<?php
class ModelSaleOrder extends Model {

    public function __construct($parms) {
        parent::__construct($parms);
        $this->load->model("catalog/content");
    }

    public function deleteOrder($order_id) {
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order_product` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order_option` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order_voucher` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order_total` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "order_history` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE `or`, ort FROM `" . DB_PREFIX . "order_recurring` `or`, `" . DB_PREFIX . "order_recurring_transaction` `ort` WHERE order_id = '" . (int)$order_id . "' AND ort.order_recurring_id = `or`.order_recurring_id");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "affiliate_transaction` WHERE order_id = '" . (int)$order_id . "'");

        // Delete voucher data as well
        $this->db->query("DELETE FROM `" . DB_PREFIX . "voucher` WHERE order_id = '" . (int)$order_id . "'");
        $this->db->query("DELETE FROM `" . DB_PREFIX . "voucher_history` WHERE order_id = '" . (int)$order_id . "'");
    }

    public function getOrder($order_id) {
        $order_query = $this->db->query("SELECT *, (SELECT CONCAT(c.firstname, ' ', c.lastname) FROM " . DB_PREFIX . "customer c WHERE c.customer_id = o.customer_id) AS customer, (SELECT os.name FROM " . DB_PREFIX . "order_status os WHERE os.order_status_id = o.order_status_id AND os.language_id = '" . (int)$this->config->get('config_language_id') . "') AS order_status FROM `" . DB_PREFIX . "order` o WHERE o.order_id = '" . (int)$order_id . "'");

        if ($order_query->num_rows) {
            $country_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "country` WHERE country_id = '" . (int)$order_query->row['payment_country_id'] . "'");

            if ($country_query->num_rows) {
                $payment_iso_code_2 = $country_query->row['iso_code_2'];
                $payment_iso_code_3 = $country_query->row['iso_code_3'];
            } else {
                $payment_iso_code_2 = '';
                $payment_iso_code_3 = '';
            }

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

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

            $country_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "country` WHERE country_id = '" . (int)$order_query->row['shipping_country_id'] . "'");

            if ($country_query->num_rows) {
                $shipping_iso_code_2 = $country_query->row['iso_code_2'];
                $shipping_iso_code_3 = $country_query->row['iso_code_3'];
            } else {
                $shipping_iso_code_2 = '';
                $shipping_iso_code_3 = '';
            }

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

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

            $reward = 0;

            $order_product_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_product WHERE order_id = '" . (int)$order_id . "'");

            foreach ($order_product_query->rows as $product) {
                $reward += $product['reward'];
            }

            if ($order_query->row['affiliate_id']) {
                $affiliate_id = $order_query->row['affiliate_id'];
            } else {
                $affiliate_id = 0;
            }

            $this->load->model('marketing/affiliate');

            $affiliate_info = $this->model_marketing_affiliate->getAffiliate($affiliate_id);

            if ($affiliate_info) {
                $affiliate_firstname = $affiliate_info['firstname'];
                $affiliate_lastname = $affiliate_info['lastname'];
            } else {
                $affiliate_firstname = '';
                $affiliate_lastname = '';
            }

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

            $language_info = $this->model_localisation_language->getLanguage($order_query->row['language_id']);

            if ($language_info) {
                $language_code = $language_info['code'];
            } else {
                $language_code = $this->config->get('config_language');
            }

