// Same-origin API wrapper — обычный скрипт, без ES modules (Safari iOS)
// Используем только credentials:'include' + кэш отключен

const DEFAULT_INIT = {
  credentials: 'include',
  cache: 'no-store',
  redirect: 'follow',
};

async function api(path, options) {
  options = options || {};
  const json = options.json;
  const extraHeaders = options.headers;
  const rest = options;
  delete rest.json;
  delete rest.headers;

  const headers = new Headers(extraHeaders || {});
  let body = rest.body;

  if (json !== undefined) {
    headers.set('Content-Type', 'application/json');
    body = JSON.stringify(json);
  }
  if (!headers.has('Accept')) {
    headers.set('Accept', 'application/json');
  }

  const res = await fetch(path, {
    ...DEFAULT_INIT,
    ...rest,
    headers,
    body,
  });

  const ct = res.headers.get('content-type') || '';
  const isJson = ct.indexOf('application/json') >= 0;
  const data = isJson ? await res.json().catch(function () { return null; }) : await res.text();

  if (!res.ok) {
    const err = new Error((data && (data.message || data.error)) || ('HTTP ' + res.status));
    err.status = res.status;
    err.data = data;
    throw err;
  }
  return data;
}

const apiGet = function (path, opts) { return api(path, Object.assign({}, opts, { method: 'GET' })); };
const apiPost = function (path, json, opts) { return api(path, Object.assign({}, opts, { method: 'POST', json: json })); };
const apiPut = function (path, json, opts) { return api(path, Object.assign({}, opts, { method: 'PUT', json: json })); };
const apiDelete = function (path, opts) { return api(path, Object.assign({}, opts, { method: 'DELETE' })); };

const Store = {
  access: null,
  refresh: null,
  user: null,
  save: function (tokens) {
    if (!tokens) return;
    this.access = tokens.Access || tokens.access;
    this.refresh = tokens.Refresh || tokens.refresh;
  },
  load: function () { return this.access; },
  clear: function () { this.access = null; this.refresh = null; this.user = null; },
};

const Auth = {
  loginEmail: function (email, password) { return apiPost('/api/v1/auth/login', { email: email, password: password }); },
  registerEmail: function (data) { return apiPost('/api/v1/auth/register', data); },
  me: function () { return apiGet('/api/v1/me'); },
  updateMe: function (p) { return apiPut('/api/v1/me', p); },
  getPrefs: function () { return apiGet('/api/v1/me/prefs'); },
  updatePrefs: function (p) { return apiPut('/api/v1/me/prefs', p); },
  updateLocation: function (lat, lng, visible) { return apiPut('/api/v1/me/location', { lat: lat, lng: lng, visible: visible }); },
  setVisibility: function (v) { return apiPut('/api/v1/me/visibility', { visible: v }); },
  searchNearby: function (lat, lng, radius) { return apiGet('/api/v1/search/nearby?lat=' + lat + '&lng=' + lng + '&radius=' + radius); },
  getUser: function (id) { return apiGet('/api/v1/users/' + id); },
};

const ChatApi = {
  ensureChat: function (otherId) { return apiPost('/api/v1/chats', { other_id: otherId }); },
  listChats: function () { return apiGet('/api/v1/chats'); },
  listMessages: function (chatId) { return apiGet('/api/v1/chats/' + chatId + '/messages'); },
  sendMessage: function (chatId, body, photoUrl) { return apiPost('/api/v1/chats/' + chatId + '/messages', { body: body, photo_url: photoUrl }); },
  editMessage: function (msgId, body) { return apiPut('/api/v1/messages/' + msgId, { body: body }); },
  deleteMessage: function (msgId) { return apiDelete('/api/v1/messages/' + msgId); },
  markRead: function (chatId) { return apiPut('/api/v1/chats/' + chatId + '/read', {}); },
  block: function (userId) { return apiPost('/api/v1/blocks', { user_id: userId }); },
  report: function (type, id, reason) { return apiPost('/api/v1/reports', { target_type: type, target_id: id, reason: reason }); },
};

const ReviewApi = {
  create: function (chatId, rating, body, anonymous) { return apiPost('/api/v1/reviews', { chat_id: chatId, rating: rating, body: body, anonymous: anonymous }); },
  listForUser: function (userId) { return apiGet('/api/v1/users/' + userId + '/reviews'); },
  stats: function (userId) { return apiGet('/api/v1/users/' + userId + '/stats'); },
};

const ConsentApi = {
  status: function () { return apiGet('/api/v1/auth/consents').catch(function () { return { all_accepted: false, accepted: {} }; }); },
  accept: function (payload) { return apiPost('/api/v1/auth/consents', payload); },
};

const PlacesApi = {
  nearby: function (lat, lng, radius, limit) {
    limit = limit || 30;
    return apiGet('/api/v1/places/nearby?lat=' + lat + '&lng=' + lng + '&radius=' + (radius || 5) + '&limit=' + limit)
      .catch(function (e) { return { places: [], count: 0, error: e.message }; });
  },
};

window.API = {
  api: api, apiGet: apiGet, apiPost: apiPost, apiPut: apiPut, apiDelete: apiDelete,
  Auth: Auth, ChatApi: ChatApi, ReviewApi: ReviewApi, ConsentApi: ConsentApi, PlacesApi: PlacesApi,
  Store: Store,
};