/**
 * OmniCard AI (CRMmp) - 移动端 AI 顾问流式对话与留资卡片测试套件 (Point 08)
 * 严格践行 TDD 模式与 AGENTS.md 规范
 */

import * as fs from 'fs';
import * as path from 'path';

const AI_CHAT_PAGE = path.resolve(
  __dirname,
  '../../../mpuniapp/pages/portal/ai-chat.uvue'
);
const AI_CHAT_UTS = path.resolve(
  __dirname,
  '../../../mpuniapp/pages/portal/useAiChat.uts'
);

type AiChatRole = 'user' | 'assistant' | 'system';
type ChatMessageType = 'text' | 'lead_card';

interface ChatLeadPayload {
  title: string;
  description: string;
  name: string;
  contact: string;
  submitted: boolean;
  submitting?: boolean;
  successMessage?: string;
  errorMessage?: string;
}

interface ChatMessage {
  role: AiChatRole;
  content: string;
  type?: ChatMessageType;
  cardPayload?: ChatLeadPayload;
}

interface AiChatState {
  cardId: string;
  locale: string;
  draft: string;
  sending: boolean;
  messages: ChatMessage[];
  showLeadHint: boolean;
  leadHint: string;
  errorMessage: string;
}

interface UseAiChatModule {
  hasLeadIntent: (text: string) => boolean;
  sendStreamMessage: (
    prompt: string,
    onChunk: (chunk: string) => void,
    onComplete: () => void,
    intervalMs?: number
  ) => Promise<void>;
  createLeadCardPayload: (locale?: string) => ChatLeadPayload;
  createLeadCardMessage: (locale?: string) => ChatMessage;
  sendStreamChat: (
    state: AiChatState,
    text?: string,
    options?: { intervalMs?: number }
  ) => Promise<boolean>;
  submitLeadCard: (
    cardId: string | number,
    payload: ChatLeadPayload,
    api?: { submitLead: (p: Record<string, unknown>) => Promise<unknown> }
  ) => Promise<boolean>;
  createAiChatState: () => AiChatState;
}

const EMOJI_RE = /[\u{1F300}-\u{1FAFF}\u{2600}-\u{27BF}]/u;

describe('Point 08: 移动端 AI 顾问流式对话与留资卡片逻辑 (useAiChat.uts)', () => {
  beforeEach(() => {
    jest.resetModules();
    (global as { uni?: Record<string, unknown> }).uni = {
      getStorageSync: () => '',
      setStorageSync: () => {},
      removeStorageSync: () => {},
      getLocale: () => 'zh-CN',
      getSystemInfoSync: () => ({ language: 'zh-CN' }),
      showToast: jest.fn(),
      request: () => ({ abort: jest.fn() }),
    };
  });

  afterEach(() => {
    delete (global as { uni?: Record<string, unknown> }).uni;
  });

  function loadModule(): UseAiChatModule {
    // eslint-disable-next-line @typescript-eslint/no-require-imports
    return require('../../../mpuniapp/pages/portal/useAiChat.uts') as UseAiChatModule;
  }

  describe('1. 空输入防护', () => {
    it('1.1 空字符串与空白字符不触发流式推送与回调', async () => {
      const { sendStreamMessage } = loadModule();
      const onChunk = jest.fn();
      const onComplete = jest.fn();

      await sendStreamMessage('', onChunk, onComplete, 0);
      expect(onChunk).not.toHaveBeenCalled();
      expect(onComplete).not.toHaveBeenCalled();

      await sendStreamMessage('   ', onChunk, onComplete, 0);
      expect(onChunk).not.toHaveBeenCalled();
      expect(onComplete).not.toHaveBeenCalled();
    });

    it('1.2 sendStreamChat 在空草稿或无 cardId 时直接返回 false', async () => {
      const { createAiChatState, sendStreamChat } = loadModule();
      const state = createAiChatState();
      state.cardId = '';
      state.draft = '价格多少';

      const resNoCard = await sendStreamChat(state, undefined, { intervalMs: 0 });
      expect(resNoCard).toBe(false);
      expect(state.messages.length).toBe(0);

      state.cardId = 'card-1001';
      state.draft = '   ';
      const resBlank = await sendStreamChat(state, undefined, { intervalMs: 0 });
      expect(resBlank).toBe(false);
      expect(state.messages.length).toBe(0);
    });
  });

  describe('2. 流式数据分块与拼装', () => {
    it('2.1 合法输入触发分块回调并拼装出完整应答', async () => {
      const { sendStreamMessage } = loadModule();
      const chunks: string[] = [];
      const onChunk = jest.fn((c: string) => chunks.push(c));
      const onComplete = jest.fn();

      await sendStreamMessage('请介绍一下名片主理人', onChunk, onComplete, 0);

      expect(onChunk).toHaveBeenCalled();
      expect(chunks.length).toBeGreaterThan(1);
      expect(onComplete).toHaveBeenCalledTimes(1);

      const assembled = chunks.join('');
      expect(assembled.length).toBeGreaterThan(5);
    });
  });

  describe('3. 意向词检测算法', () => {
    it('3.1 命中价格、报价、合作、buy、quote、price 等核心关键词', () => {
      const { hasLeadIntent } = loadModule();

