/* global customcheckout */

(function() {
  var customCheckout = customcheckout();

  var isCardNumberComplete = false;
  var isCVVComplete = false;
  var isExpiryComplete = false;

  var customCheckoutController = {
    init: function() {
      console.log('checkout.init()');
      this.createInputs();
      this.addListeners();
    },
    createInputs: function() {
      console.log('checkout.createInputs()');
      var options = {};

      // Create and mount the inputs
      options.placeholder = 'Card number';
      customCheckout.create('card-number', options).mount('#card-number');

      options.placeholder = 'CVV';
      customCheckout.create('cvv', options).mount('#card-cvv');

      options.placeholder = 'MM / YY';
      customCheckout.create('expiry', options).mount('#card-expiry');
    },
    addListeners: function() {
      var self = this;

      // listen for submit button
      if (document.getElementById('checkout-form') !== null) {
        document
          .getElementById('checkout-form')
          .addEventListener('submit', self.onSubmit.bind(self));
      }

      customCheckout.on('brand', function(event) {
        console.log('brand: ' + JSON.stringify(event));

        var cardLogo = 'none';
        if (event.brand && event.brand !== 'unknown') {
          var filePath =
            'https://cdn.na.bambora.com/downloads/images/cards/' +
            event.brand +
            '.svg';
          cardLogo = 'url(' + filePath + ')';
        }
        document.getElementById('card-number').style.backgroundImage = cardLogo;
      });

      customCheckout.on('blur', function(event) {
        console.log('blur: ' + JSON.stringify(event));
      });

      customCheckout.on('focus', function(event) {
        console.log('focus: ' + JSON.stringify(event));
      });

      customCheckout.on('empty', function(event) {
        console.log('empty: ' + JSON.stringify(event));

        if (event.empty) {
          if (event.field === 'card-number') {
            isCardNumberComplete = false;
          } else if (event.field === 'cvv') {
            isCVVComplete = false;
          } else if (event.field === 'expiry') {
            isExpiryComplete = false;
          }
          self.setPayButton(false);
        }
      });

      customCheckout.on('complete', function(event) {
        console.log('complete: ' + JSON.stringify(event));

        if (event.field === 'card-number') {
          isCardNumberComplete = true;
          self.hideErrorForId('card-number');
        } else if (event.field === 'cvv') {
          isCVVComplete = true;
          self.hideErrorForId('card-cvv');
        } else if (event.field === 'expiry') {
          isExpiryComplete = true;
          self.hideErrorForId('card-expiry');
        }

        self.setPayButton(
          isCardNumberComplete && isCVVComplete && isExpiryComplete
        );
      });

      customCheckout.on('error', function(event) {
        console.log('error: ' + JSON.stringify(event));

        if (event.field === 'card-number') {
          isCardNumberComplete = false;
          self.showErrorForId('card-number', event.message);
        } else if (event.field === 'cvv') {
          isCVVComplete = false;
          self.showErrorForId('card-cvv', event.message);
        } else if (event.field === 'expiry') {
          isExpiryComplete = false;
          self.showErrorForId('card-expiry', event.message);
        }
        self.setPayButton(false);
      });
    },
    onSubmit: function(event) {
      var self = this;

      console.log('checkout.onSubmit()');

      event.preventDefault();
      self.setPayButton(false);
      self.toggleProcessingScreen();

      var callback = function(result) {
        console.log('token result : ' + JSON.stringify(result));

        if (result.error) {
          self.processTokenError(result.error);
        } else {
          self.processTokenSuccess(result.token);
        }
      };

      console.log('checkout.createToken()');
      customCheckout.createToken(callback);
    },
    hideErrorForId: function(id) {
      console.log('hideErrorForId: ' + id);

      var element = document.getElementById(id);

      if (element !== null) {
        var errorElement = document.getElementById(id + '-error');
        if (errorElement !== null) {
          errorElement.innerHTML = '';
        }

        var bootStrapParent = document.getElementById(id + '-bootstrap');
        if (bootStrapParent !== null) {
          bootStrapParent.className = 'form-group has-feedback has-success';
        }
      } else {
        console.log('showErrorForId: Could not find ' + id);
      }
    },
    showErrorForId: function(id, message) {
      console.log('showErrorForId: ' + id + ' ' + message);

      var element = document.getElementById(id);

      if (element !== null) {
        var errorElement = document.getElementById(id + '-error');
        if (errorElement !== null) {
          errorElement.innerHTML = message;
        }

        var bootStrapParent = document.getElementById(id + '-bootstrap');
        if (bootStrapParent !== null) {
          bootStrapParent.className = 'form-group has-feedback has-error ';
        }
      } else {
        console.log('showErrorForId: Could not find ' + id);
      }
    },
    setPayButton: function(enabled) {
      console.log('checkout.setPayButton() disabled: ' + !enabled);

      var payButton = document.getElementById('pay-button');
      if (enabled) {
        payButton.disabled = false;
        payButton.className = 'btn btn-primary';
      } else {
        payButton.disabled = true;
        payButton.className = 'btn btn-primary disabled';
      }
    },
    toggleProcessingScreen: function() {
      var processingScreen = document.getElementById('processing-screen');
      if (processingScreen) {
        processingScreen.classList.toggle('visible');
      }
    },
    showErrorFeedback: function(message) {
      var xMark = '\u2718';
      this.feedback = document.getElementById('feedback');
      this.feedback.innerHTML = xMark + ' ' + message;
      this.feedback.classList.add('error');
    },
    showSuccessFeedback: function(message) {
      var checkMark = '\u2714';
      this.feedback = document.getElementById('feedback');
      this.feedback.innerHTML = checkMark + ' ' + message;
      this.feedback.classList.add('success');
    },
    processTokenError: function(error) {
      error = JSON.stringify(error, undefined, 2);
      console.log('processTokenError: ' + error);

      this.showErrorFeedback(
        'Error creating token: </br>' + JSON.stringify(error, null, 4)
      );
      this.setPayButton(true);
      this.toggleProcessingScreen();
    },
    processTokenSuccess: function(token) {
      console.log('processTokenSuccess: ' + token);

      //this.showSuccessFeedback('Success! Created token: ' + token);
      this.toggleProcessingScreen();
	  var inputToken = $('<input type=hidden name=bamboraToken />').val(token);
	  $('#checkout-form').append(inputToken);
	  $('#checkout-form').submit();


	  //document.getElementById('checkout-form').submit();

      // Use token to call payments api
      // this.makeTokenPayment(token);
    },
  };

  customCheckoutController.init();
})();