/**
 * OmniCard AI (CRMmp) - mpuniapp 无摩擦互换名片留资测试套件 (TDD Red -> Green)
 *
 * 严格按照 AGENTS.md 3.3、4.3、5.1 规范与 PRD pages/portal/exchange 设计编写
 */

type UniToastOption = {
  title: string;
  icon?: string;
};

type SubmitLeadRequestData = {
  cardId?: string | number;
  name?: string;
  company?: string;
  phone?: string;
  email?: string;
  notes?: string;
  source?: string;
  visitorId?: string;
};

type UniRequestSuccessRes = {
  statusCode: number;
  data: unknown;
  header: Record<string, string>;
};

type UniRequestOption = {
  url: string;
  method?: string;
  data?: SubmitLeadRequestData;
  success?: (res: UniRequestSuccessRes) => void;
  fail?: (err: { errMsg: string }) => void;
  complete?: () => void;
};

describe('OmniCard AI 用户端无摩擦互换名片业务逻辑测试 (useExchange.uts)', () => {
  let storageMap: Map<string, string>;
  let toastCalls: UniToastOption[];
  let lastRequestOptions: UniRequestOption | null;
  let requestCallCount: number;
  let mockRequestResponse: {
    statusCode?: number;
    data?: {
      code?: number;
      message?: string;
      data?: unknown;
    };
    failError?: { errMsg: string };
  };

  beforeEach(() => {
    storageMap = new Map();
    toastCalls = [];
    lastRequestOptions = null;
    requestCallCount = 0;
    mockRequestResponse = {
      statusCode: 200,
      data: {
        code: 1000,
        message: 'success',
        data: {
          id: 'lead_8801',
          cardId: 'card-101',
          name: 'Tariq Mansour',
          status: 'new',
          intentScore: 20,
          persisted: true,
        },
      },
    };

    (global as { uni?: Record<string, unknown> }).uni = {
      getStorageSync: (key: string) => storageMap.get(key) || '',
      setStorageSync: (key: string, val: string) => storageMap.set(key, val),
      removeStorageSync: (key: string) => storageMap.delete(key),
      showToast: (options: UniToastOption) => {
        toastCalls.push(options);
      },
      reLaunch: jest.fn(),
      request: (options: UniRequestOption) => {
        requestCallCount += 1;
        lastRequestOptions = options;
        setTimeout(() => {
          if (mockRequestResponse.failError) {
            options.fail?.(mockRequestResponse.failError);
          } else {
            options.success?.({
              statusCode: mockRequestResponse.statusCode ?? 200,
              data: mockRequestResponse.data,
              header: {},
            });
          }
          options.complete?.();
        }, 0);
        return {
          abort: jest.fn(),
        };
      },
    };
  });

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

  const SUCCESS_TOAST_RE = /已提交|已完成|已互换|已保存|交换成功|提交成功|Card Exchanged/i;

  function assertNoSuccessToast(): void {
    for (const toast of toastCalls) {
      expect(SUCCESS_TOAST_RE.test(toast.title)).toBe(false);
    }
  }

  function loadUseExchange() {
    // eslint-disable-next-line @typescript-eslint/no-require-imports
    return require('../../../mpuniapp/pages/portal/useExchange.uts') as {
      createExchangeState: () => {
        form: {
          name: string;
          company: string;
          phone: string;
          email: string;
          notes: string;
        };
        cardId: string;
        slug: string;
        submitting: boolean;
        canSubmit: boolean;
        errorMessage: string;
      };
      applyExchangeOptions: (
        state: ReturnType<typeof loadUseExchange> extends never ? never : unknown,
        options: { cardId?: string; slug?: string; id?: string } | null
      ) => boolean;
      submitExchange: (state: {
        form: {
          name: string;
          company: string;
          phone: string;
          email: string;
          notes: string;
        };
        cardId: string;
        slug: string;
        submitting: boolean;
        canSubmit: boolean;
        errorMessage: string;
      }) => Promise<unknown>;
      isExchangeSubmitSuccess: (lead: unknown) => boolean;
    };
  }

  describe('1. 表单校验不触发 submitLead，且不得报成功', () => {
    it('1.1 缺少姓名时不调用 submitLead，不弹出已互换/已保存', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];
      state.form.phone = '+971501234567';

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(0);
      expect(lastRequestOptions).toBeNull();
      expect(toastCalls.length).toBeGreaterThan(0);
      expect(toastCalls[0].title).toContain('姓名');
      assertNoSuccessToast();
    });

    it('1.2 缺少 WhatsApp 与邮箱时不调用 submitLead，不报成功', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];
      state.form.name = 'Tariq Mansour';

