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

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

import $ from "jquery";
import GraphTooltip from "../graph_tooltip";

var scope = {
  appEvent: sinon.spy(),
  onAppEvent: sinon.spy(),
  ctrl: {}
};

var elem = $("<div></div>");
var dashboard = {};

function describeSharedTooltip(desc, fn) {
  var ctx: any = {};
  ctx.ctrl = scope.ctrl;
  ctx.ctrl.panel = {
    tooltip: {
      shared: true
    },
    legend: {},
    stack: false
  };

  ctx.setup = function(setupFn) {
    ctx.setupFn = setupFn;
  };

  describe(desc, function() {
    beforeEach(function() {
      ctx.setupFn();
      var tooltip = new GraphTooltip(elem, dashboard, scope);
      ctx.results = tooltip.getMultiSeriesPlotHoverInfo(ctx.data, ctx.pos);
    });

    fn(ctx);
  });
}

describe("findHoverIndexFromData", function() {
  var tooltip = new GraphTooltip(elem, dashboard, scope);
  var series = {
    data: [
      [100, 0],
      [101, 0],
      [102, 0],
      [103, 0],
      [104, 0],
      [105, 0],
      [106, 0],
      [107, 0]
    ]
  };

  it("should return 0 if posX out of lower bounds", function() {
    var posX = 99;
    expect(tooltip.findHoverIndexFromData(posX, series)).to.be(0);
  });

  it("should return n - 1 if posX out of upper bounds", function() {
    var posX = 108;
    expect(tooltip.findHoverIndexFromData(posX, series)).to.be(
      series.data.length - 1
    );
  });

  it("should return i if posX in series", function() {
    var posX = 104;
    expect(tooltip.findHoverIndexFromData(posX, series)).to.be(4);
  });

  it("should return i if posX not in series and i + 1 > posX", function() {
    var posX = 104.9;
    expect(tooltip.findHoverIndexFromData(posX, series)).to.be(4);
  });
});

describeSharedTooltip("steppedLine false, stack false", function(ctx) {
  ctx.setup(function() {
    ctx.data = [
      { data: [[10, 15], [12, 20]], lines: {} },
      { data: [[10, 2], [12, 3]], lines: {} }
    ];
    ctx.pos = { x: 11 };
  });

  it("should return 2 series", function() {
    expect(ctx.results.length).to.be(2);
  });

  it("should add time to results array", function() {
    expect(ctx.results.time).to.be(10);
  });

  it("should set value and hoverIndex", function() {
    expect(ctx.results[0].value).to.be(15);
    expect(ctx.results[1].value).to.be(2);
    expect(ctx.results[0].hoverIndex).to.be(0);
  });
});

describeSharedTooltip("one series is hidden", function(ctx) {
  ctx.setup(function() {
    ctx.data = [{ data: [[10, 15], [12, 20]] }, { data: [] }];
    ctx.pos = { x: 11 };
  });
});

describeSharedTooltip(
  "steppedLine false, stack true, individual false",
  function(ctx) {
    ctx.setup(function() {
      ctx.data = [
        {
          data: [[10, 15], [12, 20]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 15], [12, 20]]
          },
          stack: true
        },
        {
          data: [[10, 2], [12, 3]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 2], [12, 3]]
          },
          stack: true
        }
      ];
      ctx.ctrl.panel.stack = true;
      ctx.pos = { x: 11 };
    });

    it("should show stacked value", function() {
      expect(ctx.results[1].value).to.be(17);
    });
  }
);

describeSharedTooltip(
  "steppedLine false, stack true, individual false, series stack false",
  function(ctx) {
    ctx.setup(function() {
      ctx.data = [
        {
          data: [[10, 15], [12, 20]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 15], [12, 20]]
          },
          stack: true
        },
        {
          data: [[10, 2], [12, 3]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 2], [12, 3]]
          },
          stack: false
        }
      ];
      ctx.ctrl.panel.stack = true;
      ctx.pos = { x: 11 };
    });

    it("should not show stacked value", function() {
      expect(ctx.results[1].value).to.be(2);
    });
  }
);

describeSharedTooltip(
  "steppedLine false, stack true, individual true",
  function(ctx) {
    ctx.setup(function() {
      ctx.data = [
        {
          data: [[10, 15], [12, 20]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 15], [12, 20]]
          },
          stack: true
        },
        {
          data: [[10, 2], [12, 3]],
          lines: {},
          datapoints: {
            pointsize: 2,
            points: [[10, 2], [12, 3]]
          },
          stack: false
        }
      ];
      ctx.ctrl.panel.stack = true;
      ctx.ctrl.panel.tooltip.value_type = "individual";
      ctx.pos = { x: 11 };
    });

    it("should not show stacked value", function() {
      expect(ctx.results[1].value).to.be(2);
    });
  }
);