            //prd($this->model_catalog_content->getContentMeta($order_id, "order"));
            return array(
                'order_id'                => $order_query->row['order_id'],
                'invoice_no'              => $order_query->row['invoice_no'],
                'invoice_prefix'          => $order_query->row['invoice_prefix'],
                'store_id'                => $order_query->row['store_id'],
                'store_name'              => $order_query->row['store_name'],
                'store_url'               => $order_query->row['store_url'],
                'customer_id'             => $order_query->row['customer_id'],
                'customer'                => $order_query->row['customer'],
                'customer_group_id'       => $order_query->row['customer_group_id'],
                'firstname'               => $order_query->row['firstname'],
                'lastname'                => $order_query->row['lastname'],
                'email'                   => $order_query->row['email'],
                'telephone'               => $order_query->row['telephone'],
                'fax'                     => $order_query->row['fax'],
                'custom_field'            => json_decode($order_query->row['custom_field'], true),
                'payment_firstname'       => $order_query->row['payment_firstname'],
                'payment_lastname'        => $order_query->row['payment_lastname'],
                'payment_company'         => $order_query->row['payment_company'],
                'payment_address_1'       => $order_query->row['payment_address_1'],
                'payment_address_2'       => $order_query->row['payment_address_2'],
                'payment_postcode'        => $order_query->row['payment_postcode'],
                'payment_city'            => $order_query->row['payment_city'],
                'payment_zone_id'         => $order_query->row['payment_zone_id'],
                'payment_zone'            => $order_query->row['payment_zone'],
                'payment_zone_code'       => $payment_zone_code,
                'payment_country_id'      => $order_query->row['payment_country_id'],
                'payment_country'         => $order_query->row['payment_country'],
                'payment_iso_code_2'      => $payment_iso_code_2,
                'payment_iso_code_3'      => $payment_iso_code_3,
                'payment_address_format'  => $order_query->row['payment_address_format'],
                'payment_custom_field'    => json_decode($order_query->row['payment_custom_field'], true),
                'payment_method'          => $order_query->row['payment_method'],
                'payment_code'            => $order_query->row['payment_code'],
                'shipping_firstname'      => $order_query->row['shipping_firstname'],
                'shipping_lastname'       => $order_query->row['shipping_lastname'],
                'shipping_company'        => $order_query->row['shipping_company'],
                'shipping_address_1'      => $order_query->row['shipping_address_1'],
                'shipping_address_2'      => $order_query->row['shipping_address_2'],
                'shipping_postcode'       => $order_query->row['shipping_postcode'],
                'shipping_city'           => $order_query->row['shipping_city'],
                'shipping_zone_id'        => $order_query->row['shipping_zone_id'],
                'shipping_zone'           => $order_query->row['shipping_zone'],
                'shipping_zone_code'      => $shipping_zone_code,
                'shipping_country_id'     => $order_query->row['shipping_country_id'],
                'shipping_country'        => $order_query->row['shipping_country'],
                'shipping_iso_code_2'     => $shipping_iso_code_2,
                'shipping_iso_code_3'     => $shipping_iso_code_3,
                'shipping_address_format' => $order_query->row['shipping_address_format'],
                'shipping_custom_field'   => json_decode($order_query->row['shipping_custom_field'], true),
                'shipping_method'         => $order_query->row['shipping_method'],
                'shipping_code'           => $order_query->row['shipping_code'],
                'comment'                 => $order_query->row['comment'],
                'total'                   => $order_query->row['total'],
                'reward'                  => $reward,
                'order_status_id'         => $order_query->row['order_status_id'],
                'order_status'            => $order_query->row['order_status'],
                'affiliate_id'            => $order_query->row['affiliate_id'],
                'affiliate_firstname'     => $affiliate_firstname,
                'affiliate_lastname'      => $affiliate_lastname,
                'commission'              => $order_query->row['commission'],
                'language_id'             => $order_query->row['language_id'],
                'language_code'           => $language_code,
                'currency_id'             => $order_query->row['currency_id'],
                'currency_code'           => $order_query->row['currency_code'],
                'currency_value'          => $order_query->row['currency_value'],
                'ip'                      => $order_query->row['ip'],
                'forwarded_ip'            => $order_query->row['forwarded_ip'],
                'user_agent'              => $order_query->row['user_agent'],
                'accept_language'         => $order_query->row['accept_language'],
                'date_added'              => $order_query->row['date_added'],
                'date_modified'           => $order_query->row['date_modified'],
                'serial'                  => $this->model_catalog_content->getContentMeta($order_id, "order"),
            );
        } else {
            return;
        }
    }

    public function getOrders($data = array()) {
        $sql = "SELECT 
          o.order_id
          , CONCAT(o.firstname, ' ', o.lastname) AS customer
          , (SELECT os.name FROM " . DB_PREFIX . "order_status os WHERE os.order_status_id = o.order_status_id AND os.language_id = '" . (int)$this->config->get('config_language_id') . "') AS order_status
          , o.shipping_code
          , o.payment_method
          , o.total
          , o.currency_code
          , o.currency_value
          , o.date_added
          , o.date_modified 
          FROM `" . DB_PREFIX . "order` o";

        if (isset($data['filter_order_status'])) {
            $implode = array();

