<?php
class Leave_model extends MY_Model {
    // status // Approved
    public function get_all_leave($business_id)
    {
        $this->db->select('A.*  ,U1.name as emp_name, U2.name as ApproveBy, l1.type as leavetype');
        $this->db->from('leave_list A');
        $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
        $this->db->join('users U2', 'U2.id = A.approved_by', 'left');
        $this->db->join('leave_master l1', 'l1.id = A.type', 'left');
        $this->db->where('A.business_id', $business_id);
        $this->db->where('A.is_active', 1);
        $this->db->where('A.approved_by !=', '');
        $this->db->order_by('A.id','DESC');
        // $this->db->group_by('A.type,A.emp_id');
        $query = $this->db->get();
        $query = $query->result();
        return $query;

    }

    
        public function get_all_leave_data($business_id) {
            $this->db->select("
                A.id, A.emp_id, A.approved_by, A.business_id, A.is_active, A.from_date_new, A.to_date_new,
                A.perm_date_new, A.from_time, A.to_time, U1.name as emp_name, U2.name as approve_by_name, l.type as leave_type, l.code as leave_code,
                IF(A.from_date_new is not null, A.from_date_new ,A.perm_date_new) AS final_date,
                MONTH(IF(A.from_date_new IS NOT NULL, A.from_date_new, A.perm_date_new)) AS final_date_month,
                YEAR(IF(A.from_date_new is not null, A.from_date_new ,A.perm_date_new)) as final_date_year,
                GROUP_CONCAT(
                        CASE
                            WHEN A.from_date_new IS NOT NULL THEN CONCAT(' (',DATE_FORMAT(A.from_date_new, '%d-%m-%Y'), ' to ', DATE_FORMAT(A.to_date_new, '%d-%m-%Y'),') ')
                            ELSE ''
                        END
                ) AS date_range,
                SUM(A.no_of_days) AS total_no_of_days,
                GROUP_CONCAT(
                    CASE
                        WHEN A.perm_date_new IS NOT NULL AND UPPER(l.code) = 'PERMISSION' THEN CONCAT(
                        DATE_FORMAT(A.perm_date_new, '%d-%m-%Y'), 
                            ' ', 
                            A.from_time, 
                            ' - ', 
                            A.to_time)
                        ELSE ''
                    END
                ) AS permission_range
            ");
            $this->db->from('leave_list A');
            $this->db->join('users U1', 'U1.id = A.emp_id', 'LEFT');
            $this->db->join('users U2', 'U2.id = A.approved_by', 'LEFT');
            $this->db->join('leave_master l', 'l.id = A.type', 'LEFT');
            $this->db->where('A.business_id', $business_id);
            $this->db->where('A.is_active', 1);
            $this->db->where('A.approved_by !=', '');
            $this->db->group_by('A.emp_id, A.type, MONTH(IF(A.from_date_new is not null, A.from_date_new ,A.perm_date_new)), YEAR(IF(A.from_date_new is not null, A.from_date_new ,A.perm_date_new))');
            $this->db->order_by('A.id', 'DESC');
            $query = $this->db->get();
            return $query->result();
            // print_r($this->db->last_query());die;
        }

    public function get_leave_with_emp_name($business_id)
    {
        $this->db->select('A.*  ,U1.name as emp_name, U2.name as ApproveBy, U3.name as DeclineBy, U4.name as Risedby,l.type as leave_type,l.code as leave_code');
        $this->db->from('leave_list A');
        $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
        $this->db->join('users U2', 'U2.id = A.approved_by', 'left');
        $this->db->join('users U3', 'U3.id = A.declined_by', 'left');
        $this->db->join('users U4', 'U4.id = A.risedby', 'left');
        $this->db->join('leave_master l', 'l.id = A.type', 'LEFT');
        $this->db->where('A.business_id', $business_id);
        $this->db->order_by('A.id','DESC');
        $this->db->where('A.is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;

