<?php

namespace Tests\Feature;

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class AuthControllerTest extends TestCase
{
    use RefreshDatabase;

    /**
     * Test successful user registration.
     */
    public function test_user_can_register()
    {
        $response = $this->postJson('/api/auth/register', [
            'name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertStatus(201)
            ->assertJsonStructure([
                'success',
                'message',
                'data' => [
                    'user' => ['id', 'name', 'email'],
                    'token',
                ]
            ])
            ->assertJson(['success' => true]);

        $this->assertDatabaseHas('users', [
            'email' => 'john@example.com',
            'name' => 'John Doe',
        ]);
    }

    /**
     * Test registration fails with invalid email.
     */
    public function test_registration_fails_with_invalid_email()
    {
        $response = $this->postJson('/api/auth/register', [
            'name' => 'John Doe',
            'email' => 'invalid-email',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertStatus(422)
            ->assertJsonValidationErrors('email');
    }

    /**
     * Test registration fails with duplicate email.
     */
    public function test_registration_fails_with_duplicate_email()
    {
        User::factory()->create(['email' => 'john@example.com']);

        $response = $this->postJson('/api/auth/register', [
            'name' => 'Jane Doe',
            'email' => 'john@example.com',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertStatus(422)
            ->assertJsonValidationErrors('email');
    }

    /**
     * Test registration fails with mismatched passwords.
     */
    public function test_registration_fails_with_mismatched_passwords()
    {
        $response = $this->postJson('/api/auth/register', [
            'name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'password123',
            'password_confirmation' => 'different123',
        ]);

        $response->assertStatus(422)
            ->assertJsonValidationErrors('password');
    }

    /**
     * Test successful user login.
     */
    public function test_user_can_login()
    {
        $user = User::factory()->create([
            'email' => 'john@example.com',
            'password' => bcrypt('password123'),
        ]);

        $response = $this->postJson('/api/auth/login', [
            'email' => 'john@example.com',
            'password' => 'password123',
        ]);

        $response->assertStatus(200)
            ->assertJsonStructure([
                'success',
                'message',
                'data' => [
                    'user' => ['id', 'name', 'email'],
                    'token',
                ]
            ])
            ->assertJson(['success' => true]);
    }

    /**
     * Test login fails with invalid credentials.
     */
    public function test_login_fails_with_invalid_credentials()
    {
        User::factory()->create([
            'email' => 'john@example.com',
            'password' => bcrypt('password123'),
        ]);

        $response = $this->postJson('/api/auth/login', [
            'email' => 'john@example.com',
            'password' => 'wrongpassword',
        ]);

        $response->assertStatus(401)
            ->assertJson(['success' => false]);
    }

    /**
     * Test login fails with nonexistent user.
     */
    public function test_login_fails_with_nonexistent_user()
    {
        $response = $this->postJson('/api/auth/login', [
            'email' => 'nonexistent@example.com',
            'password' => 'password123',
        ]);

        $response->assertStatus(401)
            ->assertJson(['success' => false]);
    }

    /**
     * Test get current user returns authenticated user.
     */
    public function test_get_user_returns_authenticated_user()
    {
        $user = User::factory()->create();
        $token = $user->createToken('AppToken')->accessToken;

        $response = $this->getJson('/api/user', [
            'Authorization' => "Bearer $token",
        ]);

        $response->assertStatus(200)
            ->assertJsonStructure([
                'success',
                'message',
                'data' => ['id', 'name', 'email'],
            ])
            ->assertJson([
                'success' => true,
                'data' => [
                    'id' => $user->id,
                    'email' => $user->email,
                ]
            ]);
    }

    /**
     * Test get user fails without authentication.
     */
    public function test_get_user_fails_without_authentication()
    {
        $response = $this->getJson('/api/user');

        $response->assertStatus(401);
    }

    /**
     * Test successful logout.
     */
    public function test_user_can_logout()
    {
        $user = User::factory()->create();
        $token = $user->createToken('AppToken')->accessToken;

        $response = $this->postJson('/api/logout', [], [
            'Authorization' => "Bearer $token",
        ]);

        $response->assertStatus(200)
            ->assertJson(['success' => true]);
    }

    /**
     * Test logout fails without authentication.
     */
    public function test_logout_fails_without_authentication()
    {
        $response = $this->postJson('/api/logout');

        $response->assertStatus(401);
    }
}