import {enforceActOnUseLegacyStoreHook, mountWithTheme} from 'sentry-test/enzyme';
import {initializeOrg} from 'sentry-test/initializeOrg';
import {render, screen, userEvent} from 'sentry-test/reactTestingLibrary';
import {changeInputValue, openMenu, selectByLabel} from 'sentry-test/select-new';

import TagStore from 'sentry/stores/tagStore';
import ColumnEditModal from 'sentry/views/eventsV2/table/columnEditModal';

const stubEl = props => <div>{props.children}</div>;

function mountModal({columns, onApply, customMeasurements}, initialData) {
  return mountWithTheme(
    <ColumnEditModal
      Header={stubEl}
      Footer={stubEl}
      Body={stubEl}
      organization={initialData.organization}
      columns={columns}
      onApply={onApply}
      closeModal={() => void 0}
      customMeasurements={customMeasurements}
    />,
    initialData.routerContext
  );
}

describe('EventsV2 -> ColumnEditModal', function () {
  enforceActOnUseLegacyStoreHook();

  beforeEach(() => {
    TagStore.reset();
    TagStore.loadTagsSuccess([
      {name: 'browser.name', key: 'browser.name', count: 1},
      {name: 'custom-field', key: 'custom-field', count: 1},
      {name: 'user', key: 'user', count: 1},
    ]);
  });
  const initialData = initializeOrg({
    organization: {
      features: ['performance-view', 'dashboards-mep'],
    },
  });
  const columns = [
    {
      kind: 'field',
      field: 'event.type',
    },
    {
      kind: 'field',
      field: 'browser.name',
    },
    {
      kind: 'function',
      function: ['count', 'id'],
    },
    {
      kind: 'function',
      function: ['count_unique', 'title'],
    },
    {
      kind: 'function',
      function: ['p95', ''],
    },
    {
      kind: 'field',
      field: 'issue.id',
    },
    {
      kind: 'function',
      function: ['count_unique', 'issue.id'],
    },
  ];

  describe('basic rendering', function () {
    const wrapper = mountModal(
      {
        columns,
        onApply: () => void 0,
      },
      initialData
    );

    it('renders fields and basic controls', function () {
      // Should have fields equal to the columns.
      expect(wrapper.find('QueryField')).toHaveLength(columns.length);

      expect(wrapper.find('button[aria-label="Apply"]')).toHaveLength(1);
      expect(wrapper.find('button[aria-label="Add a Column"]')).toHaveLength(1);
    });

    it('renders delete and grab buttons', function () {
      expect(
        wrapper.find('RowContainer button[aria-label="Remove column"]').length
      ).toEqual(columns.length);
      expect(
        wrapper.find('RowContainer button[aria-label="Drag to reorder"]').length
      ).toEqual(columns.length);
    });
  });

  describe('rendering unknown fields', function () {
    const wrapper = mountModal(
      {
        columns: [
          {kind: 'function', function: ['count_unique', 'user-defined']},
          {kind: 'field', field: 'user-def'},
        ],
        onApply: () => void 0,
      },
      initialData
    );

    it('renders unknown fields in field and field parameter controls', function () {
      const funcRow = wrapper.find('QueryField').first();
      expect(
        funcRow.find('SelectControl[name="field"] [data-test-id="label"]').text()
      ).toBe('count_unique(\u2026)');
      expect(
        funcRow
          .find('SelectControl[name="parameter"] SingleValue span[data-test-id="label"]')
          .text()
      ).toBe('user-defined');

      const fieldRow = wrapper.find('QueryField').last();
      expect(
        fieldRow.find('SelectControl[name="field"] span[data-test-id="label"]').text()
      ).toBe('user-def');
      expect(fieldRow.find('SelectControl[name="field"] Tag')).toHaveLength(1);
      expect(fieldRow.find('BlankSpace')).toHaveLength(1);
    });
  });

