<?php

namespace Tests\Feature;

use App\Models\Character;
use App\Models\City;
use App\Models\LegalDocument;
use App\Models\User;
use App\Models\UserConsent;
use Database\Seeders\CityWorldSeeder;
use Database\Seeders\LegalDocumentSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * Registration approval workflow for citizen accounts.
 */
class CitizenApprovalTest extends TestCase
{
    use RefreshDatabase;

    /**
     * Boot legal docs + world for each test.
     */
    protected function setUp(): void
    {
        parent::setUp();
        $this->seed(LegalDocumentSeeder::class);
        $this->seed(CityWorldSeeder::class);
    }

    /**
     * Create an admin that already accepted all current legal documents.
     */
    private function makeAdmin(): User
    {
        $admin = User::factory()->admin()->create();
        foreach (LegalDocument::where('is_current', true)->pluck('id') as $docId) {
            UserConsent::create([
                'user_id' => $admin->id,
                'legal_document_id' => $docId,
                'accepted_at' => now(),
                'ip_address' => '127.0.0.1',
                'user_agent' => 'phpunit',
                'source' => 'web_form',
            ]);
        }

        return $admin;
    }

    /**
     * New registrations must start as pending, not active.
     */
    public function test_register_creates_pending_user(): void
    {
        $response = $this->post('/register', [
            'name' => 'Nova Pessoa',
            'email' => 'nova@example.com',
            'password' => 'Secret123!',
            'password_confirmation' => 'Secret123!',
            'locale' => 'pt_BR',
            'captcha' => $this->captchaForRegister(),
        ]);

        $user = User::where('email', 'nova@example.com')->first();
        $this->assertNotNull($user);
        $this->assertSame(User::STATUS_PENDING, $user->status);
        $this->assertFalse($user->is_active);
        $response->assertRedirect(route('terms.accept'));
    }

    /**
     * Pending users are sent to the approval wait screen from the dashboard.
     */
    public function test_pending_user_sees_wait_screen(): void
    {
        $user = User::factory()->pending()->create();

        $this->actingAs($user)
            ->get('/dashboard')
            ->assertRedirect(route('account.pending'));

        $this->actingAs($user)
            ->get(route('account.pending'))
            ->assertOk()
            ->assertSee(__('auth.pending_title'), false);
    }

    /**
     * Login attempt by a pending account shows the approval message.
     */
    public function test_login_rejects_pending_with_message(): void
    {
        $user = User::factory()->pending()->create(['password' => 'Secret123!']);

        $response = $this->post('/login', [
            'email' => $user->email,
            'password' => 'Secret123!',
            'captcha' => $this->captchaForLogin(),
        ]);

        $response->assertSessionHasErrors('email');
        $this->assertSame(__('auth.pending'), session('errors')->first('email'));
    }

    /**
     * Admin approval activates the account and creates the character.
     */
    public function test_admin_approval_creates_character(): void
    {
        $admin = $this->makeAdmin();
        $pending = User::factory()->pending()->create(['name' => 'Ana Silva']);

        $this->actingAs($admin)
            ->post(route('admin.citizens.approve', $pending))
            ->assertRedirect(route('admin.citizens.index'));

        $pending->refresh();
        $this->assertSame(User::STATUS_ACTIVE, $pending->status);
        $this->assertTrue($pending->is_active);

        $character = Character::query()->where('user_id', $pending->id)->first();
        $this->assertNotNull($character);
        $this->assertSame('Ana', $character->name);
        $this->assertNotNull(City::active());
        $this->assertSame(City::active()->id, $character->city_id);
    }

    /**
     * Banned accounts cannot authenticate.
     */
    public function test_banned_user_cannot_login(): void
    {
        $user = User::factory()->inactive()->create(['password' => 'Secret123!']);

        $response = $this->post('/login', [
            'email' => $user->email,
            'password' => 'Secret123!',
            'captcha' => $this->captchaForLogin(),
        ]);

        $response->assertSessionHasErrors('email');
    }

    /**
     * Solve the session math CAPTCHA for a register request.
     */
    private function captchaForRegister(): int
    {
        // Prime the session by loading the form first in real usage; in tests
        // we set the session keys directly to avoid an extra round-trip.
        $a = random_int(1, 9);
        $b = random_int(1, 9);
        session(['captcha_result' => $a + $b, 'captcha_expires_at' => now()->addMinutes(10)->getTimestamp()]);

        return $a + $b;
    }

    /**
     * Solve the session math CAPTCHA for a login request.
     */
    private function captchaForLogin(): int
    {
        return $this->captchaForRegister();
    }
}