import { DisplayTimeType, TimeConver, UnitType } from './interface'
/**
 * 
 * @param initTime 初始时间 默认是分钟
 * @param unit 初始单位
 * @param type 要转换的时间格式 "hh:mm:ss" | "hh:mm" | "mm:ss" | 'hh' | "mm" | "ss"
 * @returns 
 */
export const getSeconds = (initTime: number, unit: string) => {
  let ss: number = 0;
  switch (unit) {
    case 'h':
      ss = initTime * 60 * 60;
      break;
    case 'min':
      ss = initTime * 60;
      break;
    case 's':
      ss = initTime
      break;
    default:
      break;
  }
  return ss
}

export const getDisplayTime = (timeConver: TimeConver, unit: UnitType) => {
  let type = '';
  const { hoursFlag, minutesFlag, secondsFlag } = timeConver;
  if (hoursFlag) {
    type = 'h';
  }
  if (minutesFlag) {
    type += 'min';
  }
  if (secondsFlag) {
    type += 's';
  }
  if (type === '') {
    type = unit
  }
  return type
}

export const formatTime = (initTime: number, unit: UnitType, timeConver: TimeConver) => {
  if (initTime === undefined) return '';
  const initSecond = getSeconds(initTime, unit);
  const displayTimeType = getDisplayTime(timeConver, unit);
  let res = '';
  let hour: number = 0;
  let mins: number = 0;
  let secs: number = 0;

  switch (displayTimeType) {
    case 'h':
      res = `${Math.round(initSecond / 3600 * 100) / 100}小时`;
      break;
    case 'min':
      res = `${Math.round(initSecond / 60 * 100) / 100}分钟`;
      break;
    case 's':
      res = `${initSecond}秒`;
      break;
    case 'mins':
      mins = Math.floor(initSecond / 60);
      secs = initSecond % 60;
      res = mins + '分' + secs + '秒';
      break;
    case 'hmins':
      hour = Math.floor(initSecond / 3600);
      mins = Math.floor(initSecond % 3600 / 60);
      secs = initSecond % 3600 % 60;
      res = hour + "时" + mins + '分' + secs + '秒';
      break;
    case 'hmin':
      hour = Math.floor(initSecond / 3600);
      mins = Math.round(initSecond % 3600 / 60 * 100) / 100;
      res = hour + "时" + mins + '分';
      break;
    default:
      break;
  }
  return res;
}