/*
 * Axelor Business Solutions
 *
 * Copyright (C) 2005-2019 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
(function() {

"use strict";

var ui = angular.module('axelor.ui');

PortalCtrl.$inject = ['$scope', '$element'];
function PortalCtrl($scope, $element) {

  var view = $scope._views.portal;
  if (view.items) {
    $scope.$timeout(function () {
      $scope.parse(view);
    });
  } else {
    $scope.loadView('portal', view.name).success(function(fields, schema){
      $scope.parse(schema);
    });
  }

  $scope.$applyAsync(function(){
    if (view.deferred)
      view.deferred.resolve($scope);
  });

  $scope.parse = function(schema) {
  };

  $scope.show = function(promise) {
    $scope.updateRoute();
  };

  $scope.onShow = function() {

  };

  $scope.getContext = function() {
    return _.extend({}, $scope._context);
  };

  $scope.getRouteOptions = function() {
    return {
      mode: 'portal',
      args: []
    };
  };

  $scope.setRouteOptions = function(options) {
    if (!$scope.isNested) {
      $scope.updateRoute();
    }
  };
}

var tmplPortlet =
  '<div ui-view-portlet '+
    'x-action="{{p.action}}" '+
    'x-can-search="{{p.canSearch}}" '+
    'x-col-span="{{p.colSpan}}" '+
    'x-row-span="{{p.rowSpan}}" ' +
    'x-height="{{p.height}}"></div>';

var tmplTabs =
  "<div ui-portal-tabs x-schema='p'></div>";

ui.directive('uiViewPortal', ['$compile', function($compile) {

  return {
    scope: true,
    controller: PortalCtrl,
    link: function(scope, element, attrs) {

      function init() {
        element.sortable({
          handle: ".portlet-header",
          items: "> .portlet, > .portal-tabs",
          forceHelperSize: true,
          forcePlaceholderSizeType: true,
          activate2: function(event, ui) {
            var width = ui.placeholder.width();
            var height = ui.placeholder.height();

            ui.placeholder.width(width - 4);
            ui.placeholder.height(height - 4);

            ui.placeholder.css({
              'left': '2px',
              'top': '2px',
              'margin-right': '4px'
            });
          },
          deactivate: function(event, ui) {
            axelor.$adjustSize();
          }
        });
      }

      scope.parse = function(schema) {
        scope.portletCols = schema.cols || 2;
        scope.portlets = schema.items;

        _.each(scope.portlets, function (item) {
          var tmpl = item.type === 'tabs' ? tmplTabs : tmplPortlet;
          var child = scope.$new();
          child.p = item;

          var elem = $compile(tmpl)(child);

          element.append(elem);
        });

        setTimeout(init);
      };
    },
    replace: true,
    transclude: true,
    template: '<div class="portal" ng-transclude></div>'
  };
}]);

PortletCtrl.$inject = ['$scope', '$element', 'MenuService', 'DataSource', 'ViewService'];
function PortletCtrl($scope, $element, MenuService, DataSource, ViewService) {

  var self = this;

  function init() {

    ui.ViewCtrl.call(self, $scope, DataSource, ViewService);

    $scope.show = function() {

    };

    $scope.onShow = function() {

    };
  }

  $scope.initPortlet = function(action, options) {

    MenuService.action(action, options).success(function(result){
      if (_.isEmpty(result.data)) {
        return;
      }
      var view = result.data[0].view;

      $scope._viewParams = view;
      $scope._viewAction = action;

      init();

      $scope.title = view.title;
      $scope.parsePortlet(view);
    });
  };

  $scope.$on('on:attrs-change:refresh', function(e) {
    e.preventDefault();
    if ($scope.onRefresh) {
      $scope.onRefresh();
    }
  });

  $scope.$on('on:tab-reload', function(e) {
    if ($scope.onRefresh) {
      $scope.onRefresh();
    }
  });
}

function setPortletSize(scope, element, attrs) {
  var cols = scope.portletCols;
  var colSpan = +attrs.colSpan || 1;
  var rowSpan = +attrs.rowSpan || 1;

  var width = 100;
  var height = (+attrs.height || 250) * rowSpan;

  width = (width / cols) * colSpan;

  element.width(width + '%').height(height);
}

ui.directive('uiViewPortlet', ['$compile', function($compile){
  return {
    scope: true,
    controller: PortletCtrl,
    link: function(scope, element, attrs) {

      var lazy = true;
      (function () {
        var counter = 0;
        return function checkLoading() {
          scope.waitForActions(function () {
            if (counter < 10 && element.parent().is(":hidden")) {
              counter++;
              return setTimeout(checkLoading, 100);
            }

            lazy = !element.parent().is(".portal");

