package chaoer.zerolif.buyer.community_life.dry_cleaning.utils;


import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.TimeZone;


/**
 * @author 李堂飛 20160822
 * 安卓中獲取日期的工具類：
今天專案中用到自己獲取日期，自己寫了一個獲取時間的工具類，分享出來：
包括獲取 1 當前年月日 2 當前是周幾  3、根據日期獲取是周幾 4、獲取7天的日期 5、獲取當天往後的一週
 */
public class DateUtils {


private static String mYear; // 當前年
private static String mMonth; // 月
private static String mDay;
private static String mWay;


/**
* 獲取當前日期幾月幾號
*/
public static String getDateString() {


final Calendar c = Calendar.getInstance();
c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
mMonth = String.valueOf(c.get(Calendar.MONTH) + 1);// 獲取當前月份
mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH));// 獲取當前月份的日期號碼
if(Integer.parseInt(mDay) > MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(Integer.parseInt(mMonth)))){
mDay = String.valueOf(MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(Integer.parseInt(mMonth))));
}
return mMonth + "月" + mDay + "日";
}


/**
* 獲取當前年月日
* 
* @return
*/
public static String StringData() {


final Calendar c = Calendar.getInstance();
c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
mYear = String.valueOf(c.get(Calendar.YEAR));// 獲取當前年份
mMonth = String.valueOf(c.get(Calendar.MONTH) + 1);// 獲取當前月份
mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH));// 獲取當前月份的日期號碼
if(Integer.parseInt(mDay) > MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(Integer.parseInt(mMonth)))){
mDay = String.valueOf(MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(Integer.parseInt(mMonth))));
}
return mYear + "-" + (mMonth.length()==1?"0"+mMonth:mMonth) + "-" + (mDay.length()==1?"0"+mDay:mDay);
}


/**
* 根據當前日期獲得是星期幾
* 
* @return
*/
public static String getWeek(String time) {
String Week = "";


SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
try {


c.setTime(format.parse(time));


} catch (ParseException e) {
e.printStackTrace();
}
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
Week += "周天";
}
if (c.get(Calendar.DAY_OF_WEEK) == 2) {
Week += "週一";
}
if (c.get(Calendar.DAY_OF_WEEK) == 3) {
Week += "週二";
}
if (c.get(Calendar.DAY_OF_WEEK) == 4) {
Week += "週三";
}
if (c.get(Calendar.DAY_OF_WEEK) == 5) {
Week += "週四";
}
if (c.get(Calendar.DAY_OF_WEEK) == 6) {
Week += "週五";
}
if (c.get(Calendar.DAY_OF_WEEK) == 7) {
Week += "週六";
}
return Week;
}


/**
* 獲取今天往後一週的日期（幾月幾號）
*/
public static List<String> getSevendate() {
List<String> dates = new ArrayList<String>();
final Calendar c = Calendar.getInstance();
c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));


for (int i = 0; i < 7; i++) {
mYear = String.valueOf(c.get(Calendar.YEAR));// 獲取當前年份
mMonth = String.valueOf(c.get(Calendar.MONTH) + 1);// 獲取當前月份
mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH) + i);// 獲取當前日份的日期號碼
if(Integer.parseInt(mDay) > MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(i+1))){
mDay = String.valueOf(MaxDayFromDay_OF_MONTH(Integer.parseInt(mYear),(i+1)));
}
String date = mMonth + "月" + mDay + "日";
dates.add(date);
}
return dates;
}


/**
* 獲取今天往後一週的集合
*/
public static List<String> get7week() {
String week = "";
List<String> weeksList = new ArrayList<String>();
List<String> dateList = get7date();
for (String s : dateList) {
if (s.equals(StringData())) {
week = "今天";
} else {
week = getWeek(s);
}
weeksList.add(week);
}
return weeksList;
}


public static List<String> get7date() {
List<String> dates = new ArrayList<String>();
final Calendar c = Calendar.getInstance();
c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
java.text.SimpleDateFormat sim = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
String date = sim.format(c.getTime());
dates.add(date);
for (int i = 0; i < 6; i++) {
c.add(java.util.Calendar.DAY_OF_MONTH, 1);
date = sim.format(c.getTime());
dates.add(date);
}
return dates;
}

/**得到當年當月的最大日期**/
public static int MaxDayFromDay_OF_MONTH(int year,int month){
Calendar time=Calendar.getInstance();     
time.clear();     
time.set(Calendar.YEAR,year);     
time.set(Calendar.MONTH,month-1);//注意,Calendar物件預設一月為0                 
int day=time.getActualMaximum(Calendar.DAY_OF_MONTH);//本月份的天數
return day;
}
}