<?php

use App\Models\User;

test('users can authenticate using the login screen', function () {
    installHotel();

    $user = User::factory()->create();

    // Get CSRF token from login page
    $loginPage = $this->get('/login');
    $token = session('_token');

    // Verify login page loads
    $loginPage->assertStatus(200);
    $loginPage->assertViewIs('index');
    expect($token)->not->toBeNull();
    expect($token)->toBeString();
    expect(strlen($token))->toBe(40);

    // Attempt login
    $response = $this->post('/login', [
        '_token' => $token,
        'username' => $user->username,
        'password' => 'password',
    ]);

    // Response checks
    expect($response->status())->toBe(302);
    expect($response->isRedirect())->toBeTrue();
    expect(auth()->check())->toBeTrue();
    expect(auth()->user()->id)->toBe($user->id);
    expect(auth()->user()->username)->toBe($user->username);
    expect(parse_url($response->headers->get('Location'), PHP_URL_PATH))->toBe('/user/me');

    // Session checks
    expect(session('_token'))->not->toBeNull();
    expect(session('errors'))->toBeNull();

    // Follow redirect and verify user sees dashboard
    $redirectResponse = $this->get('/user/me');
    $redirectResponse->assertStatus(200);
    $redirectResponse->assertSee($user->username);
    $redirectResponse->assertViewIs('user.me');

    // Database verification
    $this->assertDatabaseHas('users', [
        'id' => $user->id,
        'username' => $user->username,
    ]);

    // User count check
    expect(User::count())->toBe(1);
});

test('users can not authenticate with invalid password', function () {
    installHotel();

    $user = User::factory()->create();

    // Get CSRF token from login page
    $loginPage = $this->get('/login');
    $token = session('_token');

    // Verify initial state
    expect(auth()->guest())->toBeTrue();
    expect(auth()->check())->toBeFalse();

    // Attempt login with wrong password
    $response = $this->post('/login', [
        '_token' => $token,
        'username' => $user->username,
        'password' => 'wrong-password',
    ]);

    // Response checks
    expect($response->status())->toBe(302);
    expect($response->isRedirect())->toBeTrue();
    expect(auth()->guest())->toBeTrue();
    expect(auth()->check())->toBeFalse();

    // Error checks
    expect(session('errors'))->not->toBeNull();
    expect(session()->has('errors'))->toBeTrue();

    // Location check - should redirect back to login
    $location = $response->headers->get('Location');
    expect($location)->toContain('/login');

    // Database verification - user still exists
    $this->assertDatabaseHas('users', [
        'id' => $user->id,
        'username' => $user->username,
    ]);

    // User count check
    expect(User::count())->toBe(1);
});

test('login requires csrf token', function () {
    installHotel();

    $user = User::factory()->create();

    // Attempt login without CSRF token
    $response = $this->post('/login', [
        'username' => $user->username,
        'password' => 'password',
    ]);

    // Should fail with 419 (CSRF token mismatch)
    expect($response->status())->toBe(419);
    expect(auth()->guest())->toBeTrue();
});

test('login requires username', function () {
    installHotel();

    // Get CSRF token
    $this->get('/login');
    $token = session('_token');

    // Attempt login without username
    $response = $this->post('/login', [
        '_token' => $token,
        'password' => 'password',
    ]);

    expect($response->status())->toBe(302);
    expect(auth()->guest())->toBeTrue();
    expect(session('errors'))->not->toBeNull();
});

test('login requires password', function () {
    installHotel();

    $user = User::factory()->create();

    // Get CSRF token
    $this->get('/login');
    $token = session('_token');

    // Attempt login without password
    $response = $this->post('/login', [
        '_token' => $token,
        'username' => $user->username,
    ]);

    expect($response->status())->toBe(302);
    expect(auth()->guest())->toBeTrue();
    expect(session('errors'))->not->toBeNull();
});

test('login with non-existent user fails', function () {
    installHotel();

    // Get CSRF token
    $this->get('/login');
    $token = session('_token');

    // Attempt login with non-existent user
    $response = $this->post('/login', [
        '_token' => $token,
        'username' => 'NonExistentUser',
        'password' => 'password',
    ]);

    expect($response->status())->toBe(302);
    expect(auth()->guest())->toBeTrue();
    expect(session('errors'))->not->toBeNull();

    // Database check
    expect(User::where('username', 'NonExistentUser')->count())->toBe(0);
});

test('authenticated user is redirected from login page', function () {
    installHotel();

    $user = User::factory()->create();

    // Login first
    $this->get('/login');
    $token = session('_token');
    $this->post('/login', [
        '_token' => $token,
        'username' => $user->username,
        'password' => 'password',
    ]);

    expect(auth()->check())->toBeTrue();

    // Try to access login page again
    $response = $this->get('/login');

    // Should redirect to home
    expect($response->isRedirect())->toBeTrue();
    expect($response->headers->get('Location'))->toBe('/');
});

test('user can logout', function () {
    installHotel();

    $user = User::factory()->create();

    // Login first
    $this->get('/login');
    $token = session('_token');
    $this->post('/login', [
        '_token' => $token,
        'username' => $user->username,
        'password' => 'password',
    ]);

    expect(auth()->check())->toBeTrue();

    // Logout
    $logoutResponse = $this->post('/logout', ['_token' => session('_token')]);

    expect(auth()->guest())->toBeTrue();
    expect($logoutResponse->isRedirect())->toBeTrue();
});