import assert from 'node:assert/strict';
import test from 'node:test';
import {
  applyAgentOrchestrationToUserMessage,
  buildRouterContext,
  buildAgentOrchestrationAgentText,
  buildRouterNormalizedDecision,
  CHAT_INTENT_ROUTE,
  classifyWithRules,
  coercePageDataSkill,
  coercePageGenerationSkill,
  createChatIntentRouter,
  createManagedChatIntentRouter,
  isNormalizedRouterDecisionEnabled,
  isNormalizedRouterDecisionShadow,
  resolveGatewayAgentSessionId,
  resolveLegacyRouteFromClassification,
  resolveNormalizedRouterDecisionMode,
  logRouterDecisionShadow,
  ROUTER_DECISION_ROUTE,
  ROUTER_DECISION_MODE,
  ROUTER_DECISION_SESSION_HINT,
  isRealtimeInfoQuestion,
  isRichChannelPageIntent,
  isRichPublishableContentIntent,
  coerceRealtimeWebSkill,
  resolveChatIntentRouterPolicy,
} from './chat-intent-router.mjs';

test('classifyWithRules routes greetings to direct chat', () => {
  const result = classifyWithRules({
    text: '你好',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你好' }],
      metadata: { displayText: '你好' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.equal(result.source, 'rule');
});

test('classifyWithRules routes page generation to agent orchestration', () => {
  const result = classifyWithRules({
    text: '帮我做一个秋夜诗的 H5 页面',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我做一个秋夜诗的 H5 页面' }],
      metadata: { displayText: '帮我做一个秋夜诗的 H5 页面' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'static-page-publish');
});

test('classifyWithRules routes page data collection to page-data-collect', () => {
  const text = '帮我在页面增加调查问卷，密码 888 后台查看每个用户提交记录，要用 sqlite';
  const result = classifyWithRules({
    text,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'page-data-collect');
});

test('classifyWithRules routes ordinary household ledger language to page-data-collect', () => {
  const text = '帮我做一个家庭记账页面，我每天可以记录日期、收入、支出、分类和备注，日期默认当天。再做一个管理页面，可以查看所有记录和收支汇总。';
  const result = classifyWithRules({
    text,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'page-data-collect');
});

test('classifyWithRules routes implicit sticky-note timeline apps to page-data-collect', () => {
  const text = '帮我设计一个便签提醒，可以写便签提交，时间轴来显示';
  const result = classifyWithRules({
    text,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'page-data-collect');
});

test('coercePageDataSkill overrides static-page-publish when data intent is present', () => {
  const text = '帮我在这个页面增加调查问卷，密码 888 查看提交记录';
  const coerced = coercePageDataSkill(
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      suggestedSkill: 'static-page-publish',
      reason: '明确需要生成或发布页面/文件',
      agentBrief: '生成页面',
    },
    text,
    { grantedSkills: ['page-data-collect', 'static-page-publish'] },
  );
  assert.equal(coerced.suggestedSkill, 'page-data-collect');
  assert.match(coerced.reason, /页面数据交互意图/);
});

test('coercePageGenerationSkill skips when page data intent is present', () => {
  const text = '帮我在页面增加调查问卷和后台入口';
  const coerced = coercePageGenerationSkill(
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      suggestedSkill: null,
      reason: '任务编排',
      agentBrief: '',
    },
    text,
    { grantedSkills: ['static-page-publish', 'page-data-collect'] },
  );
  assert.notEqual(coerced.suggestedSkill, 'static-page-publish');
});

test('classifyWithRules routes implicit travel guide page requests to static-page-publish', () => {
  const result = classifyWithRules({
    text: '苏州攻略页面',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '苏州攻略页面' }],
      metadata: { displayText: '苏州攻略页面' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'static-page-publish');
  assert.match(result.agentBrief, /不要停在追问/);
});

test('coercePageGenerationSkill replaces product-campaign-page for content pages', () => {
  const coerced = coercePageGenerationSkill(
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      suggestedSkill: 'product-campaign-page',
      reason: '模型路由判定',
      agentBrief: '',
      confidence: 0.9,
      source: 'llm',
    },
    '苏州攻略页面',
    { grantedSkills: ['static-page-publish', 'product-campaign-page'] },
  );
  assert.equal(coerced.suggestedSkill, 'static-page-publish');
  assert.match(coerced.reason, /static-page-publish/);
});

test('classifyWithRules routes themed article requests to agent orchestration', () => {
  const result = classifyWithRules({
    text: '帮我写个主题文章',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我写个主题文章' }],
      metadata: { displayText: '帮我写个主题文章' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'static-page-publish');
});

test('classifyWithRules routes rich service account content to static-page-publish', () => {
  const text = `以下是今天（2026年7月7日，星期二）国际上的主要热点新闻：