  describe('rendering tags that overlap fields & functions', function () {
    const wrapper = mountModal(
      {
        columns: [
          {kind: 'field', field: 'tags[project]'},
          {kind: 'field', field: 'tags[count]'},
        ],
        onApply: () => void 0,
      },
      initialData
    );
    beforeEach(() => {
      TagStore.reset();
      TagStore.loadTagsSuccess([
        {name: 'project', key: 'project', count: 1},
        {name: 'count', key: 'count', count: 1},
      ]);
    });

    it('selects tag expressions that overlap fields', function () {
      const funcRow = wrapper.find('QueryField').first();
      expect(
        funcRow.find('SelectControl[name="field"] span[data-test-id="label"]').text()
      ).toBe('project');
      expect(funcRow.find('SelectControl[name="field"] Tag')).toHaveLength(1);
    });

    it('selects tag expressions that overlap functions', function () {
      const funcRow = wrapper.find('QueryField').last();
      expect(
        funcRow.find('SelectControl[name="field"] span[data-test-id="label"]').text()
      ).toBe('count');
      expect(funcRow.find('SelectControl[name="field"] Tag')).toHaveLength(1);
    });
  });

  describe('rendering functions', function () {
    const wrapper = mountModal(
      {
        columns: [
          {kind: 'function', function: ['count', 'id']},
          {kind: 'function', function: ['count_unique', 'title']},
          {kind: 'function', function: ['percentile', 'transaction.duration', '0.66']},
        ],
        onApply: () => void 0,
      },
      initialData
    );

    it('renders three columns when needed', function () {
      const countRow = wrapper.find('QueryField').first();
      // Has a select and 2 disabled inputs
      expect(countRow.find('SelectControl')).toHaveLength(1);
      expect(countRow.find('BlankSpace')).toHaveLength(2);

      const percentileRow = wrapper.find('QueryField').last();
      // two select fields, and one number input.
      expect(percentileRow.find('SelectControl')).toHaveLength(2);
      expect(percentileRow.find('BlankSpace')).toHaveLength(0);
      expect(percentileRow.find('StyledInput[inputMode="numeric"]')).toHaveLength(1);
    });
  });

  describe('function & column selection', function () {
    let onApply, wrapper;
    beforeEach(function () {
      onApply = jest.fn();
      wrapper = mountModal(
        {
          columns: [columns[0]],
          onApply,
        },
        initialData
      );
    });

    it('restricts column choices', function () {
      selectByLabel(wrapper, 'avg(\u2026)', {name: 'field', at: 0, control: true});

      openMenu(wrapper, {name: 'parameter', at: 0, control: true});
      const options = wrapper
        .find('QueryField SelectControl[name="parameter"] Option')
        .map(option => option.props().label);

      expect(options).not.toContain('title');
      expect(options).toContain('transaction.duration');
    });

    it('shows no options for parameterless functions', function () {
      selectByLabel(wrapper, 'last_seen()', {name: 'field', at: 0, control: true});

      expect(wrapper.find('QueryField BlankSpace')).toHaveLength(1);
    });

    it('shows additional inputs for multi-parameter functions', function () {
      selectByLabel(wrapper, 'percentile(\u2026)', {name: 'field', at: 0, control: true});

      // Parameter select should display and use the default value.
      const field = wrapper.find('QueryField SelectControl[name="parameter"]');
      expect(field.find('SingleValue span[data-test-id="label"]').text()).toBe(
        'transaction.duration'
      );

      // Input should show and have default value.
      const refinement = wrapper.find('QueryField input[inputMode="numeric"]');
      expect(refinement.props().value).toBe('0.5');
    });

    it('handles scalar field parameters', function () {
      selectByLabel(wrapper, 'apdex(\u2026)', {name: 'field', at: 0, control: true});

      // Parameter select should display and use the default value.
      const field = wrapper.find('QueryField input[name="refinement"]');
      expect(field.props().value).toBe('300');

      // Trigger a blur and make sure the column is not wrong.
      field.simulate('blur');

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['apdex', '300', undefined, undefined]},
      ]);
    });

    it('handles parameter overrides', function () {
      selectByLabel(wrapper, 'apdex(\u2026)', {name: 'field', at: 0, control: true});

