import { spawn } from "node:child_process";
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { Readable, Writable } from "node:stream";
import * as acp from "@agentclientprotocol/sdk";

const root = await fs.mkdtemp(path.join(os.tmpdir(), "gori-image-cap-spike-"));
const workspace = path.join(root, "workspace");
await fs.mkdir(workspace, { recursive: true, mode: 0o700 });

const child = spawn(process.env.KIMI_BIN || "kimi", ["acp"], {
  cwd: workspace,
  env: process.env,
  shell: false,
  stdio: ["pipe", "pipe", "pipe"]
});
let stderr = "";
child.stderr.on("data", (chunk) => { stderr += chunk.toString("utf8"); });

const app = acp.client({ name: "gori-image-cap-spike", version: "0.1.0" });
const stream = acp.ndJsonStream(Writable.toWeb(child.stdin), Readable.toWeb(child.stdout));
const connection = app.connect(stream);

try {
  const initialized = await connection.agent.request(acp.methods.agent.initialize, {
    protocolVersion: acp.PROTOCOL_VERSION,
    clientCapabilities: { fs: { readTextFile: false, writeTextFile: false } },
    clientInfo: { name: "gori-image-cap-spike", version: "0.1.0" }
  });
  console.log(JSON.stringify(initialized, null, 2));
} finally {
  child.kill("SIGKILL");
  await fs.rm(root, { recursive: true, force: true });
}