process-runner.js

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

function createProcessRunner({ sessionsDir } = {}) {
  const defaultDir = sessionsDir || process.env.SESSIONS_DIR || path.join(__dirname, '..', 'opencode-sessions');

  function runOpenCodeInBackground({ sessionId, prompt, cwd, logDir }) {
    const logPath = path.join(logDir || defaultDir, `.${sessionId}.run.log`);
    const out = fs.openSync(logPath, 'a');
    const err = fs.openSync(logPath, 'a');

    const child = spawn('opencode', [
      'run', prompt.trim(),
      '-s', sessionId,
      '--dangerously-skip-permissions',
      '--format', 'json',
      '--dir', cwd
    ], {
      detached: true,
      stdio: ['ignore', out, err]
    });
    child.unref();
    fs.closeSync(out);
    fs.closeSync(err);
    return child;
  }

  function openTerminal({ cwd, command, terminal = 'ptyxis', shell = 'bash' }) {
    const safeCwd = cwd.replace(/'/g, "'\\''");
    const cmdStr = `cd '${safeCwd}' && ${command}; exec ${shell}`;

    let args;
    switch (terminal) {
      case 'kitty':
        args = [shell, '-c', cmdStr];
        break;
      case 'alacritty':
      case 'xterm':
      case 'konsole':
        args = ['-e', shell, '-c', cmdStr];
        break;
      case 'wezterm':
        args = ['start', '--', shell, '-c', cmdStr];
        break;
      case 'gnome-terminal':
      case 'ptyxis':
      default:
        args = ['--', shell, '-c', cmdStr];
        break;
    }

    const child = spawn(terminal, args, {
      detached: true,
      stdio: 'ignore'
    });
    child.unref();
    return child;
  }

  function openSessionInTerminal({ sessionId, cwd, terminal, shell }) {
    return openTerminal({ cwd, command: `opencode -s ${sessionId}`, terminal, shell });
  }

  function openNewSessionInTerminal({ cwd, terminal, shell }) {
    return openTerminal({ cwd, command: 'opencode', terminal, shell });
  }

  return {
    runOpenCodeInBackground,
    openSessionInTerminal,
    openNewSessionInTerminal
  };
}

module.exports = { createProcessRunner };