import _ from 'lodash';
import TableModel from 'app/core/table_model';
import { TableRenderer } from '../renderer';
import { ScopedVars, TimeZone } from '@grafana/data';
import { ColumnRender } from '../types';
import { getTheme } from '@grafana/ui';

const utc: TimeZone = 'utc';

const sanitize = (value: any): string => {
  return 'sanitized';
};

const templateSrv = {
  replace: (value: any, scopedVars: ScopedVars) => {
    if (scopedVars) {
      // For testing variables replacement in link
      _.each(scopedVars, (val, key) => {
        value = value.replace('$' + key, val.value);
      });
    }
    return value;
  },
};

describe('when rendering table', () => {
  describe('given 13 columns', () => {
    const table = new TableModel();
    table.columns = [
      { text: 'Time' },
      { text: 'Value' },
      { text: 'Colored' },
      { text: 'Undefined' },
      { text: 'String' },
      { text: 'United', unit: 'bps' },
      { text: 'Sanitized' },
      { text: 'Link' },
      { text: 'Array' },
      { text: 'Mapping' },
      { text: 'RangeMapping' },
      { text: 'MappingColored' },
      { text: 'RangeMappingColored' },
      { text: 'HiddenType' },
      { text: 'RightAligned' },
    ];
    table.rows = [
      [
        1388556366666,
        1230,
        40,
        undefined,
        '',
        '',
        'my.host.com',
        'host1',
        ['value1', 'value2'],
        1,
        2,
        1,
        2,
        'ignored',
        42,
      ],
    ];

    const panel = {
      pageSize: 10,
      styles: [
        {
          pattern: 'Time',
          type: 'date',
          format: 'LLL',
          alias: 'Timestamp',
        },
        {
          pattern: '/(Val)ue/',
          type: 'number',
          unit: 'ms',
          decimals: 3,
          alias: '$1',
        },
        {
          pattern: 'Colored',
          type: 'number',
          unit: 'none',
          decimals: 1,
          colorMode: 'value',
          thresholds: [50, 80],
          colors: ['#00ff00', 'semi-dark-orange', 'rgb(1,0,0)'],
        },
        {
          pattern: 'String',
          type: 'string',
        },
        {
          pattern: 'String',
          type: 'string',
        },
        {
          pattern: 'United',
          type: 'number',
          unit: 'ms',
          decimals: 2,
        },
        {
          pattern: 'Sanitized',
          type: 'string',
          sanitize: true,
        },
        {
          pattern: 'Link',
          type: 'string',
          link: true,
          linkUrl: '/dashboard?param=$__cell&param_1=$__cell_1&param_2=$__cell_2',
          linkTooltip: '$__cell $__cell_1 $__cell_6',
          linkTargetBlank: true,
        },
        {
          pattern: 'Array',
          type: 'number',
          unit: 'ms',
          decimals: 3,
        },
        {
          pattern: 'Mapping',
          type: 'string',
          mappingType: 1,
          valueMaps: [
            {
              value: '1',
              text: 'on',
            },
            {
              value: '0',
              text: 'off',
            },
            {
              value: 'HELLO WORLD',
              text: 'HELLO GRAFANA',
            },
            {
              value: 'value1, value2',
              text: 'value3, value4',
            },
          ],
        },
        {
          pattern: 'RangeMapping',
          type: 'string',
          mappingType: 2,
          rangeMaps: [
            {
              from: '1',
              to: '3',
              text: 'on',
            },
            {
              from: '3',
              to: '6',
              text: 'off',
            },
          ],
        },
        {
          pattern: 'MappingColored',
          type: 'string',
          mappingType: 1,
          valueMaps: [
            {
              value: '1',
              text: 'on',
            },
            {
              value: '0',
              text: 'off',
            },
          ],
          colorMode: 'value',
          thresholds: [1, 2],
          colors: ['#00ff00', 'semi-dark-orange', 'rgb(1,0,0)'],
        },
        {
          pattern: 'RangeMappingColored',
          type: 'string',
          mappingType: 2,
          rangeMaps: [
            {
              from: '1',
              to: '3',
              text: 'on',
            },
            {
              from: '3',
              to: '6',
              text: 'off',
            },
          ],
          colorMode: 'value',
          thresholds: [2, 5],
          colors: ['#00ff00', 'semi-dark-orange', 'rgb(1,0,0)'],
        },
        {
          pattern: 'HiddenType',
          type: 'hidden',
        },
        {
          pattern: 'RightAligned',
          align: 'right',
        },
      ],
    };

