<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Event_email_template_model extends CI_Model {

    var $column_order = array(null, 'eet.email_tpl_name', 'eett.email_type','eet.email_tpl_creation_status','eet.email_tpl_status', 'u.first_name', null, 'eet.email_tpl_date_created'); //set column field database for datatable orderable
    var $column_search = array('CONCAT(u.first_name, " ", u.last_name)','eet.email_tpl_name'); //set column field database for datatable searchable just firstname , lastname , address are searchable
    // var $order = array('eet.email_tpl_date_created' => 'desc'); // default order

    public function __construct() {
        parent::__construct();
    }

    private function _get_datatables_query($data_source){

        $_query = ""; $_search = ""; $_ordey_by = ""; $data = array(); $select = "";

        $_query ="SELECT
                eet.email_tpl_id,
                eett.email_type,
                eett.email_type_subject,
                eet.email_type_id,
                eet.email_tpl_name,
                eet.email_tpl_subject,
                eet.email_tpl_surheader,
                eet.email_tpl_creation_status AS email_tpl_creation_status,
                eet.email_tpl_status AS email_tpl_status_,
                (CASE
                  WHEN eet.email_tpl_status = 1 THEN 'En cours de création'
                  WHEN eet.email_tpl_status = 2 THEN 'Publié'
                  ELSE 'Email n\'est pas encore créé'
                END) AS email_tpl_status,
                (CASE
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=1 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('j - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=2 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('i - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=3 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('h - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=4 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('g - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=5 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('f - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=6 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('e - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=7 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('c - ',eet.email_tpl_date_created)
                  WHEN eet.email_tpl_status = 2 AND eett.sort_order=8 AND eet.email_tpl_creation_status = 'DEFAULT' THEN CONCAT('b - ',eet.email_tpl_date_created)
                  ELSE CONCAT('a - ',eet.email_tpl_date_created)
                END) AS custom_order,
                CONCAT(u.first_name, ' ', u.last_name) as email_tpl_author,
                DATE_FORMAT(eet.email_tpl_date_created, '%d/%m/%Y %Hh%i') AS email_tpl_date_created
            FROM event_email_template eet
            LEFT JOIN event_email_template_type eett
                ON eett.email_type_id = eet.email_type_id
            LEFT JOIN user u
                ON u.user_id = eet.email_tpl_author
            WHERE
                eet.email_tpl_status IN(1,2) ";

        if(isset($data_source['order']) && !empty($data_source['order'])) { // here order processing
            if(isset($data_source['order']['0']['dir']) && !empty($data_source['order']['0']['dir'])) {
                if(isset($this->column_order[$data_source['order']['0']['column']]))
                $_ordey_by .= " ORDER BY ".$this->column_order[$data_source['order']['0']['column']]." ".$data_source['order']['0']['dir'];
            } else {
                $_ordey_by .= " ORDER BY ".key($this->order)." ".$this->order[key($this->order)];
            }
        } else if(isset($this->order) && !empty($this->order)) {
            $_ordey_by .= " ORDER BY ".key($this->order)." ".$this->order[key($this->order)];
        }

        $_ordey_by .= ($_ordey_by!="")?", ":" ORDER BY  ";
        $_ordey_by .= " custom_order DESC";

        return array("query"=>$_query.$_search.$_ordey_by, "data" =>$data);
    }

    public function get_datatables($data_source){
        $_query = $this->_get_datatables_query($data_source);
        if($data_source['length'] != -1){
            $_query["query"] .= " LIMIT ".$data_source['start'].", ".$data_source['length'];
        }
        return $this->db->query($_query["query"], $_query["data"])->result();
    }

    public function count_filtered($data_source){
        $_query = $this->_get_datatables_query($data_source);
        return $this->db->query($_query["query"], $_query["data"])->num_rows();
    }

    public function count_all($data_source){
        $_query = $this->_get_datatables_query($data_source);
        return $this->db->query($_query["query"], $_query["data"])->num_rows();
    }

    public function create_email_template($data){
        //unset default template if the template to be added is also a default one
        if($data["email_tpl_creation_status"] === "DEFAULT" && $data["email_tpl_status"] == 2) {
            $this->db->where("email_tpl_creation_status", $data["email_tpl_creation_status"]);
            $this->db->where("email_tpl_status", $data["email_tpl_status"]);
            $this->db->where("email_type_id", $data["email_type_id"]);
            $this->db->update("event_email_template", array("email_tpl_creation_status" => "CUSTOMIZED"));
        }
        $this->db->insert("event_email_template", $data);
        if($this->db->affected_rows()){
            return $this->db->insert_id();
        }
        return false;
    }

