<?php

namespace App\Models\Chat;

use App\Models\ChatNotification;
use App\Models\ChatUser;
use App\Models\Facturas\FacturaModel;
use App\Models\Pedidos\PedidoModel;
use App\Models\Presupuestos\PresupuestoModel;
use App\Models\Usuarios\UserModel;
use CodeIgniter\Model;
use CodeIgniter\Database\BaseBuilder;

class ChatModel extends Model
{
    protected $table            = 'chats';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'object';
    protected $useSoftDeletes   = true;
    protected $protectFields    = true;
    protected $allowedFields    = [
        "pedido_id",
        "chat_department_id",
        "presupuesto_id",
        "factura_id",
        "title"
    ];

    protected bool $allowEmptyInserts = false;
    protected bool $updateOnlyChanged = true;

    protected array $casts = [];
    protected array $castHandlers = [];

    // Dates
    protected $useTimestamps = true;
    protected $dateFormat    = 'datetime';
    protected $createdField  = 'created_at';
    protected $updatedField  = 'updated_at';
    protected $deletedField  = 'deleted_at';

    // Validation
    protected $validationRules      = [];
    protected $validationMessages   = [];
    protected $skipValidation       = false;
    protected $cleanValidationRules = true;

    // Callbacks
    protected $allowCallbacks = true;
    protected $beforeInsert   = [];
    protected $afterInsert    = [];
    protected $beforeUpdate   = [];
    protected $afterUpdate    = [];
    protected $beforeFind     = [];
    protected $afterFind      = [];
    protected $beforeDelete   = [];
    protected $afterDelete    = [];


    public function getChat(int $chat_id): array
    {
        return $this->db->table('chats')
            ->select(
                [
                    "chats.*",
                    "chat_messages.created_at as messageCreatedAt",
                    "chat_messages.message as messageText",
                ]
            )
            ->join("chat_messages", "chats.id = chat_messages.chat_id", "left")
            ->orderBy("created_at", "desc")
            ->where("chats.id", $chat_id)
            ->get()->getResultObject();
    }
    public function getChatPresupuesto(int  $chat_department_id, int $presupuesto_id)
    {
        return $this->builder()->where("presupuesto_id", $presupuesto_id)->where("chat_department_id", $chat_department_id)->get()->getFirstRow();
    }
    public function getChatPedido(int  $chat_department_id, int $pedido_id)
    {
        return $this->builder()->where("pedido_id", $pedido_id)->where("chat_department_id", $chat_department_id)->get()->getFirstRow();
    }
    public function getChatFactura(int  $chat_department_id, int $factura_id) 
    {
        return $this->builder()->where("factura_id", $factura_id)->where("chat_department_id", $chat_department_id)->get()->getFirstRow();
    }

    public function createChatPresupuesto(int $chat_department_id, int $presupuesto_id): int
    {
        return $this->insert([
            "presupuesto_id" => $presupuesto_id,
            "chat_department_id" => $chat_department_id
        ]);
    }
    public function createChatPedido(int $chat_department_id, int $pedido_id) : int
    {

       return $this->insert([
            "pedido_id" => $pedido_id,
            "chat_department_id" => $chat_department_id
        ]);
    }
    public function createChatFactura(int $chat_department_id, int $factura_id) : int
    {

        return $this->insert([
            "factura_id" => $factura_id,
            "chat_department_id" => $chat_department_id
        ]);
    }
    public function createChatSingle() : int
    {
        return $this->insert(["chat_department_id" => null]);
    }
    public function existChatPresupuesto(int $chat_department_id, int $presupuesto_id): bool
    {
        $countChatPresupuesto = $this->builder()
            ->where("presupuesto_id", $presupuesto_id)
            ->where("chat_department_id", $chat_department_id)
            ->countAllResults();
        return $countChatPresupuesto > 0;
    }
    public function existChatPedido(int $chat_department_id, int $pedido_id): bool
    {
        $countChatPresupuesto = $this->builder()
            ->where("pedido_id", $pedido_id)
            ->where("chat_department_id", $chat_department_id)
            ->countAllResults();
        return $countChatPresupuesto > 0;
    }
    public function existChatFactura(int $chat_department_id, int $factura_id): bool
    {
        $countChatPresupuesto = $this->builder()
            ->where("factura_id", $factura_id)
            ->where("chat_department_id", $chat_department_id)
            ->countAllResults();
        return $countChatPresupuesto > 0;
    }

