<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Http\Traits\HasCountryBasedJobs;
use App\Models\Candidate;
use App\Providers\RouteServiceProvider;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers, HasCountryBasedJobs;

    /**
     * Show the application's login form.
     *
     * @return \Illuminate\View\View
     */
    public function showLoginForm()
    {
        $data['candidates'] = Candidate::count();

        return view('frontend.auth.login', $data);
    }

    /**
     * Handle a login request to the application.
     *
     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Http\Response|\Illuminate\Http\JsonResponse
     *
     * @throws \Illuminate\Validation\ValidationException
     */
    public function login(Request $request)
    {
        $request->validate([
            $this->username() => 'required|string',
            'password' => 'required|string',
            'g-recaptcha-response' => config('captcha.active') ? 'required|captcha' : '',
        ], [
            'g-recaptcha-response.required' => 'Please verify that you are not a robot.',
            'g-recaptcha-response.captcha' => 'Captcha error! try again later or contact site admin.',
        ]);

        // If the class is using the ThrottlesLogins trait, we can automatically throttle
        // the login attempts for this application. We'll key this by the username and
        // the IP address of the client making these requests into this application.
        if (
            method_exists($this, 'hasTooManyLoginAttempts') &&
            $this->hasTooManyLoginAttempts($request)
        ) {
            $this->fireLockoutEvent($request);

            return $this->sendLockoutResponse($request);
        }

        if ($this->attemptLogin($request)) {
            if ($request->hasSession()) {
                $request->session()->put('auth.password_confirmed_at', time());
            }

            return $this->sendLoginResponse($request);
        }

        // If the login attempt was unsuccessful we will increment the number of attempts
        // to login and redirect the user back to the login form. Of course, when this
        // user surpasses their maximum number of attempts they will get locked out.
        $this->incrementLoginAttempts($request);

        return $this->sendFailedLoginResponse($request);
    }

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = RouteServiceProvider::HOME;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    protected function guard()
    {
        return Auth::guard('user');
    }

    public function logout(Request $request)
    {
        // Define an array of session keys to retain and restore
        $sessionKeys = ['current_currency', 'current_lang', 'selected_country'];

        // Create an array to store the session data
        $sessionData = [];

        // Retain specific session data
        foreach ($sessionKeys as $key) {
            $sessionData[$key] = session($key);
        }

        $this->guard()->logout();

        $request->session()->invalidate();

        $request->session()->regenerateToken();

        // Restore specific session data
        foreach ($sessionData as $key => $value) {
            session([$key => $value]);
        }

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

    public function username()
    {
        $login = request()->input('login');

        $fieldType = filter_var($login, FILTER_VALIDATE_EMAIL) ? 'email' : 'username';
        if (preg_match('/^01[3456789]\d{8}$/', $login)) {
            $fieldType = 'phone';
        }

        request()->merge([$fieldType => $login]);

        return $fieldType;
    }
}
