/**
 * Google Calendar Node.js Interface
 * 通过 child_process 调用 Python 脚本访问日历
 */

const { spawn } = require('child_process');
const path = require('path');

const PYTHON_SCRIPT = path.join(__dirname, '..', 'google-calendar', 'google_calendar.py');
const CREDENTIALS_PATH = '/root/.openclaw/credentials/google-calendar.json';

/**
 * 调用 Python Google Calendar 脚本
 * @param {string} command - 日历命令 (today, tomorrow, week, status)
 * @returns {Promise<string>} 日历信息
 */
async function getCalendarInfo(command = 'today') {
  return new Promise((resolve, reject) => {
    const pythonProcess = spawn('python3', [PYTHON_SCRIPT, command], {
      env: {
        ...process.env,
        PYTHONPATH: path.join(__dirname, '..', 'google-calendar')
      }
    });

    let output = '';
    let errorOutput = '';

    pythonProcess.stdout.on('data', (data) => {
      output += data.toString();
    });

    pythonProcess.stderr.on('data', (data) => {
      errorOutput += data.toString();
    });

    pythonProcess.on('close', (code) => {
      if (code === 0) {
        resolve(output.trim());
      } else {
        reject(new Error(`Python script exited with code ${code}: ${errorOutput}`));
      }
    });

    pythonProcess.on('error', (err) => {
      reject(err);
    });
  });
}

/**
 * 测试日历连接
 */
async function testCalendarConnection() {
  try {
    const result = await getCalendarInfo('status');
    return {
      connected: result.includes('✅'),
      message: result
    };
  } catch (error) {
    return {
      connected: false,
      message: `❌ 连接失败：${error.message}`
    };
  }
}

// 命令行测试
if (require.main === module) {
  const command = process.argv[2] || 'today';
  getCalendarInfo(command)
    .then(result => console.log(result))
    .catch(err => console.error('Error:', err.message));
}

module.exports = { getCalendarInfo, testCalendarConnection };