<?php
class Module extends CI_Model{
	private $enckey     = 'vDIa5JdknBqfrKOu8d7UpddnBMCH1vza'; //32 characters
    function __construct(){
        parent::__construct();
    }

	public function get_module_name($module_id){
		$query = $this->db->get_where('modules', array('module_id' => $module_id), 1);
		if($query->num_rows() == 1){
			$row = $query->row();
			return $this->lang->line($row->name_lang_key);
		}
		return $this->lang->line('error_unknown');
	}
	public function update_password($employees_id,$confirm_password,$action){
		// GET COMPANY INFO
		$login_qry           = '';
		$company_info        = $this->get_company_info();
		$pass_log_count      = $company_info[0]->password_log;


		$this->db->select('password,password_log');
		$this->db->from('cw_employees');
		$this->db->where('prime_employees_id', $employees_id);
		$query               = $this->db->get();
		$old_password        = $query->result()[0]->password;
		$old_pass_log        = $query->result()[0]->password_log;
		$old_pass_arr        = explode('||',$old_pass_log);
		$confirm_password    = $this->cryptoEncrypt(md5($confirm_password));
		if($old_password === $confirm_password){
			echo json_encode(array('success' => false, 'message' => "This password matches your previous one. Please enter a new password!"));
			exit(0);
		}else{
			if((int)count($old_pass_arr ?? []) === (int)$pass_log_count){
				if(in_array($confirm_password,$old_pass_arr)){
					echo json_encode(array('success' => FALSE, 'message' => "Your new password must be different from your last $pass_log_count passwords. Please choose a unique password to continue."));
					exit(0);
				}else{
					unset($old_pass_arr[0]);
					$old_pass_arr[] = $confirm_password;
					$pass_log           = implode('||',$old_pass_arr);
				}
			}else{
				$pass_log      = $old_pass_log.'||'.$confirm_password;
			}
			if($action == 'login'){
				$login_qry       = ' ,first_time_login = "2"';
			}
			
			$prime_update_query  = 'UPDATE cw_employees SET password ="'. $confirm_password .'" , password_log = "'.$pass_log.'" '.$login_qry.' WHERE prime_employees_id = "'. $employees_id .'"';
			$prime_update_result = $this->db->query("$prime_update_query");
		}
		return $prime_update_result;
	}
	public function get_allowed_modules($logged_id){
		if((int)$this->session->userdata('logged_role') === 12){
			$this->db->from('modules');
			$this->db->join('permissions', 'permissions.permission_id = modules.module_id');
			$this->db->join('grants_customer', 'permissions.permission_id = grants_customer.permission_id');
			$this->db->where('prime_customer_id', $logged_id);
			$this->db->order_by('sort', 'asc');
			return $this->db->get();
		}else{
			$this->db->from('modules');
			$this->db->join('permissions', 'permissions.permission_id = modules.module_id');
			$this->db->join('grants', 'permissions.permission_id = grants.permission_id');
			$this->db->where('prime_employees_id', $logged_id);
			$this->db->order_by('sort', 'asc');
			return $this->db->get();
		}		
	}
	public function get_header_menu($logged_id){
		if((int)$this->session->userdata('logged_role') === 12){
			$this->db->select('main_menu.menu_name,modules.module_id,module_name,sub_menu_name');
			$this->db->from('modules');
			$this->db->join('permissions', 'permissions.permission_id = modules.module_id');
			$this->db->join('grants_customer', 'permissions.permission_id = grants_customer.permission_id');
			$this->db->join('main_menu', 'main_menu.prime_menu_id = modules.menu_id');
			$this->db->join('sub_menu', 'sub_menu.prime_sub_menu_id = modules.sub_menu_id','left');
			$this->db->where('prime_customer_id', $logged_id);
			$this->db->where('modules.trans_status',1);
			$this->db->where('modules.show_module',1);
			$this->db->where('main_menu.trans_status',1);
			$this->db->where('main_menu.menu_status',1);
			$this->db->order_by('menu_sort', 'asc');
			$this->db->order_by('sub_menu_sort', 'asc');
			$this->db->order_by('sort', 'asc');
			$query =  $this->db->get();
			return $query->result();
		}else{
			$this->db->select('main_menu.menu_name,modules.module_id,module_name,sub_menu_name');
			$this->db->from('modules');
			$this->db->join('permissions', 'permissions.permission_id = modules.module_id');
			$this->db->join('grants', 'permissions.permission_id = grants.permission_id');
			$this->db->join('main_menu', 'main_menu.prime_menu_id = modules.menu_id');
			$this->db->join('sub_menu', 'cw_sub_menu.prime_sub_menu_id = modules.sub_menu_id','left');
			$this->db->where('prime_employees_id', $logged_id);
			$this->db->where('modules.trans_status',1);
			$this->db->where('modules.show_module',1);
			$this->db->where('main_menu.trans_status',1);
			$this->db->where('main_menu.menu_status',1);
			$this->db->order_by('menu_sort', 'asc');
			$this->db->order_by('sub_menu_sort', 'asc');
			$this->db->order_by('sort', 'asc');
			$query =  $this->db->get();
			return $query->result();
		}
	}
	
