<?php
class ControllerCatalogInformation extends Controller {
	private $error = array();
    private $information_id = 0;
    private $ipath = array();

	public function index() {
		$this->load->language('catalog/information');

		$this->document->setTitle($this->language->get('heading_title'));

		$this->load->model('catalog/information');

		$this->getList();
	}

	public function add() {
		$this->load->language('catalog/information');

		$this->document->setTitle($this->language->get('heading_title'));

		$this->load->model('catalog/information');

		if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
			$this->model_catalog_information->addInformation($this->request->post);

			$this->session->data['success'] = $this->language->get('text_success');

			$url = '';

			if (isset($this->request->get['sort'])) {
				$url .= '&sort=' . $this->request->get['sort'];
			}

			if (isset($this->request->get['order'])) {
				$url .= '&order=' . $this->request->get['order'];
			}

			if (isset($this->request->get['page'])) {
				$url .= '&page=' . $this->request->get['page'];
			}

			$this->response->redirect($this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true));
		}

		$this->getForm();
	}

	public function edit() {
		$this->load->language('catalog/information');

		$this->document->setTitle($this->language->get('heading_title'));

		$this->load->model('catalog/information');

		if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
			$this->model_catalog_information->editInformation($this->request->get['information_id'], $this->request->post);

			$this->session->data['success'] = $this->language->get('text_success');

			$url = '';

			if (isset($this->request->get['sort'])) {
				$url .= '&sort=' . $this->request->get['sort'];
			}

			if (isset($this->request->get['order'])) {
				$url .= '&order=' . $this->request->get['order'];
			}

			if (isset($this->request->get['page'])) {
				$url .= '&page=' . $this->request->get['page'];
			}

			$this->response->redirect($this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true));
		}

		$this->getForm();
	}

	public function delete() {
		$this->load->language('catalog/information');

		$this->document->setTitle($this->language->get('heading_title'));

		$this->load->model('catalog/information');

		if (isset($this->request->post['selected']) && $this->validateDelete()) {
			foreach ($this->request->post['selected'] as $information_id) {
				$this->model_catalog_information->deleteInformation($information_id);
			}

			$this->session->data['success'] = $this->language->get('text_success');

			$url = '';

			if (isset($this->request->get['sort'])) {
				$url .= '&sort=' . $this->request->get['sort'];
			}

			if (isset($this->request->get['order'])) {
				$url .= '&order=' . $this->request->get['order'];
			}

			if (isset($this->request->get['page'])) {
				$url .= '&page=' . $this->request->get['page'];
			}

			$this->response->redirect($this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true));
		}

		$this->getList();
	}

    public function repair() {
            $this->language->load('catalog/information');
            $this->document->setTitle($this->language->get('heading_title'));
            $this->load->model('catalog/information');

            if ($this->validateRepair()) {

                $this->model_catalog_information->repairInformations();

            $this->session->data['success'] = $this->language->get('text_success');

            $this->response->redirect($this->url->link('catalog/information', 'token=' . $this->session->data['token'], 'SSL'));
        }

        $this->getList();
    }

	protected function getList() {
		if (isset($this->request->get['sort'])) {
			$sort = $this->request->get['sort'];
		} else {
			$sort = 'id.title';
		}

		if (isset($this->request->get['order'])) {
			$order = $this->request->get['order'];
		} else {
			$order = 'ASC';
		}

		if (isset($this->request->get['page'])) {
			$page = $this->request->get['page'];
		} else {
			$page = 1;
		}

		$url = '';

		if (isset($this->request->get['sort'])) {
			$url .= '&sort=' . $this->request->get['sort'];
		}

		if (isset($this->request->get['order'])) {
			$url .= '&order=' . $this->request->get['order'];
		}

		if (isset($this->request->get['page'])) {
			$url .= '&page=' . $this->request->get['page'];
		}

		$data['breadcrumbs'] = array();

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('text_home'),
			'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
		);

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('heading_title'),
			'href' => $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true)
		);

