<?php

namespace Tests\Feature;

use App\Models\QrCode;
use App\Models\QrEventRegistration;
use App\Models\User;
use App\Services\Events\EventRegistrationService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

class LadillPayEventRegistrationTest extends TestCase
{
    use RefreshDatabase;

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

        config([
            'pay.api_url' => 'https://ladill.com/api/pay',
            'pay.api_key' => 'events-pay-test-key',
        ]);
    }

    public function test_paid_registration_uses_ladill_pay_without_merchant_gateway(): void
    {
        Http::fake([
            'https://ladill.com/api/pay/checkouts' => Http::response([
                'id' => 55,
                'reference' => 'LP-EVENTTEST0001',
                'checkout_url' => 'https://checkout.paystack.com/events-test',
                'platform_fee_minor' => 82,
                'merchant_amount_minor' => 4918,
                'provider' => 'paystack',
            ], 201),
        ]);

        $user = User::factory()->create(['public_id' => 'usr_evt_'.uniqid()]);

        $qr = QrCode::create([
            'user_id' => $user->id,
            'short_code' => 'evt'.strtolower(substr(uniqid(), -6)),
            'type' => QrCode::TYPE_EVENT,
            'label' => 'Demo Event',
            'is_active' => true,
            'payload' => [
                'content' => [
                    'name' => 'Demo Event',
                    'mode' => 'ticketing',
                    'registration_open' => true,
                    'currency' => 'GHS',
                    'tiers' => [
                        ['name' => 'General', 'price' => 50, 'capacity' => 100],
                    ],
                ],
            ],
        ]);

        $result = app(EventRegistrationService::class)->register($qr, [
            'tier' => 'General',
            'attendee_name' => 'Ada Lovelace',
            'attendee_email' => 'ada@example.com',
            'attendee_phone' => '0244111222',
        ]);

        $this->assertTrue($result['paid']);
        $this->assertSame('https://checkout.paystack.com/events-test', $result['checkout_url']);
        $this->assertSame(QrEventRegistration::STATUS_PENDING, $result['registration']->status);
        $this->assertSame('LP-EVENTTEST0001', $result['registration']->payment_reference);

        Http::assertSent(function ($request) use ($user) {
            if (! str_ends_with($request->url(), '/api/pay/checkouts')) {
                return false;
            }

            return $request->hasHeader('Authorization', 'Bearer events-pay-test-key')
                && ($request['merchant'] ?? '') === $user->public_id
                && ($request['source_service'] ?? '') === 'events'
                && ($request['fee_tier'] ?? '') === 'sales'
                && ($request['customer_email'] ?? '') === 'ada@example.com';
        });
    }

    public function test_complete_is_idempotent_for_confirmed_registration(): void
    {
        Http::fake([
            'https://ladill.com/api/pay/checkouts/verify' => Http::response([
                'reference' => 'LP-IDEMP00001',
                'status' => 'paid',
                'amount_minor' => 5000,
                'platform_fee_minor' => 75,
                'merchant_amount_minor' => 4925,
            ], 200),
        ]);

        $user = User::factory()->create(['public_id' => 'usr_idem_'.uniqid()]);
        $qr = QrCode::create([
            'user_id' => $user->id,
            'short_code' => 'idm'.strtolower(substr(uniqid(), -6)),
            'type' => QrCode::TYPE_EVENT,
            'label' => 'Idempotent Event',
            'is_active' => true,
            'payload' => [
                'content' => ['name' => 'Idempotent Event'],
            ],
        ]);

        $registration = QrEventRegistration::create([
            'qr_code_id' => $qr->id,
            'user_id' => $user->id,
            'reference' => 'QRE-IDEMP00001',
            'badge_code' => 'BADGE01',
            'tier_name' => 'General',
            'amount_minor' => 5000,
            'currency' => 'GHS',
            'attendee_name' => 'Test User',
            'attendee_email' => 'test@example.com',
            'status' => QrEventRegistration::STATUS_CONFIRMED,
            'payment_reference' => 'LP-IDEMP00001',
            'paid_at' => now(),
        ]);

        $completed = app(EventRegistrationService::class)->complete('LP-IDEMP00001');

        $this->assertSame(QrEventRegistration::STATUS_CONFIRMED, $completed->status);
        Http::assertNothingSent();
    }
}