package com.test.task;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component("myTask")
public class myTask {
	
	@Scheduled(cron = "0 0 * * * ?") //每小时执行一次
	public void firstTime() throws Exception {
		
		Calendar calendar = Calendar.getInstance();
		Date currentStartTime = calendar.getTime();
		
		if(isWorkday(currentStartTime)){
			
			List<Map<String,Object>> data = testData();  //测试数据
			for(Map<String,Object> map : data){
				map.put("state", "1");
				update(map); //更新操作
			}
			
		}
	}
	
	/**
	 * 计算是否超过h小时
	 */
	private boolean overtime(Date oldDate, int h){
		
		long maxSeconds = h * 60 * 60; //秒数
		
		Calendar calendar = Calendar.getInstance();
		Date today = calendar.getTime();
		long now = calendar.getTimeInMillis()/1000;
		
		calendar.clear();
		calendar.setTime(oldDate);
		long old = calendar.getTimeInMillis()/1000;
		
		int num = countPlayday(oldDate,today); //计算期间休息的天数
		int playdaySeconds = num * 24 * 60 * 60; //休息天总秒数
		
		//公式: 现在日期转换总分钟数 - 过去日期转换总分钟数 - 此期间休息天的分钟数 >= 参数h小时的分钟数
		if(now/60 - old/60 - playdaySeconds/60 >= maxSeconds/60){ //精确到分,如果精确到秒去掉除60
			return true;
		}
		return false;
	}
	
	/**
	 * 判断是否是工作日
	 * true:工作日   false:休息日
	 * 与"休息日列表"有关,该列表所示日期区间必须涵盖本参数date
	 * @param date
	 */
	private boolean isWorkday(Date date){
		
		String yyyyMMdd = new SimpleDateFormat("yyyyMMdd").format(date);
		
		return !playdayCalendar().contains(yyyyMMdd);
	}
	
	/**
	 * 计算时间段内有几天休息天
	 * 与"休息日列表"有关,该列表必须涵盖此时间段 begin ~ end
	 * @param begin
	 * @param end
	 */
	private int countPlayday(Date begin, Date end){
		
		int num = 0;
		
		Calendar calendar = Calendar.getInstance();
		calendar.clear();
		
		calendar.setTime(begin);
		long beginMillis = calendar.getTimeInMillis();
		
		calendar.setTime(end);
		long endMillis = calendar.getTimeInMillis();
		
		if(beginMillis <= endMillis){
			
			long millis = beginMillis;
			long onedayMillis = 24 * 60 * 60 * 1000; //1天的毫秒数
			
			while(true){
				
				calendar.setTimeInMillis(millis);
				if(!isWorkday(calendar.getTime())){ //非工作日
					num ++;
				}
				
				millis = millis + onedayMillis;  //下一天
				if(millis/(60*1000) > endMillis/(60*1000)){ //精确到分
					break;
				}
			}
		}
		return num;
	}
	
	/**
	 * 休息日列表,按月份列出
	 * 格式:yyyyMMdd
	 */
	private List<String> playdayCalendar(){
		String[] playdays = 
		{
			/**三月*/
			"20150301",
			"20150307","20150308","20150314","20150315",
			"20150321","20150322","20150328","20150329",
			/**四月*/
			"20150404","20150405","20150406",
			"20150411","20150412","20150418","20150419",
			"20150425","20150426",
			/**五月*/
			"20150501","20150502","20150503",
			"20150509","20150510","20150516","20150517",
			"20150523","20150524","20150530","20150531",
			/**六月*/
			"20150606","20150607","20150613","20150614",
			"20150620","20150621","20150622",
			"20150627","20150628"
		};
		
		return Arrays.asList(playdays);
	}
	
	/**
	 * 对象转Integer 
	 */
	private Integer parseInt(Object obj){
		try {
			return Integer.parseInt(obj.toString());
		} catch (Exception e) {
			return -100;
		}
	}
	
	//=========下面测试方法=====================================
	
	private String format(Date date){
		SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
		return df.format(date); 
	}
	
	private Date parse(String str){
		Date date = null;
		SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		try {
			date = df.parse(str);
		} catch (ParseException e) {
		}
		return date;
	}
	
	private int update(Map<String,Object> map){ //模拟更新
		return 1;
	}
	
	private List<Map<String,Object>> testData(){ //模拟数据
		List<Map<String,Object>> list = new ArrayList<Map<String,Object>>();
		Map<String,Object> map = new HashMap<String,Object>();
		for(int i=0;i<10;i++){
			map = new HashMap<String,Object>();
			list.add(map);
		}
		return list;
	}
	
	public static void main(String[] args) {
		myTask t = new myTask();
//		System.out.println(t.format(new Date()));
//		System.out.println(t.parse("2015-3-10 12:12:59"));
		
		Calendar calendar = Calendar.getInstance();
//		calendar.set(calendar.HOUR_OF_DAY, 17);
		System.out.println(t.format(calendar.getTime()));
		
		calendar.set(calendar.MONTH, 3); //4月份
		calendar.set(calendar.DAY_OF_MONTH, 25);
		
//		System.out.println(t.overtime(calendar.getTime(), 24));;
//		System.out.println(t.isWorkday(calendar.getTime()));;
		
		System.out.println(t.countPlayday(new Date(),calendar.getTime()));
		
	}
	
}