<?php
namespace App\Repositories\Api\Access\Message;

use App\Constant\Constant;
use App\Models\User;
use App\Models\Messages;
use App\Models\MessagesThreads;
use App\Models\UserDeviceToken;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use App\Traits\PushNotificationTraits;
use Illuminate\Support\Facades\Request;
use App\Repositories\Api\Access\Message\MessageInterface;
use Carbon\Carbon;

class MessageRepository implements MessageInterface
{
    use PushNotificationTraits;

    /**
     * @param $request 
     * @return array
     */
    public function sendMessage($request)
    {
        $response = [];

        try{
            $user = loggedInUser();
            
            if($user){
                $messageThread = MessagesThreads::where([
                    ['sender_id','=',$user->id],
                    ['receiver_id','=',$request->receiver_id]
                ])->orWhere([
                    ['sender_id','=',$request->receiver_id],
                    ['receiver_id','=',$user->id]
                ])->first();

                if(!$messageThread) {
                    $messageThread = new MessagesThreads();
                    $messageThread->sender_id = $user->id;
                    $messageThread->receiver_id = $request->receiver_id;
                    $messageThread->created_at = Carbon::now();
                    $messageThread->updated_at = Carbon::now();
                    $messageThread->save();
                }
                $message = new Messages();
                $message->message_thread_id = $messageThread->id;
                $message->user_id = $user->id;
                $message->message = $request->message;
                $message->created_at = Carbon::now();
                $message->updated_at = Carbon::now();
                $message->save();

                // For getting unread messages count
                $userUnreadMessageCount = User::where('id', $request->receiver_id)->first();
                $userUnreadMessageCount->increment('unread_message_count',1); 
            
                $data = [];
                $tokens = UserDeviceToken::where('user_id',$request->receiver_id)->get()->toArray();
            
            if($tokens && $tokens > 0) {
                foreach ($tokens as $token) {
                    $data['notId'] = $message->id ?? 1;
                    $data['userToken'] = $token['token'] ?? '';
                    $data['title'] = $user->name ?? "New Message";
                    $data['body'] = $request->message;
                    $data['image'] = ($user->avatar) ? $user->avatar : url('/') . '/media/avatars/avatar0.jpg';
                    $extraData = [];
                    $extraData['id'] = $messageThread->id;
                    $extraData['avatar'] = ($user->avatar) ? $user->avatar : '';
                    $extraData['avatar_url'] = ($user->avatar) ? $user->avatar : url('/') . '/media/avatars/avatar0.jpg';
                    $extraData['user_id'] = $user->id;
                    $extraData['name'] = $user->name ?? '';
                    $extraData['unread_count'] = messagesCounter($request->receiver_id);
                    $extraData['message'] = $request->message;
                    $extraData['created_at'] = date('Y/m/d H:i:s');
                    $extraData['os'] = $token['os'] ? getPlatform($token['os']) : ''; 
                    $extraData['type'] = 'NewMessage';
                    
                    $data['extraData'] = $extraData ?? [];
                    $this->pushNotification($data, $extraData);
                }
            }
             
            if($message){
                $response['status'] = 200;
                $response['data'] = $data;
                $response['message'] = trans('auth.message.sent');
            }else{
                $response['message'] = trans('auth.message.sent');
                $response['status'] = 200;
            } 
        }
    } catch (\Exception $ex) {
        Log::error($ex);
        $response['message'] = trans('auth.something_went_wrong');
        $response['status'] = 403;
    }

    return $response;
}
    
    /**
     * @param $request 
     * @return array
     */
    public function messageThreadList($request)
{
    $response = [];

    try {
        $user = loggedInUser();

        if ($user) {
            // Make unread message count to 0
            $userUnreadMessageCount = User::find($user->id);

            if ($userUnreadMessageCount && $userUnreadMessageCount->unread_message_count != 0) {
                $userUnreadMessageCount->unread_message_count = 0;
                $userUnreadMessageCount->save();
            }

            $messageThreads = DB::table('message_threads as mt')
                ->leftJoin('users', function ($query) {
                    $query->whereRaw('(
                        CASE
                             WHEN mt.sender_id = ' . loggedInUser()->id . ' THEN mt.receiver_id = users.id
                             WHEN mt.receiver_id = ' . loggedInUser()->id . ' THEN mt.sender_id = users.id
                        END
                    )');
                })
                ->leftJoin('messages as m', function ($query) {
                    $query->on('m.message_thread_id', '=', 'mt.id')
                        ->where('m.created_at', '=', DB::raw("(select created_at from messages where message_thread_id = mt.id order by created_at DESC limit 1)"));
                })
                ->select(
                    'mt.id',
                    'users.id as user_id',
                    'users.avatar',
                    'users.name',
                    DB::raw('REPLACE(m.created_at, "-","/") as created_at'),
                    'm.message',
                    DB::raw('(
                        SELECT COUNT(m.id)
                        FROM messages as m
                        WHERE m.user_id != ' . loggedInUser()->id . ' 
                          AND m.message_thread_id = mt.id
                          AND m.status = "0"
                    ) AS unread_count')
                );

                    if (isset($request->name) && !empty($request->name)) {
                        $messageThreads = $messageThreads->where('users.name', 'LIKE', "%{$request->name}%");
                    }

