/* eslint-disable quotes, jasmine/no-suite-dupes, vars-on-top, no-var */
import { scaleLinear, scaleTime } from 'd3-scale';
import { timeParse } from 'd3-time-format';
import { ContributorsGraph, ContributorsMasterGraph } from '~/graphs/stat_graph_contributors_graph';

const d3 = { scaleLinear, scaleTime, timeParse };

describe("ContributorsGraph", function () {
  describe("#set_x_domain", function () {
    it("set the x_domain", function () {
      ContributorsGraph.set_x_domain(20);
      expect(ContributorsGraph.prototype.x_domain).toEqual(20);
    });
  });

  describe("#set_y_domain", function () {
    it("sets the y_domain", function () {
      ContributorsGraph.set_y_domain([{ commits: 30 }]);
      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30]);
    });
  });

  describe("#init_x_domain", function () {
    it("sets the initial x_domain", function () {
      ContributorsGraph.init_x_domain([{ date: "2013-01-31" }, { date: "2012-01-31" }]);
      expect(ContributorsGraph.prototype.x_domain).toEqual(["2012-01-31", "2013-01-31"]);
    });
  });

  describe("#init_y_domain", function () {
    it("sets the initial y_domain", function () {
      ContributorsGraph.init_y_domain([{ commits: 30 }]);
      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30]);
    });
  });

  describe("#init_domain", function () {
    it("calls init_x_domain and init_y_domain", function () {
      spyOn(ContributorsGraph, "init_x_domain");
      spyOn(ContributorsGraph, "init_y_domain");
      ContributorsGraph.init_domain();
      expect(ContributorsGraph.init_x_domain).toHaveBeenCalled();
      expect(ContributorsGraph.init_y_domain).toHaveBeenCalled();
    });
  });

  describe("#set_dates", function () {
    it("sets the dates", function () {
      ContributorsGraph.set_dates("2013-12-01");
      expect(ContributorsGraph.prototype.dates).toEqual("2013-12-01");
    });
  });

  describe("#set_x_domain", function () {
    it("sets the instance's x domain using the prototype's x_domain", function () {
      ContributorsGraph.prototype.x_domain = 20;
      var instance = new ContributorsGraph();
      instance.x = d3.scaleTime().range([0, 100]).clamp(true);
      spyOn(instance.x, 'domain');
      instance.set_x_domain();
      expect(instance.x.domain).toHaveBeenCalledWith(20);
    });
  });

  describe("#set_y_domain", function () {
    it("sets the instance's y domain using the prototype's y_domain", function () {
      ContributorsGraph.prototype.y_domain = 30;
      var instance = new ContributorsGraph();
      instance.y = d3.scaleLinear().range([100, 0]).nice();
      spyOn(instance.y, 'domain');
      instance.set_y_domain();
      expect(instance.y.domain).toHaveBeenCalledWith(30);
    });
  });

  describe("#set_domain", function () {
    it("calls set_x_domain and set_y_domain", function () {
      var instance = new ContributorsGraph();
      spyOn(instance, 'set_x_domain');
      spyOn(instance, 'set_y_domain');
      instance.set_domain();
      expect(instance.set_x_domain).toHaveBeenCalled();
      expect(instance.set_y_domain).toHaveBeenCalled();
    });
  });

  describe("#set_data", function () {
    it("sets the data", function () {
      var instance = new ContributorsGraph();
      instance.set_data("20");
      expect(instance.data).toEqual("20");
    });
  });
});

describe("ContributorsMasterGraph", function () {
  // TODO: fix or remove
  // describe("#process_dates", function () {
  //   it("gets and parses dates", function () {
  //     var graph = new ContributorsMasterGraph();
  //     var data = 'random data here';
  //     spyOn(graph, 'parse_dates');
  //     spyOn(graph, 'get_dates').andReturn("get");
  //     spyOn(ContributorsGraph,'set_dates').andCallThrough();
  //     graph.process_dates(data);
  //     expect(graph.parse_dates).toHaveBeenCalledWith(data);
  //     expect(graph.get_dates).toHaveBeenCalledWith(data);
  //     expect(ContributorsGraph.set_dates).toHaveBeenCalledWith("get");
  //   });
  // });

  describe("#get_dates", function () {
    it("plucks the date field from data collection", function () {
      var graph = new ContributorsMasterGraph();
      var data = [{ date: "2013-01-01" }, { date: "2012-12-15" }];
      expect(graph.get_dates(data)).toEqual(["2013-01-01", "2012-12-15"]);
    });
  });

  describe("#parse_dates", function () {
    it("parses the dates", function () {
      var graph = new ContributorsMasterGraph();
      var parseDate = d3.timeParse("%Y-%m-%d");
      var data = [{ date: "2013-01-01" }, { date: "2012-12-15" }];
      var correct = [{ date: parseDate(data[0].date) }, { date: parseDate(data[1].date) }];
      graph.parse_dates(data);
      expect(data).toEqual(correct);
    });
  });
});