    public function update_email_template($email_tpl_id, $data){
        //unset default template if the template to be replaced is also a default one
        if($data["email_tpl_creation_status"] === "DEFAULT" && $data["email_tpl_status"] == 2) {
            $this->db->where("email_tpl_creation_status", $data["email_tpl_creation_status"]);
            $this->db->where("email_tpl_status", $data["email_tpl_status"]);
            $this->db->where("email_type_id", $data["email_type_id"]);
            $this->db->update("event_email_template", array("email_tpl_creation_status" => "CUSTOMIZED"));
        }
        $this->db->where("email_tpl_id", $email_tpl_id);
        $update = $this->db->update("event_email_template", $data);
        if($update){
            return true;
        }
        return false;
    }

    public function check_template_dependencies($email_tpl_id){
        // //check dependencies
        // $this->db->select("email_tpl_id");
        // $this->db->where("email_tpl_id", $email_tpl_id);
        // $this->db->where("email_map_status", 1);
        // $check = $this->db->get("event_email_template_map")->num_rows();
        // if($check){
        //     return true;
        // }
        // return false;
    }

    public function delete_email_tempalate($email_tpl_id){
        $this->db->where("email_tpl_id", $email_tpl_id);
        $this->db->update("event_email_template", array("email_tpl_status" => 0));
        if($this->db->affected_rows()){
            return true;
        }
        return false;
    }

    public function get_email_template_content($email_tpl_id){
        $this->db->select("email_tpl_detail,email_tpl_subject");
        $this->db->where("email_tpl_id",$email_tpl_id);
        $result = $this->db->get("event_email_template")->result();
        if($result){
            return $result;
        }
        return false;
    }

    public function check_duplicate_template_name($email_tpl_id="", $email_tpl_name){
        $this->db->select("email_tpl_id");
        if($email_tpl_id !="") {
            $this->db->where("email_tpl_id !=", $email_tpl_id);
        }
        $this->db->where("email_tpl_name", $email_tpl_name);
        $this->db->where("email_tpl_status !=", 0);
        $result = $this->db->get("event_email_template")->num_rows();

        if($result > 0){
            return true;
        }
        return false;
    }

    public function get_subscribers_data($subscriber){
        $result = $this->db->query("SELECT
            u.user_id as subscriber_id,
            u.email_address,
            CONCAT(u.first_name, ' ', u.last_name) AS subscriber,
            u.first_name AS subs_prenom,
            u.last_name AS subs_nom
          FROM
            user u
          WHERE
            user_id = ?
            LIMIT 1", array($subscriber));

        if ($result->num_rows() > 0) {
            return $result->result_array()[0];
        }
        return false;
    }

    public function list_email_type(){
        $result = $this->db->select("email_type_id, email_type")
            ->where("email_type_status",1)
            ->order_by("sort_order", "asc")
            ->get("event_email_template_type")->result();
        return $result;
    }

    public function list_email_type_with_default_setting(){
        $result = $this->db->select("email_type_id, email_type")
            ->where("email_type_status",1)
            ->where_not_in("email_type_id", array(1,2,4, 5, 6 ,7, 8))
            ->get("event_email_template_type")->result();
        return $result;
    }

    public function typeahead_email_template($data){
        $this->db->select("email_tpl_id, email_tpl_name AS name");
        $this->db->where("email_tpl_status", 2);
        $this->db->where("email_type_id", $data["email_type_id"]);
        $this->db->like("email_tpl_name", $data["search"]);
        $this->db->limit(10);
        $this->db->order_by("email_tpl_id", "desc");
        return $this->db->get("event_email_template")->result();
    }

    public function typeahead_event($data){
        $where = (isset($data["events_ids"]) && !empty($data["events_ids"]))?" AND eetmp.event_id != ".$this->db->escape($data["events_ids"]):"";
        return $this->db->query("
            SELECT event_id, title AS name,
                DATE_FORMAT(reservation_start_date, '%d/%m/%Y %Hh%m') AS reservation
            FROM
                event
            WHERE
                back_office_status IN(1,2,3)
              AND
                  title LIKE '%".$this->db->escape_like_str($data["search"])."%' ESCAPE '!'
              AND
                 event_id NOT IN(
                 SELECT eetmp.event_id
                 FROM event_email_template_mapping eetmp, event_email_template eet
                 WHERE eet.email_type_id = '".$this->db->escape_str($data["email_type_id"])."' AND eetmp.email_mapping_status = 1 ".$where."
                 )
             ORDER BY event_id desc
             LIMIT 10
        ")->result();
    }

    public function check_reset_time($email_schedule_id){
        return $this->db->query("SELECT ees.email_schedule_id
                FROM event_email_schedule ees
                LEFT JOIN event_schedule es ON es.event_schedule_id = ees.event_schedule_id
                WHERE ees.email_schedule_date <= NOW()
                AND es.start_date_time >= NOW()
                AND ees.email_schedule_status = 1
                AND ees.email_schedule_id = ?
                AND es.back_office_status IN(2,3)
                ORDER BY ees.email_schedule_id DESC
                LIMIT 1
            ", array($email_schedule_id))->num_rows();
    }

    public function get_current_event_email_template($event_id, $email_type_id, $withcontent=false, $custom_tpl_id = null){