		$data['add'] = $this->url->link('catalog/information/add', 'token=' . $this->session->data['token'] . $url, true);
        $data['repair'] = $this->url->link('catalog/information/repair', 'token=' . $this->session->data['token'] . $url, 'SSL');
		$data['delete'] = $this->url->link('catalog/information/delete', 'token=' . $this->session->data['token'] . $url, true);

		$data['informations'] = array();

		$filter_data = array(
			'sort'  => $sort,
			'order' => $order,
			'start' => ($page - 1) * $this->config->get('config_limit_admin'),
			'limit' => $this->config->get('config_limit_admin')
		);

        if (isset($this->request->get['ipath'])) {

            if ($this->request->get['ipath'] != '') {

                $this->ipath = explode('_', $this->request->get['ipath']);

                $this->information_id = end($this->ipath);

                $this->session->data['ipath'] = $this->request->get['ipath'];

            } else {

                unset($this->session->data['ipath']);

            }
    		} elseif (isset($this->session->data['ipath'])) {

            $this->ipath = explode('_', $this->session->data['ipath']);

            $this->information_id = end($this->ipath);
 		}

        $data['informations'] = $this->getInformations(0, '', '', $filter_data);

        $information_total = count($data['informations']);

        $data['informations'] = array_slice($data['informations'], ($page - 1) * $this->config->get('config_limit_admin'), $this->config->get('config_limit_admin'));

		$data['heading_title'] = $this->language->get('heading_title');

		$data['text_list'] = $this->language->get('text_list');
		$data['text_no_results'] = $this->language->get('text_no_results');
		$data['text_confirm'] = $this->language->get('text_confirm');

		$data['column_title'] = $this->language->get('column_title');
		$data['column_sort_order'] = $this->language->get('column_sort_order');
		$data['column_action'] = $this->language->get('column_action');

		$data['button_add'] = $this->language->get('button_add');
		$data['button_edit'] = $this->language->get('button_edit');
		$data['button_delete'] = $this->language->get('button_delete');
        $data['button_rebuild'] = $this->language->get('button_rebuild');

		if (isset($this->error['warning'])) {
			$data['error_warning'] = $this->error['warning'];
		} else {
			$data['error_warning'] = '';
		}

		if (isset($this->session->data['success'])) {
			$data['success'] = $this->session->data['success'];

			unset($this->session->data['success']);
		} else {
			$data['success'] = '';
		}

		if (isset($this->request->post['selected'])) {
			$data['selected'] = (array)$this->request->post['selected'];
		} else {
			$data['selected'] = array();
		}

		$url = '';

		if ($order == 'ASC') {
			$url .= '&order=DESC';
		} else {
			$url .= '&order=ASC';
		}

		if (isset($this->request->get['page'])) {
			$url .= '&page=' . $this->request->get['page'];
		}

		$data['sort_title'] = $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . '&sort=id.title' . $url, true);
		$data['sort_sort_order'] = $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . '&sort=i.sort_order' . $url, true);

		$url = '';

		if (isset($this->request->get['sort'])) {
			$url .= '&sort=' . $this->request->get['sort'];
		}

		if (isset($this->request->get['order'])) {
			$url .= '&order=' . $this->request->get['order'];
		}

        if (isset($this->request->get['ipath'])) {
            $url .= '&ipath=' . $this->request->get['ipath'];
    	}

		$pagination = new Pagination();
		$pagination->total = $information_total;
		$pagination->page = $page;
		$pagination->limit = $this->config->get('config_limit_admin');
		$pagination->url = $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url . '&page={page}', true);

		$data['pagination'] = $pagination->render();

		$data['results'] = sprintf($this->language->get('text_pagination'), ($information_total) ? (($page - 1) * $this->config->get('config_limit_admin')) + 1 : 0, ((($page - 1) * $this->config->get('config_limit_admin')) > ($information_total - $this->config->get('config_limit_admin'))) ? $information_total : ((($page - 1) * $this->config->get('config_limit_admin')) + $this->config->get('config_limit_admin')), $information_total, ceil($information_total / $this->config->get('config_limit_admin')));