    public function getChatPedidosChat() : array
    {
        $query = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "pedidos.id as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("pedidos","pedidos.id = chats.pedido_id","left")
        ->get()->getResultObject();
        return $query;
    }
    
    public function getChatPresupuestosChat() : array
    {
        $query = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "presupuestos.titulo as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("presupuestos","presupuestos.id = chats.pedido_id","left")
        ->get()->getResultObject();
        return $query;
    }
    public function getChatFacturasChat() : array
    {
        $query = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "facturas.numero as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("facturas","facturas.id = chats.pedido_id","left")
        ->get()->getResultObject();
        return $query;
    }
    public function getChatSingleChat() : array
    {
        $query = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "facturas.numero as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("facturas","facturas.id = chats.pedido_id","left")
        ->get()->getResultObject();
        return $query;
    }
    public function getClienteChatPedidos(array $pedidos) : array
    {
        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "pedidos.id as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("pedidos","pedidos.id = chats.pedido_id","left")
        ->where('chats.chat_department_id is NOT NULL', NULL, FALSE);
        if(count($pedidos)>0){
            $q->whereIn("pedidos.id",$pedidos);
        }else{
            return [];
        }
        $results = $q->get()->getResultObject();
        $chatMessageModel = model(ChatMessageModel::class);
        $count = 0;
        foreach ($results as $row) {
            $messages = $chatMessageModel->get_chat_messages($row->chatId);
            foreach ($messages as $key => $message) {
                if($message->sender_id != auth()->user()->id && $message->viewed == false){
                    $count++;
                }
            }
            $row->uri = "/pedidos/edit/".$row->pedidoId;
            $row->unreadMessages=$count;
        }
        return $results;
    }
    public function getClienteChatFacturas(array $facturas) : array
    {
        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.factura_id as facturaId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "facturas.numero as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("facturas","facturas.id = chats.factura_id","left")
        ->where('chats.chat_department_id is NOT NULL', NULL, FALSE);

        if(count($facturas)>0){
            $q->whereIn("facturas.id",$facturas);
        }else{
            return [];
        }
        $results = $q->get()->getResultObject();
        $chatMessageModel = model(ChatMessageModel::class);
        $count = 0;
        foreach ($results as $row) {
            $messages = $chatMessageModel->get_chat_messages($row->chatId);
            foreach ($messages as $key => $message) {
                if($message->sender_id != auth()->user()->id && $message->viewed == false){
                    $count++;
                }
            }
            $row->uri = "/facturas/edit/".$row->facturaId;
            $row->unreadMessages=$count;
        }
        return $results;
    }
    public function getClienteChatPresupuestos(array $presupuestos) : array
    {
        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.presupuesto_id as presupuestoId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
            "presupuestos.titulo as title"
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("presupuestos","presupuestos.id = chats.presupuesto_id","left")
        ->where('chats.chat_department_id is NOT NULL', NULL, FALSE);

        if(count($presupuestos)>0){
            $q->whereIn("presupuestos.id",$presupuestos);
        }else{
            return [];
        }
        $results = $q->get()->getResultObject();
        $chatMessageModel = model(ChatMessageModel::class);
        $count = 0;
        foreach ($results as $row) {
            $messages = $chatMessageModel->get_chat_messages($row->chatId);
            foreach ($messages as $key => $message ) {
                if($message->sender_id != auth()->user()->id && $message->viewed == false){
                    $count++;
                }
            }
            $row->uri = "/presupuestos/presupuestocliente/edit/".$row->presupuestoId;
            $row->unreadMessages=$count;
        }
        
        return $results;
    }
    public function getChatDepartmentNotifications()
    {
        $chatDeparmentModel = model(ChatDeparmentModel::class);
        $chatMessageModel = model(ChatMessageModel::class);
        $presupuestoModel = model(PresupuestoModel::class);
        $facturaModel = model(FacturaModel::class);
        $pedidoModel = model(PedidoModel::class);

