import { Modal } from 'ant-design-vue';
import { initCellLocalPathFromServer } from '@jeesite/core/utils/cell/cellLocalInit';
import { getCellLocalPath } from '@jeesite/core/utils/cell/cellLocal';
import { hydratePersistedCaseGlobalConfig } from '@jeesite/core/utils/caseGlobalConfig';
import { initOfflineMapDirFromServer } from '@jeesite/core/utils/map/offlineMapInit';
import { getOfflineMapDir } from '@jeesite/core/utils/map/offlineMap';

export const OPEN_SETTING_DRAWER_EVENT = 'layout-setting:open-drawer';
export const OPEN_OFFLINE_MAP_MODAL_EVENT = 'layout-setting:open-offline-map-modal';
export const OPEN_CELL_LOCAL_MODAL_EVENT = 'layout-setting:open-cell-local-modal';

const GUIDE_MODAL_DELAY = 180;
let globalCaseConfigInitPromise: Promise<void> | null = null;
let hasPromptedGlobalCaseConfigGuide = false;

function dispatchGuideEvent(eventName: string) {
  if (typeof window === 'undefined') return;
  window.dispatchEvent(new CustomEvent(eventName));
}

export function openSettingDrawerByGuide() {
  dispatchGuideEvent(OPEN_SETTING_DRAWER_EVENT);
}

export function openOfflineMapModalByGuide() {
  openSettingDrawerByGuide();
  window.setTimeout(() => {
    dispatchGuideEvent(OPEN_OFFLINE_MAP_MODAL_EVENT);
  }, GUIDE_MODAL_DELAY);
}

export function openCellLocalModalByGuide() {
  openSettingDrawerByGuide();
  window.setTimeout(() => {
    dispatchGuideEvent(OPEN_CELL_LOCAL_MODAL_EVENT);
  }, GUIDE_MODAL_DELAY);
}

export function initGlobalCaseConfig() {
  if (!globalCaseConfigInitPromise) {
    globalCaseConfigInitPromise = hydratePersistedCaseGlobalConfig()
      .catch(() => undefined)
      .then(() => Promise.all([initOfflineMapDirFromServer(), initCellLocalPathFromServer()]))
      .then(() => undefined)
      .catch(() => undefined);
  }
  return globalCaseConfigInitPromise;
}

export function resetCaseConfigGuideState() {
  globalCaseConfigInitPromise = null;
  hasPromptedGlobalCaseConfigGuide = false;
}

export function promptCaseConfigGuide() {
  if (typeof window === 'undefined') return false;

  const missingOfflineMap = !getOfflineMapDir();
  const missingCellLocal = !getCellLocalPath();

  if (!missingOfflineMap && !missingCellLocal) {
    return false;
  }

  const missingItems = [missingOfflineMap ? '离线地图文件' : '', missingCellLocal ? '基站包文件' : ''].filter(Boolean);
  const content = `当前系统还未配置${missingItems.join('、')}。`;

  Modal.confirm({
    title: '全局配置提醒',
    content,
    centered: true,
    okText: '去配置',
    cancelText: '稍后',
    onOk: () => {
      if (missingOfflineMap) {
        openOfflineMapModalByGuide();
        return;
      }
      openCellLocalModalByGuide();
    },
  });

  return true;
}

export async function promptCaseConfigGuideOnce() {
  if (typeof window === 'undefined' || hasPromptedGlobalCaseConfigGuide) {
    return false;
  }

  hasPromptedGlobalCaseConfigGuide = true;
  await initGlobalCaseConfig();
  return promptCaseConfigGuide();
}