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

class Admin extends CI_Controller {

	/**
	 * Index Page for this controller.
	 *
	 * Maps to the following URL
	 * 		http://example.com/index.php/welcome
	 *	- or -
	 * 		http://example.com/index.php/welcome/index
	 *	- or -
	 * Since this controller is set as the default controller in
	 * config/routes.php, it's displayed at http://example.com/
	 *
	 * So any other public methods not prefixed with an underscore will
	 * map to /index.php/welcome/<method_name>
	 * @see https://codeigniter.com/userguide3/general/urls.html
	 */
	public function dashboard(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Vezérlőpult';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $this->load->view('admin/dashboard', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function services(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatások';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$data['results'] = $this->Service_model->getAllServices();

			$this->load->view('admin/services', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function add_service(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatás hozzáadás';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $data['serviceCategories'] = $this->Service_model->getAllServiceCategories();
			$this->load->view('admin/add-service', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}
	
	public function worker_schedule() {
	    $this->load->helper('url');
	    $this->load->model('Service_model');
	    $this->load->model('User_model');
	    $this->load->model('Module_model');

	    if (!isset($_SESSION['username'])) {
		header("Location:".SITEURL."login");
		exit;
	    }

	    $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);

	    if ($this->User_model->is_user_admin($_SESSION['username'])) {
		$data['activeModules'] = $this->Module_model->getAllModule();
	    } else {
		$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
	    }

	    $data['workers'] = $this->Service_model->getAllWorkers();

	    $worker_id = $this->input->get('worker_id');
	    if ($worker_id) {
		$data['selectedWorkerId'] = $worker_id;
		$data['schedule'] = $this->Service_model->getWorkerSchedule($worker_id);
	    } else {
		$data['selectedWorkerId'] = null;
		$data['schedule'] = [];
	    }

	    $this->load->view('admin/worker_schedule', $data);
	}
	
	public function worker_schedule_overrides() {
	    $this->load->model('Service_model');
	    $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
	    $data['workerSchedules'] = $this->Service_model->getWorkerScheduleOverrides();
	    $data['workers'] = $this->Service_model->getAllWorkers();
	    $data['pageTitle'] = 'Dolgozói egyedi munkaidők';
	    $this->load->view('admin/worker_schedule_overrides', $data);
	}
	
	public function admin_worker_schedule() {
        $this->load->helper('url');
        $this->load->model('User_model');
        $this->load->model('Service_model');

        $data['pageTitle'] = 'Munkarend beállítása';
        $data['workers'] = $this->Service_model->getAllWorkers();

        if ($this->input->post('storeSchedule')) {
            $this->load->database();
            $this->db->where('worker_id', $_POST['worker_id']);
            $this->db->delete('worker_schedule');

            foreach ($_POST['weekday'] as $i => $day) {
                $insert = [
                    'worker_id' => $_POST['worker_id'],
                    'weekday' => $day,
                    'start_time' => $_POST['start_time'][$i],
                    'end_time' => $_POST['end_time'][$i],
                    'is_alternate_week' => isset($_POST['is_alternate_week'][$i]) ? 1 : 0
                ];
                $this->db->insert('worker_schedule', $insert);
            }
        }

        if (!empty($_GET['worker_id'])) {
            $this->load->database();
            $worker_id = $_GET['worker_id'];
            $data['selectedWorkerId'] = $worker_id;
            $data['schedule'] = $this->db->query("SELECT * FROM worker_schedule WHERE worker_id = ?", array($worker_id))->result();
        }

        $this->load->view('admin/worker_schedule', $data);
    }

	public function store_worker_schedule() {
	    $this->load->model('Service_model');
	    $this->load->helper('url');

	    $worker_id = $this->input->post('worker_id');

	    if (!$worker_id) {
		show_error('Dolgozó nincs kiválasztva.');
		return;
	    }

	    // Clear existing schedule
	    $this->Service_model->clearWorkerSchedule($worker_id);

	    // Loop through submitted times
	    for ($i = 0; $i <= 6; $i++) {
		$start = $this->input->post("start_time[$i]");
		$end = $this->input->post("end_time[$i]");
		$alt = $this->input->post("alternate_week[$i]") ? 1 : 0;

		if (!empty($start) && !empty($end)) {
		    $this->Service_model->addWorkerSchedule([
		        'worker_id' => $worker_id,
		        'weekday' => $i,
		        'start_time' => $start,
		        'end_time' => $end,
		        'is_alternate_week' => $alt
		    ]);
		}
	    }

	    redirect('admin/worker_schedule');
	}


	public function manage_worker_schedule($worker_id = null) {
	    $this->load->model('Service_model');
	    $data['workers'] = $this->Service_model->getAllWorkers();
	    $data['selectedWorker'] = null;
	    $data['schedule'] = [];

	    if ($worker_id) {
		$data['selectedWorker'] = $this->Service_model->getWorkerById($worker_id);
		$data['schedule'] = $this->Service_model->getWorkerSchedule($worker_id);
	    }

