<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 * Description of Department
 *
 * @author Ira
 */
class Department {
    private $id;
    private $agencyId;

    public function __construct(){
        //$this->db = $db;
    }


    public function getRole($role_id){
        $roles = array();
        $sql = "SELECT * FROM roles WHERE id = $role_id";
       
        $q = mysql_query($sql);
        
        if(mysql_num_rows($q) > 0){
            $roles = mysql_fetch_assoc($q);;
        }
        return $roles;
    }

    public function getDepartment($user_id){

        $department = array();
        $department['role'] = '';
        $department['admin'] = 0;
        
        $sql = "SELECT role_id, department_id FROM users WHERE id = $user_id";
      
        $q = mysql_query($sql);
        $r = mysql_fetch_assoc($q);
        $role = $this->getRole($r['role_id']);
        if(!empty($role)){
            $department['role'] = $role['role'];
            if($role['role'] == 'admin_department'){
                $department['admin'] = $user_id;
            } else {
                if((int)$r['role_id'] > 0 && $r['department_id'] > 0){
                    $sql_d = "SELECT id FROM roles WHERE department_id = $r[department_id] AND role = 'admin_department'";
                    $q_d = mysql_query($sql_d);
                    if(mysql_num_rows($q_d) > 0){
                        $role_admin = (int) mysql_fetch_assoc($q_d)['id'];
                        $sql_u = "SELECT id FROM users WHERE role_id = $role_admin";
                        $q_u = mysql_query($sql_u);
                        if(mysql_num_rows($q_u) > 0){
                            $department['admin'] = (int)mysql_fetch_assoc($q_u)['id'];
                        }
                    }
                }
            }
        }
        if($department['admin'] == 0){
            $sql_u = "SELECT id, id_manager FROM users WHERE id = $user_id";
            $q_u = mysql_query($sql_u);
            $r_u =  mysql_fetch_assoc($q_u);
            if(mysql_num_rows($q_u) > 0 && $r_u['id_manager'] > 0){
                $department['admin'] = $r_u['id_manager'];
            }  else {
                $department['admin'] = $user_id;
            }
        }
        return $department;
    }
    
    
    public function getDepartments($user_id = null, $department_id = 0) {
        $user = new User;

		if (is_null($user_id))
			$user_id = $_SESSION['id'];

        $user->get($user_id);
        $sql_d = "SELECT d.name as dep_name, r.name as role_name, r.role, r.department_id, r.id  FROM departments as d left join roles as r on d.id = r.department_id WHERE d.agency_id = ".$user->agencyId;
        if($department_id > 0) {
            $sql_d .= " AND d.id = $department_id";
        }    
            $q_d = mysql_query($sql_d);
            $departments = array();
            $dep_arr = array();
            while($r_d = mysql_fetch_assoc($q_d)){
                $departments[$r_d['id']] = $r_d;
            }
        return $departments;    
    }
}