<?php

namespace Tests\Feature;

use App\Models\ShortLink;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;
use Tests\TestCase;

class LinkRedirectTest extends TestCase
{
    use RefreshDatabase;

    private function user(): User
    {
        return User::create([
            'public_id' => (string) Str::uuid(),
            'name' => 'Test',
            'email' => 'test+'.uniqid().'@example.com',
        ]);
    }

    public function test_direct_redirect_links_go_to_destination_url(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'direct1',
            'source_app' => 'link',
            'source_kind' => 'redirect',
            'is_managed_here' => true,
            'destination_url' => 'https://example.com/target',
            'is_active' => true,
        ]);

        $this->get('https://ladl.link/direct1')
            ->assertRedirect('https://example.com/target');
    }

    public function test_direct_redirect_forwards_query_string_dynamically(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'promo',
            'source_app' => 'link',
            'source_kind' => 'redirect',
            'is_managed_here' => true,
            'destination_url' => 'https://example.com/landing?ref=home',
            'is_active' => true,
        ]);

        $this->get('https://ladl.link/promo?utm_source=ig&ref=campaign')
            ->assertRedirect('https://example.com/landing?ref=campaign&utm_source=ig');
    }

    public function test_direct_redirect_appends_path_suffix_dynamically(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'docs',
            'source_app' => 'link',
            'source_kind' => 'redirect',
            'is_managed_here' => true,
            'destination_url' => 'https://example.com/help',
            'is_active' => true,
        ]);

        $this->get('https://ladl.link/docs/getting-started?src=nav')
            ->assertRedirect('https://example.com/help/getting-started?src=nav');
    }

    public function test_public_url_uses_config_domain_dynamically(): void
    {
        config(['link.public_domain' => 'go.example.test']);

        $user = $this->user();
        $link = ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'branded',
            'source_app' => 'link',
            'source_kind' => 'redirect',
            'is_managed_here' => true,
            'destination_url' => 'https://example.com',
            'is_active' => true,
        ]);

        $this->assertSame('https://go.example.test/branded', $link->publicUrl());
        $this->assertSame('go.example.test', ShortLink::publicHost());
    }

    public function test_catalog_qr_links_proxy_to_platform_instead_of_bad_destination(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'qrpage',
            'source_app' => 'qrplus',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/qrpage · Link list page',
            'is_active' => true,
        ]);

        Http::fake([
            'https://ladill.com/q/qrpage' => Http::response('<html>QR page</html>', 200),
        ]);

        $this->get('https://ladl.link/qrpage')
            ->assertOk()
            ->assertSee('QR page');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://ladill.com/q/qrpage'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });
    }

    public function test_transfer_qr_proxies_to_transfer_app_without_redirect_loop(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'mo4o0v1t',
            'source_app' => 'transfer',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/mo4o0v1t',
            'is_active' => true,
        ]);

        Http::fake([
            'https://ladill.com/q/mo4o0v1t' => Http::response('', 302, [
                'Location' => 'https://ladl.link/mo4o0v1t/transfer',
            ]),
            'https://transfer.ladill.com/q/mo4o0v1t/transfer' => Http::response('<html>Transfer files</html>', 200),
        ]);

        $this->get('https://ladl.link/mo4o0v1t')
            ->assertOk()
            ->assertSee('Transfer files');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://transfer.ladill.com/q/mo4o0v1t/transfer'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });
    }

    public function test_event_qr_falls_back_to_events_app_when_platform_returns_404(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'sales-webinar',
            'source_app' => 'events',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/sales-webinar',
            'is_active' => true,
        ]);

        Http::fake([
            'https://ladill.com/q/sales-webinar' => Http::response('Not found', 404),
            'https://events.ladill.com/q/sales-webinar' => Http::response('<html>Event page</html>', 200),
        ]);

        $this->get('https://ladl.link/sales-webinar')
            ->assertOk()
            ->assertSee('Event page');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://events.ladill.com/q/sales-webinar'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });
    }

    public function test_event_registration_confirmation_proxies_directly_to_events_app(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'sales-webinar',
            'source_app' => 'events',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/sales-webinar',
            'is_active' => true,
        ]);

