import { describe, beforeEach, it, sinon, expect, angularMocks } from 'test/lib/common';
import helpers from 'test/specs/helpers';
import { OpenTsQueryCtrl } from '../query_ctrl';

describe('OpenTsQueryCtrl', function() {
  var ctx = new helpers.ControllerTestContext();

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(
    angularMocks.module(function($compileProvider) {
      $compileProvider.preAssignBindingsEnabled(true);
    })
  );

  beforeEach(ctx.providePhase(['backendSrv', 'templateSrv']));

  beforeEach(ctx.providePhase());
  beforeEach(
    angularMocks.inject(($rootScope, $controller, $q) => {
      ctx.$q = $q;
      ctx.scope = $rootScope.$new();
      ctx.target = { target: '' };
      ctx.panelCtrl = {
        panel: {
          targets: [ctx.target],
        },
      };
      ctx.panelCtrl.refresh = sinon.spy();
      ctx.datasource.getAggregators = sinon.stub().returns(ctx.$q.when([]));
      ctx.datasource.getFilterTypes = sinon.stub().returns(ctx.$q.when([]));

      ctx.ctrl = $controller(
        OpenTsQueryCtrl,
        { $scope: ctx.scope },
        {
          panelCtrl: ctx.panelCtrl,
          datasource: ctx.datasource,
          target: ctx.target,
        }
      );
      ctx.scope.$digest();
    })
  );

  describe('init query_ctrl variables', function() {
    it('filter types should be initialized', function() {
      expect(ctx.ctrl.filterTypes.length).to.be(7);
    });

    it('aggregators should be initialized', function() {
      expect(ctx.ctrl.aggregators.length).to.be(8);
    });

    it('fill policy options should be initialized', function() {
      expect(ctx.ctrl.fillPolicies.length).to.be(4);
    });
  });

  describe('when adding filters and tags', function() {
    it('addTagMode should be false when closed', function() {
      ctx.ctrl.addTagMode = true;
      ctx.ctrl.closeAddTagMode();
      expect(ctx.ctrl.addTagMode).to.be(false);
    });

    it('addFilterMode should be false when closed', function() {
      ctx.ctrl.addFilterMode = true;
      ctx.ctrl.closeAddFilterMode();
      expect(ctx.ctrl.addFilterMode).to.be(false);
    });

    it('removing a tag from the tags list', function() {
      ctx.ctrl.target.tags = { tagk: 'tag_key', tagk2: 'tag_value2' };
      ctx.ctrl.removeTag('tagk');
      expect(Object.keys(ctx.ctrl.target.tags).length).to.be(1);
    });

    it('removing a filter from the filters list', function() {
      ctx.ctrl.target.filters = [
        {
          tagk: 'tag_key',
          filter: 'tag_value2',
          type: 'wildcard',
          groupBy: true,
        },
      ];
      ctx.ctrl.removeFilter(0);
      expect(ctx.ctrl.target.filters.length).to.be(0);
    });

    it('adding a filter when tags exist should generate error', function() {
      ctx.ctrl.target.tags = { tagk: 'tag_key', tagk2: 'tag_value2' };
      ctx.ctrl.addFilter();
      expect(ctx.ctrl.errors.filters).to.be(
        'Please remove tags to use filters, tags and filters are mutually exclusive.'
      );
    });

    it('adding a tag when filters exist should generate error', function() {
      ctx.ctrl.target.filters = [
        {
          tagk: 'tag_key',
          filter: 'tag_value2',
          type: 'wildcard',
          groupBy: true,
        },
      ];
      ctx.ctrl.addTag();
      expect(ctx.ctrl.errors.tags).to.be('Please remove filters to use tags, tags and filters are mutually exclusive.');
    });
  });
});
