<?php
class ModelLocalisationLengthClass extends Model {

    public function addLengthClass($data) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "length_class SET value = '" . (float)$data['value'] . "'");

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

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

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

        return $length_class_id;
    }

    public function editLengthClass($length_class_id, $data) {
        $this->db->query("UPDATE " . DB_PREFIX . "length_class SET value = '" . (float)$data['value'] . "' WHERE length_class_id = '" . (int)$length_class_id . "'");

        $this->db->query("DELETE FROM " . DB_PREFIX . "length_class_description WHERE length_class_id = '" . (int)$length_class_id . "'");

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

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

    public function deleteLengthClass($length_class_id) {
        $this->db->query("DELETE FROM " . DB_PREFIX . "length_class WHERE length_class_id = '" . (int)$length_class_id . "'");
        $this->db->query("DELETE FROM " . DB_PREFIX . "length_class_description WHERE length_class_id = '" . (int)$length_class_id . "'");

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

    public function getLengthClasses($data = array()) {
        if ($data) {
            $sql = "SELECT * FROM " . DB_PREFIX . "length_class lc LEFT JOIN " . DB_PREFIX . "length_class_description lcd ON (lc.length_class_id = lcd.length_class_id) WHERE lcd.language_id = '" . (int)$this->config->get('config_language_id') . "'";

            $sort_data = array(
                'title',
                'unit',
                'value'
            );

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

            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 {
            $length_class_data = $this->cache->get('length_class.' . (int)$this->config->get('config_language_id'));

            if (!$length_class_data) {
                $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "length_class lc LEFT JOIN " . DB_PREFIX . "length_class_description lcd ON (lc.length_class_id = lcd.length_class_id) WHERE lcd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

                $length_class_data = $query->rows;

                $this->cache->set('length_class.' . (int)$this->config->get('config_language_id'), $length_class_data);
            }

            return $length_class_data;
        }
    }

    public function getLengthClass($length_class_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "length_class lc LEFT JOIN " . DB_PREFIX . "length_class_description lcd ON (lc.length_class_id = lcd.length_class_id) WHERE lc.length_class_id = '" . (int)$length_class_id . "' AND lcd.language_id = '" . (int)$this->config->get('config_language_id') . "'");

        return $query->row;
    }

    public function getLengthClassDescriptionByUnit($unit) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "length_class_description WHERE unit = '" . $this->db->escape($unit) . "' AND language_id = '" . (int)$this->config->get('config_language_id') . "'");

        return $query->row;
    }

    public function getLengthClassDescriptions($length_class_id) {
        $length_class_data = array();

        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "length_class_description WHERE length_class_id = '" . (int)$length_class_id . "'");

        foreach ($query->rows as $result) {
            $length_class_data[$result['language_id']] = array(
                'title' => $result['title'],
                'unit'  => $result['unit']
            );
        }

        return $length_class_data;
    }

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

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

}