<?php
class ModelLocalisationLanguage extends Model {
    public function addLanguage($data) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "language SET name = '" . $this->db->escape((string)$data['name']) . "', code = '" . $this->db->escape((string)$data['code']) . "', locale = '" . $this->db->escape((string)$data['locale']) . "', sort_order = '" . (int)$data['sort_order'] . "', status = '" . (int)$data['status'] . "'");

        $this->cache->delete('catalog.language');
        $this->cache->delete('admin.language');

        $language_id = $this->db->getLastId();

        // Attribute
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "attribute_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $attribute) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "attribute_description SET attribute_id = '" . (int)$attribute['attribute_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($attribute['name']) . "'");
        }

        // Attribute Group
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "attribute_group_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $attribute_group) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "attribute_group_description SET attribute_group_id = '" . (int)$attribute_group['attribute_group_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($attribute_group['name']) . "'");
        }

        $this->cache->delete('attribute');

        // Banner
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "banner_image WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $banner_image) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "banner_image SET banner_id = '" . (int)$banner_image['banner_id'] . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($banner_image['title']) . "', link = '" . $this->db->escape($banner_image['link']) . "', image = '" . $this->db->escape($banner_image['image']) . "', sort_order = '" . (int)$banner_image['sort_order'] . "'");
        }

        $this->cache->delete('banner');

        // Category
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "category_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $category) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "category_description SET category_id = '" . (int)$category['category_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($category['name']) . "', description = '" . $this->db->escape($category['description']) . "', meta_title = '" . $this->db->escape($category['meta_title']) . "', meta_description = '" . $this->db->escape($category['meta_description']) . "', meta_keyword = '" . $this->db->escape($category['meta_keyword']) . "'");
        }

        $this->cache->delete('category');

        // Customer Group
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "customer_group_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $customer_group) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "customer_group_description SET customer_group_id = '" . (int)$customer_group['customer_group_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($customer_group['name']) . "', description = '" . $this->db->escape($customer_group['description']) . "'");
        }

        // Custom Field
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "custom_field_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $custom_field) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "custom_field_description SET custom_field_id = '" . (int)$custom_field['custom_field_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($custom_field['name']) . "'");
        }

        // Custom Field Value
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "custom_field_value_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $custom_field_value) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "custom_field_value_description SET custom_field_value_id = '" . (int)$custom_field_value['custom_field_value_id'] . "', language_id = '" . (int)$language_id . "', custom_field_id = '" . (int)$custom_field_value['custom_field_id'] . "', name = '" . $this->db->escape($custom_field_value['name']) . "'");
        }

        // Download
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "download_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $download) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "download_description SET download_id = '" . (int)$download['download_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($download['name']) . "'");
        }

        // Filter
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "filter_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $filter) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "filter_description SET filter_id = '" . (int)$filter['filter_id'] . "', language_id = '" . (int)$language_id . "', filter_group_id = '" . (int)$filter['filter_group_id'] . "', name = '" . $this->db->escape($filter['name']) . "'");
        }

        // Filter Group
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "filter_group_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $filter_group) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "filter_group_description SET filter_group_id = '" . (int)$filter_group['filter_group_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($filter_group['name']) . "'");
        }

        // Information
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "information_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $information) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "information_description SET information_id = '" . (int)$information['information_id'] . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($information['title']) . "', description = '" . $this->db->escape($information['description']) . "', meta_title = '" . $this->db->escape($information['meta_title']) . "', meta_description = '" . $this->db->escape($information['meta_description']) . "', meta_keyword = '" . $this->db->escape($information['meta_keyword']) . "'");
        }

        $this->cache->delete('information');

        // Length
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "length_class_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $length) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "length_class_description SET length_class_id = '" . (int)$length['length_class_id'] . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($length['title']) . "', unit = '" . $this->db->escape($length['unit']) . "'");
        }

        $this->cache->delete('length_class');

        // Option
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "option_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $option) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "option_description SET option_id = '" . (int)$option['option_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($option['name']) . "'");
        }

        // Option Value
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "option_value_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $option_value) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "option_value_description SET option_value_id = '" . (int)$option_value['option_value_id'] . "', language_id = '" . (int)$language_id . "', option_id = '" . (int)$option_value['option_id'] . "', name = '" . $this->db->escape($option_value['name']) . "'");
        }

