import express from 'express'
import { spawn } from 'child_process'
import cors from 'cors'

const app = express()
app.use(cors())
app.use(express.json())

app.post('/api/execute', (req, res) => {
  const { description } = req.body

  const child = spawn('opencode', ['run', description], {
    stdio: ['pipe', 'pipe', 'pipe'],
  })

  let output = ''
  let error = ''

  child.stdout.on('data', (data: Buffer) => {
    output += data.toString()
  })

  child.stderr.on('data', (data: Buffer) => {
    error += data.toString()
  })

  child.on('close', (code: number) => {
    res.json({
      validated: code === 0,
      errorMessage: error || (code !== 0 ? `Opencode exited with code ${code}` : undefined),
      output,
    })
  })

  child.on('error', (err: Error) => {
    res.status(500).json({
      validated: false,
      errorMessage: `Failed to start opencode: ${err.message}`,
    })
  })

  child.stdin.end()
})

const PORT = 3001
app.listen(PORT, () => {
  console.log(`Server running on http://localhost:${PORT}`)
})