package com.xkrs.utilsnew;

import com.xkrs.model.bean.DataWrapper2;
import com.xkrs.model.bean.VipTimeRangeBean;
import com.xkrs.model.entity.SysUserEntity;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

/**
 * 时间范围工具类
 */
public class TimeRangeUtils {

    private TimeRangeUtils() {
    }

    public static boolean checkIfAllExpired(SysUserEntity sysUserEntity) {
        boolean vipExpired = checkIfVipExpired(sysUserEntity.getVipTimeRangeJson());//VIP是否过期
        boolean probationExpired = checkIfProbationExpired(sysUserEntity.getAddTime(), sysUserEntity.getDayNum());//试用期是否过期
        return vipExpired && probationExpired;
    }

    /**
     * 检查VIP是否有效
     */
    public static boolean checkIfVipValid(String vipTimeRangeJson) {
        LocalDateTime now = LocalDateTime.now();
        List<DataWrapper2<LocalDateTime, LocalDateTime>> vipRangeList = getVipRangeList(vipTimeRangeJson);
        for (DataWrapper2<LocalDateTime, LocalDateTime> vipRange : vipRangeList) {
            if (checkIfInTargetRange(vipRange.getData1(), vipRange.getData2(), now)) {
                return true;
            }
        }
        return false;
    }

    /**
     * 检查VIP是否过期(OK)
     */
    public static boolean checkIfVipExpired(String vipTimeRangeJson) {
        return !checkIfVipValid(vipTimeRangeJson);
    }

    /**
     * 获取VIP范围列表(OK)
     */
    public static List<DataWrapper2<LocalDateTime, LocalDateTime>> getVipRangeList(String vipTimeRangeJson) {
        List<DataWrapper2<LocalDateTime, LocalDateTime>> vipRangeList = new ArrayList<>();//VIP范围结果列表
        List<VipTimeRangeBean.VipTimeRangeItemBean> list = new ArrayList<>();//Json解析的VIP范围列表
        try {
            VipTimeRangeBean vipTimeRangeBean = JsonUtils.deserialize(vipTimeRangeJson, VipTimeRangeBean.class);
            if (vipTimeRangeBean.getList() == null || vipTimeRangeBean.getList().size() == 0) {
                throw new RuntimeException("VipTimeRangeJson Error");
            }
            list.addAll(vipTimeRangeBean.getList());
        } catch (Exception e) {
            e.printStackTrace();
        }
        for (VipTimeRangeBean.VipTimeRangeItemBean item : list) {
            DateTimeUtils.checkDateTimeFormat(item.getStartTime());
            DateTimeUtils.checkDateTimeFormat(item.getEndTime());
            LocalDateTime start = DateTimeUtils.formatToLocalDateTime(item.getStartTime());
            LocalDateTime end = DateTimeUtils.formatToLocalDateTime(item.getEndTime());
            vipRangeList.add(new DataWrapper2<>(start, end));
        }
        return vipRangeList;
    }

    /**
     * 检查试用期是否有效
     */
    public static boolean checkIfProbationValid(String addTime, Long dayNum) {
        LocalDateTime now = LocalDateTime.now();
        DataWrapper2<LocalDateTime, LocalDateTime> probationRange = getProbationRange(addTime, dayNum);
        return checkIfInTargetRange(probationRange.getData1(), probationRange.getData2(), now);
    }

    /**
     * 检查试用期是否过期(OK)
     */
    public static boolean checkIfProbationExpired(String addTime, Long dayNum) {
        return !checkIfProbationValid(addTime, dayNum);
    }

    /**
     * 获取试用期范围(OK)
     */
    public static DataWrapper2<LocalDateTime, LocalDateTime> getProbationRange(String addTime, Long dayNum) {
        DateTimeUtils.checkDateTimeFormat(addTime);
        LocalDateTime start = DateTimeUtils.formatToLocalDateTime(addTime);
        LocalDateTime end = start.plusDays(dayNum);
        return new DataWrapper2<>(start, end);
    }

    /**
     * 判断test是否在rangeStart和rangeEnd之间
     */
    public static boolean checkIfInTargetRange(LocalDateTime rangeStart, LocalDateTime rangeEnd, LocalDateTime test) {
        return rangeStart.isBefore(test) && rangeEnd.isAfter(test);
    }

    /**
     * 获取系统用户的过期时间-VIP范围列表和试用期范围中最晚的那个时间
     */
    public static String getSysUserOverTime(SysUserEntity sysUserEntity) {
        List<LocalDateTime> timeList = new ArrayList<>();
        List<DataWrapper2<LocalDateTime, LocalDateTime>> vipRangeList = getVipRangeList(sysUserEntity.getVipTimeRangeJson());
        DataWrapper2<LocalDateTime, LocalDateTime> probationRange = getProbationRange(sysUserEntity.getAddTime(), sysUserEntity.getDayNum());
        for (DataWrapper2<LocalDateTime, LocalDateTime> vipRange : vipRangeList) {
            timeList.add(vipRange.getData2());
        }
        timeList.add(probationRange.getData2());
        LocalDateTime lastDateTime = getLastDateTime(timeList);
        return DateTimeUtils.localDateTimeToString(lastDateTime);
    }

    /**
     * 获取list中最晚的LocalDateTime
     */
    public static LocalDateTime getLastDateTime(List<LocalDateTime> list) {
        if (list == null || list.size() == 0) {
            throw new RuntimeException("GetLastDateTime Error");
        }
        LocalDateTime lastDateTime = list.get(0);
        for (LocalDateTime item : list) {
            if (lastDateTime == item) {
                continue;
            }
            if (item.isAfter(lastDateTime)) {
                lastDateTime = item;
            }
        }
        return lastDateTime;
    }

}