<?php

namespace Tests\Feature\Auth;

use App\Domains\Attachable\Enums\AttachmentType;
use App\Domains\Attachable\Models\Attachment;
use App\Domains\Auth\Models\LoginAttempt;
use App\Domains\Auth\Models\User;
use App\Domains\Cart\Models\Cart;
use App\Domains\Catalog\Enums\InventoryPolicy;
use App\Domains\Catalog\Models\CatalogItem;
use App\Domains\Catalog\Models\Inventory;
use App\Domains\Tenant\Models\Tenant;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Hash;
use Tests\TestCase;

class LoginControllerTest extends TestCase
{
    use RefreshDatabase;

    public function test_it_logs_in_a_user_and_returns_a_bearer_token(): void
    {
        $tenant = $this->createTenant('acme');
        $user = User::query()->create([
            'nombre_apellido' => 'Grace Hopper',
            'email' => 'grace@example.com',
            'password' => Hash::make('secret123'),
        ]);

        $response = $this->postJson('/api/login', [
            'email' => 'grace@example.com',
            'password' => 'secret123',
            'tenant_codigo' => $tenant->codigo,
        ]);

        $response
            ->assertOk()
            ->assertHeader('Content-Language', 'es')
            ->assertJsonPath('code', 'auth.login_success')
            ->assertJsonPath('message', 'Sesión iniciada correctamente.')
            ->assertJsonPath('token_type', 'Bearer')
            ->assertJsonPath('user.id', $user->id)
            ->assertJsonPath('user.nombre_apellido', 'Grace Hopper')
            ->assertJsonPath('user.email', 'grace@example.com');

        $this->assertIsString($response->json('token'));
        $this->assertNotEmpty($response->json('token'));
        $accessToken = $user->tokens()->sole();
        $this->assertTrue(
            $accessToken->expires_at->equalTo(
                $accessToken->created_at->copy()->addMinutes(config('sanctum.expiration'))
            )
        );

        $this->withHeader('Authorization', 'Bearer '.$response->json('token'))
            ->getJson('/api/me')
            ->assertOk()
            ->assertJsonPath('id', $user->id)
            ->assertJsonPath('email', 'grace@example.com');
    }

    public function test_personal_access_tokens_expire_after_twelve_hours(): void
    {
        $this->travelTo(now()->startOfSecond());

        $user = User::factory()->create();
        $token = $user->createToken('api-token')->plainTextToken;

        $this->travel(12)->hours();
        $this->travel(1)->minutes();

        $this->withHeader('Authorization', 'Bearer '.$token)
            ->getJson('/api/me')
            ->assertUnauthorized();
    }

    public function test_it_rejects_access_to_the_current_user_endpoint_without_a_token(): void
    {
        $this->getJson('/api/me')->assertUnauthorized();
    }

    public function test_it_logs_out_the_current_token(): void
    {
        $user = User::factory()->create();
        $token = $user->createToken('api-token')->plainTextToken;

        $this->withHeader('Authorization', 'Bearer '.$token)
            ->postJson('/api/logout')
            ->assertOk()
            ->assertJsonPath('code', 'auth.logout_success')
            ->assertJsonPath('message', 'Sesión cerrada correctamente.');

        $this->assertDatabaseCount('personal_access_tokens', 0);
    }

    public function test_it_returns_a_validation_error_for_invalid_credentials(): void
    {
        $tenant = $this->createTenant('acme');
        User::query()->create([
            'nombre_apellido' => 'Grace Hopper',
            'email' => 'grace@example.com',
            'password' => Hash::make('secret123'),
        ]);

        $this->withHeader('User-Agent', 'Shopit login test')
            ->postJson('/api/login', [
                'email' => 'grace@example.com',
                'password' => 'wrong-password',
                'tenant_codigo' => $tenant->codigo,
            ])->assertUnprocessable()->assertJsonValidationErrors(['email']);

        $user = User::query()->where('email', 'grace@example.com')->sole();

        $this->assertSame(1, $user->failed_login_attempts);
        $this->assertNotNull($user->last_failed_login_at);
        $this->assertDatabaseHas('login_attempts', [
            'user_id' => $user->id,
            'tenant_codigo' => $tenant->codigo,
            'outcome' => LoginAttempt::OUTCOME_INVALID_CREDENTIALS,
            'ip_address' => '127.0.0.1',
            'user_agent' => 'Shopit login test',
        ]);
    }

    public function test_it_locks_an_account_after_the_maximum_failed_attempts(): void
    {
        config([
            'login-security.max_attempts' => 3,
            'login-security.lock_minutes' => 15,
            'login-security.rate_limit_per_minute' => 100,
            'login-security.ip_rate_limit_per_minute' => 100,
        ]);
        $this->travelTo(now()->startOfSecond());

