package com.dsh.guns.modular.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dsh.course.entity.SiteLock;
import com.dsh.course.mapper.TSiteMapper;
import com.dsh.guns.modular.system.model.QuerySiteTimes;
import com.dsh.guns.modular.system.model.SiteBooking;
import com.dsh.guns.modular.system.model.TSite;
import com.dsh.guns.modular.system.model.TSitePrice;
import com.dsh.guns.modular.system.service.ISiteBookingService;
import com.dsh.guns.modular.system.service.ISiteLockService;
import com.dsh.guns.modular.system.service.ITSitePriceService;
import com.dsh.guns.modular.system.service.ITSiteService;
import com.dsh.guns.modular.system.util.DateComparisonExample;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * @author zhibing.pu
 * @Date 2023/8/1 17:50
 */
@Service
public class TSiteServiceImpl extends ServiceImpl<TSiteMapper, TSite> implements ITSiteService {
    @Autowired
    private ISiteLockService siteLockService;
    @Autowired
    private ISiteBookingService iSiteBookingService;
    @Autowired
    private ITSitePriceService itSitePriceService;
    @Override
    public List<QuerySiteTimes> querySiteTimes(Integer id, String day, String halfName, String siteName, Integer targetAudience) throws ParseException {

        System.out.println("=======date======" + day);
        List<String> strings = new ArrayList<>();

        List<SiteBooking> siteBookings = iSiteBookingService.list(new QueryWrapper<SiteBooking>().eq("siteId", id).ne("status", 5).eq("nextName", siteName).like("times", day));

        if (StringUtils.isBlank(siteName)) {
            siteBookings = iSiteBookingService.list(new QueryWrapper<SiteBooking>().eq("siteId", id).ne("status", 5).like("times", day));
        }else{
            siteBookings = iSiteBookingService.list(new QueryWrapper<SiteBooking>().eq("siteId", id).ne("status", 5).eq("nextName", siteName).like("times", day));
        }


        System.out.println("=======已预约列表======" + siteBookings);
        for (SiteBooking siteBooking : siteBookings) {


            String[] split = siteBooking.getTimes().split(";");

            if (siteBooking.getIsHalf() == 2) {
                for (String s : split) {
                    String convertedValue = s.substring(11);
                    strings.add(convertedValue + (siteBooking.getTargetAudience() != null ? "," + siteBooking.getTargetAudience() : ",1"));
                }
            } else {
                if (halfName == null) {
                    for (String s : split) {
                        String convertedValue = s.substring(11);
                        strings.add(convertedValue + (siteBooking.getTargetAudience() != null ? "," + siteBooking.getTargetAudience() : ",1"));
                    }
                }

                if (siteBooking.getHalfName().equals(halfName)) {
                    for (String s : split) {
                        String convertedValue = s.substring(11);
                        strings.add(convertedValue + (siteBooking.getTargetAudience() != null ? "," + siteBooking.getTargetAudience() : ",1"));
                    }

                }
            }
        }
        System.out.println("======已经预约时间段=======" + strings);


        TSite site = this.getById(id);
        List<QuerySiteTimes> timeRanges = new ArrayList<>();
        day = day.split(";")[0].split(" ")[0];
        LocalDate date = LocalDate.parse(day);
        DayOfWeek dayOfWeek = date.getDayOfWeek();
        // 通过日期 确定周X 查询设置的可以约时间段和金额 封装基础时间段数据
        LambdaQueryWrapper<TSitePrice> tSitePriceLambdaQueryWrapper = new LambdaQueryWrapper<>();
        tSitePriceLambdaQueryWrapper.eq(TSitePrice::getSiteId, id);
        tSitePriceLambdaQueryWrapper.orderByAsc(TSitePrice::getStartTime);
        tSitePriceLambdaQueryWrapper.eq(TSitePrice::getTargetAudience, targetAudience);
        tSitePriceLambdaQueryWrapper.eq(TSitePrice::getDayOfWeek, dayOfWeek.getValue());
        if (StringUtils.isNotBlank(halfName)) {
            tSitePriceLambdaQueryWrapper.eq(TSitePrice::getFieldType, 2);
        } else {
            tSitePriceLambdaQueryWrapper.eq(TSitePrice::getFieldType, 1);
        }
        List<TSitePrice> sitePrice = itSitePriceService.list(tSitePriceLambdaQueryWrapper);


        SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        for (TSitePrice tSitePrice : sitePrice) {
            QuerySiteTimes querySiteTimes = new QuerySiteTimes();
            querySiteTimes.setTime(tSitePrice.getStartTime().substring(0, tSitePrice.getStartTime().length() - 3) + "-" + tSitePrice.getEndTime().substring(0, tSitePrice.getEndTime().length() - 3));
            querySiteTimes.setSelectable(1);
            querySiteTimes.setSelectCount(0);
            querySiteTimes.setSelectMaxCount(site.getWalkinCapacity());
            querySiteTimes.setIsReserve(0);
            querySiteTimes.setCashPrice(tSitePrice.getCashPrice());
            querySiteTimes.setCoinPrice(tSitePrice.getCoinPrice());
            String temp = tSitePrice.getStartTime().substring(0, tSitePrice.getStartTime().length() - 3) + "-" + tSitePrice.getEndTime().substring(0, tSitePrice.getEndTime().length() - 3);
            String timePriceStart = day + " " + tSitePrice.getStartTime().substring(0, tSitePrice.getStartTime().length() - 3);
            String timePriceEnd = day + " " + tSitePrice.getEndTime().substring(0, tSitePrice.getEndTime().length() - 3);
            Date now = new Date();
            Date start = simpleDateFormat1.parse(timePriceStart);
            Date end = simpleDateFormat1.parse(timePriceEnd);
            // 已经预约了 判断是散客模式还是订场模式
            Integer flag = 0;
            // 散客预约人数
            Integer count = 0;
            for (String time : strings) {
                // 先判断时间是否和预约时间有交集
                String s = time.split(",")[1];
                String timeRange = time.split(",")[0];
                String[] split = timeRange.split("-");
                String bookingStart = day + " " + split[0];
                String bookingEnd = day + " " + split[1];