🌍 地缘政治与安全
- 霍尔木兹海峡油轮遇袭。
- 伊朗最高领袖哈梅内伊葬礼。
- 中国核潜艇在南太平洋试射远程导弹。
- 俄罗斯空袭基辅。

🇺🇸 美国
- Charlie Kirk 遇刺案预审听证。
- 特朗普财务披露。
- 最高法院允许德州实施应用商店年龄验证法。

⚽ 体育
- 2026世界杯，比利时4-1淘汰美国，西班牙1-0绝杀葡萄牙。

🎤 娱乐
- Taylor Swift 与 Travis Kelce 在麦迪逊广场花园举行婚礼。

📉 财经
- 道指首次突破53,000点，AI 芯片热潮推动股市新高。
- Samsung Q2 利润飙升1,800%。

🌡️ 其他
- 新泽西高温致至少25人死亡。
- 古巴全国大停电。

请整理给服务号用户阅读。`;
  const result = classifyWithRules({
    text,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(isRichChannelPageIntent(text), true);
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'static-page-publish');
  assert.match(result.reason, /结构化长内容/);
});

test('isRichChannelPageIntent does not route short service account copy to page', () => {
  assert.equal(isRichChannelPageIntent('请整理给服务号用户阅读：今天 AI 新闻有哪些？'), false);
});

test('classifyWithRules prefers pages for rich structured content meant for readers', () => {
  const text = `下面是活动资料，请整理成适合用户阅读和转发的内容：

活动概览
- 名称：城市夜跑季
- 时间：7月12日到7月20日
- 地点：滨江步道、中央公园、城市广场

亮点介绍
- 三条不同难度路线，适合亲子、入门和进阶跑者
- 每晚有补给站、音乐打卡点和城市灯光秀
- 完赛可领取电子证书和联名纪念徽章

报名信息
- 早鸟票 39 元
- 标准票 59 元
- 团队票 5 人起享 8 折

注意事项
- 需提前 30 分钟签到
- 建议穿反光装备
- 遇强降雨活动顺延

传播重点
- 强调轻松参与、城市夜景和朋友一起完成
- 内容需要清晰、有层次，适合用户直接阅读。`;
  const result = classifyWithRules({
    text,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(isRichPublishableContentIntent(text), true);
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'static-page-publish');
});

test('isRichPublishableContentIntent keeps plain long summaries out of page fast path', () => {
  const text = `请总结以下会议纪要：

产品进展
- 首页完成第一版视觉调整
- 登录链路还需要补充错误提示
- 分享页需要统一按钮文案

技术进展
- 后端接口完成基础联调
- 前端状态管理仍有重复请求
- 缓存策略需要继续评估

风险
- 设计稿还没有最终确认
- 部分接口缺少压测数据
- 发布窗口需要和运营确认

下一步
- 明天上午确认视觉改动
- 下午完成联调复测
- 周五前整理发布清单`;
  assert.equal(isRichPublishableContentIntent(text), false);
});

test('classifyWithRules honors forceDeepReasoning bypass', () => {
  const result = classifyWithRules({
    text: '你好',
    forceDeepReasoning: true,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你好' }],
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.match(result.reason, /深度推理/);
});

test('classifyWithRules keeps agent session continuation even when llm router flag is true', () => {
  const continued = classifyWithRules({
    text: '可以',
    sessionId: '20260708_64',
    sessionMessageCount: 4,
    llmRouterEnabled: true,
  });
  assert.equal(continued.route, CHAT_INTENT_ROUTE.AGENT);
  assert.match(continued.reason, /Agent 会话确认|延续已有 Agent 会话/);
});

test('classifyWithRules keeps empty pre-created sessions eligible for llm routing', () => {
  const continued = classifyWithRules({
    text: '继续聊聊',
    sessionId: '20260704_2',
    sessionMessageCount: 2,
  });
  assert.equal(continued.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(continued.reason, '延续已有 Agent 会话');