    }

    public function get_leave_data_using_leave_id($leave_id)
    {
        $this->db->select('A.*  ,U1.name as emp_name, U1.email as emp_email, U2.name as ApproveBy, U3.name as DeclineBy, U4.name as Risedby, E.manager as ManagerId, LM.code as leave_code, LM.type as leave_type');
        $this->db->from('leave_list A');
        $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
        $this->db->join('users U2', 'U2.id = A.approved_by', 'left');
        $this->db->join('users U3', 'U3.id = A.declined_by', 'left');
        $this->db->join('users U4', 'U4.id = A.risedby', 'left');
        $this->db->join('employees E', 'E.user_id = A.emp_id', 'left');
        $this->db->join('leave_master LM', 'LM.id = A.type', 'left');
        $this->db->where('A.id', $leave_id);
        $this->db->order_by('A.id','DESC');
        $this->db->where('A.is_active', 1);
        $query = $this->db->get();
        if ($query->num_rows() > 0) {
            return $row = $query->row();
        } else {
            return false;
        }

    }


    public function get_template_data_using_code($code, $type){
        $this->db->select('*');
        $this->db->from('templates');
        $this->db->where('templet_code', $code);
        $this->db->where('templet_type', $type);
        $query = $this->db->get();
        if ($query->num_rows() > 0) {
            return $query->row();
        } else {
            return false;
        }
    }


    public function get_user_name($user_id){

        $this->db->select('name');
        $this->db->from('users');
        $this->db->where('id', $user_id);
        $query = $this->db->get();
        // $query = $query->result();
        if ($query->num_rows() > 0) {
            $row = $query->row();
            return $row->name;
        } else {
            return false;
        }
        // return $query;

    }

    public function get_all_leave_request_by_manager_id($business_id, $user_id)
    {
        $this->db->select('A.*  ,U1.name as emp_name, U2.name as ApproveBy, U3.name as DeclineBy, U4.name as Risedby, E.manager as manager_id, LM.type as leave_type');
        $this->db->from('leave_list A');
        $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
        $this->db->join('users U2', 'U2.id = A.approved_by', 'left');
        $this->db->join('users U3', 'U3.id = A.declined_by', 'left');
        $this->db->join('users U4', 'U4.id = A.risedby', 'left');
        $this->db->join('employees E', 'E.user_id = A.emp_id', 'left');
        $this->db->join('leave_master LM', 'LM.id = A.type', 'left');
        $this->db->where('A.business_id', $business_id);
        $this->db->where('E.manager', $user_id);
        $this->db->order_by('A.id','DESC');
        $this->db->where('A.is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;

    }

    public function get_delegated_user_id($business_id, $user_id){
        $this->db->select('emp_id');
        $this->db->from('delegation');
        $this->db->where('business_id', $business_id);
        $this->db->where('delegated_to', $user_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $result_array = $query->result_array();
        $emp_ids = array_column($result_array, 'emp_id');
        return $emp_ids;
    }

    public function get_all_leave_request_by_manager_id_with_delegation($business_id, $loggeduserid)
    {

        $delegated_users_id_list = $this->get_delegated_user_id($business_id, $loggeduserid);
        $count = count($delegated_users_id_list);

        if($count > 0)
        {
            foreach ($delegated_users_id_list as $user_id) {

                $this->db->select('A.*  ,U1.name as emp_name, U2.name as ApproveBy, U3.name as DeclineBy, U4.name as Risedby, E.manager as manager_id, LM.type as leave_type, D.from_date as delegate_f_date, D.to_date as delegate_t_date, D.delegated_to, D.emp_id');
                $this->db->from('leave_list A');
                $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
                $this->db->join('users U2', 'U2.id = A.approved_by', 'left');
                $this->db->join('users U3', 'U3.id = A.declined_by', 'left');
                $this->db->join('users U4', 'U4.id = A.risedby', 'left');
                $this->db->join('employees E', 'E.user_id = A.emp_id', 'left');
                $this->db->join('delegation D', 'D.business_id = A.business_id', 'left');
                $this->db->join('leave_master LM', 'LM.id = A.type', 'left');
                $this->db->where('A.business_id', $business_id);
                $this->db->where('E.manager', $user_id); //User ID as Employee ID
                // $this->db->where('D.emp_id', $user_id);
                $this->db->order_by('A.id','DESC');
                $this->db->where('A.is_active', 1);
                $query = $this->db->get();
                $query = $query->result();
                return $query;
            }
        }


    }

    public function get_count($emp_id, $business_id, $type_id)
    {
        $this->db->select('*');
        $this->db->from('emp_leave_days');
        $this->db->where('business_id', $business_id);
        $this->db->where('emp_id', $emp_id);
        $this->db->where('type', $type_id);
		$this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;

