type TestCase = {
  name: string;
  execute: () => void;
};

function logSuccess(message: string) {
  console.log(`✅ ${message}`);
}

function logFailure(message: string, error: unknown) {
  console.error(`❌ ${message}`, error);
}

function encodeCookieValue(value: string) {
  return encodeURIComponent(value);
}

function decodeCookieValue(value: string) {
  return decodeURIComponent(value);
}

function runTestCase({ name, execute }: TestCase) {
  try {
    execute();
    logSuccess(name);
  } catch (error) {
    logFailure(name, error);
  }
}

export function runCookieEncodingTests() {
  const cases: TestCase[] = [
    {
      name: '基本英文字母安全编码',
      execute: () => {
        const input = 'session=test';
        const encoded = encodeCookieValue(input);
        const decoded = decodeCookieValue(encoded);
        if (decoded !== input) {
          throw new Error('解码值与原始值不一致');
        }
      },
    },
    {
      name: '支持中文字符',
      execute: () => {
        const input = '昵称=代码艺术家';
        const encoded = encodeCookieValue(input);
        const decoded = decodeCookieValue(encoded);
        if (decoded !== input) {
          throw new Error('中文字符编码失败');
        }
      },
    },
    {
      name: '特殊字符保留',
      execute: () => {
        const input = 'symbols=!@#$%^&*()_+-={}[]|:;"\'<>,.?/~`';
        const encoded = encodeCookieValue(input);
        const decoded = decodeCookieValue(encoded);
        if (decoded !== input) {
          throw new Error('特殊字符编码失败');
        }
      },
    },
  ];

  cases.forEach(runTestCase);
}

export function testRealWorldScenarios() {
  const cases: TestCase[] = [
    {
      name: 'JWT Token 轮换',
      execute: () => {
        const token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9';
        const encoded = encodeCookieValue(token);
        const decoded = decodeCookieValue(encoded);
        if (decoded !== token) {
          throw new Error('JWT token 编解码失败');
        }
      },
    },
    {
      name: '长文本粘贴',
      execute: () => {
        const text = 'Prompt=' + '艺术创作'.repeat(20);
        const encoded = encodeCookieValue(text);
        const decoded = decodeCookieValue(encoded);
        if (decoded !== text) {
          throw new Error('长文本编码失败');
        }
      },
    },
  ];

  cases.forEach(runTestCase);
}
