import { formatDate, formatNumber } from '@/utils/common'
// 拼接 预约时间 picker
export function getAppointFun (time) {
  let arr = []
  // 当天剩余时间段
  let obj = getCurrentDatePicker(time)
  arr.push(obj)
  // 后六天的可选时间段
  let tempArr = getAfterTimeList()
  arr.push(...tempArr)
  return arr
}

// 拼接 当天剩余的可预约时间段（默认第一个是两小时之后可选）
const getCurrentDatePicker = time => {
  let obj = {}
  obj.text = formatDate(time);
  let timeArr = getCurrentTimeList()
  obj.children = timeArr
  return obj
}

// 当天日期的时间段
const getCurrentTimeList = () => {
  let todayDate = new Date()
  let tempArr = []
  tempArr.push({ text: '尽快到' });    // 首先添加尽快到
  if( todayDate.getMinutes() <= 30 && todayDate.getMinutes() > 0 ) {
    let tempVal = todayDate.getHours() + 2;
    let tempHalfHours =  formatNumber(tempVal) + ':30';
    tempArr.push({ text: tempHalfHours });
  }
  let startFlag = (todayDate.getMinutes() == 0) ? (todayDate.getHours() + 2) : (todayDate.getHours() + 3)
  tempArr = getDateTimeList(startFlag, tempArr)
  return tempArr
}

// 获取后六天的 预约时间 picker
const getAfterTimeList = () => {
  let afterArr = []
  for(let i = 1; i < 7; i++ ) {
    let obj = {};
    let tempTime = formatDate(new Date().getTime() + (i * 24* 60 * 60 * 1000))
    obj.text = tempTime
    let timeArr = []
    obj.children = getDateTimeList(0, timeArr)
    afterArr.push(obj)
  }
  return afterArr
}

// 获取某个时间段后的所有可选时段
const getDateTimeList = (startHours = 0, list) => {
  for(let i = startHours; i < 24; i++ ) {
    list.push({ text: formatNumber(i) + ':' + '00' })
    list.push({ text: formatNumber(i) + ':' + '30' })
  }
  return list
}