      // Parameter select should display and use the default value.
      const field = wrapper.find('QueryField input[name="refinement"]');
      expect(field.props().value).toBe('300');
      expect(field.prop('placeholder')).toBe(undefined);

      // Trigger a blur and make sure the column is not wrong.
      field.simulate('blur');
    });

    it('clears unused parameters', function () {
      // Choose percentile, then apdex which has fewer parameters and different types.
      selectByLabel(wrapper, 'percentile(\u2026)', {name: 'field', at: 0, control: true});
      selectByLabel(wrapper, 'apdex(\u2026)', {name: 'field', at: 0, control: true});

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['apdex', '300', undefined, undefined]},
      ]);
    });

    it('clears all unused parameters', function () {
      // Choose percentile, then failure_rate which has no parameters.
      selectByLabel(wrapper, 'percentile(\u2026)', {name: 'field', at: 0, control: true});
      selectByLabel(wrapper, 'failure_rate()', {name: 'field', at: 0, control: true});

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['failure_rate', '', undefined, undefined]},
      ]);
    });

    it('clears all unused parameters with count_if to two parameter function', function () {
      // Choose percentile, then failure_rate which has no parameters.
      selectByLabel(wrapper, 'count_if(\u2026)', {name: 'field', at: 0, control: true});
      selectByLabel(wrapper, 'user', {name: 'parameter', at: 0, control: true});
      selectByLabel(wrapper, 'count_miserable(\u2026)', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count_miserable', 'user', '300', undefined]},
      ]);
    });

    it('clears all unused parameters with count_if to one parameter function', function () {
      // Choose percentile, then failure_rate which has no parameters.
      selectByLabel(wrapper, 'count_if(\u2026)', {name: 'field', at: 0, control: true});
      selectByLabel(wrapper, 'user', {name: 'parameter', at: 0, control: true});
      selectByLabel(wrapper, 'count_unique(\u2026)', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count_unique', 'user', undefined, undefined]},
      ]);
    });

    it('clears all unused parameters with count_if to parameterless function', function () {
      // Choose percentile, then failure_rate which has no parameters.
      selectByLabel(wrapper, 'count_if(\u2026)', {name: 'field', at: 0, control: true});
      selectByLabel(wrapper, 'count()', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      wrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count', '', undefined, undefined]},
      ]);
    });

    it('updates equation errors when they change', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'equation',
              field: '1 / 0',
            },
          ],
          onApply,
        },
        initialData
      );
      expect(newWrapper.find('QueryField ArithmeticError')).toHaveLength(1);
      expect(newWrapper.find('QueryField ArithmeticError').prop('title')).toBe(
        'Division by 0 is not allowed'
      );

      const field = newWrapper.find('QueryField input[type="text"]');
      changeInputValue(field, '1+1+1+1+1+1+1+1+1+1+1+1');
      newWrapper.update();
      field.simulate('blur');

      expect(newWrapper.find('QueryField ArithmeticError').prop('title')).toBe(
        'Maximum operators exceeded'
      );
    });

    it('resets required field to previous value if cleared', function () {
      const initialColumnVal = '0.6';
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'function',
              function: [
                'percentile',
                'transaction.duration',
                initialColumnVal,
                undefined,
              ],
            },
          ],
          onApply,
        },
        initialData
      );

      const field = newWrapper.find('QueryField input[name="refinement"]');
      changeInputValue(field, '');
      newWrapper.update();
      field.simulate('blur');

      expect(newWrapper.find('QueryField input[name="refinement"]').prop('value')).toBe(
        initialColumnVal
      );

      newWrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {
          kind: 'function',
          function: ['percentile', 'transaction.duration', initialColumnVal, undefined],
        },
      ]);
    });
  });

