describe('Walkontable.Selection', function () {
  var $table,
      $container,
      $wrapper,
      debug = false;

  beforeEach(function () {
    $wrapper = $('<div></div>').css({ overflow: 'hidden' });
    $wrapper.width(100).height(200);
    $container = $('<div></div>');
    $table = $('<table></table>'); // create a table that is not attached to document
    $wrapper.append($container);
    $container.append($table);
    $wrapper.appendTo('body');
    createDataArray();
  });

  afterEach(function () {
    if (!debug) {
      $('.wtHolder').remove();
    }
    $wrapper.remove();
  });

  it('should add/remove class to selection when cell is clicked', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        className: 'current'
      })],
      onCellMouseDown: function onCellMouseDown(event, coords, TD) {
        wt.selections.current.clear();
        wt.selections.current.add(coords);
        wt.draw();
      }
    });
    shimSelectionProperties(wt);
    wt.draw();

    var $td1 = $table.find('tbody td:eq(0)');
    var $td2 = $table.find('tbody td:eq(1)');
    $td1.simulate('mousedown');
    expect($td1.hasClass('current')).toEqual(true);

    $td2.simulate('mousedown');
    expect($td1.hasClass('current')).toEqual(false);
    expect($td2.hasClass('current')).toEqual(true);
  });

  it('should add class to selection on all overlays', function () {
    $wrapper.width(300).height(300);

    this.data = createSpreadsheetData(10, 10);

    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        className: 'current'
      }), new Walkontable.Selection({
        className: 'area'
      })],
      fixedColumnsLeft: 2,
      fixedRowsTop: 2
    });
    shimSelectionProperties(wt);

    wt.selections.area.add(new Walkontable.CellCoords(1, 1));
    wt.selections.area.add(new Walkontable.CellCoords(1, 2));
    wt.selections.area.add(new Walkontable.CellCoords(2, 1));
    wt.selections.area.add(new Walkontable.CellCoords(2, 2));

    wt.draw();

    var tds = $wrapper.find('td:contains(B2), td:contains(B3), td:contains(C2), td:contains(C3)');
    expect(tds.length).toBeGreaterThan(4);
    for (var i = 0, ilen = tds.length; i < ilen; i++) {
      expect(tds[i].className).toContain('area');
    }
  });

  it('should not add class to selection until it is rerendered', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        className: 'current'
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();
    wt.selections.current.add(new Walkontable.CellCoords(0, 0));

    var $td1 = $table.find('tbody td:eq(0)');
    expect($td1.hasClass('current')).toEqual(false);

    wt.draw();
    expect($td1.hasClass('current')).toEqual(true);
  });

  it('should add/remove border to selection when cell is clicked', function (done) {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        border: {
          width: 1,
          color: 'red',
          style: 'solid'
        }
      })],
      onCellMouseDown: function onCellMouseDown(event, coords, TD) {
        wt.selections.current.clear();
        wt.selections.current.add(coords);
        wt.draw();
      }
    });
    shimSelectionProperties(wt);
    wt.draw();

    setTimeout(function () {
      var $td1 = $table.find('tbody tr:eq(1) td:eq(0)');
      var $td2 = $table.find('tbody tr:eq(2) td:eq(1)');
      var $top = $(wt.selections.current.getBorder(wt).top); // cheat... get border for ht_master
      $td1.simulate('mousedown');

      var pos1 = $top.position();
      expect(pos1.top).toBeGreaterThan(0);
      expect(pos1.left).toBe(0);

      $td2.simulate('mousedown');
      var pos2 = $top.position();

      expect(pos2.top).toBeGreaterThan(pos1.top);
      expect(pos2.left).toBeGreaterThan(pos1.left);
      done();
    }, 1500);
  });

  it('should add a selection that is outside of the viewport', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        border: {
          width: 1,
          color: 'red',
          style: 'solid'
        }
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add([20, 0]);
    expect(wt.wtTable.getCoords($table.find('tbody tr:first td:first')[0])).toEqual(new Walkontable.CellCoords(0, 0));
  });

  it('should not scroll the viewport after selection is cleared', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        border: {
          width: 1,
          color: 'red',
          style: 'solid'
        }
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(0, 0));
    wt.draw();
    expect(wt.wtTable.getFirstVisibleRow()).toEqual(0);
    wt.scrollVertical(10).draw();
    expect(wt.wtTable.getFirstVisibleRow()).toEqual(10);
    expect(wt.wtTable.getLastVisibleRow()).toBeAroundValue(17);
    wt.selections.current.clear();
    expect(wt.wtTable.getFirstVisibleRow()).toEqual(10);
    expect(wt.wtTable.getLastVisibleRow()).toBeAroundValue(17);
  });

  it('should clear a selection that has more than one cell', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        border: {
          width: 1,
          color: 'red',
          style: 'solid'
        }
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(0, 0));
    wt.selections.current.add(new Walkontable.CellCoords(0, 1));
    wt.selections.current.clear();

    expect(wt.selections.current.cellRange).toEqual(null);
  });

  it('should highlight cells in selected row & column', function () {
    $wrapper.width(300);

