package com.xiaopeng.account.service.impl;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xiaopeng.account.mapper.XpAppUserCouponMapper;
import com.xiaopeng.account.model.dto.ReceiveCouponDto;
import com.xiaopeng.account.model.query.XpUserCouponListQuery;
import com.xiaopeng.account.model.vo.XpAppUserCouponListVo;
import com.xiaopeng.account.model.vo.XpAppUserCouponTotalVo;
import com.xiaopeng.account.model.vo.XpAppUserCouponVo;
import com.xiaopeng.account.service.IXpAppUserCouponService;
import com.xiaopeng.account.util.holiday.HolidayUtil;
import com.xiaopeng.api.model.account.XpAppUserCoupon;
import com.xiaopeng.common.core.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * <p>
 * 用户优惠券 服务实现类
 * </p>
 *
 * @author mitao
 * @since 2026-02-03
 */
@Service
public class XpAppUserCouponServiceImpl extends ServiceImpl<XpAppUserCouponMapper, XpAppUserCoupon> implements IXpAppUserCouponService {

    @Autowired
    private HolidayUtil holidayUtil;

    /**
     * 获取用户优惠券列表
     * @param query
     * @param uid
     * @return
     */
    @Override
    public XpAppUserCouponVo userCouponList(XpUserCouponListQuery query, String uid) {
        Page<XpAppUserCouponListVo> page = new Page<>(query.getPageNum(), query.getPageSize());
        Page<XpAppUserCouponListVo> list = baseMapper.userCouponList(page, query, Long.valueOf(uid));
        XpAppUserCouponVo vo = new XpAppUserCouponVo();
        vo.setTotal((int) page.getTotal());
        vo.setList(list.getRecords());
        return vo;
    }

    /**
     * 获取用户优惠券数量total
     * @param uid
     * @return
     */
    @Override
    public XpAppUserCouponTotalVo userCouponTotal(String uid) {
        List<XpAppUserCoupon> couponList = baseMapper.selectList(new LambdaQueryWrapper<XpAppUserCoupon>().eq(XpAppUserCoupon::getAppUserId, uid));
        XpAppUserCouponTotalVo vo = new XpAppUserCouponTotalVo();
        vo.setAvailableNum((int) couponList.stream().filter(e -> e.getStatus() == 1).count());
        vo.setUsedNum((int) couponList.stream().filter(e -> e.getStatus() == 2).count());
        vo.setExpiredNum((int) couponList.stream().filter(e -> e.getStatus() == 3).count());
        return vo;
    }

    /**
     * 领取优惠券
     * @param dto
     * @param uid
     * @return
     */
    @Override
    public boolean receive(ReceiveCouponDto dto, String uid) {
        XpAppUserCoupon coupon = baseMapper.selectById(dto.getCouponId());
        if(coupon.getAppUserId().toString().equals(uid)){
            coupon.setStatus(1);
            return updateById(coupon);

        }
        return false;
    }

    /**
     * 时间规则
     * @param couponList
     * @return
     */
    @Override
    public List<XpAppUserCoupon> timeRule(List<XpAppUserCoupon> couponList) {
       List<XpAppUserCoupon> xpAppUserCoupons = new ArrayList<>();

        for (XpAppUserCoupon coupon : couponList) {
            String timeJson = coupon.getTimeJson();
            Boolean inOperationTime = isInOperationTime(timeJson);
            if(inOperationTime){
                xpAppUserCoupons.add(coupon);
            }
        }

        return xpAppUserCoupons;
    }


    /**
     * 是否在运营内
     * @param timeJson 规则json字符串
     * @return
     */
    private Boolean isInOperationTime(String timeJson) {
        JSONArray jsonArray = JSONArray.parseArray(timeJson);
        Integer holidayToday = holidayUtil.isHolidayToday();
        for (Object o : jsonArray) {
            JSONObject jsonObject =JSONObject.parseObject(o.toString());
            String type = jsonObject.getString("type");
            if(type.equals(holidayToday.toString())){
                JSONArray time = jsonObject.getJSONArray("time");
                // 判断当前时间 是否在time时间段中
                for (Object object : time) {
                    String[] timeArray = object.toString().split("-");
                    String startTime = timeArray[0];
                    String endTime = timeArray[1];
                    boolean currentTimeInRange = DateUtils.isCurrentTimeInRange(startTime, endTime);
                    if(currentTimeInRange){
                        return true;
                    }
                }
            }else if(type.equals("3")){
                // 判断是什么类型 0每天  1-7 想起
                String typeStr = jsonObject.getString("typeStr");
                // 查看今天周几
                Integer week = DateUtils.getWeek();
                // 包含每天 或者  包含当天
                if(typeStr.contains("0") || typeStr.contains(week.toString())){
                    JSONArray time = jsonObject.getJSONArray("time");
                    // 判断当前时间 是否在time时间段中
                    for (Object object : time) {
                        String[] timeArray = object.toString().split("-");
                        String startTime = timeArray[0];
                        String endTime = timeArray[1];
                        boolean currentTimeInRange = DateUtils.isCurrentTimeInRange(startTime, endTime);
                        if(currentTimeInRange){
                            return true;
                        }
                    }
                }

            }
        }
        return false;
    }

}