import type {
  NarrativeQaReport,
  ReleaseGateReport,
  SimulationRunResult,
} from '../../types';

export function buildReleaseGateReport(params: {
  qaReport: NarrativeQaReport | null | undefined;
  simulationResults: SimulationRunResult[];
  unresolvedThreadCount: number;
}) {
  const issueCount = params.qaReport?.issues.length ?? 0;
  const blockingIssues = [
    ...(params.qaReport?.issues.filter((issue) => issue.severity === 'high').map((issue) => issue.summary) ?? []),
    ...(params.unresolvedThreadCount > 5 ? ['活跃线程过多，可能会导致结局收束不稳。'] : []),
  ];
  const status =
    blockingIssues.length > 0
      ? 'block'
      : issueCount > 0
        ? 'warn'
        : 'pass';

  return {
    generatedAt: new Date().toISOString(),
    status,
    summary:
      status === 'pass'
        ? '当前版本通过 narrative release gate。'
        : status === 'warn'
          ? '当前版本可继续观察，但仍有若干 narrative 风险。'
          : '当前版本存在 narrative 阻断问题，不建议发布。',
    blockingIssues,
    simulationCoverage: params.simulationResults.length,
  } satisfies ReleaseGateReport;
}