"use strict";

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: admin
 * Copyright IBM Corp. 2015, 2017
 * US Government Users Restricted Rights
 * Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['underscore', 'bi/admin/datasource/ui/MetaDataListView', 'bi/admin/nls/StringResource', 'bi/admin/common/ui/ErrorView', 'bi/admin/common/dialog/SimpleDialog', 'text!bi/admin/datasource/templates/SchemaListPaneTemplate.html', 'text!bi/admin/datasource/templates/SchemaListTemplate.html'], function (_, MetaDataListView, StringResource, ErrorView, SimpleDialog, SchemaListPaneTemplate, SchemaListTemplate) {
  'use strict'; //NOSONAR: meant to be strict

  var SchemaListView = MetaDataListView.extend({
    menuId: 'com.ibm.bi.admin.schemaMenu',
    _metaDataColName: 'schemaName',
    _statusIcon: {
      'cancelled': '#common-information',
      'executing': '#common-information',
      'failed': '#common-error',
      'pending': '#common-unloaded_schema',
      'purged': '#common-information',
      'succeeded': '#common-success',
      'suspended': '#common-information',
      'scheduled': '#common-information',
      'terminated': '#common-information',
      'inactive': '#common-information',
      'LOADED': '#common-success',
      'loaded': '#common-success',
      'NOTLOADED': '#common-information',
      'not_loaded': '#common-unloaded_schema',
      'LOADING': '#common-information',
      'PENDING': '#common-information',
      'ERROR': '#common-error',
      'error': '#common-error'
    },
    _statusClass: {
      'cancelled': 'information',
      'executing': 'information',
      'failed': 'failed',
      'pending': 'information',
      'purged': 'information',
      'succeeded': 'succeeded',
      'suspended': 'information',
      'scheduled': 'information',
      'terminated': 'information',
      'inactive': 'information',
      'LOADED': 'succeeded',
      'loaded': 'succeeded',
      'NOTLOADED': 'information',
      'not_loaded': 'information',
      'LOADING': 'information',
      'PENDING': 'information',
      'ERROR': 'failed',
      'error': 'failed'
    },
    _schemaStatusMsgMap: {
      'loaded': 'metadataLoaded',
      'loading': 'metadataLoading',
      'pending': 'metadataNotLoaded',
      'not_loaded': 'metadataNotLoaded',
      'error': 'Error'
    },
    _displayLoadingToast: true,
    init: function init(options) {
      SchemaListView.inherited('init', this, arguments);

      _.extend(this, options);

      this._template = SchemaListTemplate;
      this._paneTemplate = SchemaListPaneTemplate;
      this.sortMap = {
        'schemaName': 'defaultName',
        'status': 'status'
      };
    },
    _isItemSelectable: function _isItemSelectable(item) {
      return item.schemaType === 'user' || this.showSystemSchemas;
    },
    _getLoadInformationToShow: function _getLoadInformationToShow(schema) {
      //Add logic to determine what to show in the load information column
      var loadInfo = "";

      if (schema.status === 'loaded' && schema.statusInfo && schema.statusInfo.statistics) {
        if (schema.statusInfo.statistics) {
          loadInfo = StringResource.get('numberOfTablesLoaded', {
            iTablesLoaded: schema.statusInfo.statistics.tablesLoaded,
            iTablesAvailable: schema.statusInfo.statistics.tablesSelected
          });
        } else {
          loadInfo = '';
        }
      }

      return loadInfo;
    },
    _buildItems: function _buildItems(schema) {
      schema.connId = this.conn.id;
      schema.databaseId = schema.defaultName;
      schema.loadInformation = this._getLoadInformationToShow(schema);
      schema.errorInformation = this._getErrorInformationToShow(schema);
      schema.statusIcon = $(this._statusIcon).attr(schema.status);
      schema.statusIconMsg = StringResource.get(this._schemaStatusMsgMap[schema.status]);
      schema.iconClass = 'bi-admin-icon-' + $(this._statusClass).attr(schema.status);
      return schema;
    },
    _handleSelection: function _handleSelection(e, contextMenuAction) {
      var $item = $(e.target).closest('.bi-admin-list-item');
      var id = $item.attr('id').trim();

