import { execFile } from "node:child_process"
import scripts from "../config/backup-script.json"

type BackupScript = {
  key: string
  label: string
  downloadFolders?: string[]
  command: string
  args?: string[]
}

function runCommand(command: string, args: string[] = []): Promise<string> {
  return new Promise((resolve, reject) => {
    execFile(command, args, { timeout: 10 * 60 * 1000 }, (error, stdout, stderr) => {
      if (error) {
        reject(stderr || error.message)
        return
      }
      resolve(stdout || stderr)
    })
  })
}

export default defineEventHandler(async (event) => {
  const body = await readBody<{ key?: string }>(event)
  const key = typeof body?.key === "string" ? body.key : null

  if (!key) {
    throw createError({
      statusCode: 400,
      statusMessage: "Clé de script manquante"
    })
  }

  const script = (scripts as BackupScript[]).find((item) => item.key === key)
  if (!script) {
    throw createError({
      statusCode: 404,
      statusMessage: "Script introuvable"
    })
  }

  try {
    const output = await runCommand(script.command, script.args || [])
    return {
      ok: true,
      key: script.key,
      label: script.label,
      downloadFolders: script.downloadFolders || [],
      output: output.trim()
    }
  } catch (error) {
    throw createError({
      statusCode: 500,
      statusMessage: `Erreur execution script: ${String(error)}`
    })
  }
})