        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.presupuesto_id as presupuestoId",
            "chats.factura_id as facturaId",
            "chats.chat_department_id as chatDepartmentId",
            "chat_departments.display as chatDisplay",
        ])
        ->join("chat_departments","chat_departments.id = chats.chat_department_id","left")
        ->join("chat_department_users","chat_department_users.chat_department_id = chats.chat_department_id","left")
        ->where("chat_department_users.user_id",auth()->user()->id);
        $rows = $q->get()->getResultObject();
        
        
        foreach ($rows as $row) {
            $messages = $chatMessageModel->get_chat_messages($row->chatId);
            $count = 0;
            $chatDeparmentUsers = $chatDeparmentModel->getChatDepartmentUsers($row->chatDepartmentId);
            $chatDeparmentUsersId = array_map(fn($x) => $x->id,$chatDeparmentUsers);
            foreach ($messages as $m) {
                if($m->viewed == false && $m->sender_id != auth()->user()->id && in_array($m->sender_id,$chatDeparmentUsersId) == false) 
                    $count++;
            }
            if($row->presupuestoId){
                $row->model = $presupuestoModel->find($row->presupuestoId);
                $row->uri = "/presupuestoadmin/edit/".$row->presupuestoId;
                $row->title = $row->presupuestoId;
                $row->avatar = "PRE";
                $row->unreadMessages = $count;
            }
            elseif($row->pedidoId){
                $row->model = $pedidoModel->find($row->pedidoId);
                $row->uri = "/pedidos/edit/".$row->pedidoId;
                $row->title = $row->pedidoId;
                $row->avatar = "P";
                $row->unreadMessages = $count;

            }
            elseif($row->facturaId){
                $row->model = $facturaModel->find($row->facturaId);
                $row->uri = "/facturas/edit/".$row->facturaId;
                $row->avatar = "F";
                $row->title = $row->facturaId;
                $row->unreadMessages = $count;
            }
        }
        return $rows;

    }
    public function getChatInternalNotifications()
    {
        $chatMessageModel = model(ChatMessageModel::class);
        $presupuestoModel = model(PresupuestoModel::class);
        $facturaModel = model(FacturaModel::class);
        $pedidoModel = model(PedidoModel::class);
        $chatNotificationModel = model(ChatNotification::class);

        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.pedido_id as pedidoId",
            "chats.presupuesto_id as presupuestoId",
            "chats.factura_id as facturaId",
            "chats.title as chatDisplay",
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chat_notifications.user_id",auth()->user()->id)
        ->where("chat_notifications.viewed",false);
        $rows = $q->get()->getResultObject();
        $rows_new = [];
        foreach ($rows as $row) {
            $row->unreadMessages = 0;
            if($row->presupuestoId){
                $row->model = $presupuestoModel->find($row->presupuestoId);
                $row->uri = "/presupuestoadmin/edit/".$row->presupuestoId;
                $row->title = $row->presupuestoId;
                $row->avatar = "PRE";
                $row->unreadMessages = $this->countUnreadMessagePresupuesto($row->presupuestoId);
                $rows_new[] = $row;
            }
            elseif($row->pedidoId){
                $row->model = $pedidoModel->find($row->pedidoId);
                $row->uri = "/pedidos/edit/".$row->pedidoId;
                $row->title = $row->pedidoId;
                $row->avatar = "P";
                $row->unreadMessages = $this->countUnreadMessagePedido($row->pedidoId);
                $rows_new[] = $row;