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(0);
      expect(lastRequestOptions).toBeNull();
      expect(toastCalls.length).toBeGreaterThan(0);
      assertNoSuccessToast();
    });

    it('1.3 姓名与联系方式全空时提交不得报成功', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(0);
      expect(state.form.name).toBe('');
      assertNoSuccessToast();
    });
  });

  describe('2. 合法数据调用 submitLead 并携带 cardId', () => {
    it('2.1 姓名 + WhatsApp 会提交并带上 cardId，仅明确成功才提示', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];
      state.form.name = 'Tariq Mansour';
      state.form.company = 'Dubai Energy Holding';
      state.form.phone = '+971501234567';
      state.form.notes = 'Interested in enterprise solution';

      const result = await submitExchange(state);

      expect(result).not.toBeNull();
      expect(requestCallCount).toBe(1);
      expect(lastRequestOptions).not.toBeNull();
      expect(lastRequestOptions?.method).toBe('POST');
      expect(lastRequestOptions?.url).toContain('/open/crm/lead/exchange');
      expect(lastRequestOptions?.data?.cardId).toBe('card-101');
      expect(lastRequestOptions?.data?.name).toBe('Tariq Mansour');
      expect(lastRequestOptions?.data?.phone).toBe('+971501234567');
      expect(state.form.name).toBe('');
      expect(state.form.phone).toBe('');
      expect(state.form.notes).toBe('');
      expect(toastCalls.some(t => SUCCESS_TOAST_RE.test(t.title))).toBe(true);
    });

    it('2.2 姓名 + 邮箱同样会调用 submitLead', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-202' });
      state.form.name = 'Alex Vance';
      state.form.email = 'alex.vance@nexustech.global';

      await submitExchange(state);

      expect(requestCallCount).toBe(1);
      expect(lastRequestOptions?.data?.cardId).toBe('card-202');
      expect(lastRequestOptions?.data?.email).toBe('alex.vance@nexustech.global');
    });
  });

  describe('4. 接口失败或未落库不得报互换完成', () => {
    it('4.1 接口失败时返回 null，不弹出已互换/已保存', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      mockRequestResponse = {
        statusCode: 200,
        data: { code: 1001, message: '交换名片失败' },
      };

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];
      state.form.name = 'Tariq Mansour';
      state.form.phone = '+971501234567';

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(1);
      expect(state.form.name).toBe('Tariq Mansour');
      assertNoSuccessToast();
    });

    it('4.2 persisted 不为 true 时不得报成功、不得清空表单', async () => {
      const {
        createExchangeState,
        applyExchangeOptions,
        submitExchange,
        isExchangeSubmitSuccess,
      } = loadUseExchange();

      mockRequestResponse.data = {
        code: 1000,
        message: 'success',
        data: {
          id: 'lead_mem_1',
          cardId: 'card-101',
          name: 'Tariq Mansour',
          status: 'new',
          intentScore: 20,
          persisted: false,
        },
      };

      expect(isExchangeSubmitSuccess({ id: 'x', persisted: false })).toBe(false);
      expect(isExchangeSubmitSuccess({ id: 'x', persisted: true })).toBe(true);

      const state = createExchangeState();
      applyExchangeOptions(state, { cardId: 'card-101' });
      toastCalls = [];
      state.form.name = 'Tariq Mansour';
      state.form.phone = '+971501234567';

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(1);
      expect(state.form.name).toBe('Tariq Mansour');
      expect(state.errorMessage.length).toBeGreaterThan(0);
      assertNoSuccessToast();
    });
  });

  describe('5. 页面仅在明确成功时展示完成态', () => {
    it('5.1 exchange.uvue 用 isExchangeSubmitSuccess 判定再置 submitSuccess', () => {
      const fs = require('fs') as typeof import('fs');
      const path = require('path') as typeof import('path');
      const pagePath = path.resolve(
        __dirname,
        '../../../mpuniapp/pages/portal/exchange.uvue'
      );
      const pageSource = fs.readFileSync(pagePath, 'utf8');

      expect(pageSource.includes('isExchangeSubmitSuccess')).toBe(true);
      expect(pageSource.includes('submitSuccess.value = true')).toBe(true);
      expect(pageSource.includes('successTitle')).toBe(true);

      const submitFn = pageSource.indexOf('async function handleSubmit');
      expect(submitFn).toBeGreaterThan(-1);
      const submitBody = pageSource.slice(submitFn, submitFn + 600);
      expect(submitBody.includes('isExchangeSubmitSuccess')).toBe(true);
      expect(submitBody.includes('submitSuccess.value = true')).toBe(true);
    });
  });

  describe('3. onLoad 名片标识', () => {
    it('3.1 缺少 cardId 与 slug 时 toast 并禁止提交', () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      const ok = applyExchangeOptions(state, {});

      expect(ok).toBe(false);
      expect(state.canSubmit).toBe(false);
      expect(toastCalls.length).toBeGreaterThan(0);
      expect(toastCalls[0].title).toContain('名片');
    });

    it('3.2 无名片标识时即使表单完整也不调用 submitLead', async () => {
      const { createExchangeState, submitExchange } = loadUseExchange();

      const state = createExchangeState();
      state.form.name = 'Tariq Mansour';
      state.form.phone = '+971501234567';

      const result = await submitExchange(state);

      expect(result).toBeNull();
      expect(requestCallCount).toBe(0);
    });

    it('3.3 仅有 slug 时允许提交，并以 slug 作为 cardId', async () => {
      const { createExchangeState, applyExchangeOptions, submitExchange } =
        loadUseExchange();

      const state = createExchangeState();
      const ok = applyExchangeOptions(state, { slug: 'alex-vance' });
      expect(ok).toBe(true);
      expect(state.canSubmit).toBe(true);

      state.form.name = 'Alex Vance';
      state.form.email = 'alex.vance@nexustech.global';
      await submitExchange(state);

      expect(requestCallCount).toBe(1);
      expect(lastRequestOptions?.data?.cardId).toBe('alex-vance');
    });
  });
});