    }

    public function remaining_days($emp_id, $business_id, $leave_year, $type)
    {
        $this->db->select('*');
        $this->db->from('emp_leave_days');
        $this->db->where('emp_id', $emp_id);
        $this->db->where('business_id', $business_id);
        $this->db->where('year', $leave_year);
        $this->db->where('type', $type);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        // print_r($this->db->last_query());
        return $query;
    }

    // public function remaining_days_2($emp_id, $business_id, $next_year, $type)
    // {
    //     $this->db->select('*');
    //     $this->db->from('emp_leave_days');
    //     $this->db->where('emp_id', $emp_id);
    //     $this->db->where('business_id', $business_id);
    //     $this->db->where('year', $next_year);
    //     $this->db->where('type', $type);
    //     $this->db->where('is_active', 1);
    //     $query = $this->db->get();
    //     $query = $query->row();
    //     return $query;
    // }

    function get_id($id,$business_id,$table)
    {
        $this->db->select('*');
        $this->db->from($table);
        $this->db->where('id', $id);
        $this->db->where('business_id', $business_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
    }

    function get_by_type($type,$business_id,$table)
    {
        $this->db->select();
        $this->db->from($table);
        $this->db->where('id', $type);
        $this->db->where('business_id', $business_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
    }

    public function get_employee($business_id)
    {

        $this->db->select('users.name, employees.user_id, employees.manager');
        $this->db->from('users');
        $this->db->join('employees', 'employees.user_id = users.id');
        $this->db->where('users.business_id', $business_id);
        $this->db->where('users.is_active', 1);
        $this->db->where('employees.is_active', 1);
        $query = $this->db->get();

        if ($query->num_rows() > 0) {
            return $query->result();
        } else {
            return;
        }
    }

    public function get_leave($id , $business_id , $table, $leave_year, $type)
    {
        $this->db->select('*');
        $this->db->from($table);
        $this->db->where('business_id', $business_id);
        $this->db->where('emp_id', $id);
        $this->db->where('type', $type);
        $this->db->where('year', $leave_year);
		$this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
    }

    public function get_leave_based_on_tpye($id , $type , $business_id , $table, $year)
    {
        $this->db->select('*');
        $this->db->from($table);
        $this->db->where('business_id', $business_id);
        $this->db->where('emp_id', $id);
        $this->db->where('type', $type);
        $this->db->where('year', $year);
        $this->db->order_by('id','DESC');
		$this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
    }

    public function get_leave_by_md5_id($id,$business_id,$table)
    {
        $this->db->select('*');
        $this->db->from($table);
        $this->db->where('business_id', $business_id);
        $this->db->where('md5(id)', $id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->row();
        return $query;
    }

    function update_leave($action,$id,$table,$current_year,$type_id){
        $this->db->where('emp_id',$id);
        $this->db->where('type', $type_id);
        $this->db->where('year', $current_year);
        $this->db->update($table,$action);
        return;
    }

     public function LeaveApprove($id, $data)
     {

        $this->db->where('id',$id);
        $this->db->update('leave_list', $data);
        return true;

     }
     public function LeavewithdrawDecline($id, $data)
     {

        $this->db->where('id',$id);
        // $this->db->update('emp_leave_days', $data);
        $this->db->update('leave_list', $data);
        return true;

     }
     public function LeavewithdrawApproved($id, $data)
     {

        $this->db->where('id',$id);
        $this->db->update('leave_list', $data);
        return true;

     }

     public function LeaveDecline($id, $data)
     {
        $this->db->where('id',$id);
        $this->db->where('status', 'pending');
        $this->db->update('leave_list', $data);
        return true;
     }

      public function Leavecancle($id, $data)
     {
        $this->db->where('md5(id)',$id);
        $this->db->where('status', 'pending');
        $this->db->update('leave_list', $data);
        return;
     }
     public function Leavecanceaprove($id, $data)
     {
        $this->db->where('md5(id)',$id);
        $this->db->where('status', 'Approved');
        $this->db->update('leave_list', $data);
        return;
     }


      public function getLeaveType($business_id)
    {

        $this->db->select('*');
        $this->db->from('leave_master');
        $this->db->where('business_id', $business_id);
        $this->db->where('is_active', 1);
        return $this->db->get()->result();

