import { ElLoading } from 'element-plus';

let loading = null;
let loadingName = 'default';
let loadingStatus = false;
const hideLoading = (name = 'default') => {
  // 为了防止loading的一闪而过
  if (name === loadingName) {
    loadingStatus = false;
    loadingName = '';
    setTimeout(() => {
      loading.close();
    }, 500);
  }
};

/**
 * loading页面
 * @param params
 * @param other 其他参数, { timeout: 超时时间, text: 提示文字}
 */
const showLoading = (
  name = 'default',
  other = { timeout: 20, text: '数据加载中' },
) => {
  // 只允许一个loading出现
  if (loadingStatus) {
    return;
  }
  loadingStatus = true;
  loadingName = name;

  if (loading) {
    loading.close();
  }
  let options = {
    fullscreen: false,
    lock: true,
    text: other.text,
    spinner: 'el-icon-loading',
    // 添加类型，利于修改其样式
    customClass: 'create-isLoading',
    background: 'rgba(255, 255, 255, 0.9)',
  };
  const currentLoading = ElLoading.service(options);

  let num = 0;
  let timer = setInterval(() => {
    num += 1;
    if (num >= other.timeout) {
      clearInterval(timer);
      if (loading === currentLoading) {
        hideLoading(name);
      }
    }
  }, 1000);

  loading = currentLoading;
};
export { showLoading, hideLoading };