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

class Brands extends Admin_Controller {

	//this property is used for validating existing brand title on call back edit brand
	private $brand_current_id = NULL; 

	//this property is to mark whether we are uploading image in the index page
	private $imageupload_indexpage = FALSE;
		
	function __construct() { 
		parent::__construct();	
		$this->load->model('brand_m');
		$this->load->model('product_m');
	}
		
	//this is to list all brands
	public function index() {

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

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

			$this->imageupload_indexpage = TRUE;

			//if there is a form submit banner image description at landing page
			$image_filename = $this->image_processing($_FILES['userfile']['size']);

			//store image information to configuration table
			$data = array(
				'brand_landingpage_link' => $this->security->xss_clean($this->input->post('banner_link')),
				'brand_landingpage_description'	=> $this->security->xss_clean($this->input->post('description')),
			);

			//image upload
			if (isset($image_filename)) {
				$data['brand_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;">Brand Landing Page Edit Successful</p>');
		}

		//get landingpage banner image, description and link
		$this->db->select('brand_landingpage_description, brand_landingpage_image, brand_landingpage_link')->from('configuration')->where('id_configuration', 1);
		$this->data['brand_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/brands/index';
		$config['total_rows'] = $this->brand_m->record_count(); 
		$config['per_page'] = 100;
		$config['uri_segment'] = 4;

		$this->pagination->initialize($config);
   		$this->data['brands'] = $this->brand_m->get_all_brands($config['per_page'], 
		$this->uri->segment($config['uri_segment']));  

		//load view
		$this->data['subview'] = 'admin/brands/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 brand 
	public function add() {
	
		$this->data['brands'] = $this->brand_m->get_new();

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

			$logo_filename = $this->logo_processing($_FILES['userfile2']['size']);

			$data = $this->table_data_processing(
				$this->input->post('brand_name'), 
				$this->input->post('status'), 
				$this->input->post('description'), 
				$image_filename, 
				$logo_filename, 
				$this->input->post('priority'), 
				$this->input->post('meta_description'), 
				$this->input->post('meta_keywords'),
				$this->input->post('banner_link'));

			$this->brand_m->add_brand($data);

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

			redirect('admin/brands');
		} 
		
		$this->data['subview'] = 'admin/brands/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 brand in admin
	public function edit($id = NULL) {

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

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

		$this->data['brands'] = $this->brand_m->get($id);	

		$this->brand_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->brand_m->rules;
		$this->form_validation->set_rules($config); 

		if($this->form_validation->run($this) == TRUE) {
			
			$image_filename = $this->image_processing($_FILES['userfile']['size']);

			$logo_filename = $this->logo_processing($_FILES['userfile2']['size']);

		$data = $this->table_data_processing(
			$this->input->post('brand_name'), 
			$this->input->post('status'), 
			$this->input->post('description'), 
			$image_filename, 
			$logo_filename, 
			$this->input->post('priority'), 
			$this->input->post('meta_description'), 
			$this->input->post('meta_keywords'),
			$this->input->post('banner_link'));

			$this->brand_m->edit_brand($id, $data); 

			$this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Brand Edit Successful</p>');
			
			redirect('admin/brands/edit/' .  $id);
		} 
		
		$this->data['subview'] = 'admin/brands/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 brand
	public function delete($id) {

		//check if id exist. If not exist, show 404.
		$count = $this->brand_m->count_exist($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('brands')->where('id_brands', (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/brand/'. $image->image);
		}

		//delete brand
		$this->brand_m->delete($id); 

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


	//image upload processing
	private function image_processing($image_file_size) {

		//get max image width and height from configuration table
		$this->db->select('brand_image_width, brand_image_height')->from('configuration')->where('id_configuration', 1);
		$image_dimension = $this->db->get()->row();

		//check & processing image banner upload files	
		if ($image_file_size !== 0) {  	

			$config['upload_path'] = './uploads/brand/'; 
			$config['allowed_types'] = 'jpg|png'; 
			$config['max_size']	= '300';
			$config['max_width']  = $image_dimension->brand_image_width;
			$config['max_height']  = $image_dimension->brand_image_height;
			
