/**
 * Independent time operation tool to facilitate subsequent switch to dayjs
 */
import dayjs from 'dayjs'

const DATE_TIME_FORMAT = 'YYYY-MM-DD HH:mm:ss'
const DATE_FORMAT = 'YYYY-MM-DD'

export function formatToDateTime(date?: dayjs.ConfigType, format = DATE_TIME_FORMAT): string {
  return dayjs(date).format(format)
}

export function formatToDate(date?: dayjs.ConfigType, format = DATE_FORMAT): string {
  return dayjs(date).format(format)
}

export function beginOfDay(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate())
}

export function endOfDay(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate(), 23, 59, 59, 999)
}

export function betweenDay(date1, date2) {
  date1 = convertDate(date1)
  date2 = convertDate(date2)
  // 计算差值
  return Math.floor((date2.getTime() - date1.getTime()) / (24 * 3600 * 1000))
}

export function formatDate(date, fmt) {
  date = convertDate(date)
  const o = {
    'M+': date.getMonth() + 1, //月份
    'd+': date.getDate(), //日
    'H+': date.getHours(), //小时
    'm+': date.getMinutes(), //分
    's+': date.getSeconds(), //秒
    'q+': Math.floor((date.getMonth() + 3) / 3), //季度
    S: date.getMilliseconds() //毫秒
  }
  if (/(y+)/.test(fmt)) {
    // 年份
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
  }
  for (const k in o) {
    if (new RegExp('(' + k + ')').test(fmt)) {
      fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length))
    }
  }
  return fmt
}

export function addTime(date, time) {
  date = convertDate(date)
  return new Date(date.getTime() + time)
}

export function convertDate(date) {
  if (typeof date === 'string') {
    return new Date(date)
  }
  return date
}

export const dateUtil = dayjs