#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const { readTihaoToken, readEvidenceProviderToken, readSocialAnalysisToken } = require('../mcp/src/core/credentials');
const { resolveTihaoUserInfo } = require('../mcp/src/core/payment-links');
const { redactSecrets } = require('../mcp/src/core/result-envelope');

async function main() {
  const args = parseArgs(process.argv.slice(2));
  const strict = Boolean(args.strict);
  const allowFailure = Boolean(args.allowFailure || args.allowFail);
  const outputRoot = path.resolve(args.output || args.outputRoot || process.env.TIHAO_PREFLIGHT_OUTPUT || path.join(__dirname, '..', 'outputs', `live-preflight-${Date.now()}`));
  fs.mkdirSync(outputRoot, { recursive: true });

  const token = readTihaoToken({});
  const socialAnalysisToken = readSocialAnalysisToken({});
  const evidenceToken = readEvidenceProviderToken({});
  const companyFromEnv = process.env.TIHAO_COMPANY || process.env.VOC_ECOMMERCE_COMPANY || process.env.COMPANY_OBJECT_ID || '';
  const baseUrl = process.env.TIHAO_ECOMMERCE_BASE_URL || 'https://server.fmode.cn/api/voc-e-commerce';
  const referenceBaseUrl = process.env.SOCIAL_ANALYSIS_BASE_URL || process.env.TIHAO_REFERENCE_ENRICHMENT_BASE_URL || '';
  const homepageBaseUrl = process.env.TIHAO_HOMEPAGE_EVIDENCE_BASE_URL || process.env.HOMEPAGE_EVIDENCE_BASE_URL || '';
  const evidenceBaseUrl = process.env.TIHAO_EVIDENCE_BASE_URL || process.env.MULTIMODAL_EVIDENCE_BASE_URL || '';
  const videoBaseUrl = process.env.VIDEO_ANALYSIS_BASE_URL || process.env.DOUBAO_VISION_BASE_URL || '';
  const videoModel = process.env.VIDEO_ANALYSIS_MODEL || process.env.DOUBAO_VISION_MODEL || 'doubao-seed-2-0-pro-260215';

  const checks = [];
  checks.push(check('session-token-present', Boolean(token), '需要 TIHAO_SESSION_TOKEN / VOC_ECOMMERCE_TOKEN / VOC_TOKEN 才能跑真实 live。'));
  checks.push(check('live-base-url-present', Boolean(baseUrl), '需要 live provider base url。'));
  checks.push(check('reference-provider-configured', Boolean(referenceBaseUrl), '未配置参考账号补证 provider；可先跑 brief-only/result-first，但不能证明参考链路真实接入。', 'warn'));
  checks.push(check('homepage-provider-configured', Boolean(homepageBaseUrl), '未配置主页最近内容 provider；主页证据会使用 fallback/已有标签。', 'warn'));
  checks.push(check('evidence-or-video-provider-configured', Boolean(evidenceBaseUrl || videoBaseUrl), '未配置多模态 evidence 或豆包视频分析 provider；不能证明视频证据提升。', 'warn'));
  checks.push(check('video-model-doubao-seed-2-0-pro-260215', !videoBaseUrl || videoModel === 'doubao-seed-2-0-pro-260215', `当前视频模型为 ${videoModel}，用户指定模型应为 doubao-seed-2-0-pro-260215。`));
  checks.push(check('reference-token-present-if-provider', !referenceBaseUrl || Boolean(socialAnalysisToken || token), '参考账号补证 provider 已配置，但没有 VOC_SOCIAL_TOKEN/sessionToken。'));
  checks.push(check('evidence-token-present-if-provider', !evidenceBaseUrl && !videoBaseUrl || Boolean(evidenceToken), '证据/视频 provider 已配置，但没有 TIHAO_EVIDENCE_TOKEN / VIDEO_ANALYSIS_TOKEN / DOUBAO_VISION_TOKEN。'));

