const fs = require('fs');
const path = require('path');
const { spawn } = require('child_process');
const { applyWorkspaceContext } = require('../mcp/src/core/runtime-context');

const packageRoot = path.resolve(__dirname, '..');
applyWorkspaceContext({ packageRoot });
const { ensureRelayDaemon } = require('../mcp/src/core/relay-daemon');
const { startServer } = require('../mcp/src/dashboard/server');

function ensureCallbackRuntime() {
  const statePath = path.join(packageRoot, 'outputs', 'runtime', 'qiwei-runtime.json');
  let state = {};
  try { state = JSON.parse(fs.readFileSync(statePath, 'utf8')); } catch {}
  const pid = Number(state.pid || 0);
  const alive = pid > 0
    ? (() => { try { process.kill(pid, 0); return true; } catch { return false; } })()
    : false;
  if (alive && ['starting', 'running'].includes(state.status)) {
    console.log(`[start-dashboard] callback runtime 已在运行 (pid=${pid})`);
    return;
  }
  const runtimeScript = path.join(packageRoot, 'scripts', 'start-callback-runtime.mjs');
  fs.mkdirSync(path.join(packageRoot, 'outputs', 'runtime'), { recursive: true });
  const outFd = fs.openSync(path.join(packageRoot, 'outputs', 'runtime', 'runtime.stdout.log'), 'a');
  const errFd = fs.openSync(path.join(packageRoot, 'outputs', 'runtime', 'runtime.stderr.log'), 'a');
  const child = spawn(process.execPath, [runtimeScript, 'start', '--no-dashboard'], {
    cwd: packageRoot,
    detached: true,
    stdio: ['ignore', outFd, errFd],
    windowsHide: true,
  });
  fs.closeSync(outFd);
  fs.closeSync(errFd);
  child.unref();
  console.log(`[start-dashboard] 已同步拉起 callback runtime (pid=${child.pid})`);
}

ensureCallbackRuntime();
ensureRelayDaemon();
startServer().catch(error => {
  console.error('启动 Dashboard 失败:', error);
  process.exit(1);
});