	//GET REPORT DETAILS FOR ROLE BASED HEADER -- 13MARCH2019
	public function get_report_menu($logged_user){
		$logged_id   = $logged_user->prime_employees_id;
		$logged_role = $logged_user->user_right;
		$this->db->select('prime_report_setting_id,report_name,menu_name');
		$this->db->from('report_setting');
		$this->db->join('main_menu', 'main_menu.prime_menu_id = report_setting.report_menu');
		$this->db->where('report_setting.trans_status',1);
		$this->db->where('main_menu.menu_status',1);
		// $this->db->where("report_for LIKE '%".$logged_role."%'");
		$this->db->where('FIND_IN_SET("'.$logged_role.'", report_for)');
		//$this->db->where("report_for IN (".$logged_role.")",NULL, false);
		//$this->db->where("FIND_IN_SET('".$logged_role."',report_for)!=",0);
		$this->db->order_by('menu_sort', 'asc');
		$this->db->order_by('report_name', 'asc');
		$this->db->order_by('prime_report_setting_id', 'asc');
		$query =  $this->db->get();
		//echo $this->db->last_query();
		$report_data = $query->result_array();
		// THIS WAS COMMENTED FOR THIS FUNCTIONALITY DIRECTLY MAKED ON HEADER --- ARN 20-09-2025
		// foreach ($report_data as &$row) {
   		// 	 $row['prime_report_setting_id'] = $this->newcryptoEncrypt($row['prime_report_setting_id']);
		// }
		// unset($row); 
		
		$report_result = array();
		foreach ($report_data as $row){
			$report_result[$row['menu_name']][] = $row;
		}
        return $report_result;
	}
	//GET REPORT DETAILS FOR ROLE BASED HEADER -- 13MARCH2019
	public function get_template_menu($logged_user){
		$logged_id   = $logged_user->prime_employees_id;
		$logged_role = $logged_user->role;
		$this->db->select('prime_bank_template_setting_id,template_name');
		$this->db->from('bank_template_setting');
		$this->db->where('bank_template_setting.trans_status',1);
		$this->db->where("template_for LIKE '%".$logged_role."%'");
		//$this->db->where("template_for IN (".$logged_role.")",NULL, false);
		//$this->db->where("FIND_IN_SET('".$logged_role."',template_for)!=",0);
		$this->db->order_by('prime_bank_template_setting_id', 'asc');
		$query =  $this->db->get();
		return $query->result();
	}	
	/* USED IN BOTH EMPLOYEE AND CUSTOMER MODULE - START*/
	public function get_all_modules($control_name){
		if(strtoupper($control_name) === "EMPLOYEES"){
			$this->db->from('modules');
			$this->db->join('cw_main_menu', 'cw_main_menu.prime_menu_id = modules.menu_id');
			$this->db->join('sub_menu', 'cw_sub_menu.prime_sub_menu_id = modules.sub_menu_id','left');
			$this->db->where('cw_main_menu.menu_status',1);
			$this->db->order_by('abs(menu_sort)', 'asc');
			$this->db->where('modules.show_module',1);
			if((int)$this->logged_user_role !== 1){
				$this->db->where_not_in('cw_main_menu.prime_menu_id',1);
			}
			$query =  $this->db->get();
			return $query->result();
		}else{
			$not_in = "";
			if((int)$this->logged_user_role !== 1){
				$not_in = " and cw_main_menu.prime_menu_id not in(1)";
			}
			$query    = $this->db->query("SELECT * FROM cw_modules JOIN `cw_main_menu` ON `cw_main_menu`.`prime_menu_id` = cw_modules.menu_id left join cw_sub_menu on cw_sub_menu.prime_sub_menu_id = cw_modules.sub_menu_id where FIND_IN_SET('2',rights_to) and cw_main_menu.menu_status = 1 and show_module = 1 ".$not_in." ORDER BY abs(menu_sort) ASC");
			return $query->result();
		}		
	}
	
