const DAEMON_URL = 'http://127.0.0.1:12345';

export async function fetchInstances() {
  const res = await fetch(`${DAEMON_URL}/instances/list`);
  if (!res.ok) {
    throw new Error(`Daemon returned status code: ${res.status}`);
  }
  return await res.json();
}

export async function toggleInstanceStatus(name, currentStatus) {
  const action = currentStatus === 'RUNNING' ? 'stop' : 'start';
  const res = await fetch(`${DAEMON_URL}/instances/${action}?name=${encodeURIComponent(name)}`, {
    method: 'POST'
  });
  
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(errorText || `Action '${action}' failed`);
  }
  return true;
}

export async function sendServerCommand(name, commandString) {
  const res = await fetch(`${DAEMON_URL}/instances/command?name=${encodeURIComponent(name)}`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ command: commandString })
  });

  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(errorText || "Failed to route command to target instance");
  }

  return await res.text();
}

export async function fetchServerLogs(name) {
  const res = await fetch(`${DAEMON_URL}/instances/logs?name=${encodeURIComponent(name)}`);
  if (!res.ok) {
    throw new Error("Failed to sync engine logs");
  }
  return await res.json();
}