<?php
/**
 * Retailcrm Integration.
 *
 * @package  WC_Retailcrm_Orders
 * @category Integration
 * @author   Retailcrm
 */

if ( ! class_exists( 'WC_Retailcrm_Orders' ) ) :

    /**
     * Class WC_Retailcrm_Orders
     */
    class WC_Retailcrm_Orders
    {
        public function __construct()
        {
            $this->retailcrm_settings = get_option( 'woocommerce_integration-retailcrm_settings' );

            if ( ! class_exists( 'WC_Retailcrm_Proxy' ) ) {
                include_once( __DIR__ . '/api/class-wc-retailcrm-proxy.php' );
            }

            $this->retailcrm = new WC_Retailcrm_Proxy(
                $this->retailcrm_settings['api_url'],
                $this->retailcrm_settings['api_key']
            );
        }

        /**
         * Upload orders to CRM
         */
        public function ordersUpload()
        {
            $orders = get_posts(array(
                'numberposts' => -1,
                'post_type' => wc_get_order_types('view-orders'),
                'post_status' => array_keys(wc_get_order_statuses())
            ));

            $orders_data = array();

            foreach ($orders as $data_order) {
                $order_data = $this->processOrder($data_order->ID);

                $order = new WC_Order($order_id);
                $customer = $order->get_user();

                if ($customer != false) {
                    $order_data['customer']['externalId'] = $customer->get('ID');
                }

                $orders_data[] = $order_data;
            }

            $uploadOrders = array_chunk($orders_data, 50);

            foreach ($uploadOrders as $uploadOrder) {
               $this->retailcrm->ordersUpload($uploadOrder);
            }
        }

        /**
         * Create order
         *
         * @param $order_id
         */
        public function orderCreate($order_id)
        {
            $order_data = $this->processOrder($order_id);

            $order = new WC_Order($order_id);
            $customer = $order->get_user();

            if ($customer != false) {
                $search = $this->retailcrm->customersGet($customer->get('ID'));

                if (!$search->isSuccessful()) {
                    $customer_data = array(
                        'externalId' => $customer->get('ID'),
                        'firstName' => $order_data['firstName'],
                        'lastName' => $order_data['lastName'],
                        'email' => $order_data['email']
                    );

                    $this->retailcrm->customersCreate($customer_data);

                } else {
                    $order_data['customer']['externalId'] = $search['customer']['externalId'];
                }
            }

            $this->retailcrm->ordersCreate($order_data);
        }

        /**
         * Update shipping address
         *
         * @param $order_id, $address
         */
        public function orderUpdateShippingAddress($order_id, $address) {
            $address['externalId'] = $order_id;

            $response = $this->retailcrm->ordersEdit($address);
        }
        
        /**
         * Update order status
         *
         * @param $order_id
         */
        public function orderUpdateStatus($order_id) {
            $order = new WC_Order( $order_id );

            $order_data = array(
                'externalId' => $order_id,
                'status' => $this->retailcrm_settings[$order->get_status()]
            );

            $response = $this->retailcrm->ordersEdit($order_data);
        }

        /**
         * Update order payment type
         *
         * @param $order_id
         */
        public function orderUpdatePaymentType($order_id, $payment_method) {

            $order_data = array(
                'externalId' => $order_id,
                'paymentType' => $this->retailcrm_settings[$payment_method]
            );

            $response = $this->retailcrm->ordersEdit($order_data);
        }
        
        /**
         * Update order payment
         *
         * @param $order_id
         */
        public function orderUpdatePayment($order_id) {
            $order = new WC_Order( $order_id );

            $order_data = array(
                'externalId' => $order_id,
                'paymentStatus' => 'paid'
            );

            $response = $this->retailcrm->ordersEdit($order_data);
        }

        /**
         * Update order items
         *
         * @param $order_id, $data
         */
        public function orderUpdateItems($order_id, $data) {
            $order = new WC_Order( $order_id );