        // Order Status
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_status WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $order_status) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "order_status SET order_status_id = '" . (int)$order_status['order_status_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($order_status['name']) . "'");
        }

        $this->cache->delete('order_status');

        // Product
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $product) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "product_description SET product_id = '" . (int)$product['product_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($product['name']) . "', description = '" . $this->db->escape($product['description']) . "', tag = '" . $this->db->escape($product['tag']) . "', meta_title = '" . $this->db->escape($product['meta_title']) . "', meta_description = '" . $this->db->escape($product['meta_description']) . "', meta_keyword = '" . $this->db->escape($product['meta_keyword']) . "'");
        }

        $this->cache->delete('product');

        // Product Attribute
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_attribute WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $product_attribute) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "product_attribute SET product_id = '" . (int)$product_attribute['product_id'] . "', attribute_id = '" . (int)$product_attribute['attribute_id'] . "', language_id = '" . (int)$language_id . "', text = '" . $this->db->escape($product_attribute['text']) . "'");
        }

        // Return Action
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "return_action WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $return_action) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "return_action SET return_action_id = '" . (int)$return_action['return_action_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($return_action['name']) . "'");
        }

        // Return Reason
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "return_reason WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $return_reason) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "return_reason SET return_reason_id = '" . (int)$return_reason['return_reason_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($return_reason['name']) . "'");
        }

        // Return Status
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "return_status WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $return_status) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "return_status SET return_status_id = '" . (int)$return_status['return_status_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($return_status['name']) . "'");
        }

        // Stock Status
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "stock_status WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $stock_status) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "stock_status SET stock_status_id = '" . (int)$stock_status['stock_status_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($stock_status['name']) . "'");
        }

        $this->cache->delete('stock_status');

        // Voucher Theme
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "voucher_theme_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $voucher_theme) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "voucher_theme_description SET voucher_theme_id = '" . (int)$voucher_theme['voucher_theme_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($voucher_theme['name']) . "'");
        }

        $this->cache->delete('voucher_theme');

        // Weight Class
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "weight_class_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $weight_class) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "weight_class_description SET weight_class_id = '" . (int)$weight_class['weight_class_id'] . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($weight_class['title']) . "', unit = '" . $this->db->escape($weight_class['unit']) . "'");
        }

        $this->cache->delete('weight_class');

        // Profiles
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "recurring_description WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");

        foreach ($query->rows as $recurring) {
            $this->db->query("INSERT INTO " . DB_PREFIX . "recurring_description SET recurring_id = '" . (int)$recurring['recurring_id'] . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($recurring['name']));
        }

        return $language_id;
    }

    public function editLanguage($language_id, $data) {
        $language_query = $this->db->query("SELECT `code` FROM " . DB_PREFIX . "language WHERE language_id = '" . (int)$language_id . "'");

        $this->db->query("UPDATE " . DB_PREFIX . "language SET name = '" . $this->db->escape((string)$data['name']) . "', code = '" . $this->db->escape((string)$data['code']) . "', locale = '" . $this->db->escape((string)$data['locale']) . "', sort_order = '" . (int)$data['sort_order'] . "', status = '" . (int)$data['status'] . "' WHERE language_id = '" . (int)$language_id . "'");

        if ($language_query->row['code'] != $data['code']) {
            $this->db->query("UPDATE " . DB_PREFIX . "setting SET value = '" . $this->db->escape((string)$data['code']) . "' WHERE `key` = 'config_language' AND value = '" . $this->db->escape($language_query->row['code']) . "'");
            $this->db->query("UPDATE " . DB_PREFIX . "setting SET value = '" . $this->db->escape((string)$data['code']) . "' WHERE `key` = 'config_admin_language' AND value = '" . $this->db->escape($language_query->row['code']) . "'");
        }

        $this->cache->delete('catalog.language');
        $this->cache->delete('admin.language');
    }

    public function deleteLanguage($language_id) {
        $this->db->query("DELETE FROM " . DB_PREFIX . "language WHERE language_id = '" . (int)$language_id . "'");
        $this->db->query("DELETE FROM " . DB_PREFIX . "seo_url WHERE language_id = '" . (int)$language_id . "'");

        $this->cache->delete('catalog.language');
        $this->cache->delete('admin.language');

        /*
        Do not put any delete code for related tables for languages!!!!!!!!!

