(function () {
  'use strict';

  /**
   * MODULE DESCRIPTION:
   *
   * TODO: Write description here. 
   */
  angular.module('portal.dashboard.envBank', ['ui.router'])
          .controller('EnvBankCtrl', EnvBankCtrlController);

  function EnvBankCtrlController($scope, cache, systemStores, systemProvider, uiGridConstants, $timeout, $mdDialog, portalUtils, Constants) {
    
    $scope.envars = [];
    $scope.Constants = Constants;
    $scope.mCache = cache.request([new systemStores.EnvironmentVariables()]).then(function(){
      $scope.envars = $scope.mCache.envvars.data.values;
    });
    
    $scope.envarGrid = {
      data: 'envars',
      paginationPageSizes:  [25, 50, 75, 100, 125, 150, 175, 200],
      paginationPageSize: 25,
      enableHorizontalScrollbar: uiGridConstants.scrollbars.NEVER,
      toggleModifierKeysToMultiSelect : true,
      enableRowHeaderSelection: true,
      enableColumnMenus: true,
      enableGridMenu: true,
      multiSelect: true,
      noUnselect: false,
      onRegisterApi: function (gridApi) {
        gridApi.selection.setModifierKeysToMultiSelect(true);
        $scope.envGridApi = gridApi;
      },
      columnDefs: [
        {field: 'name', displayName: 'Environment Name'},
        {field: 'value', displayName: 'Environment Value'},
      ],
    };

    $scope.$on('$destroy', function () {
      $scope.mCache.unlisten();
    });

    $scope.toggleFiltering = function() {
      $scope.envGridApi.enableFiltering = !$scope.envGridApi.enableFiltering;
      $scope.envGridApi.core.notifyDataChange( uiGridConstants.dataChange.COLUMN );
    };

    var originatorEv;
    $scope.openMenu = function($mdOpenMenu, ev) {
      originatorEv = ev;
      $mdOpenMenu(ev);
    };
    
    $scope.delete = function() {
      var messages = ['Are you sure you want to delete the following environment variables?'];
      
      var selectedEnvVars = $scope.envGridApi.selection.getSelectedRows();
      for (var i = 0; i < selectedEnvVars.length; i++) {
        messages.push(selectedEnvVars[i].name);
      }
      
      portalUtils.confirmBox('deleteEnVars', 'Delete Environment Variables', messages, false, function(value) {
        if (value.confirm) {
          $scope.deleteEnvVars(selectedEnvVars);
        }
      });
    };
    
    $scope.deleteEnvVars = function(selectedEnvVars) {
      systemProvider.deleteEnvVar(selectedEnvVars).then(function() {
        portalUtils.toast('Environment Variables deleted successfully', ['top', 'left'], 2000);
      }).catch(function(err){
        portalUtils.toast('Unable to delete environment variables: ' + err.message, ['top', 'left'], 4000);
      });
    };
    
    $scope.edit = function() {
      $mdDialog.show({
        templateUrl: 'common/partials/add-env/add-env.html',
        controller: 'AddEnvVarCtrl',
        escapeToClose: false,
        locals: {
          modalInstance: {
            header: 'Edit Environment Variables',
            envVars: $scope.envGridApi.selection.getSelectedRows()
          }
        }
      });
    };
    
    $scope.addEnvVar = function() {
      $mdDialog.show({
        templateUrl: 'common/partials/add-env/add-env.html',
        controller: 'AddEnvVarCtrl',
        escapeToClose: false,
        locals: {
          modalInstance: {
            header: 'Add New Environment Variables',
            envVars: []
          }
        }
      });
    };
    
    $scope.selectedCount = function() {
      try {
        return $scope.envGridApi.selection.getSelectedRows().length;
      } catch(err) {
        return 0;
      }
    };
    
  } //end EnvBankCtrlController function

})();