const DEFAULT_BACKEND_URL = "http://192.268.200.111:8000";
let backendUrl = localStorage.getItem("backendUrl") || DEFAULT_BACKEND_URL;

export function setBackendUrl(url) {
  backendUrl = url;
  localStorage.setItem("backendUrl", url);
}

export async function apiFetch(endpoint, options = {}) {
  const token = localStorage.getItem("token");
  const headers = {
    "Content-Type": "application/json",
    ...(token ? { Authorization: `Bearer ${token}` } : {}),
    ...options.headers,
  };

  const response = await fetch(`${backendUrl}/api${endpoint}`, {
    ...options,
    headers,
  });

  if (!response.ok) {
    if (response.status === 401) {
      localStorage.removeItem("token");
      window.location.reload(); // Редирект на login
    }
    throw new Error(`API error: ${response.statusText}`);
  }

  return response.json();
}

export async function login(username, password) {
  return apiFetch("/auth/login", {
    method: "POST",
    body: JSON.stringify({ username, password }),
  });
}

export async function logout() {
  await apiFetch("/auth/logout", { method: "POST" });
  localStorage.removeItem("token");
  window.location.reload();
}

// Другие методы по API_DOCUMENTATION.md
export async function getSpeechData() {
  return apiFetch("/dashboard/speech-data");
}

export async function getSysMonitor() {
  return apiFetch("/dashboard/sys-monitor");
}

export async function getRecentPhrases(limit = 10) {
  return apiFetch(`/dashboard/recent-phrases?limit=${limit}`);
}

export async function getSettings() {
  return apiFetch("/settings");
}

export async function updateSettings(section, data) {
  return apiFetch(`/settings/${section}`, {
    method: "PUT",
    body: JSON.stringify(data),
  });
}

export async function restart() {
  return apiFetch("/settings/restart", { method: "POST" });
}