<?php
class ModelOpenbayAmazonOrder extends Model {
	public function acknowledgeOrder($order_id) {
		$amazon_order_id = $this->getAmazonOrderId($order_id);

		$request_xml = "<Request>
  <AmazonOrderId>$amazon_order_id</AmazonOrderId>
  <MerchantOrderId>$order_id</MerchantOrderId>
</Request>";

		$this->openbay->amazon->callNoResponse('order/acknowledge', $request_xml, false);
	}

	public function getProductId($sku) {
		$row = $this->db->query("SELECT `product_id` FROM `" . DB_PREFIX . "amazon_product_link` WHERE `amazon_sku` = '" . $this->db->escape($sku) . "'")->row;

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

		return 0;
	}

	public function getProductVar($sku) {
		$row = $this->db->query("SELECT `var` FROM `" . DB_PREFIX . "amazon_product_link` WHERE `amazon_sku` = '" . $this->db->escape($sku) . "'")->row;

		if (isset($row['var'])) {
			return $row['var'];
		}

		return '';
	}

	public function decreaseProductQuantity($product_id, $delta, $var = '') {
		if ($product_id == 0) {
			return;
		}
		if ($var == '') {
			$this->db->query("UPDATE `" . DB_PREFIX . "product` SET `quantity` = GREATEST(`quantity` - '" . (int)$delta . "', 0) WHERE `product_id` = '" . (int)$product_id . "' AND `subtract` = '1'");
		} else {
			$this->db->query("UPDATE `" . DB_PREFIX . "product_option_relation` SET `stock` = GREATEST(`stock` - '" . (int)$delta . "', 0) WHERE `product_id` = '" . (int)$product_id . "' AND `var` = '" . $this->db->escape($var) . "' AND `subtract` = '1'");
		}
	}

	public function getMappedStatus($amazon_status) {
		$amazon_status = trim(strtolower($amazon_status));

		switch ($amazon_status) {
			case 'pending':
				$order_status = $this->config->get('openbay_amazon_order_status_pending');
				break;

			case 'unshipped':
				$order_status = $this->config->get('openbay_amazon_order_status_unshipped');
				break;

			case 'partiallyshipped':
				$order_status = $this->config->get('openbay_amazon_order_status_partially_shipped');
				break;

			case 'shipped':
				$order_status = $this->config->get('openbay_amazon_order_status_shipped');
				break;

			case 'canceled':
				$order_status = $this->config->get('openbay_amazon_order_status_canceled');
				break;

			case 'unfulfillable':
				$order_status = $this->config->get('openbay_amazon_order_status_unfulfillable');
				break;

			default:
				$order_status = $this->config->get('config_order_status_id');
				break;
		}

		return $order_status;
	}

	public function getCountryName($country_code) {
		$row = $this->db->query("SELECT `name` FROM `" . DB_PREFIX . "country` WHERE LOWER(`iso_code_2`) = '" . $this->db->escape(strtolower($country_code)) . "'")->row;

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

		return '';
	}

	public function getCountryId($country_code) {
		$row = $this->db->query("SELECT `country_id` FROM `" . DB_PREFIX . "country` WHERE LOWER(`iso_code_2`) = '" . $this->db->escape(strtolower($country_code)) . "'")->row;

		if (isset($row['country_id']) && !empty($row['country_id'])) {
			return (int)$row['country_id'];
		}

		return 0;
	}

	public function getZoneId($zone_name) {
		$row = $this->db->query("SELECT `zone_id` FROM `" . DB_PREFIX . "zone` WHERE LOWER(`name`) = '" . $this->db->escape(strtolower($zone_name)) . "'")->row;

		if (isset($row['country_id']) && !empty($row['country_id'])) {
			return (int)$row['country_id'];
		}

		return 0;
	}

	public function updateOrderStatus($order_id, $status_id) {
		$this->db->query("INSERT INTO `" . DB_PREFIX . "order_history` (`order_id`, `order_status_id`, `notify`, `comment`, `date_added`) VALUES (" . (int)$order_id . ", " . (int)$status_id . ", 0, '', NOW())");

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

	public function addAmazonOrder($order_id, $amazon_order_id) {
		$this->db->query("INSERT INTO `" . DB_PREFIX . "amazon_order` (`order_id`, `amazon_order_id`) VALUES (" . (int)$order_id . ", '" . $this->db->escape($amazon_order_id) . "')");
	}

	public function addAmazonOrderProducts($order_id, $data) {
		foreach ($data as $sku => $order_item_id) {

			$row = $this->db->query("SELECT `order_product_id` FROM `" . DB_PREFIX . "order_product` WHERE `model` = '" . $this->db->escape($sku) . "' AND `order_id` = " . (int)$order_id . " LIMIT 1")->row;

			if (!isset($row['order_product_id']) || empty($row['order_product_id'])) {
				continue;
			}

			$order_product_id = $row['order_product_id'];

			$this->db->query("INSERT INTO `" . DB_PREFIX . "amazon_order_product` (`order_product_id`, `amazon_order_item_id`) VALUES (" . (int)$order_product_id . ", '" . $this->db->escape($order_item_id) . "')");
		}
	}

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

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

		return '';
	}

	public function getOrderStatus($order_id) {
		$row = $this->db->query("SELECT `order_status_id` FROM `" . DB_PREFIX . "order` WHERE `order_id` = " . (int)$order_id)->row;

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

		return 0;
	}

	public function getAmazonOrderId($order_id) {
		$row = $this->db->query("SELECT `amazon_order_id` FROM `" . DB_PREFIX . "amazon_order` WHERE `order_id` = " . (int)$order_id . " LIMIT 1")->row;

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

		return null;
	}

	public function getProductOptionsByVar($product_var) {
		$options = array();

		$option_value_ids = explode(':', $product_var);
		foreach ($option_value_ids as $option_value_id) {
			$option_details_row = $this->db->query("SELECT
				pov.product_option_id,
				pov.product_option_value_id,
				od.name,
				ovd.name as value,
				opt.type
			FROM `" . DB_PREFIX . "product_option_value` as pov,
				 `" . DB_PREFIX . "product_option` as po,
				 `" . DB_PREFIX . "option` as opt,
				 `" . DB_PREFIX . "option_value_description` as ovd,
				 `" . DB_PREFIX . "option_description` as od
			WHERE pov.product_option_value_id = '" . (int)$option_value_id . "' AND
				po.product_option_id = pov.product_option_id AND
				opt.option_id = pov.option_id AND
				ovd.option_value_id = pov.option_value_id AND ovd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND
				od.option_id = pov.option_id AND od.language_id = '" . (int)$this->config->get('config_language_id') . "'
			")->row;

			if (!empty($option_details_row)) {
				$options[] = array(
					'product_option_id' => (int)$option_details_row['product_option_id'],
					'product_option_value_id' => (int)$option_details_row['product_option_value_id'],
					'name' => $option_details_row['name'],
					'value' => $option_details_row['value'],
					'type' => $option_details_row['type']
				);
			}
		}

		return $options;
	}

	public function addOrderHistory($order_id) {
		if ($this->config->get('openbay_amazon_status') != 1) {
			return;
		}

		$this->load->library('log');
		$logger = new Log('amazon_stocks.log');
		$logger->write('addOrder() called with order id: ' . $order_id);

		$order_products = $this->openbay->getOrderProducts($order_id);

		foreach($order_products as $order_product) {
			$this->openbay->amazon->productUpdateListen($order_product['product_id']);
		}

		$logger->write('addOrder() exiting');
	}
}