define([
  'jquery',
  'slickgrid/slick.grid',
  'sources/selection/range_selection_helper'
], function ($, SlickGrid, RangeSelectionHelper) {
  describe("RangeSelectionHelper utility functions", function () {
    var grid;
    beforeEach(function () {
      var container, data, columns, options;
      container = $("<div></div>");
      container.height(9999);

      columns = [{
        id: '1',
        name: 'some-column-name',
        pos: 0
      }, {
        id: 'second-column-id',
        name: 'second column',
        pos: 1
      }];

      data = [];
      for (var i = 0; i < 10; i++) {
        data.push({'some-column-name': 'some-value-' + i, 'second column': 'second value ' + i});
      }

      grid = new SlickGrid(container, data, columns, options);
      grid.invalidate();
    });

    describe("#getIndexesOfCompleteRows", function () {
      describe("when selected ranges are not rows", function () {
        it("returns an empty array", function () {
          var rowlessRanges = [RangeSelectionHelper.rangeForColumn(grid, 1)];

          expect(RangeSelectionHelper.getIndexesOfCompleteRows(grid, rowlessRanges))
            .toEqual([]);
        });
      });
      describe("when selected range", function () {
        describe("is a single row", function () {
          it("returns an array with one index", function () {
            var singleRowRange = [RangeSelectionHelper.rangeForRow(grid, 1)];

            expect(RangeSelectionHelper.getIndexesOfCompleteRows(grid, singleRowRange))
              .toEqual([1]);
          });
        });

        describe("is multiple rows", function () {
          it("returns an array of each row's index", function () {
            var multipleRowRange = [
              RangeSelectionHelper.rangeForRow(grid, 0),
              RangeSelectionHelper.rangeForRow(grid, 3),
              RangeSelectionHelper.rangeForRow(grid, 2),
            ];

            var indexesOfCompleteRows = RangeSelectionHelper.getIndexesOfCompleteRows(grid, multipleRowRange);
            indexesOfCompleteRows.sort();
            expect(indexesOfCompleteRows).toEqual([0, 2, 3]);
          });
        });

        describe("contains a multi row selection", function () {
          it("returns an array of each individual row's index", function () {
            var multipleRowRange = [
              new Slick.Range(3, 0, 5, 1)
            ];

            var indexesOfCompleteRows = RangeSelectionHelper.getIndexesOfCompleteRows(grid, multipleRowRange);
            indexesOfCompleteRows.sort();
            expect(indexesOfCompleteRows).toEqual([3, 4, 5]);
          });

          describe("and also contains a selection that is not a row", function () {
            it("returns an array of only the complete rows' indexes", function () {
              var multipleRowRange = [
                new Slick.Range(8, 1, 9, 1),
                new Slick.Range(3, 0, 5, 1)
              ];

              var indexesOfCompleteRows = RangeSelectionHelper.getIndexesOfCompleteRows(grid, multipleRowRange);
              indexesOfCompleteRows.sort();
              expect(indexesOfCompleteRows).toEqual([3, 4, 5]);
            });
          });
        });
      });
    });
  });

});