<?php
class ModelSaleCustomer extends Model {
        public function addCustomer($data) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "customer SET firstname = '" . $this->db->escape($data['firstname']) . "', lastname = '" . $this->db->escape($data['lastname']) . "', email = '" . $this->db->escape($data['email']) . "', telephone = '" . $this->db->escape($data['telephone']) . "', fax = '" . $this->db->escape($data['fax']) . "', newsletter = '" . (int)$data['newsletter'] . "', customer_group_id = '" . (int)$data['customer_group_id'] . "', password = '" . $this->db->escape(md5($data['password'])) . "', status = '" . (int)$data['status'] . "', date_added = NOW()");

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

        if (isset($data['addresses'])) {
                foreach ($data['addresses'] as $address) {
                        $this->db->query("INSERT INTO " . DB_PREFIX . "address SET customer_id = '" . (int)$customer_id . "', firstname = '" . $this->db->escape($address['firstname']) . "', lastname = '" . $this->db->escape($address['lastname']) . "', company = '" . $this->db->escape($address['company']) . "', address_1 = '" . $this->db->escape($address['address_1']) . "', address_2 = '" . $this->db->escape($address['address_2']) . "', city = '" . $this->db->escape($address['city']) . "', postcode = '" . $this->db->escape($address['postcode']) . "', country_id = '" . (int)$address['country_id'] . "', zone_id = '" . (int)$address['zone_id'] . "'");
                                if (isset($address['default'])) {
                                        $address_id = $this->db->getLastId();

                                        $this->db->query("UPDATE " . DB_PREFIX . "customer SET address_id = '" . $address_id . "' WHERE customer_id = '" . (int)$customer_id . "'");
                                }
                        }
                }
        }

        public function editCustomer($customer_id, $data) {
                $this->db->query("UPDATE " . DB_PREFIX . "customer SET firstname = '" . $this->db->escape($data['firstname']) . "', lastname = '" . $this->db->escape($data['lastname']) . "', email = '" . $this->db->escape($data['email']) . "', telephone = '" . $this->db->escape($data['telephone']) . "', fax = '" . $this->db->escape($data['fax']) . "', newsletter = '" . (int)$data['newsletter'] . "', customer_group_id = '" . (int)$data['customer_group_id'] . "', status = '" . (int)$data['status'] . "' WHERE customer_id = '" . (int)$customer_id . "'");

        if ($data['password']) {
                $this->db->query("UPDATE " . DB_PREFIX . "customer SET password = '" . $this->db->escape(md5($data['password'])) . "' WHERE customer_id = '" . (int)$customer_id . "'");
        }

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

        if (isset($data['addresses'])) {
                foreach ($data['addresses'] as $address) {
                                $this->db->query("INSERT INTO " . DB_PREFIX . "address SET customer_id = '" . (int)$customer_id . "', firstname = '" . $this->db->escape($address['firstname']) . "', lastname = '" . $this->db->escape($address['lastname']) . "', company = '" . $this->db->escape($address['company']) . "', address_1 = '" . $this->db->escape($address['address_1']) . "', address_2 = '" . $this->db->escape($address['address_2']) . "', city = '" . $this->db->escape($address['city']) . "', postcode = '" . $this->db->escape($address['postcode']) . "', country_id = '" . (int)$address['country_id'] . "', zone_id = '" . (int)$address['zone_id'] . "'");
                                if (isset($address['default'])) {
                                        $address_id = $this->db->getLastId();

                                        $this->db->query("UPDATE " . DB_PREFIX . "customer SET address_id = '" . $address_id . "' WHERE customer_id = '" . (int)$customer_id . "'");
                                }
                        }
                }
        }

        public function getAddressesByCustomerId($customer_id) {
                $address_data = array();

                $query = $this->db->query("SELECT address_id FROM " . DB_PREFIX . "customer WHERE customer_id = '" . (int)$customer_id . "'");

                $default_address_id = $query->row['address_id'];

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

                foreach ($query->rows as $result) {
                        $country_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "country` WHERE country_id = '" . (int)$result['country_id'] . "'");

                        if ($country_query->num_rows) {
                                $country = $country_query->row['name'];
                                $iso_code_2 = $country_query->row['iso_code_2'];
                                $iso_code_3 = $country_query->row['iso_code_3'];
                                $address_format = $country_query->row['address_format'];
                        } else {
                                $country = '';
                                $iso_code_2 = '';
                                $iso_code_3 = '';
                                $address_format = '';
                        }

                        $zone_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone` WHERE zone_id = '" . (int)$result['zone_id'] . "'");

                        if ($zone_query->num_rows) {
                                $zone = $zone_query->row['name'];
                                $code = $zone_query->row['code'];
                        } else {
                                $zone = '';
                                $code = '';
                        }

