import mitt from 'mitt';

const bus = mitt();
export default bus;

//guid
export const guid = () => {
  const s4 = () =>
    Math.floor((1 + Math.random()) * 0x10000)
      .toString(16)
      .substring(1);
  return (() => `${s4() + s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`)();
};

/**
 *动态设置img Src 属性
 *@param {string} name:图片名
 */
export const getImg = (name) => {
  const path = `/src/assets/Imgs/${name}`;
  const modules = import.meta.globEager('/src/assets/Imgs/*'); //批量导入静态资源
  return modules[path].default;
};
/**
 *动态设置img Src 属性
 *@param {string} name:图片名
 */
export const getLayerImg = (name) => {
  const path = `/src/assets/newImgs/layerIcon/${name}`;
  const modules = import.meta.globEager('/src/assets/newImgs/layerIcon/*'); //批量导入静态资源
  return modules[path].default;
};
/**
 *动态设置img Src 属性
 *@param {string} name:图片名
 */
export const getWeatherImg = (name) => {
  const path = `/src/assets/newImgs/weather/${name}`;
  const modules = import.meta.globEager('/src/assets/newImgs/weather/*'); //批量导入静态资源
  return modules[path].default;
};
/**
 *动态设置img Src 属性
 *@param {string} name:图片名
 */
export const getImageUrlForPublic = (name) => {
  return new URL(`../assets/imgs/${name}.png`, import.meta.url).href;
};

/**
 * render 图标
 * */
export function renderIcon(icon) {
  return () =>
    h(NIcon, null, {
      default: () => h(icon),
    });
}

/**
 * 时间格式化
 * @param {*} time
 */
export function formatDate(time = +new Date(), dateType = 'YYYY-MM-DD hh:mm:ss') {
  const timeStamp = +new Date(time);
  // 如果转换成数字出错
  if (!timeStamp) {
    return time;
  }
  let str;
  // 得到时间字符串
  const dateStr = new Date(timeStamp);
  str = dateType.replace('YYYY', dateStr.getFullYear());
  str = str.replace('MM', (dateStr.getMonth() + 1 < 10 ? '0' : '') + (dateStr.getMonth() + 1));
  str = str.replace('DD', (dateStr.getDate() < 10 ? '0' : '') + dateStr.getDate());
  str = str.replace('hh', (dateStr.getHours() < 10 ? '0' : '') + dateStr.getHours());
  str = str.replace('mm', (dateStr.getMinutes() < 10 ? '0' : '') + dateStr.getMinutes());
  str = str.replace('ss', (dateStr.getSeconds() < 10 ? '0' : '') + dateStr.getSeconds());

  return str;
}
/**
 * 表单重置
 * @param {*} formObj 表单数据
 *
 */
export function resetForm(formObj) {
  let obj = Object.keys(formObj).forEach((key) => (formObj[key] = null));
  return obj;
}
/**
 * 下载 blob 流数据
 * @param {*} data 流数据
 * @param {*} fileName
 */
export function downloadBlob(data, fileName) {
  // 1.解析 blob 数据 生成 url
  const blob = new Blob([data], {
    type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8',
  });
  const url = window.URL.createObjectURL(blob);
  // 2.创建下载链接+自动下载
  const link = document.createElement('a');
  link.href = url;
  link.download = fileName;
  document.body.appendChild(link);
  link.click();
  window.URL.revokeObjectURL(link);
}