import angular from 'angular';
import config from 'app/core/config';
import moment from 'moment';

export class ShareModalCtrl {
  /** @ngInject */
  constructor($scope, $rootScope, $location, $timeout, timeSrv, templateSrv, linkSrv) {
    $scope.options = {
      forCurrent: true,
      includeTemplateVars: true,
      theme: 'current',
    };
    $scope.editor = { index: $scope.tabIndex || 0 };

    $scope.init = function() {
      $scope.modeSharePanel = $scope.panel ? true : false;

      $scope.tabs = [{ title: 'Link', src: 'shareLink.html' }];

      if ($scope.modeSharePanel) {
        $scope.modalTitle = 'Share Panel';
        $scope.tabs.push({ title: 'Embed', src: 'shareEmbed.html' });
      } else {
        $scope.modalTitle = 'Share';
      }

      if (!$scope.dashboard.meta.isSnapshot) {
        $scope.tabs.push({ title: 'Snapshot', src: 'shareSnapshot.html' });
      }

      if (!$scope.dashboard.meta.isSnapshot && !$scope.modeSharePanel) {
        $scope.tabs.push({ title: 'Export', src: 'shareExport.html' });
      }

      $scope.buildUrl();
    };

    $scope.buildUrl = function() {
      var baseUrl = $location.absUrl();
      var queryStart = baseUrl.indexOf('?');

      if (queryStart !== -1) {
        baseUrl = baseUrl.substring(0, queryStart);
      }

      var params = angular.copy($location.search());

      var range = timeSrv.timeRange();
      params.from = range.from.valueOf();
      params.to = range.to.valueOf();
      params.orgId = config.bootData.user.orgId;

      if ($scope.options.includeTemplateVars) {
        templateSrv.fillVariableValuesForUrl(params);
      }

      if (!$scope.options.forCurrent) {
        delete params.from;
        delete params.to;
      }

      if ($scope.options.theme !== 'current') {
        params.theme = $scope.options.theme;
      }

      if ($scope.modeSharePanel) {
        params.panelId = $scope.panel.id;
        params.fullscreen = true;
      } else {
        delete params.panelId;
        delete params.fullscreen;
      }

      $scope.shareUrl = linkSrv.addParamsToUrl(baseUrl, params);

      var soloUrl = baseUrl.replace(config.appSubUrl + '/dashboard/', config.appSubUrl + '/dashboard-solo/');
      soloUrl = soloUrl.replace(config.appSubUrl + '/d/', config.appSubUrl + '/d-solo/');
      delete params.fullscreen;
      delete params.edit;
      soloUrl = linkSrv.addParamsToUrl(soloUrl, params);

      $scope.iframeHtml = '<iframe src="' + soloUrl + '" width="450" height="200" frameborder="0"></iframe>';

      $scope.imageUrl = soloUrl.replace(
        config.appSubUrl + '/dashboard-solo/',
        config.appSubUrl + '/render/dashboard-solo/'
      );
      $scope.imageUrl = $scope.imageUrl.replace(config.appSubUrl + '/d-solo/', config.appSubUrl + '/render/d-solo/');
      $scope.imageUrl += '&width=1000&height=500' + $scope.getLocalTimeZone();
    };

    // This function will try to return the proper full name of the local timezone
    // Chrome does not handle the timezone offset (but phantomjs does)
    $scope.getLocalTimeZone = function() {
      let utcOffset = '&tz=UTC' + encodeURIComponent(moment().format('Z'));

      // Older browser does not the internationalization API
      if (!(<any>window).Intl) {
        return utcOffset;
      }

      const dateFormat = (<any>window).Intl.DateTimeFormat();
      if (!dateFormat.resolvedOptions) {
        return utcOffset;
      }

      const options = dateFormat.resolvedOptions();
      if (!options.timeZone) {
        return utcOffset;
      }

      return '&tz=' + encodeURIComponent(options.timeZone);
    };

    $scope.getShareUrl = function() {
      return $scope.shareUrl;
    };
  }
}

angular.module('grafana.controllers').controller('ShareModalCtrl', ShareModalCtrl);