import type { TraceReport } from './model';

export function formatReport(report: TraceReport): string {
  const lines = [`覆盖率 ${report.percent}% (${report.covered}/${report.total})`];
  for (const gap of report.gaps) lines.push(`${gap.requirementId}: ${gap.reason}`);
  if (report.orphanCases.length) lines.push(`无效关联: ${report.orphanCases.join(', ')}`);
  if (report.duplicateCases.length) lines.push(`重复用例: ${report.duplicateCases.join(', ')}`);
  return lines.join('\n');
}