            $order_statuses = explode(',', $data['filter_order_status']);

            foreach ($order_statuses as $order_status_id) {
                $implode[] = "o.order_status_id = '" . (int)$order_status_id . "'";
            }

            if ($implode) {
                $sql .= " WHERE (" . implode(" OR ", $implode) . ")";
            }
        } else {
            $sql .= " WHERE o.order_status_id > '0'";
        }

        if (!empty($data['filter_order_id'])) {
            $sql .= " AND o.order_id = '" . (int)$data['filter_order_id'] . "'";
        }

        if (!empty($data['filter_customer'])) {
            $sql .= " AND CONCAT(o.firstname, ' ', o.lastname) LIKE '%" . $this->db->escape($data['filter_customer']) . "%'";
        }

        if (!empty($data['filter_date_added'])) {
            $sql .= " AND DATE(o.date_added) = DATE('" . $this->db->escape($data['filter_date_added']) . "')";
        }

        if (!empty($data['filter_date_modified'])) {
            $sql .= " AND DATE(o.date_modified) = DATE('" . $this->db->escape($data['filter_date_modified']) . "')";
        }

        if (!empty($data['filter_total'])) {
            $sql .= " AND o.total = '" . (float)$data['filter_total'] . "'";
        }

        $sort_data = array(
            'o.order_id',
            'customer',
            'order_status',
            'o.date_added',
            'o.date_modified',
            'o.total'
        );

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

        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 getOrderProducts($order_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_product WHERE order_id = '" . (int)$order_id . "'");

        return $query->rows;
    }

    public function getOrderOptions($order_id, $order_product_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_option WHERE order_id = '" . (int)$order_id . "' AND order_product_id = '" . (int)$order_product_id . "'");

        return $query->rows;
    }

    public function getOrderVouchers($order_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_voucher WHERE order_id = '" . (int)$order_id . "'");

        return $query->rows;
    }

    public function getOrderVoucherByVoucherId($voucher_id) {
        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "order_voucher` WHERE voucher_id = '" . (int)$voucher_id . "'");

        return $query->row;
    }

    public function getOrderTotals($order_id) {
        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "order_total WHERE order_id = '" . (int)$order_id . "' ORDER BY sort_order");

        return $query->rows;
    }

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

        if (isset($data['filter_order_status'])) {
            $implode = array();

            $order_statuses = explode(',', $data['filter_order_status']);

            foreach ($order_statuses as $order_status_id) {
                $implode[] = "order_status_id = '" . (int)$order_status_id . "'";
            }

            if ($implode) {
                $sql .= " WHERE (" . implode(" OR ", $implode) . ")";
            }
        } else {
            $sql .= " WHERE order_status_id > '0'";
        }

        if (!empty($data['filter_order_id'])) {
            $sql .= " AND order_id = '" . (int)$data['filter_order_id'] . "'";
        }

        if (!empty($data['filter_customer'])) {
            $sql .= " AND CONCAT(firstname, ' ', lastname) LIKE '%" . $this->db->escape($data['filter_customer']) . "%'";
        }

        if (!empty($data['filter_date_added'])) {
            $sql .= " AND DATE(date_added) = DATE('" . $this->db->escape($data['filter_date_added']) . "')";
        }

        if (!empty($data['filter_date_modified'])) {
            $sql .= " AND DATE(date_modified) = DATE('" . $this->db->escape($data['filter_date_modified']) . "')";
        }

        if (!empty($data['filter_total'])) {
            $sql .= " AND total = '" . (float)$data['filter_total'] . "'";
        }