		$data['sort'] = $sort;
		$data['order'] = $order;

		$data['header'] = $this->load->controller('common/header');
		$data['column_left'] = $this->load->controller('common/column_left');
		$data['footer'] = $this->load->controller('common/footer');

		$this->response->setOutput($this->load->view('catalog/information_list', $data));
	}

	protected function getForm() {
		$data['heading_title'] = $this->language->get('heading_title');

		$data['text_form'] = !isset($this->request->get['information_id']) ? $this->language->get('text_add') : $this->language->get('text_edit');
		$data['text_default'] = $this->language->get('text_default');
		$data['text_enabled'] = $this->language->get('text_enabled');
		$data['text_disabled'] = $this->language->get('text_disabled');
        $data['text_none'] = $this->language->get('text_none');
        $data['text_page_template'] = $this->language->get('text_page_template');
        $data['text_default_template'] = $this->language->get('text_default_template');

		$data['entry_title'] = $this->language->get('entry_title');
		$data['entry_description'] = $this->language->get('entry_description');
		$data['entry_short_description'] = $this->language->get('entry_short_description');
		$data['entry_meta_title'] = $this->language->get('entry_meta_title');
		$data['entry_meta_description'] = $this->language->get('entry_meta_description');
		$data['entry_meta_keyword'] = $this->language->get('entry_meta_keyword');
		$data['entry_keyword'] = $this->language->get('entry_keyword');
        $data['entry_image'] = $this->language->get('entry_image');
        $data['entry_parent'] = $this->language->get('entry_parent');
		$data['entry_store'] = $this->language->get('entry_store');
		$data['entry_bottom'] = $this->language->get('entry_bottom');
        $data['entry_top'] = $this->language->get('entry_top');
		$data['entry_sort_order'] = $this->language->get('entry_sort_order');
		$data['entry_status'] = $this->language->get('entry_status');
		$data['entry_layout'] = $this->language->get('entry_layout');

		$data['help_keyword'] = $this->language->get('help_keyword');
		$data['help_bottom'] = $this->language->get('help_bottom');
        $data['help_top'] = $this->language->get('help_top');

		$data['button_save'] = $this->language->get('button_save');
		$data['button_cancel'] = $this->language->get('button_cancel');

		$data['tab_general'] = $this->language->get('tab_general');
		$data['tab_data'] = $this->language->get('tab_data');
		$data['tab_design'] = $this->language->get('tab_design');

		if (isset($this->error['warning'])) {
			$data['error_warning'] = $this->error['warning'];
		} else {
			$data['error_warning'] = '';
		}

		if (isset($this->error['title'])) {
			$data['error_title'] = $this->error['title'];
		} else {
			$data['error_title'] = array();
		}

		if (isset($this->error['description'])) {
			$data['error_description'] = $this->error['description'];
		} else {
			$data['error_description'] = array();
		}

		if (isset($this->error['meta_title'])) {
			$data['error_meta_title'] = $this->error['meta_title'];
		} else {
			$data['error_meta_title'] = array();
		}

		if (isset($this->error['keyword'])) {
			$data['error_keyword'] = $this->error['keyword'];
		} else {
			$data['error_keyword'] = '';
		}

		$url = '';

		if (isset($this->request->get['sort'])) {
			$url .= '&sort=' . $this->request->get['sort'];
		}

		if (isset($this->request->get['order'])) {
			$url .= '&order=' . $this->request->get['order'];
		}

		if (isset($this->request->get['page'])) {
			$url .= '&page=' . $this->request->get['page'];
		}

		$data['breadcrumbs'] = array();

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('text_home'),
			'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
		);

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('heading_title'),
			'href' => $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true)
		);

		if (!isset($this->request->get['information_id'])) {
			$data['action'] = $this->url->link('catalog/information/add', 'token=' . $this->session->data['token'] . $url, true);
		} else {
			$data['action'] = $this->url->link('catalog/information/edit', 'token=' . $this->session->data['token'] . '&information_id=' . $this->request->get['information_id'] . $url, true);
		}