	    $this->load->view('admin/manage_worker_schedule', $data);
	}

	public function save_worker_schedule() {
	    $this->load->model('Service_model');

	    $worker_id = $this->input->post('worker_id');
	    $this->Service_model->clearWorkerSchedule($worker_id);

	    foreach ($_POST['weekday'] as $index => $day) {
		if (!empty($_POST['start_time'][$index]) && !empty($_POST['end_time'][$index])) {
		    $this->Service_model->addWorkerSchedule([
		        'worker_id' => $worker_id,
		        'weekday' => $day,
		        'start_time' => $_POST['start_time'][$index],
		        'end_time' => $_POST['end_time'][$index],
		        'is_alternate_week' => isset($_POST['is_alternate_week'][$index]) ? 1 : 0
		    ]);
		}
	    }

	    redirect('admin/manage_worker_schedule/' . $worker_id);
	}

	
	public function update_service($service_id){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatás módosítása (#'.$service_id.')';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $data['selectedItem'] = $this->Service_model->getServiceById($service_id);
			$data['serviceCategories'] = $this->Service_model->getAllServiceCategories();
			$this->load->view('admin/update-service', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function service_process(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Log_model');

        if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = '';
			$data['message'] = '';
			$data['message_class'] = '';
            
			if(isset($_GET['delete-service'])){
				$selected_service = $this->Service_model->getServiceById($_GET['delete-service']);
				$serviceArray = array(
					'is_deleted' => '1'
				);
				
				$this->Service_model->updateService($_GET['delete-service'], $serviceArray);
				$this->Log_model->addLog('services', $data['currentUser']->username.' törölte a(z) '.$_GET['delete-service'].' számú szolgáltatást ('.$selected_service->service_name_hu.')', $data['currentUser']->username);

			}

			if(isset($_POST['addNewService'])){
				$serviceArray = array(
					'service_type' => $_POST['service_type'],
					'service_category_no' => $_POST['service_category_no'],
					'service_category_en' => $_POST['service_category_en'],
					'service_category_hu' => $_POST['service_category_hu'],
					'service_name_no' => $_POST['service_name_no'],
					'service_name_en' => $_POST['service_name_en'],
					'service_name_hu' => $_POST['service_name_hu'],
					'service_description_no' => $_POST['service_description_no'],
					'service_description_en' => $_POST['service_description_en'],
					'service_description_hu' => $_POST['service_description_hu'],
					'service_price' => $_POST['service_price'],
					'service_time' => $_POST['service_time'],
					'service_category_id' => $_POST['service_category_id'],
					'is_enabled' => $_POST['is_enabled']
				);

				$this->Log_model->addLog('services', $data['currentUser']->username.' hozzáadta a(z) '.$_POST['service_name_hu'].' szolgáltatást ('.implode(',',$serviceArray).')', $data['currentUser']->username);
				$this->Service_model->createService($serviceArray);
			}

			if(isset($_POST['updateService'])){
				$serviceArray = array(
					'service_type' => $_POST['service_type'],
					'service_category_no' => $_POST['service_category_no'],
					'service_category_en' => $_POST['service_category_en'],
					'service_category_hu' => $_POST['service_category_hu'],
					'service_name_no' => $_POST['service_name_no'],
					'service_name_en' => $_POST['service_name_en'],
					'service_name_hu' => $_POST['service_name_hu'],
					'service_description_no' => $_POST['service_description_no'],
					'service_description_en' => $_POST['service_description_en'],
					'service_description_hu' => $_POST['service_description_hu'],
					'service_price' => $_POST['service_price'],
					'service_time' => $_POST['service_time'],
					'service_category_id' => $_POST['service_category_id'],
					'is_enabled' => $_POST['is_enabled']
				);
				
				$this->Log_model->addLog('services', $data['currentUser']->username.' módosította a(z) '.$_POST['service_name_hu'].' szolgáltatást ('.implode(',',$serviceArray).')', $data['currentUser']->username);
				$this->Service_model->updateService($_POST['service_id'], $serviceArray);
			}

			header('Location:'.SITEURL.'services');
            $this->load->view('admin/service-process', $data);
        }
	}

	public function service_categories(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatás kategóriák';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$data['results'] = $this->Service_model->getAllServiceCategories();

			$this->load->view('admin/service-categories', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function add_service_category(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatás kategória hozzáadása';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            
			$this->load->view('admin/add-service-category', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function update_service_category($service_category_id){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Szolgáltatás módosítása (#'.$service_category_id.')';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $data['selectedItem'] = $this->Service_model->getServiceCategoryById($service_category_id);
			$this->load->view('admin/update-service-category', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function service_category_process(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Log_model');

        if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = '';
			$data['message'] = '';
			$data['message_class'] = '';
            
			if(isset($_GET['delete-service-category'])){
				$selected_service = $this->Service_model->getServiceCategoryById($_GET['delete-service-category']);
				$serviceArray = array(
					'is_deleted' => '1'
				);
				
				$this->Service_model->updateServiceCategory($_GET['delete-service-category'], $serviceArray);

