import { ref } from 'vue';

const isMaximized = ref(false);

let _api: any = null;
function api() {
  if (!_api) _api = (window as any).electron;
  return _api;
}

function checkMaximized() {
  const a = api();
  if (a) isMaximized.value = a.windowIsMaximized();
}

let _init = false;
function ensureInit() {
  if (_init) return;
  _init = true;
  const a = api();
  if (!a) return;
  checkMaximized();
  window.addEventListener('resize', checkMaximized);
  a.ipcRenderer?.on('window:maximize-change', (_e: any, v: boolean) => {
    isMaximized.value = v;
  });
}

export function useElectronWindow() {
  ensureInit();
  return {
    isElectron: !!api(),
    isMaximized,
    getVersion: () => api()?.getVersion() || '',
    winMinimize: () => api()?.windowMinimize(),
    winMaximize: () => {
      const a = api();
      if (!a) return;
      if (isMaximized.value) a.windowUnmaximize();
      else a.windowMaximize();
    },
    winClose: () => api()?.windowClose(),
  };
}