                        $address_data[] = array(
                                'address_id'     => $result['address_id'],
                                'firstname'      => $result['firstname'],
                                'lastname'       => $result['lastname'],
                                'company'        => $result['company'],
                                'address_1'      => $result['address_1'],
                                'address_2'      => $result['address_2'],
                                'postcode'       => $result['postcode'],
                                'city'           => $result['city'],
                                'zone_id'        => $result['zone_id'],
                                'zone'           => $zone,
                                'zone_code'      => $code,
                                'country_id'     => $result['country_id'],
                                'country'        => $country,
                                'iso_code_2'     => $iso_code_2,
                                'iso_code_3'     => $iso_code_3,
                                'address_format' => $address_format,
                                'default'                => ($default_address_id == $result['address_id']) ? true : false
                        );
                }

                return $address_data;
        }

        public function deleteCustomer($customer_id) {
                $this->db->query("DELETE FROM " . DB_PREFIX . "customer WHERE customer_id = '" . (int)$customer_id . "'");
                $this->db->query("DELETE FROM " . DB_PREFIX . "address WHERE customer_id = '" . (int)$customer_id . "'");
        }

        public function getCustomer($customer_id) {
                $query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "customer WHERE customer_id = '" . (int)$customer_id . "'");

                return $query->row;
        }

        public function getCustomers($data = array()) {
                $sql = "SELECT *, CONCAT(c.firstname, ' ', c.lastname) AS name, cg.name AS customer_group FROM " . DB_PREFIX . "customer c LEFT JOIN " . DB_PREFIX . "customer_group cg ON (c.customer_group_id = cg.customer_group_id) ";

                $implode = array();

                if (isset($data['filter_name']) && !is_null($data['filter_name'])) {
                        $implode[] = "CONCAT(c.firstname, ' ', c.lastname) LIKE '%" . $this->db->escape($data['filter_name']) . "%'";
                }

                if (isset($data['filter_email']) && !is_null($data['filter_email'])) {
                        $implode[] = "c.email = '" . $this->db->escape($data['filter_email']) . "'";
                }

                if (isset($data['filter_customer_group_id']) && !is_null($data['filter_customer_group_id'])) {
                        $implode[] = "cg.customer_group_id = '" . $this->db->escape($data['filter_customer_group_id']) . "'";
                }

                if (isset($data['filter_status']) && !is_null($data['filter_status'])) {
                        $implode[] = "c.status = '" . (int)$data['filter_status'] . "'";
                }

                if (isset($data['filter_approved']) && !is_null($data['filter_approved'])) {
                        $implode[] = "c.approved = '" . (int)$data['filter_approved'] . "'";
                }

                if (isset($data['filter_date_added']) && !is_null($data['filter_date_added'])) {
                        $implode[] = "DATE(c.date_added) = DATE('" . $this->db->escape($data['filter_date_added']) . "')";
                }

                if ($implode) {
                        $sql .= " WHERE " . implode(" AND ", $implode);
                }

                $sort_data = array(
                        'name',
                        'c.email',
                        'customer_group',
                        'c.status',
                        'c.date_added'
                );

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

        public function approve($customer_id) {
                $this->db->query("UPDATE " . DB_PREFIX . "customer SET approved = '1' WHERE customer_id = '" . (int)$customer_id . "'");
        }

        public function getCustomersByNewsletter() {
                $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "customer WHERE newsletter = '1' ORDER BY firstname, lastname, email");

                return $query->rows;
        }

        public function getCustomersByKeyword($keyword) {
                if ($keyword) {
                        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "customer WHERE LCASE(CONCAT(firstname, ' ', lastname)) LIKE '%" . $this->db->escape(strtolower($keyword)) . "%' ORDER BY firstname, lastname, email");

                        return $query->rows;
                } else {
                        return array();
                }
        }

        public function getCustomersByProduct($product_id) {
                if ($product_id) {
                        $query = $this->db->query("SELECT DISTINCT `email` FROM `" . DB_PREFIX . "order` o LEFT JOIN " . DB_PREFIX . "order_product op ON (o.order_id = op.order_id) WHERE op.product_id = '" . (int)$product_id . "' AND o.order_status_id <> '0'");

                        return $query->rows;
                } else {
                        return array();
                }
        }

        public function getAddresses($keyword) {
                $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "address WHERE customer_id = '" . (int)$customer_id . "'");

                return $query->rows;
        }

        public function getTotalCustomers($data = array()) {
        $sql = "SELECT COUNT(*) AS total FROM " . DB_PREFIX . "customer";

                $implode = array();

                if (isset($data['filter_customer_group_id']) && !is_null($data['filter_customer_group_id'])) {
                        $implode[] = "customer_group_id = '" . (int)$data['filter_customer_group_id'] . "'";
                }

                if (isset($data['filter_name']) && !is_null($data['filter_name'])) {
                        $implode[] = "CONCAT(firstname, ' ', lastname) LIKE '%" . $this->db->escape($data['filter_name']) . "%'";
                }

                if (isset($data['filter_email']) && !is_null($data['filter_email'])) {
                        $implode[] = "email = '" . $this->db->escape($data['filter_email']) . "'";
                }

                if (isset($data['filter_status']) && !is_null($data['filter_status'])) {
                        $implode[] = "status = '" . (int)$data['filter_status'] . "'";
                }

                if (isset($data['filter_date_added']) && !is_null($data['filter_date_added'])) {
                        $implode[] = "DATE(date_added) = DATE('" . $this->db->escape($data['filter_date_added']) . "')";
                }

                if ($implode) {
                        $sql .= " WHERE " . implode(" AND ", $implode);
                }

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

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

        public function getTotalCustomersAwaitingApproval() {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "customer WHERE status = '0' OR approved = '0'");

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

        public function getTotalAddressesByCustomerId($customer_id) {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "address WHERE customer_id = '" . (int)$customer_id . "'");

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

        public function getTotalAddressesByCountryId($country_id) {
                $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "address WHERE country_id = '" . (int)$country_id . "'");

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

        public function getTotalAddressesByZoneId($zone_id) {
                $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "address WHERE zone_id = '" . (int)$zone_id . "'");

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

        public function getTotalCustomersByCustomerGroupId($customer_group_id) {
                $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "customer WHERE customer_group_id = '" . (int)$customer_group_id . "'");

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