            var unwatch = scope.$watch(function portalVisibleWatch() {
              var action = attrs.action;
              if (!action) {
                return;
              }

              if (element.parent().is(":hidden")) {
                lazy = true;
                return;
              }

              unwatch();
              unwatch = null;

              var ctx;
              if (scope.getContext) {
                ctx = scope.getContext();
              }
              scope.initPortlet(action, {
                context: ctx
              });
            });
          });
        };
      })()();

      scope.parsePortlet = _.once(function(view) {

        scope.noFilter = attrs.canSearch != "true";

        var template = $compile($('<div ui-portlet-' + view.viewType + '></div>'))(scope);
        element.find('.portlet-content:first').append(template);

        scope.show();

        if (scope.portletCols) {
          setPortletSize(scope, element, attrs);
        }

        // if lazy, load data
        if (scope.onRefresh && lazy) {
          scope.onRefresh();
        }
      });

      scope.onPortletToggle = function(event) {
        var e = $(event.target);
        e.toggleClass('fa-chevron-up fa-chevron-down');
        element.toggleClass('portlet-minimized');
        if (e.hasClass('fa-chevron-up')) {
          axelor.$adjustSize();
        }
      };

      scope.doNext = function() {
        if (this.canNext()) this.onNext();
      };

      scope.doPrev = function() {
        if (this.canPrev()) this.onPrev();
      };
    },
    replace: true,
    template:
    '<div class="portlet">'+
      '<div class="portlet-body stackbar">'+
        '<div class="portlet-header navbar">'+
          '<div class="navbar-inner">'+
            '<div class="container-fluid">'+
              '<span class="brand" ng-bind-html="title"></span>'+
              '<ul class="nav pull-right">'+
                '<li class="portlet-pager" ng-show="showPager">'+
                  '<span class="portlet-pager-text">{{pagerText()}}</span>'+
                  '<span class="icons-bar">'+
                    '<i ng-click="doPrev()" ng-class="{disabled: !canPrev()}" class="fa fa-step-backward"></i>'+
                    '<i ng-click="doNext()" ng-class="{disabled: !canNext()}" class="fa fa-step-forward"></i>'+
                  '</span>'+
                '</li>'+
                '<li class="divider-vertical"></li>'+
                '<li>'+
                  '<span class="icons-bar">'+
                    '<i title="{{\'Refresh\' | t}}" ng-click="onRefresh()" class="fa fa-refresh"></i>'+
                    '<i title="{{\'Toggle\' | t}}" ng-click="onPortletToggle($event)" class="fa fa-chevron-up"></i>'+
                  '</span>'+
                '</li>'+
              '</ul>'+
            '</div>'+
          '</div>'+
        '</div>'+
        '<div class="portlet-content"></div>'+
      '</div>'+
    '</div>'
  };
}]);

ui.directive('uiPortalTabs',  function() {
  return {
    scope: {
      schema: '='
    },
    replace: true,
    link: function(scope, element, attrs) {

      var schema = scope.schema;

      var first = _.first(schema.tabs);
      if (first) {
        first.active = true;
      }

      scope.tabClick = function (tab) {
        _.each(schema.tabs, function (item) {
          item.active = false;
        });
        tab.active = true;
        axelor.$adjustSize();
      };

      scope.tabs = schema.tabs;
      scope.portletCols = scope.$parent.portletCols;

      setPortletSize(scope, element, {
        colSpan: schema.colSpan,
        rowSpan: schema.rowSpan,
        height: schema.height
      });

      element.height('auto');
    },
    template:
      "<div class='tabbable-tabs portal-tabs'>" +
        "<ul class='nav nav-tabs nav-tabs-scrollable'>" +
          "<li ng-repeat='tab in tabs' ng-class='{active: tab.active}'>" +
            "<a href='' ng-click='tabClick(tab)' >{{tab.title}}</a>" +
          "</li>" +
        "</ul>" +
        "<div class='tab-content portal-tab-content'>" +
          "<div ng-repeat='tab in tabs' ng-class='{active: tab.active}' class='tab-pane'>" +
            "<div ui-portal-tab x-schema='tab'></div>" +
          "</div>" +
        "</div>" +
      "</div>"
  };

});

ui.directive('uiPortalTab', function() {

  return {
    scope: {
      schema: '='
    },
    controller: ['$scope', 'DataSource', 'ViewService', function ($scope, DataSource, ViewService) {

      var view = $scope.schema;
      var params = {
        viewType: 'portal',
        views: [ view ]
      };

      view.type = 'portal';

      $scope._viewParams = params;
      $scope.isNested = true;
      $scope._model = null;

      ui.ViewCtrl.apply(this, arguments);
    }],
    template: "<div ui-view-portal></div>"
  };
});

})();