		$data['cancel'] = $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . $url, true);

		if (isset($this->request->get['information_id']) && ($this->request->server['REQUEST_METHOD'] != 'POST')) {
			$information_info = $this->model_catalog_information->getInformation($this->request->get['information_id']);
		}

		$data['token'] = $this->session->data['token'];

		$this->load->model('localisation/language');

		$directory = DIR_CATALOG.'/view/theme/brech/template/information/patterns';

        $patterns = array_diff(scandir($directory), array('..', '.'));

        $data['patterns'] = array();

        if($patterns) {
            foreach ($patterns as $pattern) {
                $data['patterns'][] = array(
                    'title' => ucfirst(substr(str_replace('_', ' ', $pattern), 0, -4)),
                    'value' => $pattern
                );

            }
        }

		$data['languages'] = $this->model_localisation_language->getLanguages();

		if (isset($this->request->post['information_description'])) {
			$data['information_description'] = $this->request->post['information_description'];
		} elseif (isset($this->request->get['information_id'])) {
			$data['information_description'] = $this->model_catalog_information->getInformationDescriptions($this->request->get['information_id']);
		} else {
			$data['information_description'] = array();
		}

        $informations = $this->model_catalog_information->getAllInformations();

        $data['informations'] = $this->getAllInformations($informations);

		$this->load->model('setting/store');

		$data['stores'] = $this->model_setting_store->getStores();

		if (isset($this->request->post['information_store'])) {
			$data['information_store'] = $this->request->post['information_store'];
		} elseif (isset($this->request->get['information_id'])) {
			$data['information_store'] = $this->model_catalog_information->getInformationStores($this->request->get['information_id']);
		} else {
			$data['information_store'] = array(0);
		}

		if (isset($this->request->post['keyword'])) {
			$data['keyword'] = $this->request->post['keyword'];
		} elseif (!empty($information_info)) {
			$data['keyword'] = $information_info['keyword'];
		} else {
			$data['keyword'] = '';
		}

		if (isset($this->request->post['information_pattern'])) {
			$data['pattern'] = $this->request->post['information_pattern'];
		} elseif (!empty($information_info)) {
			$data['pattern'] = $information_info['pattern'];
		} else {
			$data['pattern'] = '';
		}

        if (isset($this->request->post['parent_id'])) {
            $data['parent_id'] = $this->request->post['parent_id'];
        } elseif (!empty($information_info)) {
            $data['parent_id'] = $information_info['parent_id'];
        } else {
            $data['parent_id'] = 0;
        }

        if (isset($this->request->post['image'])) {
            $data['image'] = $this->request->post['image'];
        } elseif (!empty($information_info)) {
            $data['image'] = $information_info['image'];
        } else {
            $data['image'] = '';
        }

        $this->load->model('tool/image');

        if (isset($this->request->post['image']) && is_file(DIR_IMAGE . $this->request->post['image'])) {
            $data['thumb'] = $this->model_tool_image->resize($this->request->post['image'], 100, 100);
        } elseif (!empty($information_info) && is_file(DIR_IMAGE . $information_info['image'])) {
            $data['thumb'] = $this->model_tool_image->resize($information_info['image'], 100, 100);
        } else {
            $data['thumb'] = $this->model_tool_image->resize('no_image.png', 100, 100);
        }
        $data['placeholder'] = $this->model_tool_image->resize('no_image.png', 100, 100);

        if (isset($this->request->post['top'])) {
            $data['top'] = $this->request->post['top'];
        } elseif (!empty($information_info)) {
            $data['top'] = $information_info['top'];
        } else {
            $data['top'] = 0;
        }

		if (isset($this->request->post['bottom'])) {
			$data['bottom'] = $this->request->post['bottom'];
		} elseif (!empty($information_info)) {
			$data['bottom'] = $information_info['bottom'];
		} else {
			$data['bottom'] = 0;
		}