  const fresh = classifyWithRules({
    text: '我是 John，你对我的记忆知道多少？',
    sessionId: '20260704_3',
    sessionMessageCount: 0,
  });
  assert.equal(fresh.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.match(fresh.reason, /记忆/);
});

test('classifyWithRules keeps memory recall on agent when session already active', () => {
  const result = classifyWithRules({
    text: '你记得我说想去哪儿吗',
    sessionId: '20260704_9',
    sessionMessageCount: 4,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你记得我说想去哪儿吗' }],
      metadata: { displayText: '你记得我说想去哪儿吗' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.match(result.reason, /延续已有 Agent 会话/);
});

test('classifyWithRules bypasses llm router when user selected summarize skill', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls.push(1);
        return { ok: true, reply: '{"route":"direct_chat","confidence":0.9,"reason":"x"}' };
      },
    },
    memoryV2: {
      async resolve() {
        assert.fail('memory resolve should not run for explicit skill selection');
      },
    },
  });

  const prompt = '请总结以下内容，提炼核心结论、重点信息和可执行建议（条理清晰、中文输出）：';
  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: `${prompt}这是待总结的正文` }],
      metadata: {
        displayText: `${prompt}这是待总结的正文`,
        memindRun: { selectedChatSkill: 'summarize' },
      },
    },
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'rule');
  assert.equal(result.reason, '用户已选择 skill');
  assert.equal(llmCalls.length, 0);
});

test('classifyWithRules bypasses llm router for explicit web skill prompt', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls.push(1);
        return { ok: true, reply: '{"route":"direct_chat","confidence":0.9,"reason":"x"}' };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{
        type: 'text',
        text: '请使用 web 技能：帮我搜索并查阅相关资料（优先官方文档），并给出中文摘要与来源链接。我的问题是：今天 AI 新闻',
      }],
      metadata: { displayText: '今天 AI 新闻' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'web');
  assert.equal(llmCalls.length, 0);
});

test('createChatIntentRouter keeps continued sessions on agent without llm router', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    modelProviderKeyId: 'key-router',
    model: 'deepseek-chat',
    llmProviderService: {
      async createChatCompletion(payload) {
        llmCalls.push(payload);
        return { ok: false, message: 'router disabled' };
      },
    },
    memoryV2: {
      async resolve() {
        return { source: 'legacy-conversation-memory', memories: [{ label: 'goal', text: '用户想去日本旅游' }] };
      },
    },
  });

  const result = await router.classify({
    userId: 'user-john',
    sessionId: '20260704_10',
    sessionMessageCount: 2,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '我想去日本玩' }],
      metadata: { displayText: '我想去日本玩' },
    },
  });

  assert.equal(llmCalls.length, 0);
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'rule');
  assert.match(result.reason, /延续已有 Agent 会话/);
});

test('createChatIntentRouter uses agent fallback for general conversational analysis (skill-only)', async () => {
  const llmCalls = [];
  const resolveCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    modelProviderKeyId: 'key-router',
    model: 'deepseek-chat',
    llmProviderService: {
      async createChatCompletion({ messages, providerKeyId, model, temperature }) {
        llmCalls.push({ messages, providerKeyId, model, temperature });
        return { ok: false, message: 'router disabled' };
      },
    },
    memoryV2: {
      async resolve(input) {
        resolveCalls.push(input);
        return {
          source: 'pgvector',
          memories: [{ label: 'preference', text: '用户偏好简洁回答，不喜欢冗长铺垫' }],
          activeGoals: ['完善春季促销活动页'],
        };
      },
    },
  });

  const result = await router.classify({
    userId: 'user-1',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: 'React 19 有哪些新特性？' }],
      metadata: { displayText: 'React 19 有哪些新特性？' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
  assert.equal(resolveCalls.length, 0);
  assert.equal(llmCalls.length, 0);
});

test('createChatIntentRouter routes memory recall through rules on fresh session', async () => {
  const resolveCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        return { ok: false, message: 'router disabled' };
      },
    },
    memoryV2: {
      async resolve(input) {
        resolveCalls.push(input);
        return {
          source: 'pgvector',
          memories: [{ label: 'goal', text: '用户想去日本旅游' }],
        };
      },
    },
  });