            $order_data['externalId'] = $order_id;
            $shipping_method = end($data['shipping_method']);
            $shipping_cost = end($data['shipping_cost']);
            $products = $order->get_items();
            $items = array();

            foreach ($products as $order_item_id => $product) {
                if ($product['variation_id'] > 0) {
                    $offer_id = $product['variation_id'];
                } else {
                    $offer_id = $product['product_id'];
                }

                $_product = wc_get_product($offer_id);
                $items[] = array(
                    'offer' => array('externalId' => $offer_id),
                    'productName' => $product['name'],
                    'initialPrice' => (float)$_product->get_price(),
                    'quantity' => $product['qty']
                );
            }

            $order_data['items'] = $items;

            if (!empty($shipping_method) && !empty($this->retailcrm_settings[$shipping_method])) {
                $order_data['delivery']['code'] = $this->retailcrm_settings[$shipping_method];
            }

            if (!empty($shipping_cost)) {
                $shipping_cost = str_replace(',', '.', $shipping_cost);
                $order_data['delivery']['cost'] = $shipping_cost;
            }
            
            $response = $this->retailcrm->ordersEdit($order_data);
        }

        public function processOrder($order_id)
        {
            if ( !$order_id ){
                return;
            }

            $order = new WC_Order( $order_id );
            $order_data = array();

            $order_data['externalId'] = $order->id;
            $order_data['number'] = $order->get_order_number();
            $order_data['createdAt'] = $order->order_date;

            if (!empty($order->payment_method) && !empty($this->retailcrm_settings[$order->payment_method])) {
                $order_data['paymentType'] = $this->retailcrm_settings[$order->payment_method];
            }

            if(!empty($order->get_items( 'shipping' )) && $order->get_items( 'shipping' ) != '') {
                $shipping = end($order->get_items( 'shipping' ));
                $shipping_code = explode(':', $shipping['method_id']);
                $shipping_method = $shipping_code[0];
                $shipping_cost = $shipping['cost'];

                if (!empty($shipping_method) && !empty($this->retailcrm_settings[$shipping_method])) {
                    $order_data['delivery']['code'] = $this->retailcrm_settings[$shipping_method];
                }

                if (!empty($shipping_cost)) {
                    $order_data['delivery']['cost'] = $shipping_cost;
                }
            }

            if ($order->is_paid()) {
                $order_data['paymentStatus'] = 'paid';
            }

            $status = $order->get_status();
            $order_data['status'] = $this->retailcrm_settings[$status];
            
            $user_data = $order->get_address();

            if (!empty($user_data)) {

                if (!empty($user_data['first_name'])) $order_data['firstName'] = $user_data['first_name'];
                if (!empty($user_data['last_name'])) $order_data['lastName'] = $user_data['last_name'];
                if (!empty($user_data['phone'])) $order_data['phone'] = $user_data['phone'];
                if (!empty($user_data['email'])) $order_data['email'] = $user_data['email'];
                if (!empty($user_data['postcode'])) $order_data['delivery']['address']['index'] = $user_data['postcode'];
                if (!empty($user_data['state'])) $order_data['delivery']['address']['region'] = $user_data['state'];
                if (!empty($user_data['city'])) $order_data['delivery']['address']['city'] = $user_data['city'];
                if (!empty($user_data['country'])) $order_data['delivery']['address']['countryIso'] = $user_data['country'];

                $order_data['delivery']['address']['text'] = sprintf(
                    "%s %s %s %s %s",
                    $user_data['postcode'],
                    $user_data['state'],
                    $user_data['city'],
                    $user_data['address_1'],
                    $user_data['address_2']
                );
            }

            $order_items = array();

            foreach ($order->get_items() as $item) {
                $uid = ($item['variation_id'] > 0) ? $item['variation_id'] : $item['product_id'] ;
                $_product = wc_get_product($uid);
                
                if ($_product) {
                    $order_item = array(
                        'offer' => array('externalId' => $uid),
                        'productName' => $item['name'],
                        'initialPrice' => (float)$_product->get_price(),
                        'quantity' => $item['qty'],
                    );
                }

                $order_items[] = $order_item;
            }

            $order_data['items'] = $order_items;

            return $order_data;
        }
    }
endif;