#!/usr/bin/env node

/**
 * Gitea API Client
 * 提供调用 Gitea API 的工具函数
 */

const BASE_URL = 'http://47.107.61.133:3000/api/v1';

function getToken() {
  // 优先从环境变量读取，其次从命令行参数读取
  const token = process.env['GITEA_TOKEN47'];
  if (!token) {
    // 检查是否有命令行传入的 token
    const tokenArg = process.argv.find(arg => arg.startsWith('--token='));
    if (tokenArg) {
      return tokenArg.replace('--token=', '');
    }
    throw new Error('环境变量 GITEA_TOKEN47 未设置，请设置环境变量或使用 --token= 参数');
  }
  return token;
}

async function giteaRequest(method, endpoint, data = null, params = {}) {
  const token = getToken();
  let url = `${BASE_URL}${endpoint}`;
  
  // 添加查询参数
  if (Object.keys(params).length > 0) {
    const queryString = new URLSearchParams(params).toString();
    url += `?${queryString}`;
  }
  
  const options = {
    method,
    headers: {
      'Authorization': `token ${token}`,
      'Content-Type': 'application/json',
      'Accept': 'application/json'
    }
  };
  
  if (data && (method === 'POST' || method === 'PATCH' || method === 'PUT')) {
    options.body = JSON.stringify(data);
  }
  
  const response = await fetch(url, options);
  
  // 处理响应
  const contentType = response.headers.get('content-type');
  if (contentType && contentType.includes('application/json')) {
    const result = await response.json();
    if (!response.ok) {
      throw new Error(`API Error: ${response.status} - ${JSON.stringify(result)}`);
    }
    return result;
  } else {
    if (!response.ok) {
      throw new Error(`API Error: ${response.status} - ${response.statusText}`);
    }
    return response.status === 204 ? null : await response.text();
  }
}

// 导出工具函数
const gitea = {
  get: (endpoint, params = {}) => giteaRequest('GET', endpoint, null, params),
  post: (endpoint, data = {}) => giteaRequest('POST', endpoint, data),
  patch: (endpoint, data = {}) => giteaRequest('PATCH', endpoint, data),
  put: (endpoint, data = {}) => giteaRequest('PUT', endpoint, data),
  delete: (endpoint) => giteaRequest('DELETE', endpoint)
};

// CLI 模式
if (require.main === module) {
  const args = process.argv.slice(2);
  const command = args[0];
  
  if (command === 'get') {
    const endpoint = args[1];
    gitea.get(endpoint).then(result => console.log(JSON.stringify(result, null, 2)));
  } else if (command === 'post') {
    const endpoint = args[1];
    const data = JSON.parse(args[2] || '{}');
    gitea.post(endpoint, data).then(result => console.log(JSON.stringify(result, null, 2)));
  } else {
    console.log('Usage:');
    console.log('  node gitea.js get <endpoint>');
    console.log('  node gitea.js post <endpoint> <json-data>');
  }
}

module.exports = gitea;