        $tenant = $this->createTenant('locked');
        $user = User::factory()->create([
            'email' => 'locked@example.com',
            'password' => Hash::make('secret123'),
        ]);
        $payload = [
            'email' => $user->email,
            'password' => 'wrong-password',
            'tenant_codigo' => $tenant->codigo,
        ];

        for ($attempt = 0; $attempt < 2; $attempt++) {
            $this->postJson('/api/login', $payload)->assertUnprocessable();
        }

        $this->postJson('/api/login', $payload)
            ->assertTooManyRequests()
            ->assertJsonPath('code', 'auth.account_locked');

        $user->refresh();
        $this->assertSame(3, $user->failed_login_attempts);
        $this->assertTrue($user->locked_until->equalTo(now()->addMinutes(15)));

        $this->postJson('/api/login', [
            ...$payload,
            'password' => 'secret123',
        ])
            ->assertTooManyRequests()
            ->assertHeader('Retry-After', '900')
            ->assertJsonPath('code', 'auth.account_locked')
            ->assertJsonPath('retry_after', 900);

        $this->assertDatabaseCount('login_attempts', 4);
        $this->assertDatabaseHas('login_attempts', [
            'user_id' => $user->id,
            'outcome' => LoginAttempt::OUTCOME_ACCOUNT_LOCKED,
        ]);
    }

    public function test_a_successful_login_resets_failures_and_is_audited(): void
    {
        $tenant = $this->createTenant('successful');
        $user = User::factory()->create([
            'email' => 'successful@example.com',
            'password' => Hash::make('secret123'),
        ]);
        $user->forceFill([
            'failed_login_attempts' => 2,
            'last_failed_login_at' => now()->subMinute(),
        ])->save();

        $this->postJson('/api/login', [
            'email' => $user->email,
            'password' => 'secret123',
            'tenant_codigo' => $tenant->codigo,
        ])->assertOk();

        $user->refresh();
        $this->assertSame(0, $user->failed_login_attempts);
        $this->assertNull($user->last_failed_login_at);
        $this->assertNull($user->locked_until);
        $this->assertDatabaseHas('login_attempts', [
            'user_id' => $user->id,
            'outcome' => LoginAttempt::OUTCOME_SUCCESS,
        ]);
    }

    public function test_an_expired_lock_allows_login_again(): void
    {
        $tenant = $this->createTenant('expired-lock');
        $user = User::factory()->create([
            'email' => 'expired@example.com',
            'password' => Hash::make('secret123'),
        ]);
        $user->forceFill([
            'failed_login_attempts' => 5,
            'last_failed_login_at' => now()->subMinutes(20),
            'locked_until' => now()->subMinute(),
        ])->save();

        $this->postJson('/api/login', [
            'email' => $user->email,
            'password' => 'secret123',
            'tenant_codigo' => $tenant->codigo,
        ])->assertOk();

        $user->refresh();
        $this->assertSame(0, $user->failed_login_attempts);
        $this->assertNull($user->locked_until);
    }

    public function test_failures_outside_the_attempt_window_start_a_new_count(): void
    {
        config(['login-security.attempt_window_minutes' => 30]);

        $tenant = $this->createTenant('attempt-window');
        $user = User::factory()->create([
            'email' => 'window@example.com',
            'password' => Hash::make('secret123'),
        ]);
        $user->forceFill([
            'failed_login_attempts' => 4,
            'last_failed_login_at' => now()->subMinutes(31),
        ])->save();

        $this->postJson('/api/login', [
            'email' => $user->email,
            'password' => 'wrong-password',
            'tenant_codigo' => $tenant->codigo,
        ])->assertUnprocessable();

        $this->assertSame(1, $user->refresh()->failed_login_attempts);
        $this->assertNull($user->locked_until);
    }

    public function test_unknown_emails_are_audited_without_storing_the_email(): void
    {
        $tenant = $this->createTenant('unknown');

        $this->postJson('/api/login', [
            'email' => 'missing@example.com',
            'password' => 'wrong-password',
            'tenant_codigo' => $tenant->codigo,
        ])->assertUnprocessable();

        $attempt = LoginAttempt::query()->sole();
        $this->assertNull($attempt->user_id);
        $this->assertSame(LoginAttempt::OUTCOME_INVALID_CREDENTIALS, $attempt->outcome);
        $this->assertSame(64, strlen($attempt->email_fingerprint));
        $this->assertStringNotContainsString('missing@example.com', $attempt->email_fingerprint);
    }

    public function test_login_is_rate_limited_by_email_and_ip(): void
    {
        config([
            'login-security.max_attempts' => 100,
            'login-security.rate_limit_per_minute' => 2,
            'login-security.ip_rate_limit_per_minute' => 100,
        ]);