    //@ts-ignore
    const renderer = new TableRenderer(panel, table, utc, sanitize, templateSrv, getTheme());

    it('time column should be formatted', () => {
      const html = renderer.renderCell(0, 0, 1388556366666);
      expect(html).toBe('<td>2014-01-01T06:06:06Z</td>');
    });

    it('time column with epoch as string should be formatted', () => {
      const html = renderer.renderCell(0, 0, '1388556366666');
      expect(html).toBe('<td>2014-01-01T06:06:06Z</td>');
    });

    it('time column with RFC2822 date as string should be formatted', () => {
      const html = renderer.renderCell(0, 0, 'Sat, 01 Dec 2018 01:00:00 GMT');
      expect(html).toBe('<td>2018-12-01T01:00:00Z</td>');
    });

    it('time column with ISO date as string should be formatted', () => {
      const html = renderer.renderCell(0, 0, '2018-12-01T01:00:00Z');
      expect(html).toBe('<td>2018-12-01T01:00:00Z</td>');
    });

    it('undefined time column should be rendered as -', () => {
      const html = renderer.renderCell(0, 0, undefined);
      expect(html).toBe('<td>-</td>');
    });

    it('null time column should be rendered as -', () => {
      const html = renderer.renderCell(0, 0, null);
      expect(html).toBe('<td>-</td>');
    });

    it('number column with unit specified should ignore style unit', () => {
      const html = renderer.renderCell(5, 0, 1230);
      expect(html).toBe('<td>1.23 kb/s</td>');
    });

    it('number column should be formated', () => {
      const html = renderer.renderCell(1, 0, 1230);
      expect(html).toBe('<td>1.230 s</td>');
    });

    it('number column should format numeric string values', () => {
      const html = renderer.renderCell(1, 0, '1230');
      expect(html).toBe('<td>1.230 s</td>');
    });

    it('number style should ignore string non-numeric values', () => {
      const html = renderer.renderCell(1, 0, 'asd');
      expect(html).toBe('<td>asd</td>');
    });

    it('colored cell should have style (handles HEX color values)', () => {
      const html = renderer.renderCell(2, 0, 40);
      expect(html).toBe('<td style="color:#00ff00">40.0</td>');
    });

    it('colored cell should have style (handles named color values', () => {
      const html = renderer.renderCell(2, 0, 55);
      expect(html).toBe(`<td style="color:${'#FF780A'}">55.0</td>`);
    });

    it('colored cell should have style handles(rgb color values)', () => {
      const html = renderer.renderCell(2, 0, 85);
      expect(html).toBe('<td style="color:rgb(1,0,0)">85.0</td>');
    });

    it('unformated undefined should be rendered as string', () => {
      const html = renderer.renderCell(3, 0, 'value');
      expect(html).toBe('<td>value</td>');
    });

    it('string style with escape html should return escaped html', () => {
      const html = renderer.renderCell(4, 0, '&breaking <br /> the <br /> row');
      expect(html).toBe('<td>&amp;breaking &lt;br /&gt; the &lt;br /&gt; row</td>');
    });

    it('undefined formater should return escaped html', () => {
      const html = renderer.renderCell(3, 0, '&breaking <br /> the <br /> row');
      expect(html).toBe('<td>&amp;breaking &lt;br /&gt; the &lt;br /&gt; row</td>');
    });

    it('undefined value should render as -', () => {
      const html = renderer.renderCell(3, 0, undefined);
      expect(html).toBe('<td></td>');
    });

    it('sanitized value should render as', () => {
      const html = renderer.renderCell(6, 0, 'text <a href="http://google.com">link</a>');
      expect(html).toBe('<td>sanitized</td>');
    });

    it('Time column title should be Timestamp', () => {
      expect(table.columns[0].title).toBe('Timestamp');
    });

    it('Value column title should be Val', () => {
      expect(table.columns[1].title).toBe('Val');
    });

    it('Colored column title should be Colored', () => {
      expect(table.columns[2].title).toBe('Colored');
    });

