<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Models\Notification;
use App\Models\User;
use App\Helpers\Frontend;
use App\Models\Product;

class NotificationController extends Controller
{

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request)
    {
        $data['mainMenu'] = 'notificationManagement';
        $data['subMenu'] = 'notificationList';
        $admin_id = $request->session()->get('loggedIn')['id'];

        if (isset($_GET['query']) && strlen($_GET['query']) > 1) {
            $search_text = $_GET['query'];

            $data['notifications'] = DB::table('notifications')
                ->select('notifications.*', 'products.name as product_name')
                ->leftjoin('products', 'products.id', '=', 'notifications.product_id')
                ->where('title', 'LIKE', '%' . $search_text . '%')->paginate(10);
        } else {
            $data['notifications'] = DB::table('notifications')
                ->select('notifications.*', 'products.name as product_name')
                ->leftjoin('products', 'products.id', '=', 'notifications.product_id')->paginate(10);
        }

        return view('admin.notification.notification-list', $data);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create(Request $request)
    {
        $admin_id = $request->session()->get('loggedIn')['id'];
        $data['mainMenu'] = 'notificationManagement';
        $data['subMenu'] = 'addNotification';

        $data['products'] = Product::where(['status' => 1])->get();
        return view('admin.notification.add-notification', $data);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $admin_id = $request->session()->get('loggedIn')['id'];
        $request->validate([
            'product_id' => 'required',
            'title' => 'required',
            'notification' => 'required'
        ]);

        // ProductWise Notification
        if ($request->product_id > 0) {

            $fcmToken =  User::select('users.*')
                ->join('billings', 'billings.user_unique_id', '=', 'users.user_unique_id')
                ->join('orderproductgroups', 'orderproductgroups.billing_id', '=', 'billings.id')
                ->where(['orderproductgroups.product_id' => $request->product_id, 'billings.payment_status' => 'Credit'])
                ->whereNotNull('users.fcm_token')
                ->groupBy('users.id')
                ->get();

            if (!empty($fcmToken)) {
                $total = count($fcmToken);
                $pages = ceil($total / 1000);

                for ($i = 1; $i <= $pages; $i++) {
                    $a_token = array();
                    $start = 1000;
                    if ($i == 1) {

                        $fcmTokens =  User::select('users.*')
                            ->join('billings', 'billings.user_unique_id', '=', 'users.user_unique_id')
                            ->join('orderproductgroups', 'orderproductgroups.billing_id', '=', 'billings.id')
                            ->where(['orderproductgroups.product_id' => $request->product_id, 'billings.payment_status' => 'Credit'])
                            ->whereNotNull('users.fcm_token')
                            ->groupBy('users.id')
                            ->skip(0)->take($start)
                            ->get();

                        //$fcmTokens =  User::whereNotNull('fcm_token')->skip(0)->take($start)->get();
                        foreach ($fcmTokens as $value) {
                            if (!empty($value->fcm_token)) {
                                $a_token[] = $value->fcm_token;
                            }
                        }
                        $response = Frontend::PushNotification($a_token, $request->title, $request->notification);
                    } else {

                        $start1 = ($i * $start) - $start;
                        $end = ($i * $start);
                        $fcmTokens =  User::select('users.*')
                            ->join('billings', 'billings.user_unique_id', '=', 'users.user_unique_id')
                            ->join('orderproductgroups', 'orderproductgroups.billing_id', '=', 'billings.id')
                            ->where(['orderproductgroups.product_id' => $request->product_id, 'billings.payment_status' => 'Credit'])
                            ->whereNotNull('users.fcm_token')
                            ->groupBy('users.id')
                            ->skip($start1)->take($end)
                            ->get();
                        // $fcmTokens =  User::whereNotNull('fcm_token')->skip($start1)->take($end)->get();

                        foreach ($fcmTokens as $value) {
                            if (!empty($value->fcm_token)) {
                                $a_token[] = $value->fcm_token;
                            }
                        }
                        $response = Frontend::PushNotification($a_token, $request->title, $request->notification);
                    }
                }

                $data = array(
                    'title' => $request->title,
                    'notification' => $request->notification,
                    'product_id' => $request->product_id,
                    'public' => 0,
                    'created_at' => date('Y-m-d H:i:s'),
                );