        $tenant = $this->createTenant('rate-limit');
        $payload = [
            'email' => 'rate-limited@example.com',
            'password' => 'wrong-password',
            'tenant_codigo' => $tenant->codigo,
        ];

        $this->postJson('/api/login', $payload)->assertUnprocessable();
        $this->postJson('/api/login', $payload)->assertUnprocessable();
        $this->postJson('/api/login', $payload)
            ->assertTooManyRequests()
            ->assertHeader('Retry-After');

        $this->assertDatabaseCount('login_attempts', 2);
    }

    public function test_it_validates_required_login_fields(): void
    {
        $this->postJson('/api/login', [
            'email' => 'invalid-email',
            'password' => '',
        ])->assertUnprocessable()->assertJsonValidationErrors([
            'email',
            'password',
            'tenant_codigo',
        ]);
    }

    public function test_it_localizes_success_and_validation_responses_from_accept_language(): void
    {
        $tenant = $this->createTenant('acme');
        User::query()->create([
            'nombre_apellido' => 'Grace Hopper',
            'email' => 'grace@example.com',
            'password' => Hash::make('secret123'),
        ]);

        $this->withHeader('Accept-Language', 'en-US,en;q=0.9')
            ->postJson('/api/login', [
                'email' => 'grace@example.com',
                'password' => 'secret123',
                'tenant_codigo' => $tenant->codigo,
            ])
            ->assertOk()
            ->assertHeader('Content-Language', 'en')
            ->assertJsonPath('code', 'auth.login_success')
            ->assertJsonPath('message', 'Signed in successfully.');

        $this->withHeader('Accept-Language', 'en')
            ->postJson('/api/login', [])
            ->assertUnprocessable()
            ->assertHeader('Content-Language', 'en')
            ->assertJsonPath('errors.email.0', 'The email field is required.')
            ->assertJsonPath('errors.password.0', 'The password field is required.');
    }

    public function test_it_replaces_the_active_user_cart_with_the_guest_cart_on_login(): void
    {
        $tenant = $this->createTenant('acme');
        $user = User::factory()->create([
            'email' => 'grace@example.com',
            'password' => Hash::make('secret123'),
        ]);
        $catalogItem = $this->createCatalogItem($tenant);
        $userCart = Cart::query()->create([
            'tenant_codigo' => $tenant->codigo,
            'user_id' => $user->id,
            'status' => 'active',
        ]);
        $guestCart = Cart::query()->create([
            'tenant_codigo' => $tenant->codigo,
            'guest_token' => 'guest-cart-token',
            'status' => 'active',
        ]);
        $guestCart->items()->create([
            'catalog_item_id' => $catalogItem->id,
            'variant_id' => null,
            'cantidad' => 2,
        ]);

        $this->withCookie('guest_token', 'guest-cart-token')
            ->postJson('/api/login', [
                'email' => 'grace@example.com',
                'password' => 'secret123',
                'tenant_codigo' => $tenant->codigo,
            ])
            ->assertOk()
            ->assertCookieExpired('guest_token');

        $this->assertSoftDeleted('carritos', [
            'id' => $userCart->id,
            'status' => 'converted',
        ]);
        $this->assertDatabaseHas('carritos', [
            'id' => $guestCart->id,
            'user_id' => $user->id,
            'guest_token' => null,
            'status' => 'active',
        ]);
    }

    private function createCatalogItem(Tenant $tenant): CatalogItem
    {
        $inventory = Inventory::query()->create(['real_stock' => 10]);

        return CatalogItem::query()->create([
            'tenant_code' => $tenant->codigo,
            'inventory_id' => $inventory->id,
            'slug' => 'login-item-'.$tenant->codigo,
            'nombre' => 'Login item',
            'precio' => '10.00',
            'inventory_policy' => InventoryPolicy::Tracked,
        ]);
    }

    private function createTenant(string $code): Tenant
    {
        $headerLogo = $this->createAttachment("{$code}-header");
        $footerLogo = $this->createAttachment("{$code}-footer");

        return Tenant::query()->create([
            'codigo' => $code,
            'nombre' => ucfirst($code),
            'dominio' => "{$code}.local",
            'primary_color' => '#000000',
            'secondary_color' => '#000000',
            'danger_color' => '#000000',
            'success_color' => '#000000',
            'header_bg_color' => '#000000',
            'footer_bg_color' => '#000000',
            'header_logo_id' => $headerLogo->id,
            'footer_logo_id' => $footerLogo->id,
        ]);
    }

    private function createAttachment(string $name): Attachment
    {
        return Attachment::query()->create([
            'path' => "test/{$name}.png",
            'filename' => "{$name}.png",
            'type' => AttachmentType::Image,
            'mime_type' => 'image/png',
        ]);
    }
}