$(document).ready(function() {
	//online pay onload submit
	if(document.getElementById('onlinPayFormSubmit')!=null){
		//document.getElementById('onlinPayFormSubmit').submit();
		onM1PayReady();
	}
});

function paymentCancel() {
	document.getElementById("paymentStatus").value = "cancel";
	document.getElementById('payGwId').submit();
}


   var channel = '';

    function onM1PayReady() {
      var emptyInputs = [];
      var res = $('#result');
      var merchantOrderNo = $('#merchantOrderNo');
      var exchangeOrderNo = $('#exchangeOrderNo');
      var transactionAmount = $('#transactionAmount');
      var emailAddress = $('#emailAddress');
      var phoneNumber = $('#phoneNumber');
      var transactionCurrency = "MYR";
      var productDescription = $('#productDescription');
      var serialNumber = $('#serialNumber');
      var pinNumber = $('#pinNumber');
      var fpxBankId = $('#fpxBankId');
     
      if (!merchantOrderNo.val()) {
        emptyInputs.push('merchantOrderNo')

      }
      if (!transactionAmount.val()) {
        emptyInputs.push('transactionAmount');

      }
      if (!emailAddress.val()) {
        emptyInputs.push('emailAddress');
      }
      
      if (!productDescription.val()) {
        emptyInputs.push('productDescription');

      }
     


      if (emptyInputs.length == 0) {

        res.text("Sending to payment to merchant host...");
        console.log("Sending to payment to merchant host...");
        console.log(phoneNumber.val());
        console.log(fpxBankId.val());
        m1pay.init({
          merchantHostURL: 'https://gateway.m1pay.com.my/eipay/api/m1pay-transaction',
          // merchantHostURL: 'http://localhost:8885/api/m1pay-transaction',
          merchantOrderNo: merchantOrderNo.val(),
          exchangeOrderNo: exchangeOrderNo.val(),
          transactionCurrency: transactionCurrency,
          skipConfirmation: true,
          transactionAmount: transactionAmount.val(),
          emailAddress: emailAddress.val(),
          productDescription: productDescription.val(),
          phoneNumber: phoneNumber.val(),
          fpxBankId: fpxBankId.val(),
          fpxBank: 1,
          channel: channel

        });
        m1pay.on("payment.success", function (response) {
          res.text('Return Code: ' + response);
        });
        m1pay.on("payment.error", function (response, error) {
          console.log("payment.error");
          //alert(JSON.stringify(error + ' ' + response.detail));
          //document.getElementById("response").innerHTML = 'Error Number: '+response + '<br> Detail: ' + error;
          //var res = $('#result');
          res.css('color', 'red').css('font-weight', 'Bold');
          res.text('Return Code: ' + response + ' Error : ' + error);
          //return false;
        });
        m1pay.on("payment.networkError", function (error) {
          //TODO handle this
          res.text('Network error happens');
        });
      }
      else {
        for (i = 0; i < emptyInputs.length; i++) {
          var elementId = emptyInputs[i] + '_invalid';
          console.log(elementId);
          //document.getElementById(elementId).style.display = "block";
        }
      }
    }


  window.m1pay = {};

  function successCallback(transaction) {}

  function failureCallback(transaction, error) {}
  
  function networkFailureCallback(error) {}


  m1pay.init = function (merchantInfo) {
    var formData = new URLSearchParams();
    Object.keys(merchantInfo).forEach(key => formData.append(key, merchantInfo[key]))

    xhr = new XMLHttpRequest();

    xhr.open('POST', merchantInfo.merchantHostURL);
    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xhr.onload = function() {
            if (xhr.status === 200) {
                successCallback(xhr.status);
                window.location.replace(xhr.responseText);
            }
            else {
              failureCallback(xhr.status,JSON.parse(xhr.response).message);
                
                
            }
    };
    //TODO handle unauthorised error here in case merchant host api is secured by merchant
    xhr.send(formData);


    /*fetch('http://localhost:8885/api/fpx-transaction', {
      headers: {}, method: 'POST', body: formData
    }).then(handleErrors)
      .then((response) => {
        //console.log(response.getResponseHeader("location"));
        window.location.replace(response.responseText);

      })
      .catch((error) => {
        networkFailureCallback(error)
      });*/
     
  }


  function handleErrors(response) {

    if (!response.ok) {
      response.json().then(function (object) {
        failureCallback(object, response.status);
      })

      throw Error(response.statusText);
    } else {
      return response;
    }

  }

  m1pay.on = function (resultMessage, resultFunc) {
    if (resultMessage == 'payment.success') {
      successCallback = resultFunc;

    }
    if (resultMessage == 'payment.error') {
      failureCallback = resultFunc;

    }
	if (resultMessage == 'payment.networkError') {
      networkFailureCallback = resultFunc;

    }
	
  }