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

function loadFrontendEsm(filePath: string) {
  let code = fs.readFileSync(filePath, 'utf-8');
  code = code.replace(/export\s+const\s+(\w+)/g, 'const $1');
  code = code.replace(/export\s+class\s+(\w+)/g, 'class $1');
  code = code.replace(/export\s+function\s+(\w+)/g, 'function $1');
  const sandbox: any = { module: { exports: {} }, exports: {} };
  vm.createContext(sandbox);
  vm.runInContext(
    `${code}\nmodule.exports = { ...module.exports, ...(typeof encodeCode128B !== 'undefined' ? { encodeCode128B, getBarcodeBits } : {}), ...(typeof generateQRCodeMatrix !== 'undefined' ? { generateQRCodeMatrix, QRCodeModel } : {}) };`,
    sandbox
  );
  return sandbox.module.exports;
}

describe('Barcode & QRCode Architecture (TDD 门票真实条形码与二维码生成及零Mock门禁)', () => {
  const rootDir = path.resolve(__dirname, '../..');
  const barcodeJsPath = path.join(rootDir, 'pwuniapp/common/barcode.js');
  const qrcodeJsPath = path.join(rootDir, 'pwuniapp/common/qrcode.js');
  const ticketVuePath = path.join(rootDir, 'pwuniapp/pages/activity/my-ticket.vue');

  describe('1. Code128 条形码算法规范', () => {
    it('barcode.js 文件必须存在且导出 encodeCode128B 和 getBarcodeBits', () => {
      expect(fs.existsSync(barcodeJsPath)).toBe(true);
      const content = fs.readFileSync(barcodeJsPath, 'utf-8');
      expect(content).toContain('export function encodeCode128B');
      expect(content).toContain('export function getBarcodeBits');
    });

    it('Code128 编码能够正确计算校验码并生成标准条空序列', () => {
      const { encodeCode128B, getBarcodeBits } = loadFrontendEsm(barcodeJsPath);
      const testCode = 'TICKET-101-8392';
      const segments = encodeCode128B(testCode);
      expect(Array.isArray(segments)).toBe(true);
      expect(segments.length).toBeGreaterThan(10);
      const bits = getBarcodeBits(testCode);
      expect(typeof bits).toBe('string');
      expect(bits).toMatch(/^[01]+$/);
    });
  });

  describe('2. QR Code 二维码矩阵算法规范', () => {
    it('qrcode.js 文件必须存在且导出 generateQRCodeMatrix 和 QRCodeModel', () => {
      expect(fs.existsSync(qrcodeJsPath)).toBe(true);
      const content = fs.readFileSync(qrcodeJsPath, 'utf-8');
      expect(content).toContain('export function generateQRCodeMatrix');
      expect(content).toContain('export class QRCodeModel');
    });

    it('QR Code 算法能够为任意门票串生成合法的 N*N 二维点阵矩阵', () => {
      const { generateQRCodeMatrix } = loadFrontendEsm(qrcodeJsPath);
      const testText = 'TICKET-101-8392';
      const matrix = generateQRCodeMatrix(testText, 2);
      expect(Array.isArray(matrix)).toBe(true);
      expect(matrix.length).toBe(25); // Ver 2: 25x25 矩阵
      expect(matrix[0].length).toBe(25);
      // 验证寻象图形 (Position Probe Pattern: 左上角第 0 行应有黑块)
      expect(matrix[0][0]).toBe(true);
    });
  });

  describe('3. 门票页面真实接入门禁与移除Mock依赖', () => {
    it('my-ticket.vue 必须引入真实条形码与二维码生成算法', () => {
      const content = fs.readFileSync(ticketVuePath, 'utf-8');
      expect(content).toContain('encodeCode128B');
      expect(content).toContain('generateQRCodeMatrix');
      expect(content).toContain('barcodeSegments');
      expect(content).toContain('qrcodeMatrix');
    });

    it('my-ticket.vue 必须彻底移除对 ACTIVITIES_LIST 假Mock数据的依赖', () => {
      const content = fs.readFileSync(ticketVuePath, 'utf-8');
      expect(content).not.toContain("import { ACTIVITIES_LIST } from '@/common/mock.js';");
      expect(content).not.toContain('const ticketData = ref(ACTIVITIES_LIST[0])');
    });

    it('所有新写的代码中严禁包含任何系统 Emoji', () => {
      const bContent = fs.readFileSync(barcodeJsPath, 'utf-8');
      const qContent = fs.readFileSync(qrcodeJsPath, 'utf-8');
      const tContent = fs.readFileSync(ticketVuePath, 'utf-8');
      const emojiRegex = /[\u{1F300}-\u{1F9FF}\u{2600}-\u{26FF}\u{2700}-\u{27BF}]/u;
      expect(emojiRegex.test(bContent)).toBe(false);
      expect(emojiRegex.test(qContent)).toBe(false);
      expect(emojiRegex.test(tContent)).toBe(false);
    });
  });
});