		if (isset($this->request->post['status'])) {
			$data['status'] = $this->request->post['status'];
		} elseif (!empty($information_info)) {
			$data['status'] = $information_info['status'];
		} else {
			$data['status'] = true;
		}

		if (isset($this->request->post['sort_order'])) {
			$data['sort_order'] = $this->request->post['sort_order'];
		} elseif (!empty($information_info)) {
			$data['sort_order'] = $information_info['sort_order'];
		} else {
			$data['sort_order'] = '';
		}

		if (isset($this->request->post['information_layout'])) {
			$data['information_layout'] = $this->request->post['information_layout'];
		} elseif (isset($this->request->get['information_id'])) {
			$data['information_layout'] = $this->model_catalog_information->getInformationLayouts($this->request->get['information_id']);
		} else {
			$data['information_layout'] = array();
		}

		$this->load->model('design/layout');

		$data['layouts'] = $this->model_design_layout->getLayouts();

		$data['header'] = $this->load->controller('common/header');
		$data['column_left'] = $this->load->controller('common/column_left');
		$data['footer'] = $this->load->controller('common/footer');

		$this->response->setOutput($this->load->view('catalog/information_form', $data));
	}

	protected function validateForm() {
		if (!$this->user->hasPermission('modify', 'catalog/information')) {
			$this->error['warning'] = $this->language->get('error_permission');
		}

		foreach ($this->request->post['information_description'] as $language_id => $value) {
			if ((utf8_strlen($value['title']) < 3) || (utf8_strlen($value['title']) > 500)) {
				$this->error['title'][$language_id] = $this->language->get('error_title');
			}

			if (utf8_strlen($value['description']) < 3) {
				$this->error['description'][$language_id] = $this->language->get('error_description');
			}

			if ((utf8_strlen($value['meta_title']) < 3) || (utf8_strlen($value['meta_title']) > 255)) {
				$this->error['meta_title'][$language_id] = $this->language->get('error_meta_title');
			}
		}

		if (utf8_strlen($this->request->post['keyword']) > 0) {
			$this->load->model('catalog/url_alias');

			$url_alias_info = $this->model_catalog_url_alias->getUrlAlias($this->request->post['keyword']);

			if ($url_alias_info && isset($this->request->get['information_id']) && $url_alias_info['query'] != 'information_id=' . $this->request->get['information_id']) {
				$this->error['keyword'] = sprintf($this->language->get('error_keyword'));
			}

			if ($url_alias_info && !isset($this->request->get['information_id'])) {
				$this->error['keyword'] = sprintf($this->language->get('error_keyword'));
			}
		}

		if ($this->error && !isset($this->error['warning'])) {
			$this->error['warning'] = $this->language->get('error_warning');
		}

		return !$this->error;
	}

	protected function validateDelete() {
		if (!$this->user->hasPermission('modify', 'catalog/information')) {
			$this->error['warning'] = $this->language->get('error_permission');
		}

		$this->load->model('setting/store');

		foreach ($this->request->post['selected'] as $information_id) {
			if ($this->config->get('config_account_id') == $information_id) {
				$this->error['warning'] = $this->language->get('error_account');
			}

			if ($this->config->get('config_checkout_id') == $information_id) {
				$this->error['warning'] = $this->language->get('error_checkout');
			}

			if ($this->config->get('config_affiliate_id') == $information_id) {
				$this->error['warning'] = $this->language->get('error_affiliate');
			}

			if ($this->config->get('config_return_id') == $information_id) {
				$this->error['warning'] = $this->language->get('error_return');
			}

			$store_total = $this->model_setting_store->getTotalStoresByInformationId($information_id);

			if ($store_total) {
				$this->error['warning'] = sprintf($this->language->get('error_store'), $store_total);
			}
		}

		return !$this->error;
	}

    private function getAllInformations($informations, $parent_id = 0, $parent_name = '') {
        $output = array();

        if (array_key_exists($parent_id, $informations)) {
            if ($parent_name != '') {