  let identity = null;
  if (token) {
    try {
      identity = await resolveTihaoUserInfo(token);
      checks.push(check('parse-user-resolved', Boolean(identity && identity.userId), 'Parse /users/me 未返回可识别用户。'));
    } catch (error) {
      checks.push(check('parse-user-resolved', false, `Parse 用户解析失败：${safeMessage(error)}`));
    }
  }
  const company = companyFromEnv || identity?.companyId || '';
  checks.push(check('company-resolved', Boolean(company), '需要 TIHAO_COMPANY / VOC_ECOMMERCE_COMPANY / COMPANY_OBJECT_ID，或 sessionToken 用户上有 company。'));

  const strictFailures = checks.filter(item => item.status === 'fail');
  const warnings = checks.filter(item => item.status === 'warn');
  const readyForLiveAcceptance = strictFailures.length === 0;
  const readyForVideoAb = readyForLiveAcceptance && Boolean(videoBaseUrl && evidenceToken);
  const summary = {
    generatedAt: new Date().toISOString(),
    readyForLiveAcceptance,
    readyForVideoAb,
    strict,
    allowFailure,
    live: {
      baseUrl,
      tokenPresent: Boolean(token),
      companyResolved: Boolean(company),
      parseUserResolved: Boolean(identity && identity.userId)
    },
    providers: {
      referenceConfigured: Boolean(referenceBaseUrl),
      homepageConfigured: Boolean(homepageBaseUrl),
      evidenceConfigured: Boolean(evidenceBaseUrl),
      videoConfigured: Boolean(videoBaseUrl),
      videoModel
    },
    checks,
    nextActions: buildNextActions({ readyForLiveAcceptance, readyForVideoAb, warnings, strictFailures })
  };

  const summaryPath = path.join(outputRoot, 'live-preflight-summary.json');
  fs.writeFileSync(summaryPath, JSON.stringify(summary, null, 2), 'utf8');

  console.log(JSON.stringify({
    outputRoot,
    readyForLiveAcceptance,
    readyForVideoAb,
    failures: strictFailures.length,
    warnings: warnings.length,
    summary: summaryPath
  }, null, 2));

  if (strict && strictFailures.length && !allowFailure) process.exitCode = 2;
}

function check(name, pass, note, severity = 'fail') {
  return {
    name,
    status: pass ? 'pass' : severity,
    note: pass ? '' : note
  };
}

function buildNextActions({ readyForLiveAcceptance, readyForVideoAb, warnings, strictFailures }) {
  const actions = [];
  if (!readyForLiveAcceptance) {
    actions.push('补齐 Parse sessionToken 和 company 后运行 npm run live:preflight -- --strict。');
  } else {
    actions.push('可运行 npm run live:acceptance 做小规模真实 live 检索。');
  }
  if (!readyForVideoAb) {
    actions.push('补齐视频分析 base URL、模型 doubao-seed-2-0-pro 和运行时 token 后，再运行 npm run acceptance:video-ab。');
  } else {
    actions.push('可运行 npm run acceptance:video-ab 验证视频证据是否提升提号结果。');
  }
  if (warnings.length) actions.push('provider 警告不是发布阻断，但不能据此宣称真实 provider 或视频链路已验证。');
  if (strictFailures.length) actions.push('严格模式下存在 fail 项，不能启动 overnight live 长跑。');
  return actions;
}

function safeMessage(error) {
  return redactSecrets(error && error.message ? error.message : String(error)).slice(0, 160);
}

function parseArgs(argv) {
  const args = {};
  for (let index = 0; index < argv.length; index += 1) {
    const raw = argv[index];
    if (!raw.startsWith('--')) continue;
    const key = raw.slice(2).replace(/-([a-z])/g, (_, char) => char.toUpperCase());
    const next = argv[index + 1];
    if (!next || next.startsWith('--')) args[key] = true;
    else {
      args[key] = next;
      index += 1;
    }
  }
  return args;
}

main().catch(error => {
  console.error(redactSecrets(error && error.stack ? error.stack : String(error)));
  process.exit(1);
});