<?php

namespace App\Http\Controllers\Auth;

use App\Classes\Pterodactyl;
use App\Http\Controllers\Controller;
use App\Models\User;
use App\Notifications\ReferralNotification;
use App\Providers\RouteServiceProvider;
use App\Traits\Referral;
use Carbon\Carbon;
use Illuminate\Foundation\Auth\RegistersUsers;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;

class RegisterController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Register Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles the registration of new users as well as their
    | validation and creation. By default this controller uses a trait to
    | provide this functionality without requiring any additional code.
    |
    */

    use RegistersUsers, Referral;

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

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

    /**
     * Get a validator for an incoming registration request.
     *
     * @param  array  $data
     * @return \Illuminate\Contracts\Validation\Validator
     */
    protected function validator(array $data)
    {
        $validationRules = [
            'name' => ['required', 'string', 'max:30', 'min:4', 'alpha_num', 'unique:users'],
            'email' => ['required', 'string', 'email', 'max:64', 'unique:users'],
            'password' => ['required', 'string', 'min:8', 'confirmed'],
        ];
        if (config('SETTINGS::RECAPTCHA:ENABLED') == 'true') {
            $validationRules['g-recaptcha-response'] = ['required', 'recaptcha'];
        }
        if (config('SETTINGS::SYSTEM:SHOW_TOS') == 'true') {
            $validationRules['terms'] = ['required'];
        }

        if (config('SETTINGS::SYSTEM:REGISTER_IP_CHECK', 'true') == 'true') {

            //check if ip has already made an account
            $data['ip'] = session()->get('ip') ?? request()->ip();
            if (User::where('ip', '=', request()->ip())->exists()) {
                session()->put('ip', request()->ip());
            }
            $validationRules['ip'] = ['unique:users'];

            return Validator::make($data, $validationRules, [
                'ip.unique' => 'You have already made an account! Please contact support if you think this is incorrect.',

            ]);
        }

        return Validator::make($data, $validationRules);
    }

    /**
     * Create a new user instance after a valid registration.
     *
     * @param  array  $data
     * @return User
     */
    protected function create(array $data)
    {
        $user = User::create([
            'name' => $data['name'],
            'email' => $data['email'],
            'credits' => config('SETTINGS::USER:INITIAL_CREDITS', 150),
            'server_limit' => config('SETTINGS::USER:INITIAL_SERVER_LIMIT', 1),
            'password' => Hash::make($data['password']),
            'referral_code' => $this->createReferralCode(),

        ]);

        $response = Pterodactyl::client()->post('/application/users', [
            'external_id' => App::environment('local') ? Str::random(16) : (string) $user->id,
            'username' => $user->name,
            'email' => $user->email,
            'first_name' => $user->name,
            'last_name' => $user->name,
            'password' => $data['password'],
            'root_admin' => false,
            'language' => 'en',
        ]);

        if ($response->failed()) {
            $user->delete();
            Log::error('Pterodactyl Registration Error: ' . $response->json()['errors'][0]['detail']);
            throw ValidationException::withMessages([
                'ptero_registration_error' => [__('Account already exists on Pterodactyl. Please contact the Support!')],
            ]);
        }

        $user->update([
            'pterodactyl_id' => $response->json()['attributes']['id'],
        ]);

        //INCREMENT REFERRAL-USER CREDITS
        if (!empty($data['referral_code'])) {
            $ref_code = $data['referral_code'];
            $new_user = $user->id;
            if ($ref_user = User::query()->where('referral_code', '=', $ref_code)->first()) {
                if (config('SETTINGS::REFERRAL:MODE') == 'sign-up' || config('SETTINGS::REFERRAL:MODE') == 'both') {
                    $ref_user->increment('credits', config('SETTINGS::REFERRAL::REWARD'));
                    $ref_user->notify(new ReferralNotification($ref_user->id, $new_user));

                    //LOGS REFERRALS IN THE ACTIVITY LOG
                    activity()
                        ->performedOn($user)
                        ->causedBy($ref_user)
                        ->log('gained ' . config('SETTINGS::REFERRAL::REWARD') . ' ' . config('SETTINGS::SYSTEM:CREDITS_DISPLAY_NAME') . ' for sign-up-referral of ' . $user->name . ' (ID:' . $user->id . ')');
                }
                //INSERT INTO USER_REFERRALS TABLE
                DB::table('user_referrals')->insert([
                    'referral_id' => $ref_user->id,
                    'registered_user_id' => $user->id,
                    'created_at' => Carbon::now(),
                    'updated_at' => Carbon::now(),
                ]);
            }
        }

        return $user;
    }
}