/**
  A modal view for handling moving of posts to a new topic

  @class MoveSelectedView
  @extends Discourse.ModalBodyView
  @namespace Discourse
  @module Discourse
**/
Discourse.MoveSelectedView = Discourse.ModalBodyView.extend({
  templateName: 'modal/move_selected',
  title: Em.String.i18n('topic.move_selected.title'),
  saving: false,

  selectedCount: (function() {
    if (!this.get('selectedPosts')) return 0;
    return this.get('selectedPosts').length;
  }).property('selectedPosts'),

  buttonDisabled: (function() {
    if (this.get('saving')) return true;
    return this.blank('topicName');
  }).property('saving', 'topicName'),

  buttonTitle: (function() {
    if (this.get('saving')) return Em.String.i18n('saving');
    return Em.String.i18n('topic.move_selected.title');
  }).property('saving'),

  movePosts: function() {
    var postIds,
      _this = this;
    this.set('saving', true);
    postIds = this.get('selectedPosts').map(function(p) {
      return p.get('id');
    });
    Discourse.Topic.movePosts(this.get('topic.id'), this.get('topicName'), postIds).then(function(result) {
      if (result.success) {
        $('#discourse-modal').modal('hide');
        Em.run.next(function() {
          Discourse.URL.routeTo(result.url);
        });
      } else {
        _this.flash(Em.String.i18n('topic.move_selected.error'));
        return _this.set('saving', false);
      }
    }, function() {
      _this.flash(Em.String.i18n('topic.move_selected.error'));
      return _this.set('saving', false);
    });
    return false;
  }
});