    }


     public function get_Leave_nodays($id)
     {
        $this->db->select('*');
        $this->db->from('leave_list');
        $this->db->where('id',$id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->row();
        return $query;
     }

     public function emp_leave_days_update($id, $days, $current_year, $business_id, $type)
     {
        $this->db->where('emp_id',$id);
        $this->db->where('year', $current_year);
        $this->db->where('business_id', $business_id);
        $this->db->where('type', $type);
        $this->db->update('emp_leave_days', $days);
     }

     //  public function emp_leave_days_update_2($id, $days, $next_year, $business_id, $type)
     // {
     //    $this->db->where('emp_id',$id);
     //    $this->db->where('year', $next_year);
     //    $this->db->where('business_id', $business_id);
     //    $this->db->where('type', $type);
     //    $this->db->update('emp_leave_days', $days);
     // }

     public function get_emp_id($id)
     {
        $this->db->select('emp_id');
        $this->db->where('id', $id); // Assuming $leaveListId is the ID to match
        $query = $this->db->get('leave_list');

        if ($query->num_rows() > 0) {
            $row = $query->row();
            $empId = $row->emp_id;
            return $empId;

        }

     }


     public function under_emp_manager($user_id, $business_id)
     {
            $this->db->select('manager');
            $this->db->from('employees');
            $this->db->where('business_id', $business_id);
            $query = $this->db->get();
            return $query->result();
     }


     public function editleave($id)
     {
            $this->db->select('*');
            $this->db->from('leave_list');
            $this->db->where('md5(id)', $id);
            $query = $this->db->get();
           if ($query->num_rows() > 0) {
            return $query->result();
        } else {
            return;
        }
     }

     public function decline_dropdown($business_id)

     {

            $this->db->select('*');
            $this->db->from('enum');
            $this->db->where('enum_type', 'decline');
            $this->db->where('business_id', $business_id);
            $query = $this->db->get();
           if ($query->num_rows() > 0) {
            return $query->result();
        } else {
            return;
        }

     }

     public function Get_delegation_id($business_id)
     {
        $this->db->select('*');
        $this->db->from('delegation');
        $this->db->where('business_id', $business_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        return $query->result();
     }

     public function get_emp_leave_count($type_id, $emp_id)
     {
        $this->db->select('remaining_days');
        $this->db->from('emp_leave_days');
        $this->db->where('emp_id', $emp_id);
        $this->db->where('type', $type_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        return $query->result();

     }

     public function get_leave_master($business_id)
     {
        $this->db->select('*');
        $this->db->from('leave_master');
        $this->db->where('(business_id = 0 OR business_id = ' . $business_id . ')');
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $result = $query->result();
        return $result;

     }

     public function get_leave_master_count($type_id, $business_id)
     {
        $this->db->select('*');
        $this->db->from('leave_master');
        $this->db->where('business_id', $business_id);
        $this->db->where('id', $type_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
     }

     public function get_emp_joing_year_month($emp_id, $business_id)
     {
        $this->db->select('A.*, name', 'users.name');
        $this->db->from('employees A');
        $this->db->join('users', 'users.id = A.user_id', 'left');
        $this->db->where('A.business_id', $business_id);
        $this->db->where('A.user_id', $emp_id);
        $this->db->where('A.is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
     }

     public function get_leave_type($business_id)
     {
        $this->db->select('*');
        $this->db->from('leave_master');
        $this->db->where('business_id', $business_id);
        $this->db->where('is_active', 1);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
     }

     public function get_from_date($emp_id, $from_date, $to_date)
     {

        $this->db->select('*');
        $this->db->from('leave_list');
        $this->db->where('emp_id', $emp_id);
        $this->db->where('from_date_new >=', $from_date);
        $this->db->where('to_date_new <=', $to_date);
        $query = $this->db->count_all_results();
        return $query;
     }

     public function get_emp_join_date($emp_id, $from_date, $to_date)
     {
        $this->db->select('*');
        $this->db->from('employees');
        $this->db->where('user_id', $emp_id);
        $this->db->where('j_date >', $from_date);
        $query = $this->db->count_all_results();
        return $query;
     }

     public function get_emp_data_by_emp_id($emp_id){
        $this->db->select('*');
        $this->db->from('employees');
        $this->db->where('user_id', $emp_id);
        $query = $this->db->get();
        $query = $query->result();
        return $query;
     }
     public function get_approved_leaves_cur_week()
     {
         $currentWeekStart = date('Y-m-d', strtotime('monday this week'));
         $currentWeekEnd = date('Y-m-d', strtotime('sunday this week'));