  const result = await router.classify({
    userId: 'user-john',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你记得我说想去哪儿吗？' }],
      metadata: { displayText: '你记得我说想去哪儿吗？' },
    },
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.equal(result.source, 'rule');
  assert.equal(resolveCalls.length, 0);
});

test('buildRouterContext trims rich Memory V2 resolve payload for routing', () => {
  const context = buildRouterContext({
    source: 'letta',
    memories: [
      { label: 'preference', text: '用户偏好简洁回答，不喜欢冗长铺垫，尤其在工程排障时希望先给结论。' },
      { label: 'habit', text: '用户经常要求生成 H5 活动页并发布到 MindSpace。' },
    ],
    semanticMemories: ['上次正在修改活动页标题样式'],
    behaviorSummary: '用户倾向先本地验证，再决定是否发布生产。额外句子不应进入轻量摘要。',
    activeGoals: ['完善春季促销活动页'],
    profile: { ignored: true },
  });

  assert.equal(context.source, 'letta');
  assert.equal(context.itemsUsed, 5);
  assert.match(context.content, /相关记忆/);
  assert.match(context.content, /行为摘要/);
  assert.match(context.content, /进行中目标/);
  assert.doesNotMatch(context.content, /ignored/);
});

test('createChatIntentRouter routes memory recall through rules when memory resolve fails', async () => {
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        return { ok: false, message: 'router disabled' };
      },
    },
    memoryV2: {
      async resolve() {
        throw new Error('memory down');
      },
    },
    logger: { warn() {} },
  });

  const result = await router.classify({
    userId: 'user-1',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你记得我之前说过什么吗？' }],
      metadata: { displayText: '你记得我之前说过什么吗？' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.equal(result.source, 'rule');
});

test('createManagedChatIntentRouter hot-loads admin config and stays skill-only', async () => {
  const states = [
    {
      fingerprint: 'off',
      overrides: {
        MEMIND_CHAT_LLM_ROUTER_ENABLED: '0',
      },
    },
    {
      fingerprint: 'on',
      overrides: {
        MEMIND_CHAT_LLM_ROUTER_ENABLED: '1',
        MEMIND_CHAT_ROUTER_MODEL_PROVIDER_KEY_ID: 'key-router',
        MEMIND_CHAT_ROUTER_MODEL: 'deepseek-chat',
      },
    },
  ];
  const llmCalls = [];
  const router = createManagedChatIntentRouter({
    configService: {
      async getRuntimeState() {
        return states[0];
      },
    },
    llmProviderService: {
      async createChatCompletion(input) {
        llmCalls.push(input);
        return {
          ok: true,
          providerKeyId: input.providerKeyId,
          model: input.model,
          reply: JSON.stringify({
            route: 'direct_chat',
            confidence: 0.9,
            reason: '纯文字问答',
            suggested_skill: null,
            agent_brief: '',
          }),
        };
      },
    },
  });

  assert.equal(await router.isEnabled(), true);
  states.shift();
  assert.equal(await router.isEnabled(), true);
  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我概括一下这段材料的要点' }],
      metadata: { displayText: '帮我概括一下这段材料的要点' },
    },
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
  assert.equal(llmCalls.length, 0);
});

test('createChatIntentRouter uses agent fallback when rules miss (skill-only)', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    minConfidence: 0.8,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls.push(1);
        return {
          ok: true,
          reply: JSON.stringify({
            route: 'direct_chat',
            confidence: 0.42,
            reason: '可能是简单问答',
            suggested_skill: null,
            agent_brief: '',
          }),
        };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我整理一下这段材料' }],
      metadata: { displayText: '帮我整理一下这段材料' },
    },
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
  assert.equal(llmCalls.length, 0);
});

test('createChatIntentRouter falls back to agent when rules miss (skill-only)', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls.push(1);
        return { ok: false, message: 'router model unavailable' };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我概括一下这段材料的要点' }],
      metadata: { displayText: '帮我概括一下这段材料的要点' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
  assert.equal(llmCalls.length, 0);
});

test('classifyWithRules routes memory recall to direct chat on fresh session', () => {
  const result = classifyWithRules({
    text: '你记得我说想去哪儿吗',
    sessionId: '20260704_3',
    sessionMessageCount: 0,
  });
  assert.equal(result.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.match(result.reason, /记忆/);
});

