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

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

import { ThresholdManager } from "../threshold_manager";

describe("ThresholdManager", function() {
  function plotOptionsScenario(desc, func) {
    describe(desc, function() {
      var ctx: any = {
        panel: {
          thresholds: []
        },
        options: {
          grid: { markings: [] }
        },
        panelCtrl: {}
      };

      ctx.setup = function(thresholds) {
        ctx.panel.thresholds = thresholds;
        var manager = new ThresholdManager(ctx.panelCtrl);
        manager.addFlotOptions(ctx.options, ctx.panel);
      };

      func(ctx);
    });
  }

  describe("When creating plot markings", () => {
    plotOptionsScenario("for simple gt threshold", ctx => {
      ctx.setup([
        { op: "gt", value: 300, fill: true, line: true, colorMode: "critical" }
      ]);

      it("should add fill for threshold with fill: true", function() {
        var markings = ctx.options.grid.markings;

        expect(markings[0].yaxis.from).to.be(300);
        expect(markings[0].yaxis.to).to.be(Infinity);
        expect(markings[0].color).to.be("rgba(234, 112, 112, 0.12)");
      });

      it("should add line", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[1].yaxis.from).to.be(300);
        expect(markings[1].yaxis.to).to.be(300);
        expect(markings[1].color).to.be("rgba(237, 46, 24, 0.60)");
      });
    });

    plotOptionsScenario("for two gt thresholds", ctx => {
      ctx.setup([
        { op: "gt", value: 200, fill: true, colorMode: "warning" },
        { op: "gt", value: 300, fill: true, colorMode: "critical" }
      ]);

      it("should add fill for first thresholds to next threshold", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[0].yaxis.from).to.be(200);
        expect(markings[0].yaxis.to).to.be(300);
      });

      it("should add fill for last thresholds to infinity", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[1].yaxis.from).to.be(300);
        expect(markings[1].yaxis.to).to.be(Infinity);
      });
    });

    plotOptionsScenario("for lt then gt threshold (inside)", ctx => {
      ctx.setup([
        { op: "lt", value: 300, fill: true, colorMode: "critical" },
        { op: "gt", value: 200, fill: true, colorMode: "critical" }
      ]);

      it("should add fill for first thresholds to next threshold", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[0].yaxis.from).to.be(300);
        expect(markings[0].yaxis.to).to.be(200);
      });

      it("should add fill for last thresholds to itself", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[1].yaxis.from).to.be(200);
        expect(markings[1].yaxis.to).to.be(200);
      });
    });

    plotOptionsScenario("for gt then lt threshold (outside)", ctx => {
      ctx.setup([
        { op: "gt", value: 300, fill: true, colorMode: "critical" },
        { op: "lt", value: 200, fill: true, colorMode: "critical" }
      ]);

      it("should add fill for first thresholds to next threshold", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[0].yaxis.from).to.be(300);
        expect(markings[0].yaxis.to).to.be(Infinity);
      });

      it("should add fill for last thresholds to itself", function() {
        var markings = ctx.options.grid.markings;
        expect(markings[1].yaxis.from).to.be(200);
        expect(markings[1].yaxis.to).to.be(-Infinity);
      });
    });
  });
});