                $parent_name .= ' &gt; ';
            }

            foreach ($informations[$parent_id] as $information) {
                $output[$information['information_id']] = array(
                    'information_id' => $information['information_id'],
                    'title'        => $parent_name . $information['title']
                );

                $output += $this->getAllInformations($informations, $information['information_id'], $parent_name . $information['title']);
            }
        }

        return $output;
    }

    function sortByName($a, $b) {

        return strcmp($a['title'], $b['title']);

 	}

    protected function validateRepair() {
        if (!$this->user->hasPermission('modify', 'catalog/information')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        return !$this->error;
    }

    private function getInformations($parent_id, $parent_path = '', $indent = '', $filter_data) {

        $information_id = array_shift($this->ipath);

        $output = array();

        static $href_information = null;

        static $href_action = null;

        if ($href_information === null) {
            $href_information = $this->url->link('catalog/information', 'token=' . $this->session->data['token'] . '&ipath=', 'SSL');
            $href_action = $this->url->link('catalog/information/update', 'token=' . $this->session->data['token'] . '&information_id=', 'SSL');
        }

        $url = '';

    	if (isset($this->request->get['sort'])) {
     			$url .= '&sort=' . $this->request->get['sort'];
    		}

    		if (isset($this->request->get['order'])) {
        			$url .= '&order=' . $this->request->get['order'];
    		}

    		if (isset($this->request->get['page'])) {
        			$url .= '&page=' . $this->request->get['page'];
    		}

    		$results = $this->model_catalog_information->getInformationsByParentId($parent_id, $filter_data);

    		foreach ($results as $result) {
            			$path = $parent_path . $result['information_id'];
            			$href = ($result['children']) ? $href_information . $path : '';
            			$title = $result['title'];

           			if ($information_id == $result['information_id']) {

            				$title = '<b>' . $title . '</b>';

    				$data['breadcrumbs'][] = array(
        					'text'      => $result['title'],
        					'href'      => $href,
        					'separator' => ' :: '
    				);

    				$href = '';
    			}

    			$selected = isset($this->request->post['selected']) && in_array($result['information_id'], $this->request->post['selected']);
    			$action = array();

    			$action[] = array(
        			'text' => $this->language->get('text_edit'),
       				'href' => $href_action . $result['information_id']
    			);

    			$output[$result['information_id']] = array(

       				'information_id' => $result['information_id'],
       				'title'          => $title,
       				'sort_order'     => $result['sort_order'],
            		'selected'       => $selected,
                    'action'         => $action,
                    'edit'           => $this->url->link('catalog/information/edit', 'token=' . $this->session->data['token'] . '&information_id=' . $result['information_id'] . $url, 'SSL'),
                    'delete'         => $this->url->link('catalog/information/delete', 'token=' . $this->session->data['token'] . '&information_id=' . $result['information_id'] . $url, 'SSL'),
                    'href'           => $href,
                    'indent'         => $indent
    			);

                if ($information_id == $result['information_id']) {

                    $output += $this->getInformations($result['information_id'],
                    $path . '_',
                    $indent . str_repeat('&nbsp;', 8),
                    $filter_data);
                }
 			}

 			return $output;
 	}

    public function autocomplete() {
        $json = array();

        if (isset($this->request->get['filter_name'])) {
            $this->load->model('catalog/information');

            $filter_data = array(
                    'filter_name' => $this->request->get['filter_name'],
                    'sort'        => 'name',
                    'order'       => 'ASC',
                    'start'       => 0,
                    'limit'       => 5
            );

            $results = $this->model_catalog_information->getInformations($filter_data);

            foreach ($results as $result) {
                $json[] = array(
                    'information_id' => $result['information_id'],
                    'title'          => strip_tags(html_entity_decode($result['title'], ENT_QUOTES, 'UTF-8'))
                );
            }
        }

        $sort_order = array();

        foreach ($json as $key => $value) {
            $sort_order[$key] = $value['title'];
        }

        array_multisort($sort_order, SORT_ASC, $json);

        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }
}