                if (!isTimePeriodsIntersect(timePriceStart, timePriceEnd, bookingStart, bookingEnd)) {
                    // 不相交
                } else {
                    if (s.equals("1")) {
                        // 订场 不可再预约了
                        querySiteTimes.setIsReserve(1);
                        querySiteTimes.setSelectable(0);
                        flag = 1;
                        break;
                    }
                    count++;
                }

            }
            if (querySiteTimes.getSelectable() == 1&&end.before(now)){
                querySiteTimes.setSelectable(0);
            }
            querySiteTimes.setSelectCount(count);
            if (flag == 0 &&  querySiteTimes.getSelectable() == 1) {
                // 当前时间段还没有预约
                Integer walkinCapacity = site.getWalkinCapacity();
                // 计算散客预约人数和最大散客容纳数
                System.err.println("预约人数" + count);
                System.err.println("最大散客容纳数" + walkinCapacity);
                if (walkinCapacity <= count) {
                    if (targetAudience==1 && walkinCapacity!=0){
                        // 不可预约
                        System.err.println("不可预约 也不能散客");
                        querySiteTimes.setSelectable(0);
                        querySiteTimes.setIsReserve(0);
                    }else if (targetAudience==2){
                        // 不能散客
                        System.err.println("不可预约 也不能散客");
                        querySiteTimes.setSelectable(0);
                        querySiteTimes.setIsReserve(0);
                    }else{
                        querySiteTimes.setSelectable(1);
                    }

                }else{
                    if (targetAudience==2){
                        // 散客只能预约当前时间段
                        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm");
                        String nowStr = simpleDateFormat.format(now);
                        // 判断当前时间有没有在timePriceStart和timePriceEnd之间
                        if (DateComparisonExample.isStringWithinTimeRange(nowStr, simpleDateFormat.parse(timePriceStart),  simpleDateFormat.parse(timePriceEnd))) {
                            querySiteTimes.setSelectable(1);
                        }else{
                            querySiteTimes.setSelectable(0);
                        }
                    }else{
                        querySiteTimes.setSelectable(1);
                    }
                }
            }
            // 查出lock
            List<SiteLock> list = siteLockService.list(new LambdaQueryWrapper<SiteLock>().eq(SiteLock::getSiteId, id));
            for (SiteLock siteLock : list) {
                String stime = day + " " + tSitePrice.getStartTime().substring(0, tSitePrice.getStartTime().length() - 3);
                String etime = day + " " + tSitePrice.getEndTime().substring(0, tSitePrice.getEndTime().length() - 3);
                boolean stringDateBetween = DateComparisonExample.isStringDateBetween(stime + " - " + etime, siteLock.getStartTime(), siteLock.getEndTime());
                if (stringDateBetween) {
                    System.err.println("11111预约开始" + stime + "预约结束" + etime);
                    querySiteTimes.setSelectable(0);
                    querySiteTimes.setIsReserve(1);
                }
                if (DateComparisonExample.isStringWithinTimeRange(stime, siteLock.getStartTime(), siteLock.getEndTime())) {
                    System.err.println("22222预约开始" + stime + "预约结束" + etime);

                    querySiteTimes.setSelectable(0);
                    querySiteTimes.setIsReserve(1);
                }
                if (DateComparisonExample.isStringWithinTimeRange(etime, siteLock.getStartTime(), siteLock.getEndTime())) {
                    System.err.println("33333预约开始" + stime + "预约结束" + etime);

                    querySiteTimes.setSelectable(0);
                    querySiteTimes.setIsReserve(1);
                }
            }
            timeRanges.add(querySiteTimes);
        }
        System.out.println("封装后的基础时间段和价格" + site);
        System.out.println("----最后封装的时间段数据------" + timeRanges);

        return timeRanges;
    }
    /**
     * 判断两个时间段是否有交集
     * @param start1 第一个时间段开始时间
     * @param end1 第一个时间段结束时间
     * @param start2 第二个时间段开始时间
     * @param end2 第二个时间段结束时间
     * @return 如果有交集返回true，否则返回false
     */
    private boolean isTimePeriodsIntersect(String start1, String end1, String start2, String end2) {
        // 首先判断是否有任何形式的重叠（包括端点）
        boolean hasOverlap = start1.compareTo(end2) <= 0 && end1.compareTo(start2) >= 0;

        // 判断是否仅仅是端点相接
        boolean onlyTouching = start1.compareTo(end2) == 0 || end1.compareTo(start2) == 0;

        // 有重叠且不是仅仅端点相接才算真正的交集
        return hasOverlap && !onlyTouching;
    }
}