            }
            elseif($row->facturaId){
                $row->model = $facturaModel->find($row->facturaId);
                $row->uri = "/facturas/edit/".$row->facturaId;
                $row->avatar = "F";
                $row->title = $row->facturaId;
                $row->unreadMessages = $this->countUnreadMessageFactura($row->facturaId);
                $rows_new[] = $row;
            }
        }
        return $rows_new;
    }
    public function getChatDirectMessageNotifications(){
        $chatMessageModel = model(ChatMessageModel::class);
        $chatNotificationModel = model(ChatNotification::class);

        $q = $this->db->table("chats")
        ->select([
            "chats.id as chatId",
            "chats.title as chatDisplay",
            "COUNT(chat_notifications.user_id) as unreadMessages"
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chats.presupuesto_id",null)
        ->where("chats.chat_department_id",null)
        ->where("chats.pedido_id",null)
        ->where("chats.factura_id",null)
        ->where("chat_notifications.viewed",false)
        ->where("chat_notifications.user_id",auth()->user()->id);
        $rows = $q->get()->getResultObject();
        $rows_new = [];
        foreach ($rows as $row) {
            if($row->chatId){
                $row->model = [];
                $row->uri = "/mensajes/internos";
                $row->avatar = "MD";
                $row->title = "MD";
                $row->chatDisplay = $this->getSenderIdFromChatMessage($row->chatId)?->username ?? "Unknown";
                $rows_new[] = $row;
            }
        }
        return $rows_new;
    }
    public function getChatInternalHebraPresupuesto(int $chat_id,int $presupuesto_id) : array
    {

