import type { AuditVerdict, DriftSeverity } from '../../services/audit/types';

export interface SeverityVisual {
  icon: string;
  color: 'red' | 'yellow' | 'green' | 'gray';
  label: string;
}

export const SEVERITY_VISUALS: Record<DriftSeverity, SeverityVisual> = {
  blocked: { icon: '×', color: 'red', label: 'BLOCKED' },
  // Deliberately NOT green and NOT gray. An unmeasured check is not a pass and
  // is not a reminder — it is a hole in what celilo knows.
  unmeasured: { icon: '?', color: 'yellow', label: 'UNMEASURED' },
  drift: { icon: '▲', color: 'yellow', label: 'DRIFT' },
  todo: { icon: '➤', color: 'gray', label: 'TODO' },
};

export const VERDICT_VISUALS: Record<AuditVerdict, SeverityVisual> = {
  BLOCKED: { icon: '×', color: 'red', label: 'BLOCKED' },
  UNKNOWN: { icon: '?', color: 'yellow', label: 'UNKNOWN' },
  DRIFT: { icon: '▲', color: 'yellow', label: 'DRIFT' },
  READY: { icon: '✓', color: 'green', label: 'READY' },
};

// Lower rank = higher priority (sorts first when listing). todo is
// the lowest priority — operators can scan past them when triaging
// what actually needs attention.
export function severityRank(s: DriftSeverity): number {
  if (s === 'blocked') return 0;
  // Above drift, for the same reason UNKNOWN outranks DRIFT: you cannot act on
  // a diff you are not sure you have.
  if (s === 'unmeasured') return 1;
  if (s === 'drift') return 2;
  return 3; // todo
}