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

// Spawn code-server process with given arguments
const codeServer = spawn('code-server', ['--bind-addr', '127.0.0.1:5900', '--auth', 'none'], {
  stdio: ['pipe', 'pipe', 'pipe']
});

// Print stdout from code-server
codeServer.stdout.on('data', (data) => {
  process.stdout.write(`[code-server stdout]: ${data}`);
});

// Print stderr from code-server
codeServer.stderr.on('data', (data) => {
  process.stderr.write(`[code-server stderr]: ${data}`);
});

// Handle process exit
codeServer.on('close', (code) => {
  console.log(`code-server exited with code ${code}`);
  process.exit(code);
});

// Handle errors
codeServer.on('error', (err) => {
  console.error(`Failed to start code-server: ${err}`);
});

// Setup readline interface for user input from terminal
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
  prompt: 'Enter your next terminal command here> '
});

// Prompt user for input
rl.prompt();

// On user input, send the command to the shell to execute
rl.on('line', (line) => {
  const trimmed = line.trim();
  if (trimmed.toLowerCase() === 'exit' || trimmed.toLowerCase() === 'quit') {
    console.log('Exiting...');
    codeServer.kill();
    rl.close();
    return;
  }

  // Spawn a shell to execute the user command
  const shell = spawn(trimmed, { shell: true, stdio: 'inherit' });

  shell.on('exit', (code) => {
    console.log(`Command "${trimmed}" exited with code ${code}`);
    rl.prompt();
  });

  shell.on('error', (err) => {
    console.error(`Failed to execute command "${trimmed}": ${err}`);
    rl.prompt();
  });
});

// On readline close
rl.on('close', () => {
  console.log('Input closed.');
  codeServer.kill();
  process.exit(0);
});