import { renderToStaticMarkup } from 'react-dom/server';
import { describe, expect, it } from 'vitest';
import { makeSheet } from '../../src/importers/sheet-factory';
import { genericProfile } from '../../src/profiles/generic/generic-profile';
import { summarizeSeverities, toggleSeveritySelection } from '../../src/features/sidebar/SidebarSeverityMetrics';
import { deriveDynamicFacets } from '../../src/features/search-filter/dynamic-facets';
import { compactSeveritySelection, DynamicFilterControls } from '../../src/features/search-filter/DynamicFilterControls';

const rows = [
  ['Title', 'Severity', 'Result'],
  ['Deviation 1', 'Critical', 'Failed'],
  ['Deviation 2', 'HIGH', 'Failed'],
  ['Deviation 3', 'hoch', 'Investigate'],
  ['Passed', 'Medium', 'Passed'],
  ['Deviation 4', 'Low', 'Failed'],
  ['Deviation 5', 'Info', 'Failed'],
  ['Unrated deviation', 'Unrated', 'Failed']
];

function options(statusFilter = 'deviation', facetFilters = {}) {
  return {
    sheet: makeSheet('Synthetic findings', rows, '', 'synthetic.csv'),
    dataset: null,
    activeProfile: genericProfile,
    reviews: {},
    statusFilter,
    facetFilters,
    search: '',
    actionOnly: false
  };
}

describe('sidebar severity metrics', () => {
  it('uses Deviation as the diagram basis and excludes unknown source values', () => {
    const summary = summarizeSeverities(options());
    expect(summary?.metrics.map(metric => [metric.severity, metric.count, metric.percentage])).toEqual([
      ['critical', 1, 20],
      ['high', 2, 40],
      ['medium', 0, 0],
      ['low', 1, 20],
      ['info', 1, 20]
    ]);
    expect(summary?.metrics.map(metric => metric.severity)).not.toContain('unknown');
  });

  it('follows an explicit user status filter without changing it', () => {
    const summary = summarizeSeverities(options('all'));
    expect(summary?.metrics.find(metric => metric.severity === 'medium')).toMatchObject({ count: 1 });
  });

  it('exposes exactly the five known severity filter values', () => {
    const base = options();
    const summary = summarizeSeverities(base);
    if (!summary) throw new Error('Synthetic severity facet missing');
    expect(summary.facetId).toBeTruthy();
    expect(summary.metrics.map(metric => metric.severity)).toEqual([
      'critical', 'high', 'medium', 'low', 'info'
    ]);
  });

  it('toggles multiple severities in canonical display order', () => {
    expect(toggleSeveritySelection([], 'high')).toEqual(['high']);
    expect(toggleSeveritySelection(['high'], 'critical')).toEqual(['critical', 'high']);
    expect(toggleSeveritySelection(['critical', 'high'], 'high')).toEqual(['critical']);
    expect(toggleSeveritySelection(['critical'], 'critical')).toEqual([]);
  });

  it('renders a compact multi-severity label in the filter control', () => {
    const base = options();
    const summary = summarizeSeverities(base);
    if (!summary) throw new Error('Synthetic severity facet missing');
    const severityFacet = deriveDynamicFacets(base.sheet, null, genericProfile, {})
      .find(facet => facet.id === summary.facetId);
    if (!severityFacet) throw new Error('Synthetic severity facet missing');

    const html = renderToStaticMarkup(
      <DynamicFilterControls
        facets={[severityFacet]}
        filters={{
          [summary.facetId]: {
            values: ['info', 'low', 'medium', 'high', 'critical']
          }
        }}
        statusFilter="deviation"
        onStatusFilter={() => undefined}
        onFilter={() => undefined}
      />
    );

    expect(compactSeveritySelection(['info', 'critical', 'medium'])).toBe('Crit-Med-Inf');
    expect(html).toContain('Crit-High-Med-Low-Inf');
    expect(html).toContain('value="__severity_multi__" selected=""');
  });

  it('highlights a status only when it differs from the profile default', () => {
    const base = options();
    const statusFacet = deriveDynamicFacets(base.sheet, null, genericProfile, {})
      .find(facet => facet.source === 'profile-status');
    if (!statusFacet) throw new Error('Synthetic status facet missing');
    const renderStatus = (statusFilter: string) => renderToStaticMarkup(
      <DynamicFilterControls
        facets={[statusFacet]}
        filters={{}}
        statusFilter={statusFilter}
        defaultStatusFilter="deviation"
        onStatusFilter={() => undefined}
        onFilter={() => undefined}
      />
    );

    expect(renderStatus('deviation')).not.toContain('is-filtered');
    expect(renderStatus('all')).toContain('is-filtered');
  });

  it('does not render a rack when the active sheet has no severity field', () => {
    const missing = options();
    missing.sheet = makeSheet('Synthetic findings', [['Title', 'Result'], ['One', 'Failed']], '', 'synthetic.csv');
    expect(summarizeSeverities(missing)).toBeUndefined();
  });
});