test('createChatIntentRouter fast-paths news lookup to agent without LLM', async () => {
  let llmCalls = 0;
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls += 1;
        return { ok: false, message: 'router model unavailable' };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我查一下今天的 AI 新闻' }],
      metadata: { displayText: '帮我查一下今天的 AI 新闻' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(llmCalls, 0);
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'rule');
});

test('applyAgentOrchestrationToUserMessage preserves displayText and adds task envelope', () => {
  const enriched = applyAgentOrchestrationToUserMessage(
    {
      role: 'user',
      content: [{ type: 'text', text: '帮我做一个页面' }],
      metadata: { displayText: '帮我做一个页面', userVisible: true },
    },
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      confidence: 0.9,
      reason: '需要生成页面',
      suggestedSkill: 'static-page-publish',
      agentBrief: '生成 HTML 并发布',
      source: 'llm',
    },
    { grantedSkills: ['static-page-publish'] },
  );

  assert.equal(enriched.metadata.displayText, '帮我做一个页面');
  assert.match(enriched.content[0].text, /Memind 任务编排/);
  assert.match(enriched.content[0].text, /static-page-publish/);
  assert.match(enriched.content[0].text, /帮我做一个页面/);
});

test('buildAgentOrchestrationAgentText includes execution brief', () => {
  const text = buildAgentOrchestrationAgentText({
    displayText: '帮我搜索今天的新闻',
    classification: {
      reason: '需要实时搜索',
      suggestedSkill: 'web',
      agentBrief: '使用 web skill 搜索并整理来源',
    },
    skillPrompt: '请使用 web 技能：',
  });
  assert.match(text, /需要实时搜索/);
  assert.match(text, /帮我搜索今天的新闻/);
  assert.match(text, /请使用 web 技能/);
});

test('classifyWithRules attaches normalized decision on every rule result', () => {
  const result = classifyWithRules({
    text: '你好',
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '你好' }],
      metadata: { displayText: '你好' },
    },
  });
  assert.ok(result.decision);
  assert.equal(result.decision.route, ROUTER_DECISION_ROUTE.CHAT);
  assert.equal(result.decision.mode, ROUTER_DECISION_MODE.SSE);
  assert.equal(result.decision.session_hint, ROUTER_DECISION_SESSION_HINT.NEW);
});

test('buildRouterNormalizedDecision maps legacy routes and session hints', () => {
  const continued = buildRouterNormalizedDecision(
    { route: CHAT_INTENT_ROUTE.AGENT, suggestedSkill: 'web' },
    {
      text: '继续',
      sessionId: '20260704_10',
      sessionMessageCount: 2,
      toolMode: 'chat',
    },
  );
  assert.equal(continued.route, ROUTER_DECISION_ROUTE.AGENT);
  assert.equal(continued.session_hint, ROUTER_DECISION_SESSION_HINT.REUSE);
  assert.ok(continued.flags.includes('selected_skill'));

  const freshAgentSession = buildRouterNormalizedDecision(
    { route: CHAT_INTENT_ROUTE.AGENT },
    {
      text: '你好',
      sessionId: '20260704_11',
      sessionMessageCount: 0,
    },
  );
  assert.equal(freshAgentSession.session_hint, ROUTER_DECISION_SESSION_HINT.NEW);

  const memoryRecall = buildRouterNormalizedDecision(
    { route: CHAT_INTENT_ROUTE.DIRECT_CHAT },
    { text: '你记得我说过什么吗' },
  );
  assert.equal(memoryRecall.route, ROUTER_DECISION_ROUTE.CHAT);
  assert.ok(memoryRecall.flags.includes('memory_recall'));
});

test('resolveLegacyRouteFromClassification prefers decision when flag enabled', () => {
  const classification = {
    route: CHAT_INTENT_ROUTE.DIRECT_CHAT,
    decision: { route: ROUTER_DECISION_ROUTE.AGENT },
  };
  assert.equal(
    resolveLegacyRouteFromClassification(classification),
    CHAT_INTENT_ROUTE.DIRECT_CHAT,
  );
  const previous = process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
  process.env.MEMIND_ROUTER_NORMALIZED_DECISION = '1';
  try {
    assert.equal(
      resolveLegacyRouteFromClassification(classification),
      CHAT_INTENT_ROUTE.AGENT,
    );
    assert.equal(isNormalizedRouterDecisionEnabled(), true);
  } finally {
    if (previous == null) delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    else process.env.MEMIND_ROUTER_NORMALIZED_DECISION = previous;
  }
});