	public function has_grant($control_name,$permission_id, $logged_id){
		if($permission_id == null){
			return TRUE;
		}
		if(strtoupper($control_name) === "EMPLOYEES"){
			$query = $this->db->get_where('grants', array('prime_employees_id' => $logged_id, 'permission_id' => $permission_id), 1);			
		}else  
		if(strtoupper($control_name) === "EMPLOYEE_PERMISSION"){			
			$query = $this->db->get_where('employee_permission', array('role' => $logged_id, 'permission_id' => $permission_id), 1);			
		}else{
			$query = $this->db->get_where('grants_customer', array('prime_customer_id' => $logged_id, 'permission_id' => $permission_id), 1);
		}
		return((int)$query->num_rows() === 1);
	}
	public function has_access($control_name,$permission_id, $logged_id){
		$this->db->select('access_add,access_update,access_delete,access_search,access_export,access_import,grants_menu_id,grants_sub_menu_id');
		if(strtoupper($control_name) === "EMPLOYEES"){
			$this->db->from('grants');
			$this->db->where('prime_employees_id', $logged_id);			
		}else  
		if(strtoupper($control_name) === "EMPLOYEE_PERMISSION"){
			$this->db->from('employee_permission');
			$this->db->where('role', $logged_id);			
		}else{
			$this->db->from('grants_customer');
			$this->db->where('prime_customer_id', $logged_id);
		}
		$this->db->where('permission_id', $permission_id);
		return $this->db->get()->result_array();
	}
	
	public function update_grants($control_name,$logged_id,$grants_data,$access_data,$filter_keys){
		$CI =& get_instance();
		if(strtoupper($control_name) === "EMPLOYEES"){	
			$CI->session_setter($filter_keys,"Grants DATA DELETE",'');
			$success = $this->db->delete('grants', array('prime_employees_id' => $logged_id));	
		}else{
			$success = $this->db->delete('grants_customer', array('prime_customer_id' => $logged_id));
		}
		if($success){
			foreach($grants_data as $permission_id){					
				$add = 0;
				if (in_array("$permission_id::add", $access_data)){
					$add = 1;
				}
				$update = 0;
				if (in_array("$permission_id::update", $access_data)){
					$update = 1;
				}
				$delete = 0;
				if (in_array("$permission_id::delete", $access_data)){
					$delete = 1;
				}
				$search = 0;
				if (in_array("$permission_id::search", $access_data)){
					$search = 1;
				}
				$export = 0;
				if (in_array("$permission_id::export", $access_data)){
					$export = 1;
				}
				$import = 0;
				if (in_array("$permission_id::import", $access_data)){
					$import = 1;
				}
				$this->db->select('menu_id,sub_menu_id');
				$this->db->from('modules');
				$this->db->where('module_id', $permission_id);		
				$menu_data      = $this->db->get()->row();
				$menu_id        = $menu_data->menu_id;
				$sub_menu_id    = $menu_data->sub_menu_id;
				if(strtoupper($control_name) === "EMPLOYEES"){
					$insert_values .= "(\"$permission_id\",\"$logged_id\",\"$menu_id\",\"$sub_menu_id\",\"$add\",\"$update\",\"$delete\",\"$search\",\"$export\",\"$import\"),";
				}else{
					$insert_values .= "(\"$permission_id\",\"$logged_id\",\"$add\",\"$update\",\"$delete\",\"$search\",\"$export\",\"$import\"),";
				}
			}
			if(isset($insert_values)){
				$insert_values = rtrim($insert_values,",");
				if(strtoupper($control_name) === "EMPLOYEES"){
					$insert_query  = "INSERT INTO cw_grants (`permission_id`, `prime_employees_id`, `grants_menu_id`, `grants_sub_menu_id`, `access_add`, `access_update`, `access_delete`, `access_search`, `access_export`, `access_import`) VALUES $insert_values";
					$CI->session_setter($filter_keys,"Grants DATA ADDED",'user');
					$this->db->query("$insert_query");
				}else{
					$insert_query  = "INSERT INTO cw_grants_customer (`permission_id`, `prime_customer_id`, `access_add`, `access_update`, `access_delete`, `access_search`, `access_export`, `access_import`) VALUES $insert_values";
					$this->db->query("$insert_query"); 
				}
			}
		}
	}
	/* USED IN BOTH EMPLOYEE AND CUSTOMER MODULE - END*/
	