			}

			if(isset($_POST['addNewServiceCategory'])){
				$serviceCategoryArray = array(
					'serv_cat_slug' => $_POST['serv_cat_slug'],
					'serv_cat_name' => $_POST['serv_cat_name']
				);

				$this->Service_model->createServiceCategory($serviceCategoryArray);
			}

			if(isset($_POST['updateServiceCategory'])){
				$serviceCategoryArray = array(
					'serv_cat_slug' => $_POST['serv_cat_slug'],
					'serv_cat_name' => $_POST['serv_cat_name']
				);
				
				$this->Service_model->updateServiceCategory($_POST['service_category_id'], $serviceCategoryArray);
			}

			header('Location:'.SITEURL.'service-categories');
            $this->load->view('admin/service-category-process', $data);
        }
	}
	public function workers(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Dolgozók';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $data['results'] = $this->Service_model->getAllWorkers();

			$this->load->view('admin/workers', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function add_worker(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Dolgozó hozzáadása';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

            $data['serviceCategories'] = $this->Service_model->getAllServiceCategories();
			$this->load->view('admin/add-worker', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function update_worker($worker_id){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Dolgozó módosítása (#'.$worker_id.')';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$data['serviceCategories'] = $this->Service_model->getAllServiceCategories();
            $data['selectedItem'] = $this->Service_model->getWorkerById($worker_id);
			$this->load->view('admin/update-worker', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function worker_process(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Log_model');
		
        if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = '';
			$data['message'] = '';
			$data['message_class'] = '';
            
			if(isset($_GET['delete-worker'])){
				$selected_worker = $this->Service_model->getWorkerById($_GET['delete-worker']);
				$workerArray = array(
					'is_deleted' => '1'
				);
				
				$this->Service_model->updateWorker($_GET['delete-worker'], $workerArray);
				$this->Log_model->addLog('workers', $data['currentUser']->username.' törölte a(z) '.$_GET['delete-worker'].' számú dolgozót ('.$selected_worker->worker_name.')', $data['currentUser']->username);
			}


			if(isset($_POST['addNewWorker'])){

				$data['worker_img'] = '';

				if($_FILES["worker_img"]["tmp_name"] != ''){
					$target_dir = getcwd()."/assets/img/";
					$target_file = $target_dir . 'worker_'.str_replace(' ','_', $_POST['worker_name']);
					$imageFileType = strtolower(pathinfo(basename($_FILES["worker_img"]["name"]),PATHINFO_EXTENSION));
					$allowedTypes = array('jpg', 'jpeg', 'png', 'gif', 'webp');

					if (!in_array($imageFileType, $allowedTypes)) {
						$data['message'] = 'Csak képfájlok engedélyezettek (jpg, png, gif, webp)!';
						$data['message_class'] = 'errorMessage';
					} elseif (move_uploaded_file($_FILES["worker_img"]["tmp_name"], $target_file.'.'.$imageFileType)) {
						$data['message'] = 'A profilkép sikeresen feltöltve!';
						$data['message_class'] = 'successMessage';
						$data['worker_img'] =	'worker_'.str_replace(' ','_', $_POST['worker_name']).'.'.$imageFileType;

					} else {
						$data['message'] = 'Hiba a feltöltés közben!';
						$data['message_class'] = 'errorMessage';
					}

				}

				$workerArray = array(
					'worker_name' => $_POST['worker_name'],
					'worker_info' => $_POST['worker_info'],
					'is_beauty' => $_POST['is_beauty'],
					'is_barber' => $_POST['is_barber'],
					'worker_profile_img' => $data['worker_img'],
					'service_category_id' => $_POST['service_category_id'],
					'is_active' => $_POST['is_active']
				);

				$this->Log_model->addLog('workers', $data['currentUser']->username.' létrehozta a(z) '.$_POST['worker_name'].' nevű dolgozót ('.implode(',',$workerArray).')', $data['currentUser']->username);
				$this->Service_model->createWorker($workerArray);
			}

			if(isset($_POST['updateWorker'])){
				$workerArray = array(
					'worker_name' => $_POST['worker_name'],
					'worker_info' => $_POST['worker_info'],
					'is_beauty' => $_POST['is_beauty'],
					'is_barber' => $_POST['is_barber'],
					'service_category_id' => $_POST['service_category_id'],
					'is_active' => $_POST['is_active'],
					'google_calendar_id' => isset($_POST['google_calendar_id']) ? $_POST['google_calendar_id'] : '',
					'ntfy_topic' => isset($_POST['ntfy_topic']) ? $_POST['ntfy_topic'] : '',
					'lunch_window_start'    => !empty($_POST['lunch_window_start'])    ? $_POST['lunch_window_start']    : null,
					'lunch_window_end'      => !empty($_POST['lunch_window_end'])      ? $_POST['lunch_window_end']      : null,
					'lunch_preferred_time'  => !empty($_POST['lunch_preferred_time'])  ? $_POST['lunch_preferred_time']  : null,
				);
				$this->Service_model->updateWorker($_POST['worker_id'], $workerArray);
				$this->Log_model->addLog('workers', $data['currentUser']->username.' módosította a(z) '.$_POST['worker_name'].' nevű dolgozót ('.implode(',',$workerArray).')', $data['currentUser']->username);

