package cn.com.iaspec.workflow.util;

import cn.com.iaspec.workflow.WorkflowConstant;
public class ConvertWorkitemDatetime{
  public ConvertWorkitemDatetime(){
  }

  /**
   * 將工作流引擎的“毫秒”時間轉化為“工作日”
   * @param date long
   * @return String
   */
  public static double getWorkDatetime(long date){
    int iTag=1;
    if(date==0){
      return 0;
    }
    else if(date<0){
      iTag=-1;
      date=Math.abs(date);
    }
    long l=date/1000;
    long pd=60*60*24;
    long ph=60*60;
    long d=l/pd;
    double h=0;
    if(d>0){
      h=((l%pd)*1.00)/(ph*WorkflowConstant.HOURS_PER_WORKDAY);
    }
    //四舍五入
    return iTag*(d+(Math.round(h*100)/100.00));
  }

  /**
   * 將格式為工作流引擎的“毫秒”時間轉化為“工作日”的毫秒時間
   * @param date long
   * @return String
   */
  public static long getLocalWorkDatetime(long date){
    int iTag=1;
    if(date==0){
      return 0;
    }
    else if(date<0){
      iTag=-1;
      date=Math.abs(date);
    }
    long l=date/1000;
    long pd=60*60*24;
    long d=l/pd;
    long h=l%pd;
    return iTag*(d*60*60*WorkflowConstant.HOURS_PER_WORKDAY+h)*1000;
  }

  /**
   * 將格式為“工作日”的毫秒時間轉化為工作日，單位為“工作日”。
   * @param date long
   * @return String
   */
  public static double getLocalWorkDatetimeToWorkDate(long date){
    int iTag=1;
    if(date==0){
      return 0;
    }
    else if(date<0){
      iTag=-1;
      date=Math.abs(date);
    }
    long l=date/1000;
    long pd=60*60*WorkflowConstant.HOURS_PER_WORKDAY;
    long ph=60*60;
    long d=l/pd;
    double h=0;
    if(d>0){
      h=((l%pd)*1.00)/(ph*WorkflowConstant.HOURS_PER_WORKDAY);
    }
    //四舍五入
    return iTag*(d+(Math.round(h*100)/100.00));
  }

  public static void main(String[] args){
    System.out.println("result is:"+getWorkDatetime(97800000));
    System.out.println("result2 is:"+getLocalWorkDatetime(97800000));
    System.out.println("result2 is:"+getLocalWorkDatetimeToWorkDate(-25200000));
  }
}