const formatTime = (date) => {
  const year = date.getFullYear();
  const month = date.getMonth() + 1;
  const day = date.getDate();
  const hour = date.getHours();
  const minute = date.getMinutes();
  const second = date.getSeconds();

  return (
    [year, month, day].map(formatNumber).join("/") +
    " " +
    [hour, minute, second].map(formatNumber).join(":")
  );
};
const formatNumber = (n) => {
  n = n.toString();
  return n[1] ? n : "0" + n;
};

// 用法 timeStr('YYYY-MM-DD hh:mm:ss') => '2018-3-22 12:12:12'
// 用法 timeStr('hh:mm:ss') => '12:12:12'
// 也可使用第二参数格式化指定时间
// timeStr('YYYY-MM-DD hh:mm:ss', '2018-3-22 12:12:12') => '2018-3-22 12:12:12'
export function timeStr(time, type = "YYYY-MM-DD hh:mm") {
  let data = time ? new Date(time - 0) : new Date();
  let year = data.getFullYear();
  let month =
    data.getMonth() + 1 >= 10
      ? data.getMonth() + 1
      : "0" + (data.getMonth() + 1);
  let day =
    data.getDate() >= 10 ? data.getDate().toString() : "0" + data.getDate();
  let hour =
    data.getHours() >= 10 ? data.getHours().toString() : "0" + data.getHours();
  let minutes =
    data.getMinutes() >= 10
      ? data.getMinutes().toString()
      : "0" + data.getMinutes();
  let seconds =
    data.getSeconds() >= 10
      ? data.getSeconds().toString()
      : "0" + data.getSeconds();
  return type
    .replace("YYYY", year)
    .replace("MM", month)
    .replace("DD", day)
    .replace("hh", hour)
    .replace("mm", minutes)
    .replace("ss", seconds);
}

module.exports = {
  formatTime: formatTime,
  timeStr,
};