				if($_FILES["worker_img"]["tmp_name"] != ''){
					$target_dir = getcwd()."/assets/img/";
					$target_file = $target_dir . 'worker_'.str_replace(' ','_', $_POST['worker_name']);
					$imageFileType = strtolower(pathinfo(basename($_FILES["worker_img"]["name"]),PATHINFO_EXTENSION));
					$allowedTypes = array('jpg', 'jpeg', 'png', 'gif', 'webp');

					if (!in_array($imageFileType, $allowedTypes)) {
						$data['message'] = 'Csak képfájlok engedélyezettek (jpg, png, gif, webp)!';
						$data['message_class'] = 'errorMessage';
					} elseif (move_uploaded_file($_FILES["worker_img"]["tmp_name"], $target_file.'.'.$imageFileType)) {
						$data['message'] = 'A profilkép sikeresen feltöltve!';
						$data['message_class'] = 'successMessage';
						$data['worker_img'] =	'worker_'.str_replace(' ','_', $_POST['worker_name']).'.'.$imageFileType;
						$workerArray = array(
							'worker_profile_img' => $data['worker_img']
						);

						$this->Log_model->addLog('workers', $data['currentUser']->username.' profilképet állított be a(z) '.$_POST['worker_name'].' nevű dolgozóhoz', $data['currentUser']->username);
						$this->Service_model->updateWorker($_POST['worker_id'], $workerArray);

					} else {
						$data['message'] = 'Hiba a feltöltés közben!';
						$data['message_class'] = 'errorMessage';						
					}
					
				}
			}
			header("Location:".SITEURL."workers");
            $this->load->view('admin/worker-process', $data);
        }
	}

	public function bookings(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Foglalások';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$data['workers'] = $this->Service_model->getActiveWorkers();
			
			if(isset($_GET['worker'])){
				$data['results'] = $this->Service_model->getActualBookingsByWorkerID($_GET['worker']);
			}
			else{
				$data['results'] = $this->Service_model->getActualBookings();
			}

            
			$this->load->view('admin/bookings', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function add_booking(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Foglalás hozzáadása';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$available_services = $this->Service_model->getAvailableServices();

			$serviceFile = fopen("load_services.json", "w") or die("Unable to open file!");
			fwrite($serviceFile, json_encode($available_services));
			fclose($serviceFile);

            $data['workers'] = $this->Service_model->getAllWorkers();
			$this->load->view('admin/add-booking', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function update_booking($booking_id){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Module_model');

		if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = 'Foglalás módosítása (#'.$booking_id.')';
			$data['message'] = '';
			$data['message_class'] = '';
            if($this->User_model->is_user_admin($_SESSION['username'])){
				$data['activeModules'] = $this->Module_model->getAllModule();
			}
			else{
				$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
			}

			$available_services = $this->Service_model->getAvailableServices();

			$serviceFile = fopen("load_services.json", "w") or die("Unable to open file!");
			fwrite($serviceFile, json_encode($available_services));
			fclose($serviceFile);

            $data['workers'] = $this->Service_model->getAllWorkers();
            $data['selectedItem'] = $this->Service_model->getBookingById($booking_id);
			$this->load->view('admin/update-booking', $data);
        }
		else{
            header("Location:".SITEURL."login");
        }
	}

	public function booking_process(){
		$this->load->helper('url');
		$this->load->model('User_model');
		$this->load->model('Service_model');
		$this->load->model('Log_model');
		
        if(isset($_SESSION['username'])){
            $data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);
            $data['pageTitle'] = '';
			$data['message'] = '';
			$data['message_class'] = '';
            
			if(isset($_GET['delete-booking'])){
				$selectedBooking = $this->Service_model->getBookingById($_GET['delete-booking']);
				// Google Calendar: delete events before removing booking
				$this->load->library('GoogleCalendar');
				$this->config->load('google_calendar');
				$delWorker = $this->Service_model->getWorkerById($selectedBooking->worker_id);
				if(!empty($selectedBooking->gcal_event_id_worker) && $delWorker && !empty($delWorker->google_calendar_id)){
					$this->googlecalendar->deleteEvent($delWorker->google_calendar_id, $selectedBooking->gcal_event_id_worker);
				}
				$evelinCalIdDel = $this->config->item('gcal_evelin_calendar_id');
				if(!empty($selectedBooking->gcal_event_id_owner) && !empty($evelinCalIdDel)){
					$this->googlecalendar->deleteEvent($evelinCalIdDel, $selectedBooking->gcal_event_id_owner);
				}
				// ntfy push notification
				$this->_ntfy(
					'Admin deleted booking: ' . $selectedBooking->guest_name,
					'Worker: ' . ($delWorker ? $delWorker->worker_name : '?') . "\n" .
					'Date: ' . $selectedBooking->booking_date . ' ' . $selectedBooking->booking_start_time,
					($delWorker && isset($delWorker->ntfy_topic)) ? $delWorker->ntfy_topic : null
				);
				$this->Service_model->deleteBooking($_GET['delete-booking']);
				$this->Log_model->addLog('bookings', $data['currentUser']->username.' törölte a(z) '.$_GET['delete-booking'].' számú foglalást ('.$selectedBooking->guest_name.', '.$selectedBooking->guest_email.', '.$selectedBooking->guest_phone.', '.$selectedBooking->booking_date.', '.$selectedBooking->booking_start_time.', '.$selectedBooking->booking_finish_time.', '.$selectedBooking->service_ids.')', $data['currentUser']->username);
				header('Location:'.SITEURL.'bookings');
			}
	