        $data = [];
        $query =  $this->builder()->select([
            "chats.id as chatId",
            "chat_messages.message",
            "users.username as senderUserName",
            "chat_messages.created_at",
            "CONCAT(users.first_name,' ',users.last_name) as senderFullName",
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("users","users.id = chat_messages.sender_id","left")
        ->where("chats.id",$chat_id)
        ->where("chats.presupuesto_id",$presupuesto_id);
        $data["chatId"] = $chat_id;
        $data["messages"] = $query->get()->getResultObject();
        $data["chatTitle"] = $this->find($chat_id)->title;
        $data["users"] = $this->getChatUsers($chat_id);
        return $data;
    }
    public function getChatInternalHebraPedido($chat_id,$pedido_id){
        $data = [];
        $query =  $this->builder()->select([
            "chats.id as chatId",
            "chat_messages.message",
            "users.username as senderUserName",
            "chat_messages.created_at",
            "CONCAT(users.first_name,' ',users.last_name) as senderFullName",
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("users","users.id = chat_messages.sender_id","left")
        ->where("chats.id",$chat_id)
        ->where("chats.pedido_id",$pedido_id);
        $data["chatId"] = $chat_id;
        $data["messages"] = $query->get()->getResultObject();
        $data["chatTitle"] = $this->find($chat_id)->title;
        $data["users"] = $this->getChatUsers($chat_id);
        return $data;
    }
    public function getChatInternalHebraFactura($chat_id,$factura_id){
        $data = [];
        $query =  $this->builder()->select([
            "chats.id as chatId",
            "chat_messages.message",
            "users.username as senderUserName",
            "chat_messages.created_at",
            "CONCAT(users.first_name,' ',users.last_name) as senderFullName",
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("users","users.id = chat_messages.sender_id","left")
        ->where("chats.id",$chat_id)
        ->where("chats.factura_id",$factura_id);
        $data["chatId"] = $chat_id;
        $data["messages"] = $query->get()->getResultObject();
        $data["chatTitle"] = $this->find($chat_id)->title;
        $data["users"] = $this->getChatUsers($chat_id);
        return $data;
    }
    public function getChatUsers(int $chat_id)
    {
        $query = $this->builder()->select([
            "users.username",
            "CONCAT(users.first_name,' ',users.last_name) as userFullName",
        ])
        ->join("chat_users","chat_users.chat_id = chats.id")
        ->join("users","users.id = chat_users.user_id","left")
        ->where("chats.id",$chat_id);
        return $query->get()->getResultObject();
    }
    public function getPresupuestoHebras($presupuesto_id) : array
    {
        $data = [];
        $chats = $this->builder()->select("chats.id as chatId")
        ->where("chats.chat_department_id",null)
        ->where("chats.presupuesto_id",$presupuesto_id)->get()->getResultObject();
        foreach ($chats as $chat) {
            $data[$chat->chatId] = $this->getChatInternalHebraPresupuesto($chat->chatId,$presupuesto_id);
        }        
        return $data;
    }
    public function getPedidoHebras($pedido_id) : array
    {
        $data = [];
        $chats = $this->builder()->select("chats.id as chatId")
        ->where("chats.chat_department_id",null)
        ->where("chats.pedido_id",$pedido_id)->get()->getResultObject();
        foreach ($chats as $chat) {
            $data[$chat->chatId] = $this->getChatInternalHebraPedido($chat->chatId,$pedido_id);
        }        
        return $data;
    }
    public function getFacturaHebras($factura_id) : array
    {
        $data = [];
        $chats = $this->builder()->select("chats.id as chatId")
        ->where("chats.chat_department_id",null)
        ->where("chats.factura_id",$factura_id)->get()->getResultObject();
        foreach ($chats as $chat) {
            $data[$chat->chatId] = $this->getChatInternalHebraFactura($chat->chatId,$factura_id);
        }        
        return $data;
    }
    public function countUnreadMessagePresupuesto($presupuesto_id) : int|string
    {
        return $this->builder()->select()
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chats.presupuesto_id",$presupuesto_id)
        ->where("chat_notifications.viewed",false)
        ->where("chat_notifications.user_id",auth()->user()->id)
        ->countAllResults();
    }
    public function countUnreadMessagePedido($pedido_id) : int|string
    {
        return $this->builder()->select()
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chats.pedido_id",$pedido_id)
        ->where("chat_notifications.viewed",false)
        ->where("chat_notifications.user_id",auth()->user()->id)
        ->countAllResults();
    }
    public function countUnreadMessageFactura($factura_id) : int|string
    {
        return $this->builder()->select()
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chats.factura_id",$factura_id)
        ->where("chat_notifications.viewed",false)
        ->where("chat_notifications.user_id",auth()->user()->id)->countAllResults();
    }
    public function countUnreadMessageDirectos(int $chat_id) : int|string
    {
        return $this->builder()->select()
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id","left")
        ->where("chats.presupuesto_id",null)
        ->where("chats.pedido_id",null)
        ->where("chats.factura_id",null)
        ->where("chats.chat_department_id",null)
        ->where("chat_messages.chat_id",$chat_id)
        ->where("chat_notifications.viewed",false)
        ->where("chat_notifications.user_id",auth()->user()->id)->countAllResults();
    }
    public function getSenderIdFromChatMessage(int $chat_id)
    {
        $first_message =  $this->builder()->select()
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->where("chats.presupuesto_id",null)
        ->where("chats.pedido_id",null)
        ->where("chats.factura_id",null)
        ->where("chats.id",$chat_id)
        ->where("chat_messages.receiver_id",auth()->user()->id)->get()->getFirstRow();
        $userModel = model(UserModel::class);
        return $userModel->find($first_message->sender_id);
    }
    public function getOpenChatCliente(int $user_id) : array
    {
        $q = $this->builder()->distinct()->select([
            "users.*"
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("users","users.id = chat_messages.sender_id","left")
        ->where("chat_messages.receiver_id",$user_id);

        return $q->get()->getResultObject();
        
    }
    public function getChatDepartmentMessagesCount(int $chat_id,int $chat_department_id) : int
    {
        $q = $this->builder()->select([
            "chat_messages.id"
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id",'left')
        ->where("chats.chat_department_id",$chat_department_id)
        ->where("chats.id",$chat_id)
        ->countAllResults();
        return $q;