         $this->db->select('leave_list.*, users.name as emp_name');
         $this->db->from('leave_list');
         $this->db->join('users', 'users.id = leave_list.emp_id', 'left');
         $this->db->group_start();
         $this->db->where("STR_TO_DATE(from_date_new, '%d-%m-%Y') <= '$currentWeekEnd'");
         $this->db->where("STR_TO_DATE(to_date_new, '%d-%m-%Y') >= '$currentWeekStart'");
         $this->db->or_where("STR_TO_DATE(perm_date, '%d-%m-%Y') <= '$currentWeekEnd'");
         $this->db->or_where("STR_TO_DATE(perm_date, '%d-%m-%Y') >= '$currentWeekStart'");
         $this->db->group_end();
         $this->db->where('leave_list.status', 'approved');
         $query = $this->db->get();
         $approvedLeaveRecords = $query->result();

         // Organize approved leave records into columns based on days of the week
         $weekData = [];
         foreach ($approvedLeaveRecords as $leave) {
             $leaveStartDate = ($leave->from_date_new) ? date('Y-m-d', strtotime($leave->from_date_new)) : date('Y-m-d', strtotime($leave->perm_date));
             $leaveEndDate = ($leave->to_date_new) ? date('Y-m-d', strtotime($leave->to_date_new)) : date('Y-m-d', strtotime($leave->perm_date));

             // Use from_time and to_time if available
             $fromTime = ($leave->from_time) ? ' ' . $leave->from_time : '';
             $toTime = ($leave->to_time) ? ' ' . $leave->to_time : '';

             // Iterate over each day in the leave period
             $currentDate = $leaveStartDate;
             while ($currentDate <= $leaveEndDate) {
                 $dayOfWeek = date('l', strtotime($currentDate));
                 $weekData[$dayOfWeek][] = [
                     'emp_id' => $leave->emp_id,
                     'emp_name' => $leave->emp_name,
                     'from_time' => $fromTime,
                     'to_time' => $toTime,
                 ];
                 $currentDate = date('Y-m-d', strtotime($currentDate . ' +1 day'));
             }
         }
//  print_r($weekData);
         return $weekData;
     }


    public function get_week_leave_approved_count($business_id)
     {
         $startOfWeek = date('Y-m-d', strtotime('monday this week'));
         $endOfWeek = date('Y-m-d', strtotime('sunday this week'));

         // Query to get leave records for the specified employee within the current week
         $this->db->select('A.*, U1.name as employee_name');
         $this->db->from('leave_list A');
         $this->db->where('A.business_id', $business_id);
         $this->db->where("(A.from_date_new BETWEEN '$startOfWeek' AND '$endOfWeek' OR A.to_date_new BETWEEN '$startOfWeek' AND '$endOfWeek' OR (A.from_date_new < '$startOfWeek' AND A.to_date_new > '$endOfWeek'))");
         $this->db->join('users U1', 'U1.id = A.emp_id', 'left');
         $this->db->where('A.status', 'Approved');
         $query = $this->db->get();
         $leaveRecords = $query->result();
        //  echo json_encode($leaveRecords);die;
         // Initialize an array to store leave counts for each day of the week
         $weeklyLeaveCounts = array(
            'sunday' => [],
             'monday' => [],
             'tuesday' => [],
             'wednesday' => [],
             'thursday' => [],
             'friday' => [],
             'saturday' => []
         );

         // Iterate over the leave records to count leaves for each day of the week
         foreach ($leaveRecords as $key => $record) {
            if($record->from_date_new < $startOfWeek)
            {
                $record->from_date_new = $startOfWeek;
            }

            if($record->to_date_new > $endOfWeek)
            {
                $record->to_date_new = $endOfWeek;
            }

            $startDate = date('l', strtotime($record->from_date_new));
            $endDate = date('l', strtotime($record->to_date_new));
             // Increment leave counts for each day within the leave period
             while ($startDate !== $endDate) {
                array_push($weeklyLeaveCounts[strtolower($startDate)], $record->employee_name);
                 $startDate = date('l', strtotime($startDate . ' +1 day'));
             }
             array_push($weeklyLeaveCounts[strtolower($startDate)], $record->employee_name); // Increment for the last day
         }

         // Return the array with leave counts for each day of the week
         return $weeklyLeaveCounts;
     }


}