			if(isset($_POST['addNewBookingManual'])){
				$booking_date = new DateTime(date('Y-m-d', strtotime($_POST['booking_date'])));
				$end_booking_date = new DateTime(date('Y-m-d', strtotime($_POST['end_booking_date'])));
				$diff = $booking_date->diff($end_booking_date);
				
				$selectedServiceArray = array();
	
				if($_POST['service_ids'] != ''){
					$selectedServiceArray = explode(',', $_POST['service_ids']);
					
				}
				
				if($_POST['booking_date'] != $_POST['end_booking_date'] && $booking_date <= $end_booking_date){
					for($index = 0; $index <= $diff->days; $index++){
						$selectedDate = date('Y-m-d', strtotime($_POST['booking_date']. ' + '.$index.' days'));
						
	
						$bookingArray = array(
							'guest_name' => $_POST['guest_name'],
							'guest_email' => $_POST['guest_email'],
							'guest_phone' => $_POST['guest_phone'],
							'worker_id' => $_POST['worker_id'],
							'booking_date' => $selectedDate,
							'booking_start_time' => $_POST['booking_start_time'],
							'booking_finish_time' => $_POST['booking_finish_time'],
							'service_ids' => serialize($selectedServiceArray),
							'guest_confirmed' => '0',
							'guest_confirm_code' => '1234',
						);
						
						$this->Service_model->createBooking($bookingArray);
					}
				}
				else{
					$bookingArray = array(
						'guest_name' => $_POST['guest_name'],
						'guest_email' => $_POST['guest_email'],
						'guest_phone' => $_POST['guest_phone'],
						'worker_id' => $_POST['worker_id'],
						'booking_date' => $_POST['booking_date'],
						'booking_start_time' => $_POST['booking_start_time'],
						'booking_finish_time' => $_POST['booking_finish_time'],
						'service_ids' => serialize($selectedServiceArray),
						'guest_confirmed' => '0',
						'guest_confirm_code' => '1234',
					);
					$this->Log_model->addLog('bookings', $data['currentUser']->username.' létrehoza a(z) '.$_POST['guest_name'].' nevű vendég foglalást ('.implode(', ', $bookingArray).')', $data['currentUser']->username);
					$this->Service_model->createBooking($bookingArray);
				}

				if($_POST['send_notification']){
					$worker = $this->Service_model->getWorkerById($bookingArray['worker_id']);
	
					$services = unserialize($bookingArray['service_ids']);
					$serviceArray = array();
					$emailArray = array();
					
					if(is_array($services)){
						foreach($services as $serviceItem){
							$selectedService = $this->Service_model->getServiceById($serviceItem);
							if(is_object($selectedService)){
								$serviceArray[] = $selectedService;
							}
						}
					}
					
					$content = '';
					
					switch($_POST['lang']){
						case 'no':
							$content = 'Kjære gjest,<br />';
							$content .= 'Takk for din bestilling!<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Navn: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>E-post: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Telefon: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Arbeider: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Dato: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Tid: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Tjenester: </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_no.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Totalpris: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' új foglalásról norvég nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);					
							break;
						case 'en':
							$content = 'Dear Guest,<br />';
							$content .= 'Thank you for your booking!<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Name: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>Email: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Phone: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Worker: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Date: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Time: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Services: </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_en.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Total price: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';	
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' új foglalásról angol nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);									
							break;
						case 'hu':
							$content = 'Kedves Vendégünk,<br />';
							$content .= 'Köszönettel fogadtuk a foglalását!<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Név: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>Email: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Telefon: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Dolgozó: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Dátum: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Időpont: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Szolgáltatás(ok): </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_hu.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Összesen fizetendő: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';	
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' új foglalásról magyar nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);									
							break;
					}
		
					$data['selectedLang'] = $_POST['lang'];
					
					$emailItem = array(
						'addressee_email' => $bookingArray['guest_email'], 
						'addressee_name' => $bookingArray['guest_name'],
						'subject' => '[studiobeve] Your booking has arrived',
						'content' => $content,
						'attachments' => array()
					);
					$emailArray[] = $emailItem;
					
					
					$this->User_model->sendEmail($emailArray, $_POST['lang'], '');
				}
				header('Location:'.SITEURL.'bookings');
			}
			
			if(isset($_POST['updateBookingManual'])){
				$selectedServiceArray = array();
	
				if($_POST['service_ids'] != ''){
					$selectedServiceArray = explode(',', $_POST['service_ids']);
					
