package com.moral.common.util;

import com.moral.entity.charts.TimePeriod;
import com.moral.entity.charts.TimeUnits;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

public class ReportTimeFormat {
       public static String toMySqlTimeFormat(TimeUnits timeUnits){
           switch (timeUnits){
               case YEAR: return "%Y";
               case MONTH: return "%Y-%m";
               case DAY: return "%Y-%m-%d";
               case HOUR: return "%Y-%m-%d/%H";
               case MINUTE:return "%Y-%m-%d/%H:%i";
           }
           return "%Y-%m-%d%H:%i:%s";
       }
       public static String toMySqlActualTimeFormat(TimeUnits timeUnits){
           switch (timeUnits){
               case YEAR: return "%Y";
               case MONTH: return "%m";
               case DAY: return "%d";
               case HOUR: return "%H";
               case MINUTE:return "%i";
           }
           return "%s";
       }
       public static List<String> makeTimeList(TimePeriod timePeriod){
           Calendar start = Calendar.getInstance();
           start.setTime(timePeriod.getStartTime());
           Calendar end = Calendar.getInstance();
           end.setTime(timePeriod.getEndTime());
           List<String> timeList = new ArrayList<>();
           String formatStyle = "";
           int timeUnit = 0;
           switch (timePeriod.getTimeUnits()){
               case YEAR: formatStyle ="yyyy";
                   timeUnit = Calendar.YEAR;break;
               case MONTH: formatStyle ="yyyy-MM";
                   timeUnit = Calendar.MONTH;break;
               case DAY: formatStyle ="yyyy-MM-dd";
                   timeUnit = Calendar.DAY_OF_YEAR;break;
               case HOUR: formatStyle ="yyyy-MM-dd/HH";
                   timeUnit = Calendar.HOUR;break;
               case MINUTE: formatStyle ="yyyy-MM-dd/HH:mm";
                   timeUnit = Calendar.MINUTE;break;
           }
           do{
               String time = dateToString(start.getTime(),formatStyle);
               timeList.add(time);
               start.add(timeUnit,1);
           }
           while (start.getTimeInMillis()<end.getTimeInMillis());
           return timeList;
       }
     /**"yyyy-MM-dd hh:mm:ss"
     * 把指定的date类型时间转换为指定格式的字符串
     * @param date
     * @return
     */
    private static String dateToString(Date date,String formatStyle) {
        SimpleDateFormat format = new SimpleDateFormat(formatStyle);
        String dateFormat = format.format(date);
        return dateFormat;
    }

}