    it('link should render as', () => {
      const html = renderer.renderCell(7, 0, 'host1');
      const expectedHtml = `
        <td class="table-panel-cell-link"><a href="/dashboard?param=host1&param_1=1230&param_2=40"
            target="_blank" data-link-tooltip data-original-title="host1 1230 my.host.com"
			data-placement="right">host1</a></td>
      `;
      expect(normalize(html)).toBe(normalize(expectedHtml));
    });

    it('Array column should not use number as formatter', () => {
      const html = renderer.renderCell(8, 0, ['value1', 'value2']);
      expect(html).toBe('<td>value1, value2</td>');
    });

    it('numeric value should be mapped to text', () => {
      const html = renderer.renderCell(9, 0, 1);
      expect(html).toBe('<td>on</td>');
    });

    it('string numeric value should be mapped to text', () => {
      const html = renderer.renderCell(9, 0, '0');
      expect(html).toBe('<td>off</td>');
    });

    it('string value should be mapped to text', () => {
      const html = renderer.renderCell(9, 0, 'HELLO WORLD');
      expect(html).toBe('<td>HELLO GRAFANA</td>');
    });

    it('array column value should be mapped to text', () => {
      const html = renderer.renderCell(9, 0, ['value1', 'value2']);
      expect(html).toBe('<td>value3, value4</td>');
    });

    it('value should be mapped to text (range)', () => {
      const html = renderer.renderCell(10, 0, 2);
      expect(html).toBe('<td>on</td>');
    });

    it('value should be mapped to text (range)', () => {
      const html = renderer.renderCell(10, 0, 5);
      expect(html).toBe('<td>off</td>');
    });

    it('array column value should not be mapped to text', () => {
      const html = renderer.renderCell(10, 0, ['value1', 'value2']);
      expect(html).toBe('<td>value1, value2</td>');
    });

    it('value should be mapped to text and colored cell should have style', () => {
      const html = renderer.renderCell(11, 0, 1);
      expect(html).toBe(`<td style="color:${'#FF780A'}">on</td>`);
    });

    it('value should be mapped to text and colored cell should have style', () => {
      const html = renderer.renderCell(11, 0, '1');
      expect(html).toBe(`<td style="color:${'#FF780A'}">on</td>`);
    });

    it('value should be mapped to text and colored cell should have style', () => {
      const html = renderer.renderCell(11, 0, 0);
      expect(html).toBe('<td style="color:#00ff00">off</td>');
    });

    it('value should be mapped to text and colored cell should have style', () => {
      const html = renderer.renderCell(11, 0, '0');
      expect(html).toBe('<td style="color:#00ff00">off</td>');
    });

    it('value should be mapped to text and colored cell should have style', () => {
      const html = renderer.renderCell(11, 0, '2.1');
      expect(html).toBe('<td style="color:rgb(1,0,0)">2.1</td>');
    });

    it('value should be mapped to text (range) and colored cell should have style', () => {
      const html = renderer.renderCell(12, 0, 0);
      expect(html).toBe('<td style="color:#00ff00">0</td>');
    });

    it('value should be mapped to text (range) and colored cell should have style', () => {
      const html = renderer.renderCell(12, 0, 1);
      expect(html).toBe('<td style="color:#00ff00">on</td>');
    });

    it('value should be mapped to text (range) and colored cell should have style', () => {
      const html = renderer.renderCell(12, 0, 4);
      expect(html).toBe(`<td style="color:${'#FF780A'}">off</td>`);
    });

    it('value should be mapped to text (range) and colored cell should have style', () => {
      const html = renderer.renderCell(12, 0, '7.1');
      expect(html).toBe('<td style="color:rgb(1,0,0)">7.1</td>');
    });

    it('hidden columns should not be rendered', () => {
      const html = renderer.renderCell(13, 0, 'ignored');
      expect(html).toBe('');
    });

    it('right aligned column should have correct text-align style', () => {
      const html = renderer.renderCell(14, 0, 42);
      expect(html).toBe('<td style="text-align:right">42</td>');
    });

    it('render_values should ignore hidden columns', () => {
      renderer.render(0); // this computes the hidden markers on the columns
      const { columns, rows } = renderer.render_values();
      expect(rows).toHaveLength(1);
      expect(columns).toHaveLength(table.columns.length - 1);
      expect(columns.filter((col: ColumnRender) => col.hidden)).toHaveLength(0);
    });
  });
});