                $res =  Notification::create($data);


                if ($res) {
                    return back()
                        ->with('success', 'Notification Has Been Sent!.');
                } else {
                    return back()
                        ->with('error', 'Something Went Wrong!');
                }
            }
        } else {
            // Public notification
            $fcmToken =  User::whereNotNull('fcm_token')->get();

            if (!empty($fcmToken)) {
                $total = count($fcmToken);
                $pages = ceil($total / 1000);

                for ($i = 1; $i <= $pages; $i++) {
                    $a_token = array();
                    $start = 1000;
                    if ($i == 1) {
                        $fcmTokens =  User::whereNotNull('fcm_token')->skip(0)->take($start)->get();
                        foreach ($fcmTokens as $value) {
                            if (!empty($value->fcm_token)) {
                                $a_token[] = $value->fcm_token;
                            }
                        }
                        $response = Frontend::PushNotification($a_token, $request->title, $request->notification);
                    } else {

                        $start1 = ($i * $start) - $start;
                        $end = ($i * $start);
                        $fcmTokens =  User::whereNotNull('fcm_token')->skip($start1)->take($end)->get();



                        foreach ($fcmTokens as $value) {
                            if (!empty($value->fcm_token)) {
                                $a_token[] = $value->fcm_token;
                            }
                        }
                        $response = Frontend::PushNotification($a_token, $request->title, $request->notification);
                    }
                }

                $data = array(
                    'title' => $request->title,
                    'notification' => $request->notification,
                    'product_id' => null,
                    'public' => 1,
                    'created_at' => date('Y-m-d H:i:s'),
                );

                $res =  Notification::create($data);


                if ($res) {
                    return back()
                        ->with('success', 'Notification Has Been Sent!.');
                } else {
                    return back()
                        ->with('error', 'Something Went Wrong!');
                }
            }
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        $data['mainMenu'] = 'notificationManagement';
        $data['subMenu'] = 'notificationList';

        $data['notification'] = Notification::where(['id' => $id])->first();
        return view('admin.notification.view-notification', $data);
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $data['mainMenu'] = 'notificationManagement';
        $data['subMenu'] = 'notificationList';

        $data['notification'] = Notification::where(['id' => $id])->first();

        return view('admin.notification.edit-notification', $data);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        // dd($request->input());
        $admin_id = $request->session()->get('loggedIn')['id'];
        $request->validate([
            'title' => 'required',
            'notification' => 'required',

        ]);

        $data = array(
            'title' => $request->title,
            'notification' => $request->notification,
        );

        $res = Notification::where(['id' => $id])->update($data);
        if ($res) {
            return back()
                ->with('success', $request->title . ' Has Been Added!.');
        } else {
            return back()
                ->with('error', 'Something Went Wrong!');
        }
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        Notification::where(['id' => $id])->delete();
        return back()->with('success', 'Notification deleted successfully');
    }

    // private function PushNotification($registation_ids, $title, $message, $icon)
    // {
    //     $url = 'https://fcm.googleapis.com/fcm/send';

    //     $registration_ids = $registation_ids;
    //     $title            = htmlspecialchars($title, ENT_COMPAT);
    //     $message          = htmlspecialchars($message, ENT_COMPAT);
    //     $icon             = htmlspecialchars($icon, ENT_COMPAT);

    //     // Push Datas
    //     $fields = array(
    //         "registration_ids" => $registration_ids,
    //         "notification" => array(
    //             "title" => "{$title}",
    //             "body" => "{$message}",
    //             "icon" => "{$icon}"
    //         )
    //     );

    //     // Update your Google Cloud Messaging API Key
    //     if (!defined('GOOGLE_API_KEY')) {
    //         define("GOOGLE_API_KEY", "AAAAsez_Lf0:APA91bG1RNmbdArdeKtNuLCh5kkEDPQS9N2owZC5IgFd67DBsSbFt7Ty29B3YYcHrgy1u8dNaZod1ugX0nZLLrEVazpxGf8TbzPMpO96mCydUGRJIAaTJj5zAdAKg-0NS0n-z-r0yrW_");
    //     }

    //     $headers = array(
    //         'Authorization: key=' . GOOGLE_API_KEY,
    //         'Content-Type: application/json'
    //     );

    //     $ch = curl_init();
    //     curl_setopt($ch, CURLOPT_URL, $url);
    //     curl_setopt($ch, CURLOPT_POST, true);
    //     curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    //     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    //     // curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);	
    //     //       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    //     curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));

    //     $result = curl_exec($ch);
    //     // print_r($result);exit;
    //     if ($result === false) {
    //         exit('Curl failed: ' . curl_error($ch));
    //     }
    //     curl_close($ch);

    //     return $result;
    // }
}