  describe('equation automatic update', function () {
    let onApply;
    beforeEach(function () {
      onApply = jest.fn();
    });
    it('update simple equation columns when they change', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'function',
              function: ['count_unique', 'user'],
            },
            {
              kind: 'function',
              function: ['p95', ''],
            },
            {
              kind: 'equation',
              field: '(p95() / count_unique(user)  ) *   100',
            },
          ],
          onApply,
        },
        initialData
      );
      selectByLabel(newWrapper, 'count_if(\u2026)', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      newWrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count_if', 'user', 'equals', '300']},
        {kind: 'function', function: ['p95', '']},
        {kind: 'equation', field: '(p95() / count_if(user,equals,300)  ) *   100'},
      ]);
    });
    it('update equation with repeated columns when they change', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'function',
              function: ['count_unique', 'user'],
            },
            {
              kind: 'equation',
              field:
                'count_unique(user) +  (count_unique(user) - count_unique(user)) * 5',
            },
          ],
          onApply,
        },
        initialData
      );
      selectByLabel(newWrapper, 'count()', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      newWrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count', '', undefined, undefined]},
        {kind: 'equation', field: 'count() +  (count() - count()) * 5'},
      ]);
    });
    it('handles equations with duplicate fields', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'field',
              field: 'spans.db',
            },
            {
              kind: 'field',
              field: 'spans.db',
            },
            {
              kind: 'equation',
              field: 'spans.db - spans.db',
            },
          ],
          onApply,
        },
        initialData
      );
      selectByLabel(newWrapper, 'count()', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      newWrapper.find('Button[priority="primary"]').simulate('click');
      // Because spans.db is still a selected column it isn't swapped
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count', '', undefined, undefined]},
        {kind: 'field', field: 'spans.db'},
        {kind: 'equation', field: 'spans.db - spans.db'},
      ]);
    });
    it('handles equations with duplicate functions', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'function',
              function: ['count', '', undefined, undefined],
            },
            {
              kind: 'function',
              function: ['count', '', undefined, undefined],
            },
            {
              kind: 'equation',
              field: 'count() - count()',
            },
          ],
          onApply,
        },
        initialData
      );
      selectByLabel(newWrapper, 'count_unique(\u2026)', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      newWrapper.find('Button[priority="primary"]').simulate('click');
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count_unique', 'user', undefined, undefined]},
        {kind: 'function', function: ['count', '', undefined, undefined]},
        {kind: 'equation', field: 'count() - count()'},
      ]);
    });
    it('handles incomplete equations', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'function',
              function: ['count', '', undefined, undefined],
            },
            {
              kind: 'equation',
              field: 'count() - count() arst count() ',
            },
          ],
          onApply,
        },
        initialData
      );
      expect(newWrapper.find('QueryField ArithmeticError')).toHaveLength(1);
      selectByLabel(newWrapper, 'count_unique(\u2026)', {
        name: 'field',
        at: 0,
        control: true,
      });

      // Apply the changes so we can see the new columns.
      newWrapper.find('Button[priority="primary"]').simulate('click');
      // With the way the parser works only tokens up to the error will be updated
      expect(onApply).toHaveBeenCalledWith([
        {kind: 'function', function: ['count_unique', 'user', undefined, undefined]},
        {
          kind: 'equation',
          field: 'count_unique(user) - count_unique(user) arst count() ',
        },
      ]);
    });
  });

  describe('adding rows', function () {
    const wrapper = mountModal(
      {
        columns: [columns[0]],
        onApply: () => void 0,
      },
      initialData
    );
    it('allows rows to be added, but only up to 20', function () {
      for (let i = 2; i <= 20; i++) {
        wrapper.find('button[aria-label="Add a Column"]').simulate('click');
        expect(wrapper.find('QueryField')).toHaveLength(i);
      }
      expect(
        wrapper.find('button[aria-label="Add a Column"]').prop('aria-disabled')
      ).toBe(true);
    });
  });

  describe('removing rows', function () {
    const wrapper = mountModal(
      {
        columns: [columns[0], columns[1]],
        onApply: () => void 0,
      },
      initialData
    );
    it('allows rows to be removed, but not the last one', function () {
      expect(wrapper.find('QueryField')).toHaveLength(2);
      wrapper
        .find('RowContainer button[aria-label="Remove column"]')
        .first()
        .simulate('click');

      expect(wrapper.find('QueryField')).toHaveLength(1);

