import { app, assistantConfig } from './app.ts';
import { proxyRoute, proxyWs } from './services/proxy/proxy-page-index.ts';
import './routes/index.ts';

import getPort, { portNumbers } from 'get-port';
import { program } from 'commander';
import { spawnSync } from 'node:child_process';
import path from 'node:path'
import chalk from 'chalk';
import { AssistantApp } from './lib.ts';
import { getBunPath } from './module/get-bun-path.ts';
export const runServer = async (port?: number, listenPath = '127.0.0.1') => {
  let _port: number | undefined;
  if (port) {
    _port = await getPort({ port });
    if (_port !== port) {
      console.log(`Port ${port} is not available`);
      _port = undefined;
    }
  }
  if (!_port) {
    // 检车端口可用性
    const isPortAvailable = await getPort({ port: portNumbers(51015, 52000) });
    if (!isPortAvailable) {
      console.log(`Port ${isPortAvailable} is not available`);
      process.exit(1);
    }
    _port = isPortAvailable;
  }
  const hasSocket = listenPath.includes('.sock');
  if (hasSocket) {
    app.listen(listenPath, () => {
      console.log(`Server is running on ${listenPath}`);
    });
  } else {
    app.listen(_port, listenPath, () => {
      const protocol = assistantConfig.getHttps().protocol;
      console.log(`Server is running on ${protocol}://${listenPath}:${_port}`);
    });
  }
  app.server.on(proxyRoute);
  proxyWs();
  const manager = new AssistantApp(assistantConfig, app);
  setTimeout(() => {
    manager.load({ runtime: 'client' }).then(() => {
      console.log('Assistant App Loaded');
    });
  }, 1000);
  return {
    app,
    port: _port,
  };
};
program
  .description('启动服务')
  .option('-d, --daemon', '是否以守护进程方式运行')
  .option('-n, --name <name>', '服务名称', 'assistant-server')
  .option('-p, --port <port>', '服务端口')
  .option('-s, --start', '是否启动服务')
  .option('-e, --interpreter <interpreter>', '指定使用的解释器', 'bun')
  .action(async (options) => {
    // console.log('当前执行路径:', execPath, inte);
    if (options.daemon) {
      const [_interpreter, execPath] = process.argv;
      const name = options.name;
      const port = options.port;
      const runPath = path.resolve(execPath);

      // Windows 下需要对路径进行转义处理
      const escapePath = (p: string) => {
        // 将反斜杠转换为正斜杠,PM2 在 Windows 上更好地支持正斜杠
        let normalized = p.replace(/\\/g, '/');
        // 如果路径包含空格,用引号包裹
        return normalized.includes(' ') ? `"${normalized}"` : normalized;
      };

      // 获取解释器路径
      let interpreterPath = options.interpreter;
      if (options.interpreter === 'bun') {
        interpreterPath = getBunPath();
        console.log(chalk.gray('Bun 路径:'), interpreterPath);
      }

      // 构建 pm2 命令字符串
      let pm2Command = `pm2 start ${escapePath(runPath)} --interpreter ${escapePath(interpreterPath)} --name ${name} -- -s`;
      
      if (port) {
        pm2Command += ` -p ${port}`;
      }

      console.log(chalk.gray('执行命令:'), pm2Command);
      console.log(chalk.gray('脚本路径:'), runPath);

      try {
        // 先删除可能存在的同名进程
        console.log(chalk.yellow('尝试删除旧进程...'));
        spawnSync(`pm2 delete ${name}`, [], {
          shell: true,
          stdio: 'pipe', // 忽略删除时的输出
        });

        const result = spawnSync(pm2Command, [], {
          stdio: 'inherit',
          shell: true,
          windowsHide: false,
        });
        
        if (result.error) {
          console.error(chalk.red('Error starting server:'), result.error.message);
          console.log(chalk.yellow('\n提示: 请检查:'));
          console.log('  1. pm2 是否已安装: npm install -g pm2');
          console.log('  2. bun 是否已安装且在 PATH 中');
          console.log('  3. 尝试手动执行:', pm2Command);
          process.exit(1);
        }
        
        if (result.status !== 0) {
          console.error(chalk.red(`PM2 exited with code ${result.status}`));
          console.log(chalk.yellow('\n查看详细日志:'), `pm2 logs ${name}`);
          console.log(chalk.yellow('查看进程状态:'), 'pm2 list');
          process.exit(result.status || 1);
        }
        
        console.log(chalk.green('✓ 以守护进程方式运行'));
        console.log(chalk.gray('查看日志:'), `pm2 logs ${name}`);
      } catch (error) {
        console.error(chalk.red('Error starting server:'), error.message);
        process.exit(1);
      }
      process.exit(0);
    } else if (options.start) {
      console.log('启动服务', chalk.green(assistantConfig.configDir));
      const config = assistantConfig.getCacheAssistantConfig();
      const listenPort = options.port || config?.server?.port;
      const listenPath = config?.server?.path || '::';
      const server = await runServer(listenPort, listenPath);
    } else {
      console.log('请使用 -s 参数启动服务');
    }
  });

export const runParser = async (argv: string[]) => {
  try {
    program.parse(argv);
  } catch (error) {
    console.error('执行错误:', error.message);
  }
};