    }
    public function getChatFirstUser(int $chat_id) : object
    {
        $q = $this->builder()->select(["users.id",
        "CONCAT(users.first_name,' ',users.last_name) as userFullName",
        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id",'left')
        ->join("users","users.id = chat_messages.sender_id","left")
        ->where("chats.id",$chat_id)
        ->where("chat_messages.deleted_at",null)
        ->orderBy("chat_messages.created_at",'ASC');
        return $q->get()->getFirstRow();
    }
    /**
     * Check if all messages of a chat sended to an user have been viewed.
     *
     * @param integer $chat_id 
     * @param integer $user_id
     * @return boolean True : All messages readed
     */
    public function isMessageChatViewed(int $chat_id, int $user_id) : bool
    {
        $q = $this->builder()->select(["chat_notifications.id"])
        ->join("chat_messages","chat_messages.chat_id = chats.id",'left')
        ->join("chat_notifications","chat_notifications.chat_message_id = chat_messages.id",'left')
        ->where("chats.id",$chat_id)
        ->where("chat_notifications.user_id",$user_id)
        ->where("chat_notifications.viewed",false);
        $unread_messages_count = $q->countAllResults();
        if($unread_messages_count > 0){
            $result = false;
        }else{
            $result = true;
        }
        return $result;
    }

    public function getQueryDatatable(): BaseBuilder
    {
        $query = $this->builder()
            ->select([
                "chats.id",
                "chats.created_at",
                "chats.updated_at",
                "chats.title",
            ])
            ->where("chat_department_id",null)
            ->where("pedido_id",null)
            ->where("presupuesto_id",null)
            ->where("factura_id",null)
            ->where("title is NOT NULL",NULL,FALSE)
            ->orderBy("created_at", "DESC");
        return $query;
    }
    public function createNewDirectChat(string $title,string $message,array $users)
    {
        $chatMessageModel = model(ChatMessageModel::class);
        $chatNotificationModel = model(ChatNotification::class);
        $chatUserModel = model(ChatUser::class);
        $auth_user_id = auth()->user()->id;
        $chat_id = $this->insert(["title" => $title]);
        $chat_message_id = $chatMessageModel->insert([
            "chat_id" => $chat_id,
            "sender_id" => $auth_user_id,
            "receiver_id" => null,
            "message" => $message
        ]);
        $chatUserModel->insert(["chat_id" => $chat_id,"user_id" => $auth_user_id]);
        foreach ($users as $key => $user_id) {
            $chatUserModel->insert(["chat_id" => $chat_id,"user_id" => $user_id]);
            $chatNotificationModel->insert(["chat_message_id" => $chat_message_id,"user_id" => $user_id]);
        }
    }
    /**
     * Obtain users and messages from `chat_id`
     *
     * @param integer $chat_id
     * @return array 
     * [
     * "chat" => object,
     * "messages" => array ,
     * "users" => array
     * ]
     */
    public function getChatDirect(int $chat_id) : array
    {
        $auth_user = auth()->user()->id;
        $chat = $this->find($chat_id);
        $query = $this->builder()->select([
            "users.*",
        ])
        ->join("chat_users","chat_users.chat_id = chats.id")
        ->join("users","users.id = chat_users.user_id","left")
        ->where("chats.id",$chat_id);
        $users = $query->get()->getResultObject();
        $query = $this->builder()->select([
            "chat_messages.*",
            "users.first_name as sender_first_name",
            "users.last_name as sender_last_name",

        ])
        ->join("chat_messages","chat_messages.chat_id = chats.id","left")
        ->join("users","chat_messages.sender_id = users.id","left")
        ->where("chats.id",$chat_id);

        $messages = $query->get()->getResultObject();
        $validatedMessages = [];
        foreach ($messages as $key => $message) {
            if($auth_user == $message->sender_id){
                $message->pos = 'right';
                $validatedMessages[] = $message;
            }else{
                $message->pos = 'left';
                $validatedMessages[] = $message;
            }
        }
        $data = [
            "chat" => $chat,
            "users" => $users,
            "messages" => $validatedMessages
        ];
        return $data;
    }
}