      var selectedItem = this._getItemById(id);

      if ($(e.target).hasClass("loadinfo-error")) {
        this._createErrorPopup(selectedItem);
      } else {
        // multi-select
        var selectedIndex = _.find(this.selectedRows, function (schema) {
          return schema.id === id;
        });

        var shift = e.shiftKey;
        var meta = e.metaKey || e.ctrlKey;
        var dirtySelections = [];

        if (meta) {
          dirtySelections = this._handleMetaSelect(id, $item, selectedIndex, dirtySelections);
        } else if (shift) {
          dirtySelections = this._handleShiftSelect(selectedItem, dirtySelections);
        } else {
          dirtySelections = this._handleNormalSelect(id, $item, selectedIndex, dirtySelections, contextMenuAction);
        }

        this._applySelectionStyling(dirtySelections);
      }
    },
    _createErrorPopup: function _createErrorPopup(selectedItem) {
      var errorDialogOptions = {
        displayMsgList: selectedItem.statusInfo.messages,
        viewObject: ErrorView,
        title: StringResource.get('Errors')
      };
      var errorDialog = new SimpleDialog(errorDialogOptions);
      errorDialog.open();
    },
    _getErrorInformationToShow: function _getErrorInformationToShow(schema) {
      if (schema.statusInfo && schema.statusInfo.messages) {
        var iErrors = 0;
        var iWarnings = 0;

        _.each(schema.statusInfo.messages, function (value) {
          if (value.severity === 'ERROR') {
            ++iErrors;
          } else if (value.severity === 'WARNING') {
            ++iWarnings;
          }
        });

        return this._getErrorMsg(iErrors, iWarnings);
      }
    },
    _getErrorMsg: function _getErrorMsg(errs, warns) {
      //If errors, return msg with number of errors, else show the number of warnings
      var errorMsg = "";
      var whichString;

      if (errs > 0) {
        if (errs >= 5) {
          whichString = 'ErrorsFivePlus';
        } else if (errs > 1) {
          whichString = 'ErrorsTwoToFour';
        } else {
          whichString = 'Error';
        }

        errorMsg = StringResource.get(whichString, {
          num: errs
        });
      } else if (warns > 0) {
        if (warns >= 5) {
          whichString = 'WarningsFivePlus';
        } else if (warns > 1) {
          whichString = 'WarningsTwoToFour';
        } else {
          whichString = 'Warning';
        }

        errorMsg = StringResource.get(whichString, {
          num: warns
        });
      }

      return errorMsg;
    },
    _updateStatus: function _updateStatus(id, moserResponse) {
      var state = moserResponse.state;
      var connectionLV;

      if (this.dcPropertySlideout) {
        connectionLV = this.dcPropertySlideout.contentView._oPropertyUIControl.items[2].items[1].el;
      } else {
        // for pane in the MUI perspective - don't have dcPropertySlideout
        connectionLV = $('.bi-admin-list');
      }

      if (state === 'EXECUTING' || state === 'NOT_CANCELLABLE') {
        //Change load information for executing task
        var loadInfoSpan = $(connectionLV.find(this._escapeId(id))).find('span.bi-admin-schema-lastCached');

        var loadInfo = this._getSchemaLoadPercentageComplete(moserResponse);

        $(loadInfoSpan[0]).text(loadInfo); //Check for existing loading animation

        if (connectionLV.find(this._escapeId(id)).find('.admin_schemaIconLoader').length === 0) {
          var currentStatusSvg = $(connectionLV.find(this._escapeId(id)).find('svg')[0]);

          if (currentStatusSvg) {
            currentStatusSvg.hide();
          }

          ;
          var loadingCircle = '<svg class="svgIcon admin-datasource-svgIcon admin_schemaIconLoader"><circle class="loader__path" cx="12.35px" cy="12.35px" r="6px"></circle></svg> ';
          connectionLV.find(this._escapeId(id)).find('.bi-admin-schema-status').append(loadingCircle);
        }
      } else {
        connectionLV.find(this._escapeId(id)).find('use').attr('xlink:href', $(this._statusIcon).attr(state)).attr('class', 'bi-admin-icon-' + $(this._statusClass).attr(state));
      }
    }
  });
  return SchemaListView;
});