<?php
class Group_model extends CI_Model {

  function __construct(){
        parent::__construct();
    }
    
    public function createGroup($groupArray){
        $this->load->database();
        $query = $this->db->query("INSERT INTO workgroups(
        group_name, 
        group_info, 
        skills, 
        group_notes, 
        is_active
        ) VALUES(
        '".$groupArray['group_name']."',
        '".$groupArray['group_info']."',
        '".$groupArray['skills']."',
        '".$groupArray['group_notes']."',
        '".$groupArray['is_active']."'
        );");
    }
    
    public function getAllGroups(){
        $this->load->database();
        $this->load->model('Group_model');
        $this->load->model('Service_model');

        $query = $this->db->query('SELECT * FROM workgroups ORDER BY group_name DESC;');

        if($query->num_rows() > 0){
            $resultArray = array();
            foreach($query->result() as $resultItem){
                $resultItemTmp = (array)$resultItem;

                if($resultItem->skills != ''){
                    $serviceArray = array();
                    $serviceIds = unserialize($resultItem->skills);
                    foreach($serviceIds as $serviceItem){
                        $serviceArray[] = $this->Service_model->getServiceById($serviceItem);
                    }
                    $resultItemTmp['skillList'] = $serviceArray;
                }
                $resultArray[] = (object)$resultItemTmp;
            }
            return $resultArray;
        }
        else{
            return 0;
        }
    }
    
    public function getAllActiveGroups(){
        $this->load->database();
        $this->load->model('Group_model');
        $this->load->model('Service_model');

        $query = $this->db->query('SELECT * FROM workgroups WHERE is_active = "1" && is_deleted != "1" ORDER BY group_id ASC;');

        if($query->num_rows() > 0){
            $resultArray = array();
            foreach($query->result() as $resultItem){
                $resultItemTmp = (array)$resultItem;

                if($resultItem->skills != ''){
                    $serviceArray = array();
                    $serviceIds = unserialize($resultItem->skills);
                    foreach($serviceIds as $serviceItem){
                        $serviceArray[] = $this->Service_model->getServiceById($serviceItem);
                    }
                    $resultItemTmp['skillList'] = $serviceArray;
                }
                $resultArray[] = (object)$resultItemTmp;
            }
            return $resultArray;
        }
        else{
            return 0;
        }
    }
    
    public function getGroupById($group_id){
        $this->load->database();
        $query = $this->db->query('SELECT * FROM workgroups WHERE group_id = "'.$group_id.'" LIMIT 1;');

        if($query->num_rows() == 1){
            return $query->result()[0];
        }
        else{
            return 0;
        }
    }
    

    
    public function updateGroup($group_id, $groupArray){
        $this->load->database();

        foreach($groupArray as $propertyKey => $propertyValue){
            $query = $this->db->query("UPDATE workgroups SET ".$propertyKey." = '".$propertyValue."' WHERE group_id = '".$group_id."';");
        }
    }

    public function availableGroupsByServiceId($serviceCategory){
        $this->load->database();
        $this->load->model('Group_model');
        $this->load->model('Service_model');

        $groupArray = array();

        $activeGroups = $this->Group_model->getAllActiveGroups();
        $selectedServiceCategory = 0;

        if(is_array($activeGroups)){
            foreach($activeGroups as $activeGroupItem){
                $serviceIds = unserialize($activeGroupItem->skills);
                foreach($serviceIds as $serviceIdItem){
                    $selectedService = $this->Service_model->getServiceById($serviceIdItem);
                    $selectedServiceCategory = $selectedService->service_group;
                    if($selectedServiceCategory == $serviceCategory){
                        $groupArray[] = $activeGroupItem->group_id;
                    }
                }
            }
        }
        return $groupArray;
    }


    public function getAvailableGroup($bookingDate, $serviceCategory){
        $this->load->database();
        $this->load->model('Group_model');

        $activeServiceGroupArray = $this->Group_model->availableGroupsByServiceId($serviceCategory);

        $activeServiceGroupString = '';
        if(!empty($activeServiceGroupArray)){
            $arrayIndex = 1;
            $collectedServiceGroupArrayTmp = array(); 
            foreach($activeServiceGroupArray as $activeServiceGroupArrayItem){
                if($arrayIndex != sizeof($activeServiceGroupArray)){
                    if(!in_array($activeServiceGroupArrayItem, $collectedServiceGroupArrayTmp)){
                        $collectedServiceGroupArrayTmp[] = $activeServiceGroupArrayItem;
                    }
                }
                else{
                    if(!in_array($activeServiceGroupArrayItem, $collectedServiceGroupArrayTmp)){
                        $collectedServiceGroupArrayTmp[] = $activeServiceGroupArrayItem;
                    }
                }
                $arrayIndex++;
            }
            
        }
        $activeServiceGroupString .= implode(', ', $collectedServiceGroupArrayTmp);

        $query = $this->db->query('
        SELECT * FROM
        (SELECT 
        results.group_id, 
        SEC_TO_TIME( SUM( TIME_TO_SEC( TIME(results.difference) ) ) ) AS diff FROM
        (SELECT
                booking_id,
                guest_name,
                guest_email,
                guest_phone,
                bookings.group_id,
                booking_date,
                booking_start_time,
                booking_finish_time,
                service_ids,
                guest_confirmed,
                guest_confirm_code,
                group_name,
                group_info,
                group_profile_img,
                skills,
                group_notes,
                is_active,
                is_deleted,
                TIMEDIFF(booking_finish_time, booking_start_time) AS difference
                FROM bookings JOIN workgroups ON bookings.group_id = workgroups.group_id 
                WHERE is_active = 1 AND is_deleted = 0
                AND booking_date = "'.$bookingDate.'"
                AND bookings.group_id IN ('.$activeServiceGroupString.')
        ) as results
        GROUP BY results.group_id
        ORDER BY SEC_TO_TIME( SUM( TIME_TO_SEC( TIME(results.difference) ) ) ) DESC 
        ) AS groupedResults
        JOIN workgroups ON groupedResults.group_id = workgroups.group_id
        ;');
        if($query->num_rows() > 0){
            return $query->result()[0];
        }
        else{
            $activeGroups = $this->Group_model->getAllActiveGroups();
            $firstGroup = $activeGroups[0];
            return $firstGroup;
        }

        return $isServiceActive;
    }






















}

?>