        Http::fake([
            'https://events.ladill.com/q/sales-webinar/registered/QRE-TESTREF123456' => Http::response('<html>Registration confirmed</html>', 200),
        ]);

        $this->get('https://ladl.link/sales-webinar/registered/QRE-TESTREF123456')
            ->assertOk()
            ->assertSee('Registration confirmed');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://events.ladill.com/q/sales-webinar/registered/QRE-TESTREF123456'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });

        Http::assertNotSent(function ($request) {
            return str_starts_with($request->url(), 'https://ladill.com/q/sales-webinar/registered/');
        });
    }

    public function test_event_registration_post_forwards_json_body_to_events(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'sales-webinar',
            'source_app' => 'events',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/sales-webinar',
            'is_active' => true,
        ]);

        Http::fake([
            'https://events.ladill.com/q/sales-webinar/register' => function ($request) {
                $payload = json_decode($request->body(), true);

                return Http::response(json_encode([
                    'paid' => false,
                    'success_url' => 'https://ladl.link/sales-webinar/registered/QRE-TESTREF123456',
                    'badge_code' => 'BADGE123',
                ]), 200, ['Content-Type' => 'application/json']);
            },
        ]);

        $this->postJson('https://ladl.link/sales-webinar/register', [
            'tier' => 'General Admission',
            'attendee_name' => 'Jane Doe',
            'attendee_email' => 'jane@example.com',
            'attendee_phone' => '+233200000000',
        ])
            ->assertOk()
            ->assertJsonPath('success_url', 'https://ladl.link/sales-webinar/registered/QRE-TESTREF123456');

        Http::assertSent(function ($request) {
            if ($request->url() !== 'https://events.ladill.com/q/sales-webinar/register') {
                return false;
            }

            $payload = json_decode($request->body(), true);

            return is_array($payload)
                && ($payload['attendee_email'] ?? '') === 'jane@example.com'
                && ($payload['tier'] ?? '') === 'General Admission'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });
    }

    public function test_event_registration_post_does_not_require_link_app_csrf_token(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'sales-webinar',
            'source_app' => 'events',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/sales-webinar',
            'is_active' => true,
        ]);

        Http::fake([
            'https://events.ladill.com/q/sales-webinar/register' => Http::response(json_encode([
                'paid' => false,
                'success_url' => 'https://ladl.link/sales-webinar/registered/QRE-TESTREF123456',
                'badge_code' => 'BADGE123',
            ]), 200, ['Content-Type' => 'application/json']),
        ]);

        $this->postJson('https://ladl.link/sales-webinar/register', [
            'tier' => 'General Admission',
            'attendee_name' => 'Jane Doe',
            'attendee_email' => 'jane@example.com',
            'attendee_phone' => '+233200000000',
        ])
            ->assertOk()
            ->assertJsonPath('badge_code', 'BADGE123');
    }

    public function test_mini_pay_post_does_not_require_link_app_csrf_token(): void
    {
        $user = $this->user();
        ShortLink::create([
            'user_id' => $user->id,
            'slug' => 'shop-pay',
            'source_app' => 'mini',
            'source_kind' => 'qr',
            'is_managed_here' => false,
            'destination_url' => 'https://ladl.link/shop-pay',
            'is_active' => true,
        ]);

        Http::fake([
            'https://ladill.com/q/shop-pay/pay' => Http::response(json_encode([
                'checkout_url' => 'https://ladill.com/pay/momo/REF123',
                'provider' => 'mtn_momo',
            ]), 200, ['Content-Type' => 'application/json']),
        ]);

        $this->postJson('https://ladl.link/shop-pay/pay', [
            'amount' => 12.5,
            'customer_phone' => '0241234567',
        ])
            ->assertOk()
            ->assertJsonPath('provider', 'mtn_momo')
            ->assertJsonPath('checkout_url', 'https://ladill.com/pay/momo/REF123');

        Http::assertSent(function ($request) {
            if ($request->url() !== 'https://ladill.com/q/shop-pay/pay') {
                return false;
            }

            $payload = json_decode($request->body(), true);

            return is_array($payload)
                && (float) ($payload['amount'] ?? 0) === 12.5
                && ($payload['customer_phone'] ?? '') === '0241234567'
                && $request->hasHeader('X-Ladill-Internal', '1');
        });
    }
}