// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
(function(cloudStack, $) {
  cloudStack.uiCustom.uploadVolume = function(args) {
    var listView = args.listView;
    var action = args.action;

    var validate = function($uploadVolume) {
      if (!$uploadVolume.find('input[type=text]').val()) {
        cloudStack.dialog.notice({ message: _l('message.specify.url')});

        return false;
      }
      
      if (!$uploadVolume.find(
        'input[type=radio]:checked, input[type=checkbox]:checked'
      ).size()) {
        cloudStack.dialog.notice({ message: _l('message.select.instance')});

        return false;
      }

      return true;
    };

    return function(args) {
      var $uploadVolume = $('<div>').addClass('upload-volume');
      var context = args.context;
      var topFields = function() {
        var $form = $('<form>').addClass('top-fields');
        var $urlLabel = $('<label>').html(_l('label.url') + ':');
        var $urlField = $('<div>').addClass('field url');
        var $nameLabel = $('<label>').html(_l('label.name') + ':');
        var $nameField = $('<div>').addClass('field name');
        var $urlInput = $('<input>').attr({
          type: 'text',
          name: 'url'
        }).addClass('required');
        var $nameInput = $('<input>').attr({
          type: 'text',
          name: 'name'
        }).addClass('required');

        $urlField.append($urlLabel, $urlInput);
        $nameField.append($nameLabel, $nameInput);
        $form.append($nameField, $urlField);

        return $form;
      };
      var vmList = function(args) {
        // Create a listing of instances, based on limited information
        // from main instances list view
        var $listView;
        var instances = $.extend(true, {}, args.listView, {
          context: context,
          uiCustom: true
        });

        instances.listView.actions = {
          select: {
            label: _l('label.select.instance'),
            type: 'radio',
            action: {
              uiCustom: function(args) {
                var $item = args.$item;
                var $input = $item.find('td.actions input:visible');

                if ($input.attr('type') == 'checkbox') {
                  if ($input.is(':checked'))
                    $item.addClass('multi-edit-selected');
                  else
                    $item.removeClass('multi-edit-selected');
                } else {
                  $item.siblings().removeClass('multi-edit-selected');
                  $item.addClass('multi-edit-selected');
                }
              }
            }
          }
        };

        $listView = $('<div>').listView(instances);

        // Change action label
        $listView.find('th.actions').html(_l('label.select'));

        return $listView;
      };

      $uploadVolume.append(
        topFields,
        $('<div>').addClass('desc').html(_l('label.select.instance.to.attach.volume.to') + ':'),
        $('<div>').addClass('listView-container').append(
          vmList({ listView: listView }) 
        )
      );
      $uploadVolume.dialog({
        dialogClass: 'multi-edit-add-list panel',
        width: 900,
        title: _l('label.upload.volume'),
        buttons: [
          {
            text: _l('label.upload'),
            'class': 'ok',
            click: function() {
              if (!validate($uploadVolume)) return false;

              var complete = args.complete;
              var $loading = $('<div>').addClass('loading-overlay');

              $loading.appendTo($uploadVolume);
              action({
                data: cloudStack.serializeForm($uploadVolume.find('form')),
                context: $.extend(true, {}, context, {
                  instances: [
                    $uploadVolume.find('tr.multi-edit-selected').data('json-obj')
                  ]
                }),
                response: {
                  success: function(args) {
                    $('.ui-dialog').fadeOut(function() {
                      $('.ui-dialog').remove();
                      $(window).trigger('cloudStack.fullRefresh');
                    });
                    $('div.overlay').fadeOut(function() {
                      $('div.overlay').remove();
                    });
                    complete({
                      $item: $('<div>'),
                      _custom: args._custom
                    });
                  },
                  error: function(args) {
                    $loading.remove();
                    cloudStack.dialog.notice({ message: args });
                  }
                }
              });
            }
          },
          {
            text: _l('label.cancel'),
            'class': 'cancel',
            click: function() {
              $('.ui-dialog').fadeOut(function() {
                $('.ui-dialog').remove();
              });
              $('div.overlay').fadeOut(function() {
                $('div.overlay').remove();
              });
            }
          }
        ]
      }).closest('.ui-dialog').overlay();
    };
  };
}(cloudStack, jQuery));