// The shell's shared mutable state — the seven bindings every part of the chat
// page reads (docs/shell-modules.md § The shellstate seam). This module OWNS
// them; everyone else imports them under these same names. ES-module live
// bindings make reads and property mutations (threadKeys[id] = k) work
// unchanged — only reassigning a WHOLE binding needs its setter, which is all
// the setters are: assignment, no logic. Shared *behaviour* does not belong
// here; helpers keep moving into their own modules.

export const embed = window.__lchatEmbed || null; // native-webview embed config, or null in a browser
// Feature gates the server stamps into the page as meta tags ("0" = off).
const gateMeta = (name) => ((document.querySelector(`meta[name="${name}"]`) || {}).content || "") !== "0";
export const ENABLE_AI = gateMeta("enable-ai");
export const ENABLE_BOTS = gateMeta("enable-bots");
export const ENABLE_APPS = gateMeta("enable-apps");
export const ENABLE_MEMBER_APPS = gateMeta("enable-member-apps");
// The places-UI experiment gate — OFF by default, and deliberately NOT a
// server gate: it hides the multi-place app surfaces (the focus-and-explain
// Apps sheet, the ＋ picker's places doorway, the space menu's directory)
// while the machinery underneath stays live for experiments. Flip it
// per-device from the console: localStorage.lchat_places_ui = "1" (remove or
// set anything else to turn back off, then reload). With it off, tapping an
// app in the ＋ picker just opens/creates its personal copy, and a chat's
// ⋮ → Apps only adds shared copies to THAT chat. See docs/space-apps.md
// § The pullback.
export const PLACES_UI = (() => {
  try {
    return localStorage.getItem("lchat_places_ui") === "1";
  } catch {
    return false;
  }
})();
export let session = null; // { token, name } — set at boot (embed or localStorage)
export let roster = []; // [{user_id, label, public_key}]
export let myUserId = "";
export let threads = []; // server Thread objects (id, kind, name_blob, members, wrapped)
export let threadKeys = {}; // thread id -> CryptoKey
export let activeId = null; // the open thread's id, or null
export let ws = null; // the live WebSocket, or null between connects
export let nicknames = {}; // uid -> the name I call them (per-viewer names, #577)
export let threadName = {}; // thread id -> decrypted display name
export let instanceKey = null; // the all-members AES key (profile photos), or null until granted
export let instanceKeyB64 = null;
export let threadKeyB64 = {}; // thread id -> raw key (base64url), to wrap for new members
export let unread = {}; // thread id -> bool
export let hidden = {}; // thread id -> bool: closed (hidden from the list), synced from the server
export let dmClosed = {}; // thread id -> bool: DM ended by either party (server-enforced)
export let pinned = {}; // thread id -> bool: pinned to the top of the list, synced from the server
export let muted = {}; // thread id -> bool: muted (no notifications), synced from the server
export let sealedBranding = null; // decrypted {name, description, admin_name, admin_email, avatar_alt, avatar_mime}
export let brandingB = null; // the short branding key (lowercase base32)
export let threadApp = {}; // thread id -> mini-app name, for a kind=="self" app-thread
export let tiers = []; // /api/tiers rows, personalised to this user
export let tierKeys = {}; // tier id -> CryptoKey
export let tierKeyB64 = {}; // tier id -> raw base64url (kept to wrap for others)
export let pendingJoinThread = null; // the DM a fresh invite created — the welcome conversation offers it at the end
export const ACTIVE_KEY = "lchat_active"; // last-open thread id, so a refresh lands back in it
export const MAX_UPLOAD = 25 * 1024 * 1024; // matches the default upload cap (main.go)

export function setSession(v) { session = v; }
export function setRoster(v) { roster = v; }
export function setMyUserId(v) { myUserId = v; }
export function setThreads(v) { threads = v; }
export function setThreadKeys(v) { threadKeys = v; }
export function setActiveId(v) { activeId = v; }
export function setWs(v) { ws = v; }
export function setTiers(v) { tiers = v; }
export function setPendingJoinThread(v) { pendingJoinThread = v; }
export function setSealedBranding(v) { sealedBranding = v; }
export function setBrandingB(v) { brandingB = v; }
export function setNicknames(v) { nicknames = v; }
export function setThreadName(v) { threadName = v; }
export function setInstanceKey(key, b64) { instanceKey = key; instanceKeyB64 = b64; }