				}
				
				$bookingArray = array(
					'guest_name' => $_POST['guest_name'],
					'guest_email' => $_POST['guest_email'],
					'guest_phone' => $_POST['guest_phone'],
					'worker_id' => $_POST['worker_id'],
					'booking_date' => $_POST['booking_date'],
					'booking_start_time' => $_POST['booking_start_time'],
					'booking_finish_time' => $_POST['booking_finish_time'],
					'service_ids' => serialize($selectedServiceArray),
					'guest_confirmed' => '0',
					'guest_confirm_code' => '1234'
				);
				$oldBooking = $this->Service_model->getBookingById($_POST['booking_id']);
				$this->Service_model->updateBooking($_POST['booking_id'], $bookingArray);
				$this->Log_model->addLog('bookings', $data['currentUser']->username.' módosította a foglalását a(z) '.$bookingArray['guest_name'].' nevű vendégnek ('.implode(', ', $bookingArray).')', $data['currentUser']->username);
				// Google Calendar: delete old events, create new ones
				$this->load->library('GoogleCalendar');
				$this->config->load('google_calendar');
				$evelinCalId = $this->config->item('gcal_evelin_calendar_id');
				if($oldBooking){
					$oldWorker = $this->Service_model->getWorkerById($oldBooking->worker_id);
					if(!empty($oldBooking->gcal_event_id_worker) && $oldWorker && !empty($oldWorker->google_calendar_id)){
						$this->googlecalendar->deleteEvent($oldWorker->google_calendar_id, $oldBooking->gcal_event_id_worker);
					}
					if(!empty($oldBooking->gcal_event_id_owner) && !empty($evelinCalId)){
						$this->googlecalendar->deleteEvent($evelinCalId, $oldBooking->gcal_event_id_owner);
					}
				}
				$gcalWorker = $this->Service_model->getWorkerById($bookingArray['worker_id']);
				$gcalServices = unserialize($bookingArray['service_ids']);
				$gcalServiceArray = array();
				if(is_array($gcalServices)){
					foreach($gcalServices as $sid){
						$svc = $this->Service_model->getServiceById($sid);
						if(is_object($svc)) $gcalServiceArray[] = $svc;
					}
				}
				$gcalServiceNames = implode(', ', array_map(function($s){ return $s->service_name_no; }, $gcalServiceArray));
				$gcalTitle       = $gcalWorker->worker_name . ' — ' . $gcalServiceNames . ' — ' . $bookingArray['guest_name'];
				$gcalDescription = 'Guest: ' . $bookingArray['guest_name'] . "\nPhone: " . $bookingArray['guest_phone'] . "\nEmail: " . $bookingArray['guest_email'];
				$gcalStart = $bookingArray['booking_date'] . 'T' . $bookingArray['booking_start_time'];
				$gcalEnd   = $bookingArray['booking_date'] . 'T' . $bookingArray['booking_finish_time'];
				$newWorkerEventId = null;
				$newOwnerEventId  = null;
				if(!empty($gcalWorker->google_calendar_id)){
					$newWorkerEventId = $this->googlecalendar->createEvent($gcalWorker->google_calendar_id, $gcalTitle, $gcalDescription, $gcalStart, $gcalEnd);
				}
				if(!empty($evelinCalId)){
					$newOwnerEventId = $this->googlecalendar->createEvent($evelinCalId, $gcalTitle, $gcalDescription, $gcalStart, $gcalEnd);
				}
				$this->Service_model->updateBookingCalEvents($_POST['booking_id'], $newWorkerEventId, $newOwnerEventId);
				// ntfy push notification
				$this->_ntfy(
					'Admin modified booking: ' . $bookingArray['guest_name'],
					'Worker: ' . $gcalWorker->worker_name . "\n" .
					'Date: '   . $bookingArray['booking_date'] . ' ' . $bookingArray['booking_start_time'] . ' - ' . $bookingArray['booking_finish_time'] . "\n" .
					'Services: ' . $gcalServiceNames,
					isset($gcalWorker->ntfy_topic) ? $gcalWorker->ntfy_topic : null
				);

				if($_POST['send_notification']){
					$worker = $this->Service_model->getWorkerById($bookingArray['worker_id']);
	
					$services = unserialize($bookingArray['service_ids']);
					$serviceArray = array();
					$emailArray = array();
					
					if(is_array($services)){
						foreach($services as $serviceItem){
							$selectedService = $this->Service_model->getServiceById($serviceItem);
							if(is_object($selectedService)){
								$serviceArray[] = $selectedService;
							}
						}
					}
					
					$content = '';
	
