// ======================================================
//  API CORE REQUEST
// ======================================================
async function apiRequest(method, path, body = null) {

  if (!Admin.BASE_URL) {
    console.error("BASE_URL non ancora inizializzato");
    throw new Error("BASE_URL non inizializzato");
  }

  const options = {
    method,
    headers: {
      "Authorization": "Bearer " + Admin.token,
      "Content-Type": "application/json"
    }
  };

  if (body) {
    options.body = JSON.stringify(body);
  }

  const res = await fetch(`${Admin.BASE_URL}${path}`, options);
  if (!res.ok) {
    const text = await res.text();
    throw new Error(`Errore API ${res.status}: ${text}`);
  }

  return res.json();
}



// ======================================================
//  API GET / POST / DELETE
// ======================================================
function apiGet(path) {
  return apiRequest("GET", path);
}

function apiPost(path, body = null) {
  return apiRequest("POST", path, body);
}

function apiDelete(path) {
  return apiRequest("DELETE", path);
}



// ======================================================
//  ENDPOINT DINAMICO (photos / activities)
// ======================================================
function apiBase(mode) {
  return mode === "activities" ? "/activities" : "/photos";
}



// ======================================================
//  UTILITY: LEGGI DATA/ORA DAL CAMPO SINCE (foto)
// ======================================================
function getSinceISO() {
  const el = document.getElementById("sinceInput");
  if (!el || !el.value) return null;
  return new Date(el.value).toISOString();
}

// ======================================================
//  UTILITY: LEGGI DATA/ORA DAL CAMPO SINCE (attività)
// ======================================================
function getSinceISOActivities() {
  const el = document.getElementById("sinceInputActivities");
  if (!el || !el.value) return null;
  return new Date(el.value).toISOString();
}



// ======================================================
//  FOTO — GET DB CHANGES
// ======================================================
async function getDBChanges(since, user) {
  return apiGet(`${apiBase("photos")}/changes?since=${encodeURIComponent(since)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
//  FOTO — GET HARD DELETED
// ======================================================
async function getHardDeleted(since, user) {
  return apiGet(`${apiBase("photos")}/deleted_hard?since=${encodeURIComponent(since)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
//  ATTIVITÀ — GET DB CHANGES
// ======================================================
async function getActivitiesChanges(since, user) {
  return apiGet(`${apiBase("activities")}/changes?since=${encodeURIComponent(since)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
//  ATTIVITÀ — GET HARD DELETED
// ======================================================
async function getActivitiesHardDeleted(since, user) {
  return apiGet(`${apiBase("activities")}/deleted_hard?since=${encodeURIComponent(since)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
//  FOTO — GET BY ID
// ======================================================
async function getPhotoById(id, user) {
  return apiGet(`${apiBase("photos")}/byIds?id=${encodeURIComponent(id)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
//  ATTIVITÀ — GET BY ID
// ======================================================
async function getActivityById(id, user) {
  return apiGet(`${apiBase("activities")}/byIds?id=${encodeURIComponent(id)}&user=${encodeURIComponent(user)}`);
}



// ======================================================
// EXPORT
// ======================================================
window.AdminAPI = {
  apiGet,
  apiPost,
  apiDelete,

  getSinceISO,
  getSinceISOActivities,

  getDBChanges,
  getHardDeleted,

  getActivitiesChanges,
  getActivitiesHardDeleted,

  getPhotoById,
  getActivityById
};