describe('when rendering table with different patterns', () => {
  it.each`
    column                 | pattern                        | expected
    ${'Requests (Failed)'} | ${'/Requests \\(Failed\\)/'}   | ${'<td>1.230 s</td>'}
    ${'Requests (Failed)'} | ${'/(Req)uests \\(Failed\\)/'} | ${'<td>1.230 s</td>'}
    ${'Requests (Failed)'} | ${'Requests (Failed)'}         | ${'<td>1.230 s</td>'}
    ${'Requests (Failed)'} | ${'Requests \\(Failed\\)'}     | ${'<td>1.230 s</td>'}
    ${'Requests (Failed)'} | ${'/.*/'}                      | ${'<td>1.230 s</td>'}
    ${'Some other column'} | ${'/.*/'}                      | ${'<td>1.230 s</td>'}
    ${'Requests (Failed)'} | ${'/Requests (Failed)/'}       | ${'<td>1230</td>'}
    ${'Requests (Failed)'} | ${'Response (Failed)'}         | ${'<td>1230</td>'}
  `(
    'number column should be formatted for a column:$column with the pattern:$pattern',
    ({ column, pattern, expected }) => {
      const table = new TableModel();
      table.columns = [{ text: 'Time' }, { text: column }];
      table.rows = [[1388556366666, 1230]];
      const panel = {
        pageSize: 10,
        styles: [
          {
            pattern: 'Time',
            type: 'date',
            format: 'LLL',
            alias: 'Timestamp',
          },
          {
            pattern: pattern,
            type: 'number',
            unit: 'ms',
            decimals: 3,
            alias: pattern,
          },
        ],
      };

      //@ts-ignore
      const renderer = new TableRenderer(panel, table, utc, sanitize, templateSrv, getTheme());
      const html = renderer.renderCell(1, 0, 1230);

      expect(html).toBe(expected);
    }
  );
});

describe('when rendering cells with different alignment options', () => {
  const cases: Array<[string, boolean, string | null, string]> = [
    //align, preserve fmt, color mode, expected
    ['', false, null, '<td>42</td>'],
    ['invalid_option', false, null, '<td>42</td>'],
    ['alert("no xss");', false, null, '<td>42</td>'],
    ['auto', false, null, '<td>42</td>'],
    ['justify', false, null, '<td>42</td>'],
    ['auto', true, null, '<td class="table-panel-cell-pre">42</td>'],
    ['left', false, null, '<td style="text-align:left">42</td>'],
    ['left', true, null, '<td class="table-panel-cell-pre" style="text-align:left">42</td>'],
    ['center', false, null, '<td style="text-align:center">42</td>'],
    [
      'center',
      true,
      'cell',
      '<td class="table-panel-color-cell table-panel-cell-pre" style="background-color:rgba(50, 172, 45, 0.97);text-align:center">42</td>',
    ],
    [
      'right',
      false,
      'cell',
      '<td class="table-panel-color-cell" style="background-color:rgba(50, 172, 45, 0.97);text-align:right">42</td>',
    ],
    [
      'right',
      true,
      'cell',
      '<td class="table-panel-color-cell table-panel-cell-pre" style="background-color:rgba(50, 172, 45, 0.97);text-align:right">42</td>',
    ],
  ];

  it.each(cases)(
    'align option:"%s", preformatted:%s columns should be formatted with correct style',
    (align: string, preserveFormat: boolean, colorMode, expected: string) => {
      const table = new TableModel();
      table.columns = [{ text: 'Time' }, { text: align }];
      table.rows = [[0, 42]];

      const panel = {
        pageSize: 10,
        styles: [
          {
            pattern: 'Time',
            type: 'date',
            format: 'LLL',
            alias: 'Timestamp',
          },
          {
            pattern: `/${align}/`,
            align: align,
            type: 'number',
            unit: 'none',
            preserveFormat: preserveFormat,
            colorMode: colorMode,
            thresholds: [1, 2],
            colors: ['rgba(245, 54, 54, 0.9)', 'rgba(237, 129, 40, 0.89)', 'rgba(50, 172, 45, 0.97)'],
          },
        ],
      };

      //@ts-ignore
      const renderer = new TableRenderer(panel, table, utc, sanitize, templateSrv, getTheme());
      const html = renderer.renderCell(1, 0, 42);

      expect(html).toBe(expected);
    }
  );
});

function normalize(str: string) {
  return str.replace(/\s+/gm, ' ').trim();
}
