describe('Core_paste', () => {
  var id = 'testContainer';

  beforeEach(function() {
    this.$container = $(`<div id="${id}"></div>`).appendTo('body');
  });

  afterEach(function() {
    if (this.$container) {
      destroy();
      this.$container.remove();
    }
  });

  var arrayOfArrays = function() {
    return [
      ['', 'Kia', 'Nissan', 'Toyota', 'Honda'],
      ['2008', 10, 11, 12, 13],
      ['2009', 20, 11, 14, 13],
      ['2010', 30, 15, 12, 13]
    ];
  };

  it('should not create new rows or columns when allowInsertRow and allowInsertColumn equal false', (done) => {
    handsontable({
      data: arrayOfArrays(),
      pasteMode: 'shift_down',
      allowInsertRow: false,
      allowInsertColumn: false
    });

    selectCell(3, 4); // selectAll
    triggerPaste('Kia\tNissan\tToyota');

    setTimeout(() => {
      var expected = arrayOfArrays();
      expected[3][4] = 'Kia';
      expect(getData()).toEqual(expected);
      done();
    }, 60);
  });

  it('should shift data down instead of overwrite when paste (when allowInsertRow = false)', (done) => {
    handsontable({
      data: arrayOfArrays(),
      pasteMode: 'shift_down',
      allowInsertRow: false
    });

    selectCell(1, 0); // selectAll
    triggerPaste('Kia\tNissan\tToyota');

    setTimeout(() => {
      expect(getData().length).toEqual(4);
      expect(getData(0, 0, 2, 4)).toEqual([['', 'Kia', 'Nissan', 'Toyota', 'Honda'], ['Kia', 'Nissan', 'Toyota', 12, 13], ['2008', 10, 11, 14, 13]]);
      done();
    }, 60);
  });

  it('should shift data down instead of overwrite when paste (minSpareRows > 0)', (done) => {
    handsontable({
      data: arrayOfArrays(),
      pasteMode: 'shift_down',
      minSpareRows: 1
    });

    selectCell(1, 0); // selectAll
    triggerPaste('Kia\tNissan\tToyota');

    setTimeout(() => {
      expect(getData().length).toEqual(6);
      expect(getData(0, 0, 2, 4)).toEqual([['', 'Kia', 'Nissan', 'Toyota', 'Honda'], ['Kia', 'Nissan', 'Toyota', 12, 13], ['2008', 10, 11, 14, 13]]);
      done();
    }, 60);
  });

  it('should shift right insert instead of overwrite when paste', (done) => {
    handsontable({
      data: arrayOfArrays(),
      pasteMode: 'shift_right',
      allowInsertColumn: false
    });

    selectCell(1, 0); // selectAll
    triggerPaste('Kia\tNissan\tToyota');

    setTimeout(() => {
      expect(getData()[0].length).toEqual(5);
      expect(getDataAtRow(1)).toEqual(['Kia', 'Nissan', 'Toyota', '2008', 10]);
      done();
    }, 60);
  });

  it('should shift right insert instead of overwrite when paste (minSpareCols > 0)', (done) => {
    handsontable({
      data: arrayOfArrays(),
      pasteMode: 'shift_right',
      minSpareCols: 1
    });

    selectCell(1, 0); // selectAll
    triggerPaste('Kia\tNissan\tToyota');

    setTimeout(() => {
      expect(getData()[0].length).toEqual(9);
      expect(getDataAtRow(1)).toEqual(['Kia', 'Nissan', 'Toyota', '2008', 10, 11, 12, 13, null]);
      done();
    }, 60);
  });

  it('should not throw an error when changes are null in `once` hook', (done) => {
    var errors = 0;

    try {
      handsontable({
        data: arrayOfArrays(),
        afterChange(changes, source) {
          if (source === 'loadData') {
            return;
          }

          loadData(arrayOfArrays());
        }
      });

      selectCell(1, 0); // selectAll
      triggerPaste('Kia\tNissan\tToyota');

    } catch (e) {
      errors++;
    }

    setTimeout(() => {
      expect(errors).toEqual(0);
      done();
    }, 60);
  });

  it('should not paste any data, if no cell is selected', function(done) {

    var hot = handsontable({
      data: Handsontable.helper.createSpreadsheetData(3, 1)
    });

    var copiedData1 = 'foo';
    var copiedData2 = 'bar';

    expect(this.$container.find('tbody tr:eq(0) td:eq(0)').text()).toEqual('A1');
    expect(this.$container.find('tbody tr:eq(1) td:eq(0)').text()).toEqual('A2');
    expect(this.$container.find('tbody tr:eq(2) td:eq(0)').text()).toEqual('A3');

    expect(getSelected()).toBeUndefined();

    hot.copyPaste.triggerPaste($.Event(), copiedData1);

    setTimeout(() => {
      expect(spec().$container.find('tbody tr:eq(0) td:eq(0)').text()).toEqual('A1');
      expect(spec().$container.find('tbody tr:eq(1) td:eq(0)').text()).toEqual('A2');
      expect(spec().$container.find('tbody tr:eq(2) td:eq(0)').text()).toEqual('A3');
    }, 100);

    setTimeout(() => {
      selectCell(1, 0, 2, 0);

      hot.copyPaste.triggerPaste($.Event(), copiedData2);
    }, 200);

    setTimeout(() => {
      expect(spec().$container.find('tbody tr:eq(0) td:eq(0)').text()).toEqual('A1');
      expect(spec().$container.find('tbody tr:eq(1) td:eq(0)').text()).toEqual(copiedData2);
      expect(spec().$container.find('tbody tr:eq(2) td:eq(0)').text()).toEqual(copiedData2);
      done();
    }, 300);
  });

  it('should not paste any data, if no cell is selected (select/deselect cell using mouse)', function(done) {

    var hot = handsontable({
      data: Handsontable.helper.createSpreadsheetData(3, 1)
    });

    var copiedData = 'foo';

    expect(this.$container.find('tbody tr:eq(0) td:eq(0)').text()).toEqual('A1');
    expect(this.$container.find('tbody tr:eq(1) td:eq(0)').text()).toEqual('A2');
    expect(this.$container.find('tbody tr:eq(2) td:eq(0)').text()).toEqual('A3');

    this.$container.find('tbody tr:eq(1) td:eq(0)').simulate('mousedown');
    this.$container.find('tbody tr:eq(1) td:eq(0)').simulate('mouseup');

    expect(getSelected()).toEqual([1, 0, 1, 0]);

    $('html').simulate('mousedown');

    expect(getSelected()).toBeUndefined();

    hot.copyPaste.triggerPaste($.Event(), copiedData);

    setTimeout(() => {
      expect(spec().$container.find('tbody tr:eq(0) td:eq(0)').text()).toEqual('A1');
      expect(spec().$container.find('tbody tr:eq(1) td:eq(0)').text()).toEqual('A2');
      expect(spec().$container.find('tbody tr:eq(2) td:eq(0)').text()).toEqual('A3');
      done();
    }, 100);
  });
});