/* ObsiGate — Module orchestrator (ES modules).
   Replaces the monolithic frontend/app.js IIFE.
   All code lives in frontend/js/*.js modules. */

import * as UI from './ui.js';
import * as Utils from './utils.js';
import { initI18n, t } from './i18n.js';

// Wire up AI toolbar toast (avoids circular import in utils.js)
window._obsigateShowToast = UI.showToast;
import * as Sidebar from './sidebar.js';
import * as Auth from './auth.js';
import * as Viewer from './viewer.js';
import * as Sync from './sync.js';
import { initGraphView } from './graph.js';
import * as Legacy from './legacy.js';
import { initCommandPalette } from './palette.js';
import { initMobileToolbar } from './mobile-toolbar.js';
import { initDragDrop } from './dragdrop.js';
import { initMermaid, setupFocusMode } from './mermaid-viewer.js';
import PaneManager from './pane-manager.js';

// =========================================================================
// Initialization — mirrors the original app.js init() ordering
// =========================================================================
async function init() {
  // 1. Init i18n FIRST — loads fallback (FR) + selected locale
  //    Server language check may fail (no auth yet), falls to localStorage
  //    LocalStorage has correct language if user set it previously
  await initI18n();

  // 2. Init auth — now t() works inside showApp()/renderUserMenu()
  const authOk = await Auth.AuthManager.initAuth();

  UI.initTheme();
  UI.initHeaderMenu();
  UI.initCustomDropdowns();

  document.getElementById("theme-toggle").addEventListener("click", UI.toggleTheme);
  document.getElementById("header-logo").addEventListener("click", Legacy.goHome);
  const refreshBtn = document.getElementById("header-refresh-btn");
  if (refreshBtn) refreshBtn.addEventListener("click", Legacy.goHome);

  Legacy.initSearch();
  UI.initSidebarToggle();
  UI.initMobile();
  Sidebar.initVaultContext();
  Legacy.initSidebarTabs();
  Legacy.initHelpModal();
  Legacy.initConfigModal();
  Legacy.initAboutModal();
  Sidebar.initSidebarFilter();
  UI.initSidebarResize();
  Utils.initEditor();
  Auth.initLoginForm();
  Legacy.initRecentTab();

  UI.RightSidebarManager.init();
  UI.FindInPageManager.init();
  UI.ContextMenuManager.init();
  UI.TabManager.init();
  PaneManager.init();
  initCommandPalette();
  initMobileToolbar();

  if (authOk) {
    Legacy.initSyncStatus();

    try {
      await Promise.all([Legacy.loadVaultSettings(), Sidebar.loadVaults(), Sidebar.loadTags()]);

      initDragDrop();

      Legacy.DashboardRecentWidget.init();

      const urlParams = new URLSearchParams(window.location.search);
      if (urlParams.get("popup") === "true") {
        document.body.classList.add("popup-mode");
      }

      if (window.location.hash && window.location.hash.startsWith("#file=")) {
        const hashVal = window.location.hash.substring(6);
        const sepIndex = hashVal.indexOf(":");
        if (sepIndex > -1) {
          const vault = decodeURIComponent(hashVal.substring(0, sepIndex));
          const path = decodeURIComponent(hashVal.substring(sepIndex + 1));
          Viewer.openFile(vault, path);
        }
      } else if (urlParams.get("popup") !== "true") {
        Legacy.showWelcome();
      }
    } catch (err) {
      console.error("Failed to initialize ObsiGate:", err);
      UI.showToast(t("error.initialization"), "error");
    }
  }

  initGraphView();
  initMermaid();
  setupFocusMode();
  Utils.safeCreateIcons();
}

document.addEventListener("DOMContentLoaded", () => {
  init();
  Sync.init();
});