      // Last row cannot be removed or dragged.
      expect(
        wrapper.find('RowContainer button[aria-label="Remove column"]')
      ).toHaveLength(0);
      expect(
        wrapper.find('RowContainer button[aria-label="Drag to reorder"]')
      ).toHaveLength(0);
    });
    it('does not count equations towards the count of rows', function () {
      const newWrapper = mountModal(
        {
          columns: [
            columns[0],
            columns[1],
            {
              kind: 'equation',
              field: '5 + 5',
            },
          ],
          onApply: () => void 0,
        },
        initialData
      );
      expect(newWrapper.find('QueryField')).toHaveLength(3);
      newWrapper
        .find('RowContainer button[aria-label="Remove column"]')
        .first()
        .simulate('click');

      expect(newWrapper.find('QueryField')).toHaveLength(2);

      // Can still remove the equation
      expect(
        newWrapper.find('RowContainer button[aria-label="Remove column"]')
      ).toHaveLength(1);
      // And both are draggable
      expect(
        newWrapper.find('RowContainer button[aria-label="Drag to reorder"]')
      ).toHaveLength(2);
    });
    it('handles equations being deleted', function () {
      const newWrapper = mountModal(
        {
          columns: [
            {
              kind: 'equation',
              field: '1 / 0',
            },
            columns[0],
            columns[1],
          ],
          onApply: () => void 0,
        },
        initialData
      );
      expect(newWrapper.find('QueryField ArithmeticError')).toHaveLength(1);
      expect(newWrapper.find('QueryField')).toHaveLength(3);
      newWrapper
        .find('RowContainer button[aria-label="Remove column"]')
        .first()
        .simulate('click');

      expect(newWrapper.find('QueryField')).toHaveLength(2);

      expect(newWrapper.find('ArithmeticError')).toHaveLength(0);
    });
  });

  describe('apply action', function () {
    const onApply = jest.fn();
    const wrapper = mountModal(
      {
        columns: [columns[0], columns[1]],
        onApply,
      },
      initialData
    );
    it('reflects added and removed columns', function () {
      // Remove a column, then add a blank one an select a value in it.
      wrapper.find('button[aria-label="Remove column"]').first().simulate('click');

      wrapper.find('button[aria-label="Add a Column"]').simulate('click');
      wrapper.update();

      selectByLabel(wrapper, 'title', {name: 'field', at: 1, control: true});

      wrapper.find('button[aria-label="Apply"]').simulate('click');

      expect(onApply).toHaveBeenCalledWith([columns[1], {kind: 'field', field: 'title'}]);
    });
  });

  describe('custom performance metrics', function () {
    it('allows selecting custom performance metrics in dropdown', function () {
      render(
        <ColumnEditModal
          Header={stubEl}
          Footer={stubEl}
          Body={stubEl}
          organization={initialData.organization}
          columns={[columns[0]]}
          onApply={() => undefined}
          closeModal={() => undefined}
          customMeasurements={{
            'measurements.custom.kibibyte': {
              key: 'measurements.custom.kibibyte',
              name: 'measurements.custom.kibibyte',
              functions: ['p99'],
            },
            'measurements.custom.minute': {
              key: 'measurements.custom.minute',
              name: 'measurements.custom.minute',
              functions: ['p99'],
            },
            'measurements.custom.ratio': {
              key: 'measurements.custom.ratio',
              name: 'measurements.custom.ratio',
              functions: ['p99'],
            },
          }}
        />
      );
      expect(screen.getByText('event.type')).toBeInTheDocument();
      userEvent.click(screen.getByText('event.type'));
      userEvent.type(screen.getAllByText('event.type')[0], 'custom');
      expect(screen.getByText('measurements.custom.kibibyte')).toBeInTheDocument();
    });
  });
});