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

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

    public function getTotalOrdersByStoreId($store_id) {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE store_id = '" . (int)$store_id . "'");

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

    public function getTotalOrdersByOrderStatusId($order_status_id) {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE order_status_id = '" . (int)$order_status_id . "' AND order_status_id > '0'");

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

    public function getTotalOrdersByProcessingStatus() {
        $implode = array();

        $order_statuses = $this->config->get('config_processing_status');

        foreach ($order_statuses as $order_status_id) {
            $implode[] = "order_status_id = '" . (int)$order_status_id . "'";
        }

        if ($implode) {
            $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE " . implode(" OR ", $implode));

            return $query->row['total'];
        } else {
            return 0;
        }
    }

    public function getTotalOrdersByCompleteStatus() {
        $implode = array();

        $order_statuses = $this->config->get('config_complete_status');

        foreach ($order_statuses as $order_status_id) {
            $implode[] = "order_status_id = '" . (int)$order_status_id . "'";
        }

        if ($implode) {
            $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE " . implode(" OR ", $implode) . "");

            return $query->row['total'];
        } else {
            return 0;
        }
    }

    public function getTotalOrdersByLanguageId($language_id) {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE language_id = '" . (int)$language_id . "' AND order_status_id > '0'");

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

    public function getTotalOrdersByCurrencyId($currency_id) {
        $query = $this->db->query("SELECT COUNT(*) AS total FROM `" . DB_PREFIX . "order` WHERE currency_id = '" . (int)$currency_id . "' AND order_status_id > '0'");

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

    public function createInvoiceNo($order_id) {
        $order_info = $this->getOrder($order_id);

        if ($order_info && !$order_info['invoice_no']) {
            $query = $this->db->query("SELECT MAX(invoice_no) AS invoice_no FROM `" . DB_PREFIX . "order` WHERE invoice_prefix = '" . $this->db->escape($order_info['invoice_prefix']) . "'");

            if ($query->row['invoice_no']) {
                $invoice_no = $query->row['invoice_no'] + 1;
            } else {
                $invoice_no = 1;
            }

            $this->db->query("UPDATE `" . DB_PREFIX . "order` SET invoice_no = '" . (int)$invoice_no . "', invoice_prefix = '" . $this->db->escape($order_info['invoice_prefix']) . "' WHERE order_id = '" . (int)$order_id . "'");

            return $order_info['invoice_prefix'] . $invoice_no;
        }
    }

    public function getOrderHistories($order_id, $start = 0, $limit = 10) {
        if ($start < 0) {
            $start = 0;
        }

        if ($limit < 1) {
            $limit = 10;
        }

        $query = $this->db->query("SELECT oh.date_added, os.name AS status, oh.comment, oh.notify FROM " . DB_PREFIX . "order_history oh 
        LEFT JOIN " . DB_PREFIX . "order_status os ON oh.order_status_id = os.order_status_id 
        WHERE oh.order_id = '" . (int)$order_id . "' AND os.language_id = '" . (int)$this->config->get('config_language_id') . "' 
        ORDER BY oh.date_added DESC LIMIT " . (int)$start . "," . (int)$limit);

        return $query->rows;
    }

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

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

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

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

    public function getEmailsByProductsOrdered($products, $start, $end) {
        $implode = array();

        foreach ($products as $product_id) {
            $implode[] = "op.product_id = '" . (int)$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 (" . implode(" OR ", $implode) . ") AND o.order_status_id <> '0' LIMIT " . (int)$start . "," . (int)$end);

        return $query->rows;
    }

    public function getTotalEmailsByProductsOrdered($products) {
        $implode = array();

        foreach ($products as $product_id) {
            $implode[] = "op.product_id = '" . (int)$product_id . "'";
        }

        $query = $this->db->query("SELECT count(DISTINCT email) as total FROM `" . DB_PREFIX . "order` o LEFT JOIN " . DB_PREFIX . "order_product op ON (o.order_id = op.order_id) WHERE (" . implode(" OR ", $implode) . ") AND o.order_status_id <> '0'");

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

}