                    $messageThreads = $messageThreads->where(function ($q) {
                        return $q->where('receiver_id', loggedInUser()->id)
                            ->orWhere('sender_id', loggedInUser()->id);
                    })
                        ->groupBy('mt.id')
                        ->orderBy('m.created_at', 'DESC')
                        ->paginate($request->perPage ?? 20);

                    foreach ($messageThreads->items() as $key => $value) {
                        if($value->avatar) {
                            $value->avatar_url = getImage($value->avatar, Constant::USER_IMAGE_UPLOAD_PATH, '');
                        }
                    }

            $response['data'] = $messageThreads;
            $response['status'] = 200;
        }
    } catch (\Exception $ex) {
        Log::error($ex);
        $response['message'] = trans('auth.something_went_wrong');
        $response['status'] = 403;
    }

    return $response;
}

    /**
     * @param $request
     * @return array
     */
    public function messageList($request)
    {
        $response = [];

        try{
            $user = loggedInUser();
            
            if($user){
                if (isset($request->id)) {
                    $messageThread = MessagesThreads::where([
                        'id' => $request->id
                    ])->first();
                
                } else if (isset($request->user_id)) {
                    $messageThread = MessagesThreads::where([
                        ['sender_id','=',$user->id],
                        ['receiver_id','=',$request->user_id]
                    ])->orWhere([
                        ['sender_id','=',$request->user_id],
                        ['receiver_id','=',$user->id]
                    ])->first();
                }

                if($messageThread) {
                    $messages =  Messages::where('message_thread_id', '=', $messageThread->id)
                    ->select('user_id', 'message','created_at')
                    ->latest()
                    ->paginate($request->perPage ?? 20);
                    messageNotificationStatusUpdate($user->id,$messageThread->id);
                } else {
                    $messages = [];
                }
                    $response['data'] = $messages;
                    $response['status'] = 200;
                }
        
        } catch (\Exception $ex) {
            Log::error($ex);
            $response['message'] = trans('auth.something_went_wrong');
            $response['status'] = 403;
        }

        return $response;
    }

    /**
     * @param $data
     * @param $id 
     * @return array
     */
    public function searchMessage($data,$id)
    {
        $response = [];
        
        try{
            $user = loggedInUser();

            if($user){
                $messageThread = MessagesThreads::where([
                    ['sender_id','=',$user->id],
                    ['receiver_id','=',$id]
                ])->orWhere([
                    ['sender_id','=',$id],
                    ['receiver_id','=',$user->id]
                ])->first();
            
                if($messageThread) {
                    $messages = Messages::where('message_thread_id', '=', $messageThread->id)
                    ->select('user_id', 'message', 'created_at');
                }
                
                if(!empty($data['message'])){
                    $messages = $messages->where('message','like','%'.$data['message'].'%');
                }
        
                $searchMessage = $messages->get();
                $response['status'] = 200;
                $response['message'] = $searchMessage;

            }else{
                $response['message'] = trans('auth.something_went_wrong');
                $response['status'] = 401;
            }

        } catch (\Exception $ex) {
            Log::error($ex);
            $response['message'] = trans('auth.something_went_wrong');
            $response['status'] = 401;
        }

        return $response;
    }

    /**
     * @param $messageThreadId
     * @return array
     */
    public function clearMessageConversation($messageThreadId)
    {
        $response = [];
        $user = User::where('id', $messageThreadId)->first();
        
        try{
            $messageThread = MessagesThreads::where([
                ['sender_id','=',loggedInUser()->id],
                ['receiver_id','=',$messageThreadId]
            ])->orWhere([
                ['sender_id','=',$messageThreadId],
                ['receiver_id','=',loggedInUser()->id]
            ])->first();
                      
            if($messageThread) {
                $deleteMessageThread = Messages::where('message_thread_id', '=', $messageThread->id)
                    ->select('user_id', 'message', 'created_at')
                    ->delete();
                }

            if($deleteMessageThread){
                $response['message'] = trans('auth.message.clear',['username' => $user->name]);
                $response['status'] = 200;
            }else{
                $response['message'] = trans('auth.no_record_found');
                $response['status'] = 404;
            }

        } catch (\Exception $ex) {
            Log::error($ex);
            $response['message'] = trans('auth.something_went_wrong');
            $response['status'] = 401;
        }

        return $response;
    }

    /**
     * @param $messageThreadId 
     * @return array
     */
    public function deleteMessageThread($messageThreadId)
    {
        $response = [];

        try{
            $user = loggedInUser();
            $userName = User::where('id', $messageThreadId)->first();

            if($user){
                $messageThread = MessagesThreads::where([
                    ['sender_id','=',$user->id],
                    ['receiver_id','=',$messageThreadId]
                ])->orWhere([
                    ['sender_id','=',$messageThreadId],
                    ['receiver_id','=',$user->id]
                ])->first();

                if($messageThread){
                    $deleteMessage = Messages::where('message_thread_id','=', $messageThread->id)
                        ->select('user_id', 'message', 'created_at')
                        ->delete();
                
                    $messageThread = MessagesThreads::where('id','=', $messageThread->id)
                    ->select('sender_id', 'receiver_id', 'created_at')
                    ->delete();

                    if($messageThread){
                        $response['message'] = trans('auth.message.delete',['username' => $userName->name]);
                        $response['status'] = 200;
                    }else{
                        $response['message'] = trans('auth.no_record_found');
                        $response['status'] = 404;
                    }
        
                }else{
                    $response['message'] = trans('auth.no_record_found');
                    $response['status'] = 404;
                }
            }

        } catch (\Exception $ex) {
            Log::error($ex);
            $response['message'] = trans('auth.something_went_wrong');
            $response['status'] = 401;
        }
        
        return $response;
    }
}