///<reference path="../../../../headers/common.d.ts" />

import {
  describe,
  beforeEach,
  it,
  expect,
  angularMocks
} from "../../../../../test/lib/common";

import moment from "moment";
import { GraphCtrl } from "../module";
import helpers from "../../../../../test/specs/helpers";

describe("GraphCtrl", function() {
  var ctx = new helpers.ControllerTestContext();

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

  beforeEach(ctx.providePhase());
  beforeEach(ctx.createPanelController(GraphCtrl));
  beforeEach(() => {
    ctx.ctrl.annotationsPromise = Promise.resolve({});
    ctx.ctrl.updateTimeRange();
  });

  describe("when time series are outside range", function() {
    beforeEach(function() {
      var data = [
        {
          target: "test.cpu1",
          datapoints: [[45, 1234567890], [60, 1234567899]]
        }
      ];

      ctx.ctrl.range = { from: moment().valueOf(), to: moment().valueOf() };
      ctx.ctrl.onDataReceived(data);
    });

    it("should set datapointsOutside", function() {
      expect(ctx.ctrl.dataWarning.title).to.be(
        "Data points outside time range"
      );
    });
  });

  describe("when time series are inside range", function() {
    beforeEach(function() {
      var range = {
        from: moment()
          .subtract(1, "days")
          .valueOf(),
        to: moment().valueOf()
      };

      var data = [
        {
          target: "test.cpu1",
          datapoints: [[45, range.from + 1000], [60, range.from + 10000]]
        }
      ];

      ctx.ctrl.range = range;
      ctx.ctrl.onDataReceived(data);
    });

    it("should set datapointsOutside", function() {
      expect(ctx.ctrl.dataWarning).to.be(null);
    });
  });

  describe("datapointsCount given 2 series", function() {
    beforeEach(function() {
      var data = [
        { target: "test.cpu1", datapoints: [] },
        { target: "test.cpu2", datapoints: [] }
      ];
      ctx.ctrl.onDataReceived(data);
    });

    it("should set datapointsCount warning", function() {
      expect(ctx.ctrl.dataWarning.title).to.be("No data points");
    });
  });
});