import React from 'react';
import ReactDOM from 'react-dom';
import { mount, shallow } from 'enzyme';
import { SelectableTable, EditableTableCell, EditableTable } from 'mailspring-component-kit';
import { selection, cellProps, tableProps, testDataSource } from '../fixtures/table-data';

describe('EditableTable Components', function describeBlock() {
  describe('EditableTableCell', () => {
    function renderCell(props) {
      // This node is used so that React does not issue DOM tree warnings when running
      // the tests
      const table = document.createElement('table');
      table.innerHTML = '<tbody><tr></tr></tbody>';
      const cellRootNode = table.querySelector('tr');
      return mount(<EditableTableCell {...cellProps} {...props} />, { attachTo: cellRootNode });
    }

    describe('onInputBlur', () => {
      it('should call onCellEdited if value is different from current value', () => {
        const onCellEdited = jasmine.createSpy('onCellEdited');
        const event = {
          target: { value: 'new-val' },
        };
        const cell = renderCell({ onCellEdited, isHeader: false }).instance();
        cell.onInputBlur(event);
        expect(onCellEdited).toHaveBeenCalledWith({
          rowIdx: 0,
          colIdx: 0,
          value: 'new-val',
          isHeader: false,
        });
      });

      it('should not call onCellEdited otherwise', () => {
        const onCellEdited = jasmine.createSpy('onCellEdited');
        const event = {
          target: { value: 1 },
        };
        const cell = renderCell({ onCellEdited }).instance();
        cell.onInputBlur(event);
        expect(onCellEdited).not.toHaveBeenCalled();
      });
    });

    describe('onInputKeyDown', () => {
      it('calls onAddRow if Enter pressed and cell is in last row', () => {
        const onAddRow = jasmine.createSpy('onAddRow');
        const event = {
          key: 'Enter',
          stopPropagation: jasmine.createSpy('stopPropagation'),
        };
        const cell = renderCell({ rowIdx: 2, onAddRow }).instance();
        cell.onInputKeyDown(event);
        expect(event.stopPropagation).toHaveBeenCalled();
        expect(onAddRow).toHaveBeenCalled();
      });

      it('stops event propagation and blurs input if Escape pressed', () => {
        const focusSpy = jasmine.createSpy('focusSpy');
        spyOn(ReactDOM, 'findDOMNode').andReturn({
          focus: focusSpy,
        });
        const event = {
          key: 'Escape',
          stopPropagation: jasmine.createSpy('stopPropagation'),
        };
        const cell = renderCell().instance();
        cell.onInputKeyDown(event);
        expect(event.stopPropagation).toHaveBeenCalled();
        expect(focusSpy).toHaveBeenCalled();
      });
    });

    it('renders a SelectableTableCell with the correct props', () => {
      const cell = renderCell();
      expect(cell.prop('tableDataSource')).toBe(testDataSource);
      expect(cell.prop('selection')).toBe(selection);
      expect(cell.prop('rowIdx')).toBe(0);
      expect(cell.prop('colIdx')).toBe(0);
    });

    it('renders the InputRenderer as the child of the SelectableTableCell with the correct props', () => {
      const InputRenderer = props => <input {...props} />;
      const inputProps = { p1: 'p1' };
      const input = renderCell({
        rowIdx: 2,
        colIdx: 2,
        inputProps,
        InputRenderer,
      }).find(InputRenderer);
      expect(input.type()).toBe(InputRenderer);
      expect(input.prop('rowIdx')).toBe(2);
      expect(input.prop('colIdx')).toBe(2);
      expect(input.prop('p1')).toBe('p1');
      expect(input.prop('defaultValue')).toBe(9);
      expect(input.prop('tableDataSource')).toBe(testDataSource);
    });
  });

  describe('EditableTable', () => {
    function renderTable(props) {
      return shallow(<EditableTable {...tableProps} {...props} />);
    }

    it('renders column buttons if onAddColumn and onRemoveColumn are provided', () => {
      const onAddColumn = () => {};
      const onRemoveColumn = () => {};
      const table = renderTable({ onAddColumn, onRemoveColumn });
      expect(table.hasClass('editable-table-container')).toBe(true);
      expect(table.find('.btn').length).toBe(2);
    });

    it('renders only a SelectableTable if column callbacks are not provided', () => {
      const table = renderTable();
      expect(table.find('.btn').length).toBe(0);
    });

    it('renders with the correct props', () => {
      const onAddRow = () => {};
      const onCellEdited = () => {};
      const inputProps = {};
      const InputRenderer = () => <input />;
      const other = 'other';
      const table = renderTable({
        onAddRow,
        onCellEdited,
        inputProps,
        InputRenderer,
        other,
      }).find(SelectableTable);
      expect(table.prop('extraProps').onAddRow).toBe(onAddRow);
      expect(table.prop('extraProps').onCellEdited).toBe(onCellEdited);
      expect(table.prop('extraProps').inputProps).toBe(inputProps);
      expect(table.prop('extraProps').InputRenderer).toBe(InputRenderer);
      expect(table.prop('other')).toEqual('other');
      expect(table.prop('CellRenderer')).toBe(EditableTableCell);
      expect(table.hasClass('editable-table')).toBe(true);
    });
  });
});