    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        highlightRowClassName: 'highlightRow',
        highlightColumnClassName: 'highlightColumn'
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(0, 0));
    wt.selections.current.add(new Walkontable.CellCoords(0, 1));
    wt.draw(true);

    expect($table.find('.highlightRow').length).toEqual(2);
    expect($table.find('.highlightColumn').length).toEqual(wt.wtTable.getRenderedRowsCount() * 2 - 2);
  });

  it('should highlight cells in selected row & column, when same class is shared between 2 selection definitions', function () {
    $wrapper.width(300);

    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        highlightRowClassName: 'highlightRow',
        highlightColumnClassName: 'highlightColumn'
      }), new Walkontable.Selection({
        highlightRowClassName: 'highlightRow',
        highlightColumnClassName: 'highlightColumn'
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(0, 0));
    wt.draw(true);

    expect($table.find('.highlightRow').length).toEqual(3);
    expect($table.find('.highlightColumn').length).toEqual(wt.wtTable.getRenderedRowsCount() - 1);
  });

  it('should remove highlight when selection is deselected', function () {
    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      selections: [new Walkontable.Selection({
        highlightRowClassName: 'highlightRow',
        highlightColumnClassName: 'highlightColumn'
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(0, 0));
    wt.selections.current.add(new Walkontable.CellCoords(0, 1));
    wt.draw();

    wt.selections.current.clear();
    wt.draw();

    expect($table.find('.highlightRow').length).toEqual(0);
    expect($table.find('.highlightColumn').length).toEqual(0);
  });

  it('should add/remove appropriate class to the row/column headers of selected cells', function () {
    $wrapper.width(300);

    var wt = new Walkontable.Core({
      table: $table[0],
      data: getData,
      totalRows: getTotalRows,
      totalColumns: getTotalColumns,
      rowHeaders: [function (row, TH) {
        TH.innerHTML = row + 1;
      }],
      columnHeaders: [function (row, TH) {
        TH.innerHTML = row + 1;
      }],
      selections: [new Walkontable.Selection({
        highlightRowClassName: 'highlightRow',
        highlightColumnClassName: 'highlightColumn'
      })]
    });
    shimSelectionProperties(wt);
    wt.draw();

    wt.selections.current.add(new Walkontable.CellCoords(1, 1));
    wt.selections.current.add(new Walkontable.CellCoords(2, 2));
    wt.draw();

    // left side:
    // -2 -> because one row is partially visible

    // right side:
    // *2 -> because there are 2 columns selected
    // +2 -> because there are the headers
    // -4 -> because 4 cells are selected = there are overlapping highlightRow class
    expect($table.find('.highlightRow').length).toEqual(wt.wtViewport.columnsVisibleCalculator.count * 2 + 2 - 4);
    expect($table.find('.highlightColumn').length - 2).toEqual(wt.wtViewport.rowsVisibleCalculator.count * 2 + 2 - 4);
    expect($table.find('.highlightColumn').length).toEqual(14);
    expect(getTableTopClone().find('.highlightColumn').length).toEqual(2);
    expect(getTableTopClone().find('.highlightRow').length).toEqual(0);
    expect(getTableLeftClone().find('.highlightColumn').length).toEqual(0);
    expect(getTableLeftClone().find('.highlightRow').length).toEqual(2);

    var $colHeaders = $table.find('thead tr:first-child th'),
        $rowHeaders = $table.find('tbody tr th:first-child');

    expect($colHeaders.eq(2).hasClass('highlightColumn')).toBe(true);
    expect($colHeaders.eq(3).hasClass('highlightColumn')).toBe(true);

    expect($rowHeaders.eq(1).hasClass('highlightRow')).toBe(true);
    expect($rowHeaders.eq(2).hasClass('highlightRow')).toBe(true);

    wt.selections.current.clear();
    wt.draw();

    expect($table.find('.highlightRow').length).toEqual(0);
    expect($table.find('.highlightColumn').length).toEqual(0);
    expect(getTableTopClone().find('.highlightColumn').length).toEqual(0);
    expect(getTableTopClone().find('.highlightRow').length).toEqual(0);
    expect(getTableLeftClone().find('.highlightColumn').length).toEqual(0);
    expect(getTableLeftClone().find('.highlightRow').length).toEqual(0);
  });

  describe('replace', function () {
    it('should replace range from property and return true', function () {
      var wt = new Walkontable.Core({
        table: $table[0],
        data: getData,
        totalRows: getTotalRows,
        totalColumns: getTotalColumns,
        selections: [new Walkontable.Selection({
          border: {
            width: 1,
            color: 'red',
            style: 'solid'
          }
        })]
      });
      shimSelectionProperties(wt);
      wt.selections.current.add(new Walkontable.CellCoords(1, 1));
      wt.selections.current.add(new Walkontable.CellCoords(3, 3));
      var result = wt.selections.current.replace(new Walkontable.CellCoords(3, 3), new Walkontable.CellCoords(4, 4));
      expect(result).toBe(true);
      expect(wt.selections.current.getCorners()).toEqual([1, 1, 4, 4]);
    });
  });
});