        It is not required as when ever you save to a multi language table then the entries for the deleted language will also be deleted!

        Wasting my time with people adding code here!
        */
    }

    public function getLanguage($language_id) {
        $query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "language WHERE language_id = '" . (int)$language_id . "'");

        return $query->row;
    }

    public function getAdminLanguages()
    {
        $frontendLanguageDir = DIR_APPLICATION . 'language/';
        $folders = glob($frontendLanguageDir . '*', GLOB_ONLYDIR);
        $languages = array();
        foreach ($folders as $path) {
            $languageCode = basename($path);
            $language = $this->getLanguageData($languageCode, $path);
            if (!$language) {
                continue;
            }
            $languages[] = $language;
        }
        return $languages;
    }

    public function getFrontendLanguages()
    {
        $frontendLanguageDir = DIR_CATALOG . 'language/';
        $folders = glob($frontendLanguageDir . '*', GLOB_ONLYDIR);
        $languages = array();
        foreach ($folders as $path) {
            $languageCode = basename($path);
            $language = $this->getLanguageData($languageCode, $path);
            if (!$language) {
                continue;
            }
            $languages[] = $language;
        }
        return $languages;
    }

    public function getLanguageData($languageCode, $path = null)
    {
        if (!$path) {
            $path = DIR_CATALOG . 'language/' . $languageCode;
        }
        $languageConfig = "{$path}/{$languageCode}.php";
        if (!is_file($languageConfig)) {
            return false;
        } else {
            require $languageConfig;
            $config = $_;
        }
        $dbLanguage = $this->getLanguageByCode($languageCode);
        $language['code'] = $languageCode;
        $language['lang_name'] = array_get($config, 'lang_name');
        $language['lang_locale'] = array_get($config, 'lang_locale');
        $language['name'] = array_get($config, 'lang_name');
        $language['locale'] = array_get($config, 'lang_locale');
        $language['language_id'] = 0;
        $language['sort_order'] = 0;
        $language['installed'] = 0;
        $language['status'] = 1;
        $language['name'] = array_get($config, 'lang_name');
        if ($dbLanguage) {
            $language['name'] = $dbLanguage['name'];
            $language['language_id'] = $dbLanguage['language_id'];
            $language['sort_order'] = $dbLanguage['sort_order'];
            $language['installed'] = 1;
            $language['status'] = $dbLanguage['status'];
        }
        return $language;
    }

    public function getLanguages($data = array()) {
        if ($data) {
            $sql = "SELECT * FROM " . DB_PREFIX . "language";

            $sort_data = array(
                'name',
                'code',
                'sort_order'
            );

            if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
                $sql .= " ORDER BY " . $data['sort'];
            } else {
                $sql .= " ORDER BY sort_order, name";
            }

            if (isset($data['order']) && ($data['order'] == 'DESC')) {
                $sql .= " DESC";
            } else {
                $sql .= " ASC";
            }

            if (isset($data['start']) || isset($data['limit'])) {
                if ($data['start'] < 0) {
                    $data['start'] = 0;
                }

                if ($data['limit'] < 1) {
                    $data['limit'] = 20;
                }

                $sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
            }

            $query = $this->db->query($sql);

            return $query->rows;
        } else {
            $language_data = $this->cache->get('admin.language');

            if (!$language_data) {
                $language_data = array();

                $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "language ORDER BY sort_order, name");

                foreach ($query->rows as $result) {
                    $language_data[$result['code']] = array(
                        'language_id' => $result['language_id'],
                        'name'        => $result['name'],
                        'code'        => $result['code'],
                        'locale'      => $result['locale'],
                        'image'       => $result['image'],
                        'sort_order'  => $result['sort_order'],
                        'status'      => $result['status']
                    );
                }

                $this->cache->set('admin.language', $language_data);
            }

            return $language_data;
        }
    }

    public function getLanguageByCode($code) {
        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "language` WHERE code = '" . $this->db->escape($code) . "'");

        return $query->row;
    }

    public function getTotalLanguages() {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "language");

        return $query->row['total'];
    }
}