<?php
class ModelPaymentSecureTradingWs extends Model {
	public function getMethod($address, $total) {
		$this->load->language('payment/securetrading_ws');

		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int)$this->config->get('securetrading_ws_geo_zone_id') . "' AND country_id = '" . (int)$address['country_id'] . "' AND (zone_id = '" . (int)$address['zone_id'] . "' OR zone_id = '0')");

		if ($this->config->get('securetrading_ws_total') > $total) {
			$status = false;
		} elseif (!$this->config->get('securetrading_ws_geo_zone_id')) {
			$status = true;
		} elseif ($query->num_rows) {
			$status = true;
		} else {
			$status = false;
		}

		$method_data = array();

		if ($status) {
			$method_data = array(
				'code'       => 'securetrading_ws',
				'title'      => $this->language->get('text_title'),
				'terms'      => '',
				'sort_order' => $this->config->get('securetrading_ws_sort_order')
			);
		}

		return $method_data;
	}

	public function call($data) {
		$ch = curl_init();

		$defaults = array(
			CURLOPT_POST => 1,
			CURLOPT_HEADER => 0,
			CURLOPT_SSL_VERIFYPEER => 0,
			CURLOPT_URL => 'https://webservices.securetrading.net/xml/',
			CURLOPT_FRESH_CONNECT => 1,
			CURLOPT_RETURNTRANSFER => 1,
			CURLOPT_FORBID_REUSE => 1,
			CURLOPT_TIMEOUT => 15,
			CURLOPT_HTTPHEADER => array(
				'User-Agent: OpenCart - Secure Trading WS',
				'Content-Length: ' . strlen($data),
				'Authorization: Basic ' . base64_encode($this->config->get('securetrading_ws_username') . ':' . $this->config->get('securetrading_ws_password')),
			),
			CURLOPT_POSTFIELDS => $data,
		);

		curl_setopt_array($ch, $defaults);

		$response = curl_exec($ch);

		if ($response === false) {
			$this->log->write('Secure Trading WS CURL Error: (' . curl_errno($ch) . ') ' . curl_error($ch));
		}

		curl_close($ch);

		return $response;
	}

	public function getOrder($order_id) {
		$qry = $this->db->query("SELECT * FROM `" . DB_PREFIX . "securetrading_ws_order` WHERE `order_id` = '" . (int)$order_id . "' LIMIT 1");

		return $qry->row;
	}

	public function addMd($order_id, $md) {
		$this->db->query("INSERT INTO " . DB_PREFIX . "securetrading_ws_order SET order_id = " . (int)$order_id . ", md = '" . $this->db->escape($md) . "', `created` = now(), `modified` = now()");
	}

	public function removeMd($md) {
		$this->db->query("DELETE FROM " . DB_PREFIX . "securetrading_ws_order WHERE md = '" . $this->db->escape($md) . "'");
	}

	public function updateReference($order_id, $transaction_reference) {
		$this->db->query("UPDATE " . DB_PREFIX . "securetrading_ws_order SET transaction_reference = '" . $this->db->escape($transaction_reference) . "' WHERE order_id = " . (int)$order_id);

		if ($this->db->countAffected() == 0) {
			$this->db->query("INSERT INTO " . DB_PREFIX . "securetrading_ws_order SET order_id = " . (int)$order_id . ", transaction_reference = '" . $this->db->escape($transaction_reference) . "', `created` = now(), `modified` = now()");
		}
	}

	public function getOrderId($md) {
		$row = $this->db->query("SELECT order_id FROM " . DB_PREFIX . "securetrading_ws_order WHERE md = '" . $this->db->escape($md) . "' LIMIT 1")->row;

		if (isset($row['order_id']) && !empty($row['order_id'])) {
			return $row['order_id'];
		} else {
			return false;
		}
	}

	public function confirmOrder($order_id, $order_status_id, $comment = '', $notify = false) {
		$this->load->model('checkout/order');

		$this->db->query("UPDATE `" . DB_PREFIX . "order` SET order_status_id = 0 WHERE order_id = " . (int)$order_id);

		$this->model_checkout_order->addOrderHistory($order_id, $order_status_id, $comment, $notify);

		$order_info = $this->model_checkout_order->getOrder($order_id);

		$securetrading_ws_order = $this->getOrder($order_info['order_id']);

		$amount = $this->currency->format($order_info['total'], $order_info['currency_code'], false, false);

		switch($this->config->get('securetrading_ws_settle_status')){
			case 0:
				$trans_type = 'auth';
				break;
			case 1:
				$trans_type = 'auth';
				break;
			case 2:
				$trans_type = 'suspended';
				break;
			case 100:
				$trans_type = 'payment';
				break;
			default :
				$trans_type = '';
		}

		$this->db->query("UPDATE `" . DB_PREFIX . "securetrading_ws_order` SET `settle_type`='" . $this->config->get('securetrading_ws_settle_status') . "', `modified` = now(), `currency_code` = '" . $this->db->escape($order_info['currency_code']) . "', `total` = '" . $amount . "' WHERE order_id = " . (int)$order_info['order_id']);

		$this->db->query("INSERT INTO `" . DB_PREFIX . "securetrading_ws_order_transaction` SET `securetrading_ws_order_id` = '" . (int)$securetrading_ws_order['securetrading_ws_order_id'] . "', `amount` = '" . $amount . "', type = '" . $trans_type . "',  `created` = now()");
	}

	public function updateOrder($order_id, $order_status_id, $comment = '', $notify = false) {
		$this->load->model('checkout/order');

		$this->db->query("UPDATE `" . DB_PREFIX . "order` SET order_status_id = " . (int)$order_status_id . " WHERE order_id = "  . (int)$order_id);

		$this->model_checkout_order->update($order_id, $order_status_id, $comment, $notify);
	}

	public function logger($message) {
		$log = new Log('secure.log');
		$log->write($message);
	}
}