<?php

namespace app\Http\Controllers\Auth;

// use Auth;
use App\User;
use App\Refcode;
use GuzzleHttp\Client;

use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Support\Facades\Auth;
use Illuminate\Routing\Controller;
use App\Http\Requests\LoginRequest;
use Illuminate\Http\Request;
use Webpatser\Uuid\Uuid;
use Carbon\Carbon;

class LoginController extends Controller
{
    use AuthenticatesUsers;
    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/ghb';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    public function showLoginForm()
    {
        if(Auth::check())
        {
            return redirect('/GHbankExpo2018');
        } 
        else
        {
            return redirect('/GHbankExpo2018/login');
        }
    }
    
    public function postProcess(LoginRequest $request){
        
        $username = $request->username;
        $password = $request->password;
        if(Auth::attempt(['username' => $username, 'password'=> $password]))
        {
            return redirect()->to('/GHbankExpo2018');
        }
        else
        {
            return redirect()->back()->withErrors('ชื่อผู้หรือรหัสผ่านไม่ถูกต้อง');
        }
    }

    public function logout(Request $request){
        $request->session()->flush();
        Auth::logout();
        return redirect('/GHbankExpo2018/login');
    }

    public function loginwithoneid(Request $request)
    {
        $username = $request->input('username');
        $password = $request->input('password');
        $authenResult = $this->getAccessToken($username, $password);
        if (!$authenResult) {
           return redirect()->back()->withErrors('ชื่อผู้หรือรหัสผ่านไม่ถูกต้อง');
        }
        $this->logingIn($username);
    }

    private function getAccessToken($username, $password)
    {
        $client = new Client(['base_uri' => env('BACKEND_IP'), 'verify' => false]);
        $response = $client->post('/oauth/token', [
            'form_params' => [
                'grant_type' => 'password',
                'client_id' => env('CLIENT_ID'),
                'client_secret' => env('CLIENT_SECRET'),
                'username' => "$username",
                'password' => "$password",
                'scope' => '',
            ],
            'http_errors' => false,
        ]);
        if ($response->getStatusCode() == 200) {
            $accessToken = json_decode((string) $response->getBody(), true)['access_token'];
            $this->getUserAndCreate($accessToken, $username, $password);
            return true;    
        }
        return $response->getStatusCode() == 200 ? true : false;
    }

    private function logingIn($username)
    {
        $userModel = User::where('username', $username)->first();
        Auth::login($userModel);
        $this->sendLoginResponse(\request())->throwResponse();
    }

    private function getUserAndCreate($accessToken, $username, $password)
    {
        $client = new Client(['base_uri' => env('BACKEND_IP'), "verify" => false]);
        $response = $client->get('/api/account', [
            'headers' => ['Authorization' => 'Bearer ' . $accessToken],
            'http_errors' => false,
        ]);
        $jsonResponse = json_decode($response->getBody(), true);
        $userModel = User::where('username', "$username")->first();
        User::where('username', "$username")->update(["updated_at" => Carbon::now()]);
        if (!$userModel)
        {
            $userModel = new User();
            $userModel->id = Uuid::generate()->string;
            $userModel->username = $username;
            $userModel->password = bcrypt($password);
            $userModel->title = $jsonResponse['account_title_th'];
            $userModel->id_passport = $jsonResponse['id_card_num'];
            $userModel->birth_date = $jsonResponse['birth_date'];
            $userModel->phone = $jsonResponse['mobile'][0]['mobile_no'];
            $userModel->email = $jsonResponse['email'][0]['email'];
            $userModel->name = $jsonResponse['first_name_eng'];
            $userModel->surname = $jsonResponse['last_name_eng'];
            $userModel->nameTH = $jsonResponse['first_name_th'];
            $userModel->surnameTH = $jsonResponse['last_name_th'];
            $userModel->has_onecard = 'I';
            $userModel->status = 'one_id';
            $userModel->save();
            
        }
    }
}