					$email_subject ='';
	
					switch($_POST['lang']){
						case 'no':
							$email_subject ='[studiobeve] Din reservasjon er endret';
							$content = 'Kjære gjest,<br />';
							$content .= 'Vi vil gjerne informere deg om at din reservasjon er endret.<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Navn: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>E-post: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Telefon: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Arbeider: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Dato: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Tid: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Tjenester: </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_no.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Totalpris: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';	
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' foglalás módosításról norvég nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);													
							break;
						case 'en':
							$email_subject ='[studiobeve] Your booking has changed';
							$content = 'Dear Guest,<br />';
							$content .= 'We inform you that your booking has changed.<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Name: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>Email: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Phone: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Worker: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Date: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Time: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Services: </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_en.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Total price: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';		
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' foglalás módosításról angol nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);																
							break;
						case 'hu':
							$email_subject ='[studiobeve] A foglalása módosult';
							$content = 'Kedves Vendégünk,<br />';
							$content .= 'Tájékoztatjuk, hogy a foglalása módosult.<br />';
							$content .= '<br />';
							$content .= '<table>';
							$content .= '<tr><td>Név: </td><td>'.$bookingArray['guest_name'].'</td></tr>';
							$content .= '<tr><td>Email: </td><td>'.$bookingArray['guest_email'].'</td></tr>';
							$content .= '<tr><td>Telefon: </td><td>'.$bookingArray['guest_phone'].'</td></tr>';
							$content .= '<tr><td>Dolgozó: </td><td>'.$worker->worker_name.'</td></tr>';
							$content .= '<tr><td>Dátum: </td><td>'.$bookingArray['booking_date'].'</td></tr>';
							$content .= '<tr><td>Időpont: </td><td>'.$bookingArray['booking_start_time'].' - '.$bookingArray['booking_finish_time'].'</td></tr>';
							$content .= '<tr><td>Szolgáltatás(ok): </td><td><table>';
							$totalServicePrice = 0;
							foreach($serviceArray as $serviceArrayItem){
								$totalServicePrice += $serviceArrayItem->service_price;
								$content .= '<tr><td>'.$serviceArrayItem->service_name_hu.'</td><td>'.$serviceArrayItem->service_price.' kr</td></tr>';
							}
							$content .= '</table></td>';
							$content .= '<tr><td>Összesen fizetendő: </td><td><strong>'.$totalServicePrice.' kr</strong></td></tr>';
							$content .= '</table>';
							$content .= '<br /> STUDIOBEVE';
							$this->Log_model->addLog('bookings', $data['currentUser']->username.' foglalás módosításról magyar nyelvű értesítést küldött a(z) '.$bookingArray['guest_email'].' email címre ('.implode(', ', $bookingArray).')', $data['currentUser']->username);																		
							break;
					}
	
								$data['selectedLang'] = $_POST['lang'];
								
								$emailItem = array(
									'addressee_email' => $bookingArray['guest_email'], 
									'addressee_name' => $bookingArray['guest_name'],
									'subject' => $email_subject,
									'content' => $content,
									'attachments' => array()
								);
								$emailArray[] = $emailItem;
							
					$this->User_model->sendEmail($emailArray, $_POST['lang'], '');
				}
				header('Location:'.SITEURL.'bookings');
			}

            $this->load->view('admin/booking-process', $data);
        }
	}

	private function _ntfy($title, $message, $workerTopic = null){
		$this->config->load('google_calendar');
		$evelinTopic = $this->config->item('ntfy_topic');
		$topics = [];
		if(!empty($evelinTopic)) $topics[] = $evelinTopic;
		if(!empty($workerTopic) && $workerTopic !== $evelinTopic) $topics[] = $workerTopic;
		if(empty($topics)) return;
		foreach($topics as $topic){
			$ch = curl_init('https://ntfy.sh/' . $topic);
			curl_setopt_array($ch, [
				CURLOPT_POST           => true,
				CURLOPT_POSTFIELDS     => $message,
				CURLOPT_HTTPHEADER     => ['Title: ' . $title, 'Priority: high', 'Tags: calendar'],
				CURLOPT_RETURNTRANSFER => true,
				CURLOPT_TIMEOUT        => 5,
			]);
			curl_exec($ch);
			curl_close($ch);
		}
	}


	public function worker_calendar($worker_id = null) {
		$this->load->helper('url');
		$this->load->model('Service_model');
		$this->load->model('User_model');
		$this->load->model('Module_model');

		if (!isset($_SESSION['username'])) {
			header("Location:".SITEURL."login");
			exit;
		}

		$data['currentUser'] = $this->User_model->getUserByUsername($_SESSION['username']);

		if ($this->User_model->is_user_admin($_SESSION['username'])) {
			$data['activeModules'] = $this->Module_model->getAllModule();
		} else {
			$data['activeModules'] = $this->Module_model->getUserModules($data['currentUser']->user_id);
		}

		$data['workers'] = $this->Service_model->getAllWorkers();
		$data['selectedWorker'] = null;
		$data['overridesByDate'] = [];
		$data['scheduleRows'] = [];