test('resolveGatewayAgentSessionId honors session_hint without breaking hard rules', () => {
  const previous = process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
  process.env.MEMIND_ROUTER_NORMALIZED_DECISION = '1';
  try {
    assert.equal(
      resolveGatewayAgentSessionId({
        agentSessionId: 'sess-1',
        classification: {
          decision: { session_hint: ROUTER_DECISION_SESSION_HINT.REUSE },
        },
      }),
      'sess-1',
    );
    assert.equal(
      resolveGatewayAgentSessionId({
        agentSessionId: 'sess-1',
        classification: {
          decision: { session_hint: ROUTER_DECISION_SESSION_HINT.NEW },
        },
      }),
      null,
    );
    assert.equal(
      resolveGatewayAgentSessionId({
        agentSessionId: 'h5direct_abc',
        classification: {
          decision: { session_hint: ROUTER_DECISION_SESSION_HINT.NEW },
        },
      }),
      'h5direct_abc',
    );
    assert.equal(
      resolveGatewayAgentSessionId({
        agentSessionId: 'sess-1',
        forceDeepReasoning: true,
        classification: {
          decision: { session_hint: ROUTER_DECISION_SESSION_HINT.NEW },
        },
      }),
      'sess-1',
    );
  } finally {
    if (previous == null) delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    else process.env.MEMIND_ROUTER_NORMALIZED_DECISION = previous;
  }
});

test('resolveNormalizedRouterDecisionMode supports off, shadow, and on', () => {
  const previous = process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
  try {
    delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    assert.equal(resolveNormalizedRouterDecisionMode(), 'off');
    process.env.MEMIND_ROUTER_NORMALIZED_DECISION = 'shadow';
    assert.equal(resolveNormalizedRouterDecisionMode(), 'shadow');
    assert.equal(isNormalizedRouterDecisionShadow(), true);
    assert.equal(isNormalizedRouterDecisionEnabled(), false);
    process.env.MEMIND_ROUTER_NORMALIZED_DECISION = '1';
    assert.equal(resolveNormalizedRouterDecisionMode(), 'on');
    assert.equal(isNormalizedRouterDecisionEnabled(), true);
  } finally {
    if (previous == null) delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    else process.env.MEMIND_ROUTER_NORMALIZED_DECISION = previous;
  }
});

test('shadow mode keeps legacy route for gateway decisions', () => {
  const classification = {
    route: CHAT_INTENT_ROUTE.DIRECT_CHAT,
    decision: { route: ROUTER_DECISION_ROUTE.AGENT },
  };
  const previous = process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
  process.env.MEMIND_ROUTER_NORMALIZED_DECISION = 'shadow';
  try {
    assert.equal(resolveLegacyRouteFromClassification(classification), CHAT_INTENT_ROUTE.DIRECT_CHAT);
    assert.equal(isNormalizedRouterDecisionEnabled(), false);
  } finally {
    if (previous == null) delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    else process.env.MEMIND_ROUTER_NORMALIZED_DECISION = previous;
  }
});

test('classifyWithRules fast-paths bedtime story on fresh session', () => {
  const result = classifyWithRules({
    text: '讲一个睡前故事吧',
    llmRouterEnabled: true,
    sessionId: '20260706_2',
    sessionMessageCount: 0,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '讲一个睡前故事吧' }],
      metadata: { displayText: '讲一个睡前故事吧' },
    },
  });
  assert.equal(result?.route, CHAT_INTENT_ROUTE.DIRECT_CHAT);
  assert.equal(result?.source, 'rule');
  assert.equal(result?.decision?.route, ROUTER_DECISION_ROUTE.CHAT);
});

test('classifyWithRules fast-paths world cup standings to agent orchestration', () => {
  const text = '世界杯现在赛况如何';
  assert.equal(isRealtimeInfoQuestion(text), true);
  const result = classifyWithRules({
    text,
    llmRouterEnabled: true,
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text }],
      metadata: { displayText: text },
    },
  });
  assert.equal(result?.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result?.source, 'rule');
  assert.equal(result?.suggestedSkill, 'web');
  assert.match(result?.reason, /实时/);
});