	//get notification details about fileds
	
	public function get_notification(){
		$remainder_query    = $this->db->query("select * from cw_payroll_remainder where cw_payroll_remainder.trans_status =1 order by cw_payroll_remainder.prime_payroll_remainder_id asc");
		return $remainder_query->result();
	}
	
	//notification list and details MRJ --updates
	public function get_notification_count(){
		$remainder_query    = $this->db->query("select * from cw_payroll_remainder where cw_payroll_remainder.trans_status =1 order by cw_payroll_remainder.prime_payroll_remainder_id asc");
		$remainter_rslt = $remainder_query->result();
		$remainder_name = array();
		foreach($remainter_rslt as $remainder){
			$remainder_column  = $remainder->remainder_field;
			$days_before       = $remainder->number_of_days;
			$remainder_head    = $remainder->remainder_heading;
			$start_date        = date('m-d');
			$end_date          = date("m-d", strtotime("+$days_before day"));
			$employees_data_qry = 'select '.$remainder_column.',employee_code,emp_name from cw_employees where trans_status = 1 and role !=1 and DATE_FORMAT('.$remainder_column.', "%m-%d") BETWEEN "'.$start_date.'" and "'.$end_date.'"';
			$employees_data_info = $this->db->query("CALL sp_a_run ('SELECT','$employees_data_qry')");
			$employees_result    = $employees_data_info->result();
			$employees_data_info->next_result();
			$employees_count   = $employees_data_info->num_rows();
			$remainder_name[$remainder_column] = array('remainder_column' => $remainder_column,'days_before' => $days_before,'remainder_head' => $remainder_head,'remainder_count'=>$employees_count);
		}
		return $remainder_name;
	}
		
	//GETTING COMPANY INFORMATION
	public function get_company_info(){
		$company_info_query    = $this->db->query("select * from cw_company_information where cw_company_information.trans_status = 1");
		$company_info_rslt = $company_info_query->result();
		return $company_info_rslt;
	}

	//Module wise Page Navigation Logs _ARN 17-09-2025
	public function log_page_entry($employee_code, $session_id, $from_page, $to_page, $ip_address, $device_type, $browser){
		$this->db->select('emp_name');
		$this->db->from('employees');
		$this->db->where('employees.employee_code',$employee_code);
		$query  =  $this->db->get();
		$result = $query->result();
        $data   = [
            'employee_code' => $employee_code,
            'emp_name'    => $result[0]->emp_name,
            'session_id'  => $session_id,
            'from_page'   => $from_page,
            'to_page'     => $to_page,
            'entry_time'  => date("Y-m-d H:i:s"),
            'ip_address'  => $ip_address,
            'device_type' => $device_type,
            'browser'     => $browser
        ];
        $this->db->insert('navigation_log', $data);
    }
	