      expect(hasLeadIntent('请问你们的标准版价格是多少？')).toBe(true);
      expect(hasLeadIntent('发一份详细报价单')).toBe(true);
      expect(hasLeadIntent('希望能与你们商务合作')).toBe(true);
      expect(hasLeadIntent('I want to buy the enterprise tier')).toBe(true);
      expect(hasLeadIntent('Can you provide a quote?')).toBe(true);
      expect(hasLeadIntent('What is the best PRICE?')).toBe(true);
    });

    it('3.2 普通闲聊或无关内容不命中意向词', () => {
      const { hasLeadIntent } = loadModule();

      expect(hasLeadIntent('你好')).toBe(false);
      expect(hasLeadIntent('你是谁')).toBe(false);
      expect(hasLeadIntent('Good morning, how are you?')).toBe(false);
      expect(hasLeadIntent('')).toBe(false);
      expect(hasLeadIntent('   ')).toBe(false);
    });
  });

  describe('4. 意向触发自动插入留资卡片消息', () => {
    it('4.1 命中意向词时自动在对话末尾追加留资卡片类型消息', async () => {
      const { createAiChatState, sendStreamChat } = loadModule();
      const state = createAiChatState();
      state.cardId = 'card-2002';
      state.draft = '请问这个微官网方案价格是多少？';

      const success = await sendStreamChat(state, undefined, { intervalMs: 0 });
      expect(success).toBe(true);

      // 包含 user 消息、assistant 流式消息、以及留资卡片消息
      expect(state.messages.length).toBe(3);
      expect(state.messages[0].role).toBe('user');
      expect(state.messages[0].type).toBe('text');

      expect(state.messages[1].role).toBe('assistant');
      expect(state.messages[1].type).toBe('text');
      expect(state.messages[1].content.length).toBeGreaterThan(0);

      const cardMsg = state.messages[2];
      expect(cardMsg.role).toBe('assistant');
      expect(cardMsg.type).toBe('lead_card');
      expect(cardMsg.cardPayload).toBeDefined();
      expect(cardMsg.cardPayload?.submitted).toBe(false);
      expect(state.showLeadHint).toBe(true);
    });

    it('4.2 未命中意向词时不追加留资卡片消息', async () => {
      const { createAiChatState, sendStreamChat } = loadModule();
      const state = createAiChatState();
      state.cardId = 'card-2002';
      state.draft = '请问名片支持哪些功能？';

      const success = await sendStreamChat(state, undefined, { intervalMs: 0 });
      expect(success).toBe(true);

      expect(state.messages.length).toBe(2);
      expect(state.messages[0].role).toBe('user');
      expect(state.messages[1].role).toBe('assistant');
      expect(state.messages[1].type).toBe('text');
    });
  });

  describe('5. 留资卡片提交线索处理', () => {
    it('5.1 姓名或联系方式为空时拒绝提交', async () => {
      const { createLeadCardPayload, submitLeadCard } = loadModule();
      const payload = createLeadCardPayload();
      const mockSubmit = jest.fn();

      payload.name = '';
      payload.contact = 'test@example.com';
      const r1 = await submitLeadCard('card-1', payload, { submitLead: mockSubmit });
      expect(r1).toBe(false);
      expect(mockSubmit).not.toHaveBeenCalled();

      payload.name = 'Alex';
      payload.contact = '   ';
      const r2 = await submitLeadCard('card-1', payload, { submitLead: mockSubmit });
      expect(r2).toBe(false);
      expect(mockSubmit).not.toHaveBeenCalled();
    });

    it('5.2 填写完整后成功提交并置 submitted 为 true', async () => {
      const { createLeadCardPayload, submitLeadCard } = loadModule();
      const payload = createLeadCardPayload();
      const mockSubmit = jest.fn().mockResolvedValue({ id: 'lead-999' });

      payload.name = 'Alex Wang';
      payload.contact = '+1234567890';

      const success = await submitLeadCard('card-3003', payload, {
        submitLead: mockSubmit,
      });

      expect(success).toBe(true);
      expect(mockSubmit).toHaveBeenCalledTimes(1);
      expect(payload.submitted).toBe(true);
      expect(payload.submitting).toBe(false);
    });
  });
});

describe('Point 08: 页面与代码规范断言 (ai-chat.uvue)', () => {
  it('页面模板中包含留资卡片渲染、无中文字面量、无 emoji、无 any', () => {
    expect(fs.existsSync(AI_CHAT_PAGE)).toBe(true);
    const pageSource = fs.readFileSync(AI_CHAT_PAGE, 'utf8');
    const logicSource = fs.readFileSync(AI_CHAT_UTS, 'utf8');
    const template = pageSource.split('<script')[0];

    // 留资卡片结构
    expect(pageSource.includes('ai-lead-card')).toBe(true);
    expect(pageSource.includes('cardPayload')).toBe(true);
    expect(pageSource.includes('lead_card')).toBe(true);

    // 规范：无 emoji
    expect(EMOJI_RE.test(pageSource)).toBe(false);
    expect(EMOJI_RE.test(logicSource)).toBe(false);

    // 规范：无 any
    expect(pageSource.includes(': any') || pageSource.includes(' as any')).toBe(false);
    expect(logicSource.includes(': any') || logicSource.includes(' as any')).toBe(false);

    // 规范：模板中无硬编码中文字面量，全走 i18n
    expect(/[\u4e00-\u9fff]/.test(template)).toBe(false);

    // 规范：单一主 CTA
    const primaryCtas = pageSource.match(/primary-cta-btn/g) || [];
    expect(primaryCtas.length).toBeGreaterThan(0);
  });
});