<?php
namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Member;
use Ramsey\Uuid\UuidFactory;
use Validator;
use Hash;
use Illuminate\Support\Facades\Crypt as Crypt;
use Illuminate\Support\Facades\DB;

class AuthController extends Controller {
    protected $userid;

    function __construct() {
        $userid = $this->gen_userid();
    }

    public function page_register() {
        return view('auth.register');
    }

    public function post_account_register(Request $request) {
        $res = array(
            "error" => false,
            "email" => false,
            "username"=> false,
            "password" => false
        );

        $email = $request->input('email');
        $username = $request->input('username');
        $password = $request->input('password');

        $validator = Validator::make($request->all(), [
            'email' => 'required|email|unique:members,email|max:255',
            'username' => 'required|min:5|max:25|unique:members,username',
            'password' => 'required|min:8|max:99'
        ]);

        if($validator->fails()) {
            $res["error"] = true;

            if($validator->errors()->has('email')) {
                $res["email"] = true;
            }

            if($validator->errors()->has('username')) {
                $res["username"] = true;
            }

            if($validator->errors()->has('password')) {
                $res["password"] = true;
            }
        } else {
            $d = array(
                "email" => $email,
                "username" => $username,
                "password" => $password
            );
            $this->create_account($d);

            $res = [
                "error" => false,
                "userid" => Crypt::encryptString($this->userid)
            ];

            return json_encode($res);
        }

        echo json_encode($res);
    }

    private function create_account($data) {
        $members = DB::table('members');

        if($members->where('username', $data["username"])->count() == 0 && $members->where("email",$data["email"])) {
            $members->insert(
                [
                    'email' => $data["email"],
                    'username' => $data["username"],
                    'password' => Hash::make($data["password"]),
                    'uuid' => $this->gen_uuid(),
                    'userid' => $this->userid
                ]
            );
        }
    }

    private function gen_uuid()
    {
        return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
            mt_rand(0, 0xffff), mt_rand(0, 0xffff),

            mt_rand(0, 0xffff),
            mt_rand(0, 0x0fff) | 0x4000,

            mt_rand(0, 0x3fff) | 0x8000,

            mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
        );
    }

    private function gen_userid() {
        $ret = "";
        $a = ["A","B","C","D","E","E","F","0","1","2","3","4","5","6","7","8","9"];

        for($i = 0; $i < 64; $i++) {
            $rand = rand(0,count($a));
            $ret .= $a[$rand];
        }

        return $ret;
    }