			$this->load->library('upload', $config); 

			if ( ! $this->upload->do_upload()) {

                //echo $this->upload->display_errors(); die();
					
				$this->session->set_flashdata('banner_error', '<br>
					<p style="background:orange; color:white; padding:5px; font-weight:bold;">Image Upload Error. Wrong format or size.</p>');

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

	//logo upload processing
	private function logo_processing($logo_file_size) {

		//get max logo width and height from configuration table
		$this->db->select('brand_logo_width, brand_logo_height')->from('configuration')->where('id_configuration', 1);
		$logo_dimension = $this->db->get()->row();

		//check & processing image banner upload files	
		if ($logo_file_size !== 0) {  	

			$config['upload_path'] = './uploads/brand/'; 
			$config['allowed_types'] = 'jpg|png'; 
			$config['max_size']	= '200';
			$config['max_width']  = $logo_dimension->brand_logo_width;
			$config['max_height']  = $logo_dimension->brand_logo_height;
			
			$this->load->library('upload', $config); 

			if ( ! $this->upload->do_upload('userfile2')) {

                //echo $this->upload->display_errors(); die();
					
				$this->session->set_flashdata('logo_error', '<br>
					<p style="background:orange; color:white; padding:5px; font-weight:bold;">Image Upload Error. Wrong format or size.</p>');

				if ($this->brand_current_id != NULL) {
					redirect('admin/brands/edit/' . $this->brand_current_id);
				} else {
					redirect('admin/brands/add');
				}
			
			} else {

			$logo = $this->upload->data();
			$logo_filename = $logo['file_name']; 	 

			return $logo_filename; 

			}	
		}
	}

	private function table_data_processing($brand_name, $status, $description, $image_filename, $logo_filename, $priority, $meta_description, $meta_keywords, $banner_link) {

		$data = array(
			'brand' 		=> $this->security->xss_clean($brand_name),
			'alias' 		=> url_title($brand_name),
			'status' 		=> $status,
			'description' 	=> $description,
			'priority' 		=> $priority,
			'meta_description' => $this->security->xss_clean($meta_description),
			'meta_keywords'	=> $this->security->xss_clean($meta_keywords),
			'banner_link'	=> $banner_link
		);

		//image upload
		if (isset($image_filename)) {
			$data['image'] = $image_filename; 
		} 

		//logo upload
		if (isset($logo_filename)) {
			$data['logo'] = $logo_filename; 
		} 

		return $data; 
	}

	//callback function validation add new brand
	//make it private by adding _
	public function _cek_existing_brand_title($str) {

		$num_rows = $this->brand_m->cek_existing_brand_title($str, $this->brand_current_id);  
		 
		if ($num_rows != 0 ) {  
			$this->form_validation->set_message('_cek_existing_brand_title', 'Brand name already exist!');
			return FALSE;
		} else {
			return TRUE;  
		}
	}

	//To delete brand landingpage banner image file from server, and from database
	public function delete_landingpage_image() { 

		//get image file name for deletion
		$this->db->select('brand_landingpage_image')->from('configuration')->where('id_configuration', 1);
		$image = $this->db->get()->row()->brand_landingpage_image;

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

		//Delete image field from database
		$data = array( 
			'brand_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/brands'); 
	}

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

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

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

		//get image file name for deletion
		$this->db->select('image')->from('brands')->where('id_brands', (int) $id);
		$image = $this->db->get()->row();

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

		//Delete image field from database
		$data = array( 
			'image' => '',
		);

		$this->db->where('id_brands', (int) $id);
		$this->db->update('brands', $data);	

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

	//To delete brand logo file from server, and from database
	public function delete_logo($id = NULL) { 

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

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

		//get logo file name for deletion
		$this->db->select('logo')->from('brands')->where('id_brands', (int) $id);
		$image = $this->db->get()->row();

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

		//Delete image field from database
		$data = array( 
			'logo' => '',
		);

		$this->db->where('id_brands', (int) $id);
		$this->db->update('brands', $data);	

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