"use strict";

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: Cognos Analytics
 * Copyright IBM Corp. 2016, 2017
 * US Government Users Restricted Rights - Use, duplication or disclosure
 * restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['q', 'jquery', 'underscore', 'bi/admin/nls/StringResource', 'bi/commons/ui/core/Class', 'bi/commons/ui/ButtonBar', 'bi/commons/ui/SlideoutHeaderView', 'bi/commons/ui/StandardLayoutView', 'bi/glass/utils/ClassFactory'], function (Q, $, _, StringResource, Class, ButtonBar, SlideoutHeaderView, StandardLayoutView, classFactory) {
  var BasePerspectiveListView = Class.extend({
    previewDialogModule: 'bi/glass/common/ui/PreviewDialog',
    APPLY_BUTTON_ID: 'applySelection',
    PREVIEW_BUTTON_ID: 'previewPerspective',
    init: function init(options) {
      BasePerspectiveListView.inherited('init', this, arguments);

      _.extend(this, options);

      this._contentView = this._getNewStandardLayoutView();
      this._header = this._getNewSlideoutHeaderView({
        title: this.title,
        slideout: this.slideout
      });
      this._contentView.headerView = this._header;
      this._footer = this._getNewButtonBar({
        buttons: [{
          'id': this.PREVIEW_BUTTON_ID,
          'label': StringResource.get('preview'),
          'onSelect': this._showPreview.bind(this)
        }, {
          'id': this.APPLY_BUTTON_ID,
          'label': StringResource.get('apply'),
          'onSelect': this._applyPerspective.bind(this)
        }]
      });
      this._contentView.footerView = this._footer;
      this._selectionChanged = this._selectionChanged.bind(this);
    },
    _getNewStandardLayoutView: function _getNewStandardLayoutView(options) {
      return new StandardLayoutView(options);
    },
    _getNewSlideoutHeaderView: function _getNewSlideoutHeaderView(options) {
      return new SlideoutHeaderView(options);
    },
    _getNewButtonBar: function _getNewButtonBar(options) {
      return new ButtonBar(options);
    },
    _applyPerspective: function _applyPerspective() {
      var currentSelection = this._getCurrentSelection();

      if (currentSelection && _.isFunction(this.onApplyCallback)) {
        if (currentSelection.name === BasePerspectiveListView.DEFAULT) {
          currentSelection.value = null;
        }

        this.onApplyCallback(currentSelection);
      }

      ;
    },
    _showPreview: function _showPreview() {
      var currentSelection = this._getCurrentSelection();

      if (currentSelection) {
        return Q(this._getPreviewMap(currentSelection)).then(function (map) {
          var dialogOptions = {
            glassContext: this.glassContext,
            urlMap: map
          };
          return classFactory.instantiate(this.previewDialogModule, dialogOptions).then(function (dialog) {
            dialog.open();
          }.bind(this));
        }.bind(this)).fail(function () {
          this.glassContext.appController.showToast(StringResource.get('previewDialogFailed'), {
            type: 'error'
          });
          return Q.reject();
        }.bind(this));
      } else {
        this.glassContext.appController.showToast(StringResource.get('invalidPerspective'), {
          type: 'error'
        });
        return Q.reject();
      }
    },
    _getPreviewMap: function _getPreviewMap(currentSelection) {
      var map;

      if (currentSelection.value !== undefined) {
        if (currentSelection.name === BasePerspectiveListView.DEFAULT) {
          // getDefaultHome returns a Promise which will be resolved to the map
          map = this._getDefaultHome();
        } else {
          map = currentSelection.value.content || {};
          map.perspective = currentSelection.value.perspective;
        }
      } else {
        map = {
          'perspective': currentSelection.name
        };
      }

      return map;
    },
    _getListSpec: function _getListSpec() {
      return {
        'defaultSort': [1, 'asc'],
        'getData': this._getPerspectives.bind(this),
        'columns': this._getListColumnSpecification(),
        'a11yLabel': this.title,
        'glassContext': this.glassContext,
        'selectCallback': this._selectionChanged.bind(this)
      };
    },
    _getListColumnSpecification: function _getListColumnSpecification() {
      return [{
        'module': 'bi/content_apps/common/ui/list_columns/RadioButtons'
      }, {
        'module': 'bacontentnav/common/ui/list_columns/Text',
        'propertyName': 'name',
        '_bNavigable': true,
        'label': StringResource.get('name'),
        'scope': 'row'
      }];
    },
    _getCurrentSelection: function _getCurrentSelection() {
      var selection;

      if (this._body && _.isFunction(this._body.getCurrentSelection)) {
        selection = this._body.getCurrentSelection();
      }

      return selection;
    },
    _selectionChanged: function _selectionChanged() {
      var currentSelection = this._getCurrentSelection();

      if (currentSelection.name) {
        this._footer.enableAllButtons();
      } else {
        this._footer.disableAllButtons();
      }
    },
    _getDefaultHome: function _getDefaultHome() {
      return this.glassContext.services.ajax.ajax({
        'type': 'GET',
        'url': 'v1/system_profile_settings'
      }).then(function (response) {
        return response.defaultHome;
      });
    },
    remove: function remove() {
      this._contentView.remove();
    },
    render: function render() {
      return this._contentView.render();
    }
  });
  BasePerspectiveListView.DEFAULT = StringResource.get('default');
  return BasePerspectiveListView;
});