [
            'paypal_order_id' => 'ORDER-123',
            'status' => \App\Models\GiftVoucher::STATUS_PENDING,
        ]);
    }
}