import { createServer } from "node:http"
import { mkdir, writeFile } from "node:fs/promises"
import { dirname, resolve } from "node:path"

const output = resolve(process.argv[2] || "artifacts/ai-ppt-export-test/ai-ppt-e2e.pptx")

const server = createServer((request, response) => {
  response.setHeader("Access-Control-Allow-Origin", "*")
  response.setHeader("Access-Control-Allow-Methods", "POST, OPTIONS")
  if (request.method === "OPTIONS") {
    response.writeHead(204).end()
    return
  }
  if (request.method !== "POST" || request.url !== "/pptx") {
    response.writeHead(404).end()
    return
  }
  const chunks = []
  request.on("data", chunk => chunks.push(chunk))
  request.on("end", async () => {
    const buffer = Buffer.concat(chunks)
    await mkdir(dirname(output), { recursive: true })
    await writeFile(output, buffer)
    response.writeHead(200).end("saved")
    console.log(JSON.stringify({ output, bytes: buffer.length }))
    server.close()
  })
})

server.listen(9540, "127.0.0.1", () => console.log("AI PPT export sink listening on 9540"))