        //check if email is disabled
        $not_disabled = $this->db->query("
            select status
            from event_schedule_email_status
            where event_id = ?
            and email_type_id = ?
            and status = 1
            limit 1
        ", array($event_id, $email_type_id))->num_rows();

        if ($custom_tpl_id !== null) {
            $email_type_id = $custom_tpl_id;
        }

        if($not_disabled > 0){

            $select = "";
            if($withcontent){
                $select = ",
                    (CASE
                        WHEN (eet.email_tpl_surheader IS NULL OR eet.email_tpl_surheader = '') THEN eet.email_tpl_detail
                        ELSE CONCAT(eet.email_tpl_surheader,' ', eet.email_tpl_detail)
                    END) AS email_tpl_detail, eet.email_tpl_subject ";
            }
            //check if there is an assigned template to this event
            $eventTPL = $this->db->query("
                SELECT
                    eet.email_tpl_id,
                    eet.email_type_id
                    ".$select."
                FROM event_email_template_mapping_by_event_schedule emap
                LEFT JOIN event_email_template eet
                    ON emap.email_tpl_id = eet.email_tpl_id
                WHERE
                    emap.event_id = ?
                    AND emap.event_id IN(
                        SELECT
                             DISTINCT eses.event_id
                        FROM event_schedule_email_status eses
                        WHERE eses.event_id = ?
                        AND eses.status = 1
                        AND eses.email_type_id = ?
                    )
                    AND emap.is_active = 1
                    AND eet.email_type_id = ?
                    AND eet.email_tpl_status = 2
                LIMIT 1
            ", array($event_id, $event_id, $email_type_id, $email_type_id));

            if ($eventTPL->num_rows()) {
                return $eventTPL->row();
            }
            
            /*Check if there is an assigned email template for the event schedule*/
            $eventSchedTPL = $this->db->query("
                SELECT
                    eet.email_tpl_id,
                    eet.email_type_id
                    ".$select."
                FROM event_email_template eet
                WHERE
                    eet.email_tpl_status = 2
                    AND eet.email_type_id = ?
                    AND eet.email_type_id IN(
                        SELECT
                            DISTINCT eses.email_type_id
                        FROM event_schedule_email_status eses
                        WHERE eses.event_id = ?
                        AND eses.status = 1
                        AND eses.email_type_id = ?
                    )
                    AND eet.email_tpl_creation_status = 'DEFAULT'
                LIMIT 1
                ", array($email_type_id, $event_id, $email_type_id));
                if ($eventSchedTPL->num_rows()) {
                    return $eventSchedTPL->row();
                }    
            /*Get globally set default email template for the email type*/
            $defaultTPL = $this->db->query("
                SELECT
                    eet.email_tpl_id,
                    eet.email_type_id
                    ".$select."
                FROM event_email_template eet
                WHERE
                    eet.email_tpl_status = 2
                    AND eet.email_type_id = ?
                    AND eet.email_tpl_creation_status = 'DEFAULT'
                LIMIT 1
                ", array($email_type_id));

            if ($defaultTPL->num_rows()) {
                return $defaultTPL->row();
            }
        }
        return array();
    }

    public function get_default_template($email_template_id){
        $default_template = $this->db->select("email_type_subject, email_type_template")
            ->from('event_email_template_type')
            ->where('email_type_id', $email_template_id)
            ->where('email_type_status', 1)
            ->limit(1)
            ->get()
            ->row();

        if($default_template){
            return $default_template;
        } else return false;
    }
    
    public function get_default_template_by_email_type_id($email_type_id){
        $default_template = $this->db->select("*")
            ->from('event_email_template')
            ->where('email_type_id', $email_type_id)
            ->where('email_tpl_creation_status', 'DEFAULT')
            ->where('email_tpl_status', 2)
            ->limit(1)
            ->get()
            ->row();

        if($default_template){
            return $default_template;
        } else return false;
    }

    public function get_customized_template_by_email_type_id($email_type_id){
        $default_template = $this->db->select("*")
            ->from('event_email_template')
            ->where('email_type_id', $email_type_id)
            ->where('email_tpl_creation_status', 'CUSTOMIZED')
            ->where('email_tpl_status', 2)
            ->limit(1)
            ->get()
            ->row();

        if($default_template){
            return $default_template;
        } else return false;
    }

	public function get_default_tmplt($email_template_id){
		$default_template = $this->db->select("email_tpl_subject, email_tpl_detail")
		                             ->from('event_email_template')
		                             ->where('email_type_id', $email_template_id)
		                             ->where('email_tpl_status', 2)
		                             ->where('email_tpl_creation_status', "DEFAULT")
		                             ->limit(1)
		                             ->get()
		                             ->row();

		if($default_template){
			return $default_template;
		} else return false;
	}

    public function upload_default_email_template($email_template){
       $this->db->where('email_type_status',1);
       $this->db->update_batch('event_email_template_type', $email_template, 'email_type_id');
       $this->db->trans_complete();
       return ($this->db->trans_status() === FALSE)? FALSE:TRUE;
    }
}