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

class Services extends Admin_Controller {

	private $service_current_id = null; 
	private $imageupload_indexpage = FALSE;
		
	function __construct() { 
		parent::__construct();	
		$this->load->model('service_m');  
		$this->load->library('Sitemap');
	} 
		
	//this is to list all services
	public function index() {

		$this->load->helper('form');

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

			$this->imageupload_indexpage = TRUE;

			//if there is a form submit banner image description at landing page
			$image_filename = $this->image_processing($_FILES['userfile']['size']);
		
			//image upload
			if (isset($image_filename)) {
				$data['service_landingpage_image'] = $image_filename; 
			} 
			$this->db->where('id_configuration', 1);
			$this->db->update('configuration', $data); 

			$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">service Landing Page Edit Successful</p>');
		}

		//get landingpage banner image, description and link
		$this->db->select('service_landingpage_image')->from('configuration')->where('id_configuration', 1);
		$this->data['service_landingpage'] = $this->db->get()->row();

		//pagination in action. 100 results per page
		$this->load->library('pagination');

		$config = array();
		$this->load->helper('pagination_helper');
		$config = pagination_format();
		$config['base_url'] = base_url() . 'admin/services/index';
		$config['total_rows'] = $this->service_m->record_count(); 
		$config['per_page'] = 100;
		$config['uri_segment'] = 4;

		$this->pagination->initialize($config);
   		$this->data['services'] = $this->service_m->get_all_services($config['per_page'], 
		$this->uri->segment($config['uri_segment']));  

		//load view
		$this->data['subview'] = 'admin/services/index';
		$this->load->view('admin/templates/header', $this->data_header); 
		$this->load->view('admin/_layout_main', $this->data);
		$this->load->view('admin/templates/footer');		
    }
	
	//to add a new service 
	public function add() {
		$this->data['services'] = $this->service_m->get_new();

		//get ordering number and display at add form
		$this->db->select_max('priority')->from('services');
		$current_priority = $this->db->get()->row()->priority;
		if($current_priority == NULL) {
			$this->data['services']->priority = 1;	
		} else {
			$this->data['services']->priority = $current_priority + 1;
		}

		//validation in action
		$this->load->library('form_validation');
		$this->form_validation->set_error_delimiters('<div class="error">', '</div>'); 
		$config = $this->service_m->rules;
		$this->form_validation->set_rules($config); 

		//add $this because we use hmvc
		if($this->form_validation->run($this) == TRUE) {
			$image_filename = $this->image_processing($_FILES['userfile'],'userfile');
			$image_filename1 = $this->image_processing($_FILES['userfile1'],'userfile1');
			$image_filename2 = $this->image_processing($_FILES['userfile2'],'userfile2');
			$image_filename3 = $this->image_processing($_FILES['userfile3'],'userfile3');
			$image_filename4 = $this->image_processing($_FILES['userfile4'],'userfile4');

			$data = $this->table_data_processing(
				$image_filename,
				$image_filename1,
				$image_filename2,
				$image_filename3,
				$image_filename4
			);

			$this->service_m->add_service($data);

			// generate site map
	    	$this->sitemap->create();

			$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Service Add Successful</p>');

			redirect('admin/services');
		} 
		
		$this->data['subview'] = 'admin/services/edit';
		$this->load->view('admin/templates/header', $this->data_header); 
		$this->load->view('admin/_layout_main', $this->data);
		$this->load->view('admin/templates/footer');	
	}
	
	//to edit service in admin
	public function edit($id = NULL) {

		if ($id == NULL) { show_404(); }

		//check if id exist. If not exist, show 404.
		$count = $this->service_m->count_exist($id);
		if ($count == 0) { show_404(); } 		

		$this->data['services'] = $this->service_m->get($id);	 

		$this->service_current_id = (int) $id;

		//validation check in action
		$this->load->library('form_validation');
		$this->form_validation->set_error_delimiters('<div class="error">', '</div>'); //above is to add class to form validation error, to be styled
		