		$monthParam = $this->input->get('month');
		if ($monthParam && preg_match('/^\d{4}-\d{2}$/', $monthParam)) {
			list($year, $month) = explode('-', $monthParam);
			$year  = (int)$year;
			$month = (int)$month;
		} else {
			$year  = (int)date('Y');
			$month = (int)date('m');
		}
		$data['year']  = $year;
		$data['month'] = $month;

		if ($worker_id) {
			$data['selectedWorker']  = $this->Service_model->getWorkerById($worker_id);
			$data['overridesByDate'] = $this->Service_model->getWorkerOverridesByMonth($worker_id, $year, $month);
			$data['scheduleRows']    = $this->Service_model->getWorkerSchedule($worker_id);
		}

		// Compute lunch break slot for every working day of the month
		$data['lunchByDate'] = [];
		$sw = $data['selectedWorker'];
		if ($sw && !empty($sw->lunch_window_start) && !empty($sw->lunch_window_end)) {
			$monthBookings = $this->Service_model->getBookingsForWorkerMonth($worker_id, $year, $month);
			$scheduleMap   = [];
			foreach ($data['scheduleRows'] as $row) {
				$scheduleMap[$row->weekday] = $row;
			}
			$daysInMonth = (int)date('t', mktime(0, 0, 0, $month, 1, $year));
			for ($d = 1; $d <= $daysInMonth; $d++) {
				$dateStr  = $year . '-' . str_pad($month, 2, '0', STR_PAD_LEFT) . '-' . str_pad($d, 2, '0', STR_PAD_LEFT);
				$override = isset($data['overridesByDate'][$dateStr]) ? $data['overridesByDate'][$dateStr] : null;
				if ($override && $override->is_day_off) continue;
				if ($override && !$override->is_day_off && $override->end_time) {
					$shiftStart = new DateTime($dateStr . ' ' . $override->start_time);
					$shiftEnd   = new DateTime($dateStr . ' ' . $override->end_time);
				} else {
					$phpWeekday = (int)date('w', strtotime($dateStr));
					if (!isset($scheduleMap[$phpWeekday])) continue;
					$shiftStart = new DateTime($dateStr . ' ' . $scheduleMap[$phpWeekday]->start_time);
					$shiftEnd   = new DateTime($dateStr . ' ' . $scheduleMap[$phpWeekday]->end_time);
				}
				$dayBookings = isset($monthBookings[$dateStr]) ? $monthBookings[$dateStr] : [];
				$lunch = $this->Service_model->computeLunchBreak(
					$sw->lunch_window_start, $sw->lunch_window_end,
					$dateStr, $dayBookings, $shiftEnd, $shiftStart,
					isset($sw->lunch_preferred_time) ? $sw->lunch_preferred_time : null
				);
				if ($lunch) $data['lunchByDate'][$dateStr] = $lunch;
			}
		}

		$data['pageTitle'] = 'Munkaidő naptár';
		$this->load->view('admin/worker_calendar', $data);
	}

	public function store_calendar_override() {
		$this->load->model('Service_model');
		$this->load->helper('url');

		if (!isset($_SESSION['username'])) {
			header("Location:".SITEURL."login");
			exit;
		}

		$worker_id  = $this->input->post('worker_id');
		$start_date = $this->input->post('start_date');
		$end_date   = $this->input->post('end_date') ?: $start_date;
		$type       = $this->input->post('override_type');
		$start_time = $this->input->post('start_time');
		$end_time   = $this->input->post('end_time');
		$note       = $this->input->post('note');

		$current = strtotime($start_date);
		$last    = strtotime($end_date);
		$guard   = 0;

		while ($current <= $last && $guard < 366) {
			$dateStr = date('Y-m-d', $current);
			if ($type === 'remove') {
				$this->Service_model->deleteWorkerScheduleOverrideByDate($worker_id, $dateStr);
			} else {
				$data = [];
				if ($type === 'day_off') {
					$data['is_day_off']   = 1;
					$data['absence_type'] = null;
					$data['start_time']   = null;
					$data['end_time']     = null;
					$data['note']         = null;
				} elseif ($type === 'custom') {
					$data['is_day_off']   = 0;
					$data['absence_type'] = 'custom';
					$data['start_time']   = $start_time;
					$data['end_time']     = $end_time;
					$data['note']         = $note;
				} else {
					// vacation, sick, other
					$data['is_day_off']   = 1;
					$data['absence_type'] = $type;
					$data['start_time']   = null;
					$data['end_time']     = null;
					$data['note']         = $note;
				}
				$this->Service_model->upsertWorkerScheduleOverride($worker_id, $dateStr, $data);
			}
			$current = strtotime('+1 day', $current);
			$guard++;
		}

		$monthParam = date('Y-m', strtotime($start_date));
		redirect('workers/worker-calendar/' . $worker_id . '?month=' . $monthParam);
	}

	public function delete_calendar_override() {
		$this->load->model('Service_model');
		$this->load->helper('url');

		if (!isset($_SESSION['username'])) {
			header("Location:".SITEURL."login");
			exit;
		}

		$worker_id = $this->input->post('worker_id');
		$date      = $this->input->post('date');

		$this->Service_model->deleteWorkerScheduleOverrideByDate($worker_id, $date);
		$monthParam = date('Y-m', strtotime($date));
		redirect('workers/worker-calendar/' . $worker_id . '?month=' . $monthParam);
	}

}