// -- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2013 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
// ++

import {opWorkPackagesModule} from '../../../angular-modules';
import {scopedObservable} from '../../../helpers/angular-rx-utils';
import {
  WorkPackageResource,
  WorkPackageResourceInterface
} from '../../api/api-v3/hal-resources/work-package-resource.service';
import {WorkPackageEditFormController} from '../../wp-edit/wp-edit-form.directive';
import {WorkPackageNotificationService} from '../../wp-edit/wp-notification.service';
import {WorkPackageCacheService} from '../work-package-cache.service';

export class WorkPackageSingleViewController {
  public formCtrl: WorkPackageEditFormController;
  public workPackage: WorkPackageResourceInterface;
  public singleViewWp:any;
  public groupedFields: any[] = [];
  public hideEmptyFields: boolean = true;
  public text: any;
  public scope: any;

  protected firstTimeFocused: boolean = false;

  constructor(protected $scope:ng.IScope,
              protected $stateParams:ng.ui.IStateParamsService,
              protected I18n:op.I18n,
              protected wpCacheService:WorkPackageCacheService,
              protected wpNotificationsService: WorkPackageNotificationService,
              protected TimezoneService:any,
              protected WorkPackagesOverviewService:any,
              protected SingleViewWorkPackage:any) {

    var wpId = this.workPackage ? this.workPackage.id : $stateParams['workPackageId'];

    this.groupedFields = WorkPackagesOverviewService.getGroupedWorkPackageOverviewAttributes();
    this.text = {
      dropFiles: I18n.t('js.label_drop_files'),
      dropFilesHint: I18n.t('js.label_drop_files_hint'),
      fields: {
        description: I18n.t('js.work_packages.properties.description'),
        date: {
          startDate: I18n.t('js.label_no_start_date'),
          dueDate: I18n.t('js.label_no_due_date')
        }
      },
      infoRow: {
        createdBy: I18n.t('js.label_created_by'),
        lastUpdatedOn: I18n.t('js.label_last_updated_on')
      },
    };

    if (this.workPackage) {
      this.init(this.workPackage);
    }

    wpCacheService.loadWorkPackage(wpId).observeOnScope($scope)
      .subscribe((wp:WorkPackageResourceInterface) => this.init(wp));
    $scope.$on('workPackageUpdatedInEditor', () => {
      this.wpNotificationsService.showSave(this.workPackage);
    });
  }

  public shouldHideGroup(group:any) {
    return this.singleViewWp.shouldHideGroup(this.hideEmptyFields, this.groupedFields, group);
  }

  public shouldHideField(field:any) {
    let hideEmpty = this.hideEmptyFields;

    if (this.formCtrl.fields[field]) {
      hideEmpty = !this.formCtrl.fields[field].hasFocus() && this.hideEmptyFields;
    }

    return this.singleViewWp.shouldHideField(field, hideEmpty);
  };

  public setFocus() {
    if (!this.firstTimeFocused) {
      this.firstTimeFocused = true;
      angular.element('.work-packages--details--subject .focus-input').focus();
    }
  }

  public get idLabel() {
    var text;

    if (!(this.workPackage && this.workPackage.type)) {
      return;
    }

    text = this.workPackage.type.name;
    if (!this.workPackage.isNew) {
      text += ' #' + this.workPackage.id;
    }

    return text;
  }

  private init(wp:WorkPackageResourceInterface) {
    this.workPackage = wp;
    this.singleViewWp = new this.SingleViewWorkPackage(wp);

    if (this.workPackage.attachments) {
      this.workPackage.attachments.updateElements();
    }

    this.setFocus();

    var otherGroup: any = _.find(this.groupedFields, {groupName: 'other'});
    otherGroup.attributes = [];

    angular.forEach(this.workPackage.schema, (prop, propName) => {
      if (propName.match(/^customField/)) {
        otherGroup.attributes.push(propName);
      }
    });

    otherGroup.attributes.sort((leftField:any, rightField:any) => {
      var getLabel = (field:any) => this.singleViewWp.getLabel(field);
      var left = getLabel(leftField).toLowerCase();
      var right = getLabel(rightField).toLowerCase();

      return left.localeCompare(right);
    });
  }
}

function wpSingleViewDirective() {

  function wpSingleViewLink(scope:ng.IScope,
                            element:ng.IAugmentedJQuery,
                            attrs:ng.IAttributes,
                            controllers: [WorkPackageEditFormController, WorkPackageSingleViewController]) {

    controllers[1].formCtrl = controllers[0];
  }

  return {
    restrict: 'E',
    templateUrl: '/components/work-packages/wp-single-view/wp-single-view.directive.html',

    scope: {
      workPackage: '=?'
    },

    require: ['^wpEditForm', 'wpSingleView'],
    link: wpSingleViewLink,

    bindToController: true,
    controller: WorkPackageSingleViewController,
    controllerAs: '$ctrl'
  };
}

opWorkPackagesModule.directive('wpSingleView', wpSingleViewDirective);