package com.panzhihua.common.utlis;

import cn.hutool.core.util.IdcardUtil;
import com.panzhihua.common.constants.Constants;

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

/**
 * Created by qing on 2017/3/28.
 */
public class AgeUtils {
    // 根据年月日计算年龄,birthTimeString:"1994-11-14"
    public static int getAgeFromBirthTime(String birthTimeString) {
        // 先截取到字符串中的年、月、日
        int selectYear = Integer.parseInt(birthTimeString.substring(0, 4));
        int selectMonth = Integer.parseInt(birthTimeString.substring(4, 6));
        int selectDay = Integer.parseInt(birthTimeString.substring(6, 8));
        // 得到当前时间的年、月、日
        Calendar cal = Calendar.getInstance();
        int yearNow = cal.get(Calendar.YEAR);
        int monthNow = cal.get(Calendar.MONTH) + 1;
        int dayNow = cal.get(Calendar.DATE);

        // 用当前年月日减去生日年月日
        int yearMinus = yearNow - selectYear;
        int monthMinus = monthNow - selectMonth;
        int dayMinus = dayNow - selectDay;

        int age = yearMinus;// 先大致赋值
        if (yearMinus < 0) {// 选了未来的年份
            age = 0;
        } else if (yearMinus == 0) {// 同年的，要么为1，要么为0
            if (monthMinus < 0) {// 选了未来的月份
                age = 0;
            } else if (monthMinus == 0) {// 同月份的
                if (dayMinus < 0) {// 选了未来的日期
                    age = 0;
                } else if (dayMinus >= 0) {
                    age = 1;
                }
            } else if (monthMinus > 0) {
                age = 1;
            }
        } else if (yearMinus > 0) {
            if (monthMinus < 0) {// 当前月>生日月
            } else if (monthMinus == 0) {// 同月份的，再根据日期计算年龄
                if (dayMinus < 0) {
                } else if (dayMinus >= 0) {
                    age = age + 1;
                }
            } else if (monthMinus > 0) {
                age = age + 1;
            }
        }
        return age;
    }

    // 根据时间戳计算年龄
    public static int getAgeFromBirthTime(long birthTimeLong) {
        Date date = new Date(birthTimeLong * 1000l);
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        String birthTimeString = format.format(date);
        return getAgeFromBirthTime(birthTimeString);
    }

    public static String getAgeFormatBirthday(String brithday) {
        if (StringUtils.isEmpty(brithday)) {
            return "";
        }
        String year = brithday.substring(0, 4);
        String month = brithday.substring(4, 6);
        String ri = brithday.substring(6, 8);
        return year + "-" + month + "-" + ri;
    }

    public static int getAgeFromBirthTimes(String birthTimeString) {
        // 先截取到字符串中的年、月、日
        int selectYear = Integer.parseInt(birthTimeString.substring(0, 4));
        int selectMonth = Integer.parseInt(birthTimeString.substring(5, 7));
        int selectDay = Integer.parseInt(birthTimeString.substring(8, 10));
        // 得到当前时间的年、月、日
        Calendar cal = Calendar.getInstance();
        int yearNow = cal.get(Calendar.YEAR);
        int monthNow = cal.get(Calendar.MONTH) + 1;
        int dayNow = cal.get(Calendar.DATE);

        // 用当前年月日减去生日年月日
        int yearMinus = yearNow - selectYear;
        int monthMinus = monthNow - selectMonth;
        int dayMinus = dayNow - selectDay;

        int age = yearMinus;// 先大致赋值
        if (yearMinus < 0) {// 选了未来的年份
            age = 0;
        } else if (yearMinus == 0) {// 同年的，要么为1，要么为0
            if (monthMinus < 0) {// 选了未来的月份
                age = 0;
            } else if (monthMinus == 0) {// 同月份的
                if (dayMinus < 0) {// 选了未来的日期
                    age = 0;
                } else if (dayMinus >= 0) {
                    age = 1;
                }
            } else if (monthMinus > 0) {
                age = 1;
            }
        } else if (yearMinus > 0) {
            if (monthMinus < 0) {// 当前月>生日月
            } else if (monthMinus == 0) {// 同月份的，再根据日期计算年龄
                if (dayMinus < 0) {
                } else if (dayMinus >= 0) {
                    age = age + 1;
                }
            } else if (monthMinus > 0) {
                age = age + 1;
            }
        }
        return age - 1;
    }

    /**
     * 根据身份证号判断年龄段
     * @param idCard    身份证号
     * @return  年龄段(1.80-89周岁 2.90-99周岁 3.100周岁（含）以上)
     */
    public static int getAgeCategory(String idCard){
        int nub = -1;
        int age = 0;
        try {
            age = IdcardUtil.getAgeByIdCard(idCard);
        }catch (Exception e){
            return -1;
        }
        if (age >= Constants.EIGHTY && age < Constants.NINETY) {
            nub = 1;
        }else if (age >= Constants.NINETY && age < Constants.ONE_HUNDRED){
            nub = 2;
        }else if (age >= Constants.ONE_HUNDRED){
            nub = 3;
        }
        return nub;
    }

    public static int getAgeFromBirthTimes(long birthTimeLong) {
        Date date = new Date(birthTimeLong * 1000l);
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        String birthTimeString = format.format(date);
        return getAgeFromBirthTimes(birthTimeString);
    }

    public static void main(String[] args) {
        String yese = "19980516";
        String year = yese.substring(0, 4);
        String month = yese.substring(4, 6);
        String ri = yese.substring(6, 8);
    }
}