<?php
/**
 * custom APIs for BillDesk 1cc
 */
use io\billdesk\client\hmacsha256\BillDeskJWEHS256Client;
use io\billdesk\client\hmacsha256\JWEHS256Helper;

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

if (file_exists(dirname(__FILE__) . '/vendor/autoload.php')) {
    require_once dirname(__FILE__) . '/vendor/autoload.php';
}
require_once dirname(__FILE__) . '/logger.php';

function BilldeskPgConnectivityRestApi()
{

   
    // test pg connectivity
    register_rest_route(
        'woo/billdesk',
        '/api/test-connection',
        array(
            'methods' => 'POST',
            'callback' => 'woo_testconnection',
            'permission_callback' => '__return_true'
        )
    );
    function woo_testconnection(WP_REST_Request $request)
        {
           // error_log("Inside Callback Test Connection: ".var_dump($request). PHP_EOL, 0);
            $params     = $request->get_params();
            $log = WooBillDeskLogger::logger("Test PG Connectivity ");
            $woocommerce_billdesk_merchant_id = sanitize_text_field($params['woocommerce_billdesk_merchant_id']);
            $woocommerce_billdesk_merchant_id = sanitize_text_field($params['woocommerce_billdesk_merchant_id']);
            $woocommerce_billdesk_merchant_key = sanitize_text_field($params['woocommerce_billdesk_merchant_key']);
            $woocommerce_billdesk_client_id = sanitize_text_field($params['woocommerce_billdesk_client_id']);
            $woocommerce_billdesk_environment = sanitize_text_field($params['woocommerce_billdesk_environment']); 

            error_log("Inside Callback woocommerce_billdesk_merchant_id: ".$woocommerce_billdesk_merchant_id. PHP_EOL, 0);
            
            $currency_value = get_woocommerce_currency();
            try{
            // TODO: Need to create a list of all supported currencies or list of all ISO currencies
            $arr = array(
                 'INR' =>'356' ,'USD' => '840','GBP' => '826', 'EUR' => '978', 'AED' => '784'
            );

            // FIXME: Possibility of currency being null at this point.
            // If we have all the currencies in the table, this will lead to
            // error from PG which is a more appropriate scenario.
            $currency = $arr[$currency_value];
            $log->debug("Identified order currency: $currency");
            $returnUrl = get_option('siteurl') ;
            $ip = getenv('HTTP_CLIENT_IP') ?:
                getenv('HTTP_X_FORWARDED_FOR') ?:
                getenv('HTTP_X_FORWARDED') ?:
                getenv('HTTP_FORWARDED_FOR') ?:
                getenv('HTTP_FORWARDED') ?:
                getenv('REMOTE_ADDR');
                $ipaddress = strtok($ip, ",");
                $userAgent = $_SERVER['HTTP_USER_AGENT'];
            try {
                if ($woocommerce_billdesk_environment == 'UAT') {
                    $client = new BillDeskJWEHS256Client('https://uat1.billdesk.com/u2', $woocommerce_billdesk_client_id, $woocommerce_billdesk_merchant_key);
                }
                if ($woocommerce_billdesk_environment == 'PROD') {
                    $client = new BillDeskJWEHS256Client('https://api.billdesk.com', $woocommerce_billdesk_client_id, $woocommerce_billdesk_merchant_key);
                }
                $client->setLogger($log);
            try {
                    $request = array(
                    'mercid' => $woocommerce_billdesk_merchant_id,
                    'orderid' => uniqid(),
                    'amount' =>  "100",
                    'order_date' => date_format(new \DateTime(), DATE_W3C),
                    'currency' => $currency,
                    'ru' =>  $returnUrl,
                    'itemcode' => 'DIRECT',
                    'device' => array(
                        'init_channel' => 'internet',
                        'ip' => $ipaddress,
                        'user_agent' => $userAgent
                    ),
                );

                $response = $client->createOrder($request);
                $results = $response->getResponse();
                $res = json_encode($results);
                return $res;
                
            } catch (Exception $exp) {
                $log->debug("Exception on creating connection with php client    $exp");
               error_log("Server responded with error1: " . $exp . PHP_EOL, 0);

                return true;
            }
            }catch (Exception $exp) {
                error_log("Server responded with error2: " . $e . PHP_EOL, 0);
                //print($exp->getMessage());
                return true;
                }
                }catch (Exception $e) {
                   $log->debug("Exception on creating connection with php client    $e");
                   error_log("Server responded with error3: " . $e . PHP_EOL, 0);

                   print("Failed to create order.Currency is not there in list");
                    return true;
                }  
        }
      
}

add_action('rest_api_init', 'BilldeskPgConnectivityRestApi');