<?php

namespace Tests\Feature;

use App\Mail\Welcome;
use App\Models\Package;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

class RegistrationTest extends TestCase
{
    use RefreshDatabase;

    private function captureLocation($response): string
    {
        $redirect = $response->headers->get('Location');
        $location = $redirect ?? $response->headers->get('X-Inertia-Location');

        return $location ?? '';
    }

    public function test_registration_creates_user_and_tenant(): void
    {
        $freePackage = Package::factory()->create(['price' => 0]);

        $response = $this->post(route('register.store'), [
            'username' => 'testuser',
            'email' => 'test@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'first_name' => 'Test',
            'last_name' => 'User',
            'address' => 'Test Address',
            'phone' => '123456789',
            'privacy_consent' => true,
            'package_id' => $freePackage->id,
        ]);

        $location = $this->captureLocation($response);
        $expected = route('verification.notice', absolute: false);

        $this->assertNotEmpty($location);
        $this->assertTrue($location === $expected || Str::endsWith($location, $expected));

        $this->assertDatabaseHas('users', [
            'username' => 'testuser',
            'email' => 'test@example.com',
            'first_name' => 'Test',
            'last_name' => 'User',
            'address' => 'Test Address',
            'phone' => '123456789',
            'role' => 'tenant_admin',
        ]);

        $user = User::where('email', 'test@example.com')->first();
        $this->assertNotNull($user->tenant);
        $this->assertDatabaseHas('tenants', [
            'user_id' => $user->id,
            'name' => 'Test User',
        ]);

        $this->assertDatabaseHas('tenant_packages', [
            'tenant_id' => $user->tenant->id,
            'package_id' => $freePackage->id,
        ]);
    }

    public function test_registration_without_package_assigns_tenant_only(): void
    {
        $response = $this->post(route('register.store'), [
            'username' => 'testuser2',
            'email' => 'test2@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'first_name' => 'Test',
            'last_name' => 'User',
            'address' => 'Test Address',
            'phone' => '123456789',
            'privacy_consent' => true,
        ]);

        $location = $this->captureLocation($response);
        $expected = route('verification.notice', absolute: false);

        $this->assertNotEmpty($location);
        $this->assertTrue($location === $expected || Str::endsWith($location, $expected));

        $user = User::where('email', 'test2@example.com')->first();
        $this->assertNotNull($user->tenant);
        $this->assertDatabaseHas('users', [
            'email' => 'test2@example.com',
            'role' => 'user',
        ]);

        $this->assertDatabaseMissing('tenant_packages', [
            'tenant_id' => $user->tenant->id,
        ]);
    }

    public function test_registration_validation_fails(): void
    {
        $response = $this->post(route('register.store'), [
            'username' => '',
            'email' => 'invalid',
            'password' => 'short',
            'password_confirmation' => 'different',
            'first_name' => '',
            'last_name' => '',
            'address' => '',
            'phone' => '',
            'privacy_consent' => false,
        ]);

        $response->assertSessionHasErrors([
            'username', 'email', 'password', 'first_name', 'last_name', 'address', 'phone', 'privacy_consent',
        ]);
    }

    public function test_registration_with_paid_package_redirects_to_checkout_flow(): void
    {
        $paidPackage = Package::factory()->create(['price' => 10.00]);

        $response = $this->post(route('register.store'), [
            'username' => 'paiduser',
            'email' => 'paid@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'first_name' => 'Paid',
            'last_name' => 'User',
            'address' => 'Paid Address',
            'phone' => '123456789',
            'privacy_consent' => true,
            'package_id' => $paidPackage->id,
        ]);

        $response->assertRedirect(route('buy.packages', [
            'locale' => 'de',
            'packageId' => $paidPackage->id,
        ]));

        $this->assertDatabaseHas('users', [
            'username' => 'paiduser',
            'email' => 'paid@example.com',
            'role' => 'user',
        ]);
    }

    public function test_registered_event_sends_welcome_email(): void
    {
        Mail::fake();

        $freePackage = Package::factory()->create(['price' => 0]);

        $this->post(route('register.store'), [
            'username' => 'testuser3',
            'email' => 'test3@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'first_name' => 'Test',
            'last_name' => 'User',
            'address' => 'Test Address',
            'phone' => '123456789',
            'privacy_consent' => true,
            'package_id' => $freePackage->id,
        ]);

        Mail::assertSent(Welcome::class, function ($mail) {
            return $mail->hasTo('test3@example.com');
        });
    }
}
