import "../query_ctrl";
import "app/core/services/segment_srv";
import {
  describe,
  beforeEach,
  it,
  sinon,
  expect,
  angularMocks
} from "test/lib/common";
import helpers from "test/specs/helpers";
import { InfluxQueryCtrl } from "../query_ctrl";

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

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

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

  describe("init", function() {
    it("should init tagSegments", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(1);
    });

    it("should init measurementSegment", function() {
      expect(ctx.ctrl.measurementSegment.value).to.be("select measurement");
    });
  });

  describe("when first tag segment is updated", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
    });

    it("should update tag key", function() {
      expect(ctx.ctrl.target.tags[0].key).to.be("asd");
      expect(ctx.ctrl.tagSegments[0].type).to.be("key");
    });

    it("should add tagSegments", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(3);
    });
  });

  describe("when last tag value segment is updated", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
    });

    it("should update tag value", function() {
      expect(ctx.ctrl.target.tags[0].value).to.be("server1");
    });

    it("should set tag operator", function() {
      expect(ctx.ctrl.target.tags[0].operator).to.be("=");
    });

    it("should add plus button for another filter", function() {
      expect(ctx.ctrl.tagSegments[3].fake).to.be(true);
    });
  });

  describe("when last tag value segment is updated to regex", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "/server.*/", type: "value" }, 2);
    });

    it("should update operator", function() {
      expect(ctx.ctrl.tagSegments[1].value).to.be("=~");
      expect(ctx.ctrl.target.tags[0].operator).to.be("=~");
    });
  });

  describe("when second tag key is added", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated({ value: "key2", type: "plus-button" }, 3);
    });

    it("should update tag key", function() {
      expect(ctx.ctrl.target.tags[1].key).to.be("key2");
    });

    it("should add AND segment", function() {
      expect(ctx.ctrl.tagSegments[3].value).to.be("AND");
    });
  });

  describe("when condition is changed", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated({ value: "key2", type: "plus-button" }, 3);
      ctx.ctrl.tagSegmentUpdated({ value: "OR", type: "condition" }, 3);
    });

    it("should update tag condition", function() {
      expect(ctx.ctrl.target.tags[1].condition).to.be("OR");
    });

    it("should update AND segment", function() {
      expect(ctx.ctrl.tagSegments[3].value).to.be("OR");
      expect(ctx.ctrl.tagSegments.length).to.be(7);
    });
  });

  describe("when deleting first tag filter after value is selected", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated(ctx.ctrl.removeTagFilterSegment, 0);
    });

    it("should remove tags", function() {
      expect(ctx.ctrl.target.tags.length).to.be(0);
    });

    it("should remove all segment after 2 and replace with plus button", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(1);
      expect(ctx.ctrl.tagSegments[0].type).to.be("plus-button");
    });
  });

  describe("when deleting second tag value before second tag value is complete", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated({ value: "key2", type: "plus-button" }, 3);
      ctx.ctrl.tagSegmentUpdated(ctx.ctrl.removeTagFilterSegment, 4);
    });

    it("should remove all segment after 2 and replace with plus button", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(4);
      expect(ctx.ctrl.tagSegments[3].type).to.be("plus-button");
    });
  });

  describe("when deleting second tag value before second tag value is complete", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated({ value: "key2", type: "plus-button" }, 3);
      ctx.ctrl.tagSegmentUpdated(ctx.ctrl.removeTagFilterSegment, 4);
    });

    it("should remove all segment after 2 and replace with plus button", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(4);
      expect(ctx.ctrl.tagSegments[3].type).to.be("plus-button");
    });
  });

  describe("when deleting second tag value after second tag filter is complete", function() {
    beforeEach(function() {
      ctx.ctrl.tagSegmentUpdated({ value: "asd", type: "plus-button" }, 0);
      ctx.ctrl.tagSegmentUpdated({ value: "server1", type: "value" }, 2);
      ctx.ctrl.tagSegmentUpdated({ value: "key2", type: "plus-button" }, 3);
      ctx.ctrl.tagSegmentUpdated({ value: "value", type: "value" }, 6);
      ctx.ctrl.tagSegmentUpdated(ctx.ctrl.removeTagFilterSegment, 4);
    });

    it("should remove all segment after 2 and replace with plus button", function() {
      expect(ctx.ctrl.tagSegments.length).to.be(4);
      expect(ctx.ctrl.tagSegments[3].type).to.be("plus-button");
    });
  });
});