// ===============================
// state.js — Stato condiviso
// ===============================

// ---- STATO FOTO ----
let localPhotos = [];

// ---- LAST SYNC ----
function getLastSync() {
  return localStorage.getItem("lastSync");
}

function setLastSync(ts) {
  if (ts) localStorage.setItem("lastSync", ts);
}

// ---- FOTO: GET / SET ----
function getLocalPhotos() {
  return localPhotos;
}

function setLocalPhotos(photos) {
  localPhotos = Array.isArray(photos) ? photos : [];
  saveLocalState();
}

// ---- FOTO: ADD / REMOVE ----
function addPhotoLocal(photo) {
  if (!photo || !photo.id) return;

  // Evita duplicati
  localPhotos = localPhotos.filter(p => p.id !== photo.id);

  // Aggiungi la versione nuova
  localPhotos.push(photo);

  saveLocalState();
}

function removePhotoLocal(id) {
  const before = localPhotos.length;
  localPhotos = localPhotos.filter(p => p.id !== id);
  const after = localPhotos.length;

  console.log("[removePhotoLocal] id:", id, "prima:", before, "dopo:", after);
  saveLocalState();
}

// ---- LOCAL STORAGE CACHE ----
function saveLocalState() {
  try {
    localStorage.setItem("photosCache", JSON.stringify(localPhotos));
  } catch (e) {
    console.warn("saveLocalState error:", e);
  }
}

function loadLocalState() {
  try {
    const raw = localStorage.getItem("photosCache");
    if (!raw) return [];

    const arr = JSON.parse(raw);
    if (Array.isArray(arr)) {
      // Filtra eventuali soft delete rimaste
      localPhotos = arr.filter(p => !p.deleted_at);
      return localPhotos;
    }
  } catch (e) {
    console.warn("loadLocalState error:", e);
  }

  return [];
}

// ---- EXPORT ----
window.getLastSync = getLastSync;
window.setLastSync = setLastSync;
window.getLocalPhotos = getLocalPhotos;
window.setLocalPhotos = setLocalPhotos;
window.addPhotoLocal = addPhotoLocal;
window.removePhotoLocal = removePhotoLocal;
window.saveLocalState = saveLocalState;
window.loadLocalState = loadLocalState;