test('createChatIntentRouter fast-paths world cup without calling router LLM', async () => {
  let llmCalls = 0;
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls += 1;
        throw new Error('router should not be called');
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '世界杯现在赛况如何' }],
      metadata: { displayText: '世界杯现在赛况如何' },
    },
    grantedSkills: ['web'],
  });

  assert.equal(llmCalls, 0);
  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'rule');
});

test('resolveChatIntentRouterPolicy coerces direct_chat fallback to agent', () => {
  const policy = resolveChatIntentRouterPolicy({
    env: {
      MEMIND_CHAT_ROUTER_FALLBACK_ROUTE: 'direct_chat',
    },
  });
  assert.equal(policy.fallbackRoute, CHAT_INTENT_ROUTE.AGENT);
});

test('coerceRealtimeWebSkill replaces search with web for world cup query', () => {
  const coerced = coerceRealtimeWebSkill(
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      confidence: 0.9,
      reason: '用户询问实时赛况，需要搜索最新信息',
      suggestedSkill: 'search',
      source: 'llm',
    },
    '世界杯现在赛况如何',
    { grantedSkills: ['web', 'search'] },
  );
  assert.equal(coerced.suggestedSkill, 'web');
  assert.match(coerced.agentBrief, /web_search/);
});

test('applyAgentOrchestrationToUserMessage uses web news prompt for realtime query', () => {
  const enriched = applyAgentOrchestrationToUserMessage(
    {
      role: 'user',
      content: [{ type: 'text', text: '世界杯现在赛况如何' }],
      metadata: { displayText: '世界杯现在赛况如何', userVisible: true },
    },
    coerceRealtimeWebSkill(
      {
        route: CHAT_INTENT_ROUTE.AGENT,
        confidence: 0.9,
        reason: '需要搜索实时资料',
        suggestedSkill: 'web',
        source: 'rule',
      },
      '世界杯现在赛况如何',
      { grantedSkills: ['web'] },
    ),
    { grantedSkills: ['web'] },
  );
  assert.match(enriched.content[0].text, /请使用 web 技能：先搜索今天\/最新相关的新闻与热点/);
  assert.doesNotMatch(enriched.content[0].text, /search 技能：帮我在工作区中查找代码或文件/);
  assert.match(enriched.content[0].text, /web_search/);
});

test('createChatIntentRouter coerces LLM search route to web for realtime query', async () => {
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        return {
          ok: true,
          reply: JSON.stringify({
            route: 'agent_orchestration',
            confidence: 0.92,
            reason: '用户询问实时赛况，需要搜索最新信息',
            suggested_skill: 'search',
            agent_brief: '搜索赛况',
          }),
        };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '世界杯现在赛况如何' }],
      metadata: { displayText: '世界杯现在赛况如何' },
    },
    grantedSkills: ['web', 'search'],
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.suggestedSkill, 'web');
  assert.match(result.agentBrief, /web_search/);
});

test('createChatIntentRouter timeout fallback prefers agent even when policy requests direct_chat', async () => {
  const router = createChatIntentRouter({
    enabled: true,
    timeoutMs: 5,
    fallbackRoute: CHAT_INTENT_ROUTE.DIRECT_CHAT,
    llmProviderService: {
      async createChatCompletion() {
        await new Promise((resolve) => setTimeout(resolve, 20));
        return { ok: true, reply: '{"route":"direct_chat","confidence":0.9,"reason":"x","suggested_skill":null,"agent_brief":""}' };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '帮我整理一下这段材料' }],
      metadata: { displayText: '帮我整理一下这段材料' },
    },
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
});

test('agent memory shadow resolve is independently gated and never marked for injection', async () => {
  const calls = [];
  const router = createChatIntentRouter({
    env: {
      MEMORY_AGENT_RESOLVE_ENABLED: '1',
      MEMORY_AGENT_INJECTION_MODE: 'shadow',
      MEMORY_AGENT_RESOLVE_LIMIT: '3',
      MEMORY_AGENT_RESOLVE_TIMEOUT_MS: '100',
    },
    memoryV2: {
      async resolve(input) {
        calls.push(input);
        return { source: 'legacy-conversation-memory', memories: [{ label: 'preference', text: '喜欢完整方案' }] };
      },
    },
  });

