<?php

namespace App\Http\Controllers\Shop;

use App\Http\Controllers\Concerns\ManagesCaptcha;
use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rules\Password;

class AuthController extends Controller
{
    use ManagesCaptcha;

    private const LOGIN_CAPTCHA_CONTEXT = 'shop_login';
    private const REGISTER_CAPTCHA_CONTEXT = 'shop_register';

    public function showLoginForm(Request $request)
    {
        return view('shop.auth.login', [
            'captchaQuestion' => $this->buildCaptchaQuestion($request, self::LOGIN_CAPTCHA_CONTEXT),
        ]);
    }

    public function login(Request $request)
    {
        $validated = $request->validate([
            'email' => ['required', 'email'],
            'password' => ['required', 'string'],
            'captcha' => ['required', 'string', 'max:10'],
        ]);

        if (!$this->captchaIsValid($request, self::LOGIN_CAPTCHA_CONTEXT)) {
            return back()
                ->withInput($request->only('email', 'remember'))
                ->withErrors(['captcha' => 'Неверный ответ на капчу.']);
        }

        $credentials = [
            'email' => $validated['email'],
            'password' => $validated['password'],
        ];

        $remember = $request->boolean('remember');

        if (!Auth::attempt($credentials, $remember)) {
            return back()
                ->withInput($request->only('email', 'remember'))
                ->withErrors(['email' => 'Неверный email или пароль.']);
        }

        $request->session()->regenerate();
        $this->clearCaptcha($request, self::LOGIN_CAPTCHA_CONTEXT);

        return redirect()->intended(route('account'));
    }

    public function showRegisterForm(Request $request)
    {
        return view('shop.auth.register', [
            'captchaQuestion' => $this->buildCaptchaQuestion($request, self::REGISTER_CAPTCHA_CONTEXT),
        ]);
    }

    public function register(Request $request)
    {
        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'email' => ['required', 'email', 'max:255', 'unique:users,email'],
            'password' => ['required', 'confirmed', Password::defaults()],
            'captcha' => ['required', 'string', 'max:10'],
        ]);

        if (!$this->captchaIsValid($request, self::REGISTER_CAPTCHA_CONTEXT)) {
            return back()
                ->withInput($request->only('name', 'email'))
                ->withErrors(['captcha' => 'Неверный ответ на капчу.']);
        }

        $user = User::create([
            'name' => $validated['name'],
            'email' => $validated['email'],
            'password' => $validated['password'],
        ]);

        Auth::login($user);
        $request->session()->regenerate();
        $this->clearCaptcha($request, self::REGISTER_CAPTCHA_CONTEXT);

        return redirect()->route('account');
    }

    public function logout(Request $request)
    {
        Auth::logout();
        $request->session()->invalidate();
        $request->session()->regenerateToken();

        return redirect()->route('home');
    }
}