import { spawn } from 'node:child_process'

const commands = {
  codex: ['codex'],
  'claude-code': ['claude'],
  gemini: ['gemini']
}

export function resolveAgentCommand(agent) {
  return commands[agent] ?? [agent]
}

export async function commandExists(command) {
  return new Promise((resolve) => {
    const child = spawn('which', [command], { stdio: 'ignore' })
    child.on('close', (code) => resolve(code === 0))
    child.on('error', () => resolve(false))
  })
}