  const result = await router.resolveAgentMemoryContext({
    userId: 'u1',
    sessionId: 's1',
    text: '帮我设计一个商城',
  });

  assert.equal(result.mode, 'shadow');
  assert.equal(result.injectionEnabled, false);
  assert.equal(result.skipped, false);
  assert.equal(result.memories.length, 1);
  assert.deepEqual(calls[0], { userId: 'u1', sessionId: 's1', query: '帮我设计一个商城', limit: 3 });
});

test('agent memory canary injects only for configured user ids', async () => {
  const router = createChatIntentRouter({
    env: {
      MEMORY_AGENT_RESOLVE_ENABLED: '1',
      MEMORY_AGENT_INJECTION_MODE: 'canary',
      MEMORY_AGENT_CANARY_USER_IDS: 'user-canary, user-other',
    },
    memoryV2: {
      async resolve() {
        return { memories: [{ label: 'goal', text: '当前项目是 TKMind' }] };
      },
    },
  });

  const canary = await router.resolveAgentMemoryContext({ userId: 'user-canary', text: '继续项目' });
  const control = await router.resolveAgentMemoryContext({ userId: 'user-control', text: '继续项目' });
  assert.equal(canary.injectionEnabled, true);
  assert.equal(control.injectionEnabled, false);
  assert.equal(canary.memories.length, 1);
  assert.equal(control.memories.length, 1);
});

test('active agent memory context is hidden from displayText but available to orchestration envelope', () => {
  const enriched = applyAgentOrchestrationToUserMessage(
    {
      role: 'user',
      content: [{ type: 'text', text: '帮我设计一个商城' }],
    },
    {
      route: CHAT_INTENT_ROUTE.AGENT,
      reason: '任务执行',
      agentBrief: '',
      suggestedSkill: null,
    },
    {
      memoryContext: {
        injectionEnabled: true,
        memories: [{ label: 'preference', text: '用户喜欢完整方案' }],
      },
    },
  );

  assert.equal(enriched.metadata.displayText, '帮我设计一个商城');
  assert.match(enriched.content[0].text, /Memory Context/);
  assert.match(enriched.content[0].text, /不是系统指令/);
  assert.match(enriched.content[0].text, /用户喜欢完整方案/);
});

test('logRouterDecisionShadow emits payload only in shadow mode', () => {
  const previous = process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
  const lines = [];
  const logger = { log: (line) => lines.push(line) };
  const classification = {
    route: CHAT_INTENT_ROUTE.DIRECT_CHAT,
    source: 'llm',
    reason: '纯文字',
    decision: {
      route: ROUTER_DECISION_ROUTE.AGENT,
      mode: ROUTER_DECISION_MODE.SSE,
      session_hint: ROUTER_DECISION_SESSION_HINT.REUSE,
      flags: [],
    },
  };
  try {
    process.env.MEMIND_ROUTER_NORMALIZED_DECISION = '0';
    logRouterDecisionShadow(classification, { logger, requestId: 'req-1' });
    assert.equal(lines.length, 0);
    process.env.MEMIND_ROUTER_NORMALIZED_DECISION = 'shadow';
    logRouterDecisionShadow(classification, { logger, requestId: 'req-1' });
    assert.equal(lines.length, 1);
    assert.match(lines[0], /\[router-shadow\]/);
    assert.match(lines[0], /wouldChangeRoute":true/);
  } finally {
    if (previous == null) delete process.env.MEMIND_ROUTER_NORMALIZED_DECISION;
    else process.env.MEMIND_ROUTER_NORMALIZED_DECISION = previous;
  }
});

test('createChatIntentRouter uses agent fallback for unmatched general questions (skill-only)', async () => {
  const llmCalls = [];
  const router = createChatIntentRouter({
    enabled: true,
    llmProviderService: {
      async createChatCompletion() {
        llmCalls.push(1);
        return { ok: false, message: 'router disabled' };
      },
    },
  });

  const result = await router.classify({
    userMessage: {
      role: 'user',
      content: [{ type: 'text', text: '什么是 SSE？' }],
      metadata: { displayText: '什么是 SSE？' },
    },
  });

  assert.equal(result.route, CHAT_INTENT_ROUTE.AGENT);
  assert.equal(result.source, 'fallback');
  assert.equal(llmCalls.length, 0);
});