		$config = $this->service_m->rules;
		$this->form_validation->set_rules($config); 

		if($this->form_validation->run($this) == TRUE) {
			$image_filename = $this->image_processing($_FILES['userfile'],'userfile');
			$image_filename1 = $this->image_processing($_FILES['userfile1'],'userfile1');
			$image_filename2 = $this->image_processing($_FILES['userfile2'],'userfile2');
			$image_filename3 = $this->image_processing($_FILES['userfile3'],'userfile3');
			$image_filename4 = $this->image_processing($_FILES['userfile4'],'userfile4');

			$data = $this->table_data_processing(
				$image_filename,
				$image_filename1,
				$image_filename2,
				$image_filename3,
				$image_filename4
			);

			$this->service_m->edit_service($id, $data); 

			// generate site map
	    	$this->sitemap->create();

			$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Service Edit Successful</p>');
			
			redirect('admin/services/edit/' .  $id);
		} 
	
		$this->data['subview'] = 'admin/services/edit';
		$this->load->view('admin/templates/header', $this->data_header); 
		$this->load->view('admin/_layout_main', $this->data);
		$this->load->view('admin/templates/footer');	
	}
	

	//to delete a service
	public function delete($id) {
		//check if id exist. If not exist, show 404.
		$count = $this->service_m->count_exist($id);
		
		if ($count == 0) { 
			//page not exist
			show_404();
		}		

		//delete image from server
		//check if there is an existing image
		$this->db->select('image')->from('services')->where('id', (int) $id);
		$image = $this->db->get()->row();
		
		if ($image->image != '' || $image->image != NULL) {
			
			//Delete the actual image file from server. FCPATH is codeigniter base path
			unlink(FCPATH .'/uploads/service/'. $image->image);
		}

		//delete service
		$this->service_m->delete($id);  

		$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Service Delete Successful</p>');
		redirect('admin/services');
	} 

	//image upload processing
	private function image_processing($image_file, $input_name) {

		//check & processing image banner upload files	
		if ($image_file['size'] !== 0) {  	
			$config['upload_path'] = './uploads/service/'; 
			$config['allowed_types'] = 'jpg|png|jpeg'; 
			$config['max_size']	= '600';
			// $config['max_width']  = '350';
			// $config['max_height']  = '477';
			
			$this->load->library('upload', $config);   
			$this->upload->initialize($config);

			if ( ! $this->upload->do_upload($input_name)) {
        //echo $this->upload->display_errors(); die();
				
				$this->session->set_flashdata('banner_error', "<br>
					<p style='background:orange; color:white; padding:5px; font-weight:bold;'>{$this->upload->display_errors()}</p>");

				if ($this->service_current_id != NULL) {
					redirect('admin/services/edit/' . $this->service_current_id);
				} elseif($this->service_current_id == NULL && $this->imageupload_indexpage == FALSE) {
					redirect('admin/services/add');
				} elseif($this->service_current_id == NULL && $this->imageupload_indexpage == TRUE) {
					redirect('admin/services');
				}
			
			} else {
				$image = $this->upload->data();
				$image_filename = $image['file_name']; 	 
				return $image_filename; 
			}	
		}
	}

