// Pinia replacement for the parts of legacy henza_admin/src/store/state.js +
// mutations.js that the app shell actually uses: window width, scroll position,
// and the active theme. The Vuexy customizer state (sidebar width, theme tour,
// footer type, ...) is carried in themeConfig.ts instead, as in legacy.
import { defineStore } from 'pinia';
import themeConfig, { type ThemeMode } from '../themeConfig';

const SIDEBAR_COLLAPSED_KEY = 'admin-panel:sidebarCollapsed';

/** Reads the persisted collapse state, falling back to themeConfig's default
 *  when localStorage is unavailable or has never been set. */
function readPersistedCollapsed(): boolean {
  if (typeof window === 'undefined') return themeConfig.sidebarCollapsed;
  try {
    const raw = window.localStorage.getItem(SIDEBAR_COLLAPSED_KEY);
    return raw === null ? themeConfig.sidebarCollapsed : raw === '1';
  } catch {
    return themeConfig.sidebarCollapsed;
  }
}

export const useLayoutStore = defineStore('layout', {
  state: () => ({
    windowWidth: typeof window !== 'undefined' ? window.innerWidth : 0,
    scrollY: 0,
    theme: themeConfig.theme as ThemeMode,
    // legacy state.js: sidebar visibility for the vertical nav menu
    isSidebarActive: true,
    sidebarCollapsed: readPersistedCollapsed(),
  }),
  getters: {
    // legacy used breakpoints of 1200 (theme tour) and 992 (nav menu collapse)
    isSmallScreen: (s) => s.windowWidth < 992,
  },
  actions: {
    // legacy mutation: UPDATE_WINDOW_WIDTH
    updateWindowWidth(width: number) {
      this.windowWidth = width;
    },
    // legacy mutation: UPDATE_WINDOW_SCROLL_Y
    updateWindowScrollY(y: number) {
      this.scrollY = y;
    },
    toggleSidebar(value?: boolean) {
      this.isSidebarActive = value ?? !this.isSidebarActive;
    },
    setSidebarCollapsed(value: boolean) {
      this.sidebarCollapsed = value;
      if (typeof window === 'undefined') return;
      try {
        window.localStorage.setItem(SIDEBAR_COLLAPSED_KEY, value ? '1' : '0');
      } catch {
        // localStorage unavailable (private mode, disabled site data, ...) —
        // collapse state just won't persist across reloads.
      }
    },
  },
});