	public function productkey_save($product_info){
		if($product_info){
			return $this->db->insert('product_info', $product_info);
		}
	}
	//FUNCTION FOR SEND OTP THROUGH SMS [MS 10-07-2024]
	public function trigger_sms($mobile_number,$sms_content,$template_id){
		//Get sms Configuration data
		if($mobile_number){
			$sms_config_query  = 'select sms_url,sms_sender_id,sms_username,sms_password from cw_company_information where trans_status = 1';
			$sms_config_info   = $this->db->query("CALL sp_a_run ('SELECT','$sms_config_query')");
			$sms_config_result = $sms_config_info->result();
			$sms_config_info->next_result();
			if($sms_config_result){
				$sms_url    = $sms_config_result[0]->sms_url;
				$sms_user   = $sms_config_result[0]->sms_username;
				$sms_pwd    = $sms_config_result[0]->sms_password;
				$sender_id  = $sms_config_result[0]->sms_sender_id;
			}
			$url            = "$sms_url?method=SendMessage&send_to=$mobile_number&msg=".urlencode($sms_content)."&msg_type=TEXT&userid=$sender_id&auth_scheme=plain&password=$sms_pwd&v=1.1&format=text&templateid=$template_id";
			$ch             = curl_init($url);
			curl_setopt($ch, CURLOPT_HEADER, 0);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
			$output = curl_exec($ch);
			curl_close($ch);
			if($ch){
				return true;
			}else{
				echo "sms failed";
			}
		}else{
			echo json_encode(array('success' =>false, 'message' => 	'Mobile Number Not Exist, Please Contact Admin'));
			exit(0);
		}
	}

	# TWO STAGES OF ENCRYPTION AND DECRYPTION BY [MS 08-11-2024] #
	
	public function cryptoEncrypt($data){
		try {
			// For Password Encryption
			$hash1     = hash('sha512', $data);
			$hash2     = hash('sha1', $hash1);
			$Hash3     = hash('haval160,4', $hash2); 
			$Hash4     = hash('haval160,5', $Hash3); 
			// Generate the HMAC hash
			$finalhash = hash_hmac('sha256', $Hash4, $this->enckey);		
			return $finalhash;
		} catch (Exception $e) {
			// Log the error or handle it as needed
			error_log("Encryption Error: " . $e->getMessage()); // Log the error for debugging
			return false;
		}
	}
	// THIS WAS NO NEEDED BECAUSE THIS FUNCTION DEFINED ON --- URL_HELPER FILE _ARN 20-09-2025
	// public function generateKey(){
	// 	$sess_id        = $this->session->userdata('__ci_last_regenerate');
	// 	$employee_code  = $this->session->userdata('logged_emp_code');
	// 	$encKey         = $this->config->item("encKey");
	// 	$combineKey     = $sess_id."||".$employee_code."||".$encKey;
	// 	$key            = hash('sha512', $combineKey);
	// 	return $key;
	// }
	// public function newcryptoEncrypt($data){
	// 	try {
	// 		$key            = $this->generateKey();
	// 		$password       = hash('sha512', $key);
	// 		$keySize        = 256;
	// 		$iterations     = 1000;
	// 		$encSalt        = bin2hex(random_bytes(16)); // 32 hex chars = 16 bytes
	// 		$encIv          = random_bytes(16);          // 16 bytes IV for AES-256-CBC
	// 		$encIvHex       = bin2hex($encIv);           // Convert IV to hex string
	// 		$encKey         = hash_pbkdf2('sha1', $password, hex2bin($encSalt), $iterations, $keySize / 8, true);
	// 		$jsonData       = json_encode($data);
	// 		$encrypted      = openssl_encrypt($jsonData,'AES-256-CBC',$encKey,OPENSSL_RAW_DATA,$encIv);

	// 		if(!$encrypted){
	// 			throw new Exception("Encryption failed");
	// 		}

	// 		$encString = $encSalt . $encIvHex . rtrim(strtr(base64_encode($encrypted), '+/', '-_'), '=');
	// 		return $encString;
	// 	}catch (Exception $e){
	// 		error_log("Encryption Error: " . $e->getMessage());
	// 		echo json_encode(array('success' => false, 'message' => 'Encryption failed. Please try again later.'));
	// 		exit(0);
	// 		return false;
	// 	}
	// }
}
?>