	private function table_data_processing($image_filename, $image_filename1, $image_filename2, $image_filename3, $image_filename4) {
		$data = array(
			'name' 	=> $this->security->xss_clean($this->input->post('name')),
			'slug' 	=> url_title(strtolower($this->security->xss_clean($this->input->post('name')))),
			'status' 	=> $this->security->xss_clean($this->input->post('status')),
			'title1' 	=> $this->security->xss_clean($this->input->post('title1')),
			'title2' 	=> $this->security->xss_clean($this->input->post('title2')),
			'title3' 	=> $this->security->xss_clean($this->input->post('title3')),
			'title4' 	=> $this->security->xss_clean($this->input->post('title4')),
			'description1' 	=> $this->input->post('description1'),
			'description2' 	=> $this->input->post('description2'),
			'description3' 	=> $this->input->post('description3'),
			'description4' 	=> $this->input->post('description4'),
			'priority' 		=> $this->security->xss_clean($this->input->post('priority')),
			'meta_description' => $this->security->xss_clean($this->input->post('meta_description')),
			'meta_keywords' => $this->security->xss_clean($this->input->post('meta_keywords')),
			'meta_title' => $this->security->xss_clean($this->input->post('meta_title'))
		);
		//image upload
		if (isset($image_filename)) {
			$data['image'] = $image_filename; 
		} 
		if (isset($image_filename1)) {
			$data['image1'] = $image_filename1; 
		} 
		if (isset($image_filename2)) {
			$data['image2'] = $image_filename2; 
		} 
		if (isset($image_filename3)) {
			$data['image3'] = $image_filename3; 
		} 
		if (isset($image_filename4)) {
			$data['image4'] = $image_filename4; 
		} 
		return $data; 
	}

	//To delete service landingpage banner image file from server, and from database
	public function delete_landingpage_image() { 
		//get image file name for deletion
		$this->db->select('service_landingpage_image')->from('configuration')->where('id_configuration', 1);
		$image = $this->db->get()->row()->service_landingpage_image;

		//Delete the actual image file from server. FCPATH is codeigniter base path
		unlink(FCPATH .'/uploads/service/'. $image);

		//Delete image field from database
		$data = array( 
			'service_landingpage_image' => '',
		);
		$this->db->where('id_configuration', 1);
		$this->db->update('configuration', $data);	

		$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Image Delete Successful</p>');
		
		redirect('admin/services'); 
	}

	//To delete service banner image file from server, and from database
	public function delete_image($id = NULL, $img_num = NULL) { 

		$count = $this->service_m->count_exist($id);

		if ($id == NULL || $count == 0) {	
			redirect('admin/services');
		}

		if($img_num) {
			//delete sub image
			switch ($img_num) {
				case '1':
					$this->db->select('image1')->from('services')->where('id', (int) $id);
					$image = $this->db->get()->row();
					//Delete the actual image file from server. FCPATH is codeigniter base path
					unlink(FCPATH .'/uploads/service/'. $image->image1);
					//Delete image field from database
					$data = array( 
						'image1' => '',
					);
					break;
				case '2':
					$this->db->select('image2')->from('services')->where('id', (int) $id);
					$image = $this->db->get()->row();
					//Delete the actual image file from server. FCPATH is codeigniter base path
					unlink(FCPATH .'/uploads/service/'. $image->image2);
					//Delete image field from database
					$data = array( 
						'image2' => '',
					);
					break;
				case '3':
					$this->db->select('image3')->from('services')->where('id', (int) $id);
					$image = $this->db->get()->row();
					//Delete the actual image file from server. FCPATH is codeigniter base path
					unlink(FCPATH .'/uploads/service/'. $image->image3);
					//Delete image field from database
					$data = array( 
						'image3' => '',
					);
					break;
				case '4':
					$this->db->select('image4')->from('services')->where('id', (int) $id);
					$image = $this->db->get()->row();
					//Delete the actual image file from server. FCPATH is codeigniter base path
					unlink(FCPATH .'/uploads/service/'. $image->image4);
					//Delete image field from database
					$data = array( 
						'image4' => '',
					);
					break;
		 	}
			$this->db->where('id', (int) $id); 
			$this->db->update('services', $data);	

		} else {
			//delete intro image
			$this->db->select('image')->from('services')->where('id', (int) $id);
			$image = $this->db->get()->row();

			//Delete the actual image file from server. FCPATH is codeigniter base path
			unlink(FCPATH .'/uploads/service/'. $image->image);

			//Delete image field from database
			$data = array( 
				'image' => '',
			);
			$this->db->where('id', (int) $id); 
			$this->db->update('services', $data);	
		}

		$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Image Delete Successful</p>');
		
		redirect('admin/services/edit/' . $id); 
	}	
}