package com.panzhihua.sangeshenbian.service.impl;

import com.panzhihua.common.exceptions.ServiceException;
import com.panzhihua.common.model.vos.LoginUserInfoVO;
import com.panzhihua.common.utlis.DateUtils;
import com.panzhihua.sangeshenbian.dao.SystemUserMapper;
import com.panzhihua.sangeshenbian.model.entity.ComAct;
import com.panzhihua.sangeshenbian.model.entity.ComStreet;
import com.panzhihua.sangeshenbian.model.entity.Complaint;
import com.panzhihua.sangeshenbian.model.entity.SystemUserLevel;
import com.panzhihua.sangeshenbian.model.query.AppStaticsQuery;
import com.panzhihua.sangeshenbian.model.vo.AnalyticStatisticsFourVo;
import com.panzhihua.sangeshenbian.model.vo.AnalyticStatisticsOneVo;
import com.panzhihua.sangeshenbian.model.vo.AnalyticStatisticsThreeVo;
import com.panzhihua.sangeshenbian.model.vo.AnalyticStatisticsTwoVo;
import com.panzhihua.sangeshenbian.model.vo.RegionVO;
import com.panzhihua.sangeshenbian.service.IBcRegionService;
import com.panzhihua.sangeshenbian.service.IComActService;
import com.panzhihua.sangeshenbian.service.IComStreetService;
import com.panzhihua.sangeshenbian.service.IComplaintService;
import com.panzhihua.sangeshenbian.service.IdentityInformationService;
import com.panzhihua.sangeshenbian.warpper.IdentityInformation;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Objects;

/**
 * @author mitao
 * @date 2025/5/9
 */
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
@Service
public class StaticsService {
    private final IdentityInformationService identityInformationService;
    private final IComplaintService complaintService;
    private final IBcRegionService bcRegionService;
    private final IComStreetService comStreetService;
    private final IComActService comActService;
    private final SystemUserMapper systemUserMapper;
    private static final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    public List<RegionVO> queryRegionTree(LoginUserInfoVO loginUserInfo) {
        IdentityInformation currentIdentityInformation = identityInformationService.getCurrentIdentityInformation(loginUserInfo);
        if (!Integer.valueOf(2).equals(currentIdentityInformation.getIdentity())) {
            throw new ServiceException("当前账号无权限");
        }

        SystemUserLevel userLevel = currentIdentityInformation.getSystemUserLevel();
        Integer level = userLevel.getLevel();

        switch (level) {
            case 1:
                return buildCityLevelTree("510400");
            case 2:
                return buildDistrictLevelTree(userLevel.getDistrictsCode());
            case 3:
                return buildStreetLevelTree(userLevel.getStreetId());
            case 4:
                return buildCommunityLevelTree(userLevel.getCommunityId());
            default:
                throw new ServiceException("不支持的用户等级");
        }
    }
    /**
     * 构建市级区域树结构（市 -> 区/县 -> 街道 -> 社区）
     * @param cityCode 市级行政区划代码，例如 "510400"
     * @return 区域树列表，每个区包含下属街道和社区
     */
    private List<RegionVO> buildCityLevelTree(String cityCode) {
        List<RegionVO> districts = systemUserMapper.getRegion(cityCode);
        districts.forEach(district -> {
            district.setTier(2);
            List<RegionVO> streets = systemUserMapper.getStreet(district.getId());
            district.setChildren(streets);
            streets.forEach(street -> {
                street.setTier(3);
                List<RegionVO> communities = systemUserMapper.getCommunity(street.getId());
                communities.forEach(c -> c.setTier(4));
                street.setChildren(communities);
            });
        });
        return districts;
    }
    /**
     * 构建区级区域树结构（区/县 -> 街道 -> 社区）
     * @param districtCode 区级行政区划代码
     * @return 街道列表，每个街道包含其下属社区
     */
    private List<RegionVO> buildDistrictLevelTree(String districtCode) {
        List<RegionVO> streets = systemUserMapper.getStreet(districtCode);
        streets.forEach(street -> {
            street.setTier(3);
            List<RegionVO> communities = systemUserMapper.getCommunity(street.getId());
            communities.forEach(c -> c.setTier(4));
            street.setChildren(communities);
        });
        return streets;
    }
    /**
     * 构建街道级区域树结构（街道 -> 社区）
     * @param streetId 街道ID
     * @return 包含一个街道及其下属社区的列表
     */
    private List<RegionVO> buildStreetLevelTree(String streetId) {
        ComStreet street = comStreetService.getById(streetId);
        RegionVO streetVO = new RegionVO();
        streetVO.setId(String.valueOf(street.getStreetId()));
        streetVO.setName(street.getName());
        streetVO.setTier(3);
        List<RegionVO> communities = systemUserMapper.getCommunity(streetId);
        communities.forEach(c -> c.setTier(4));
        streetVO.setChildren(communities);
        return Collections.singletonList(streetVO);
    }
    /**
     * 构建社区级区域（只返回当前社区信息）
     * @param communityId 社区ID
     * @return 仅包含一个社区节点的列表
     */
    private List<RegionVO> buildCommunityLevelTree(Long communityId) {
        ComAct community = comActService.getById(communityId);
        RegionVO regionVO = new RegionVO();
        regionVO.setId(String.valueOf(community.getCommunityId()));
        regionVO.setName(community.getName());
        regionVO.setTier(4);
        return Collections.singletonList(regionVO);
    }

    /**
     * 统计分析-第一部分
     * @param query
     * @param loginUserInfo
     * @return
     */
    public AnalyticStatisticsOneVo queryStaticsPartOne(AppStaticsQuery query, LoginUserInfoVO loginUserInfo) {
        List<Complaint> complaints = complaintService.queryCompliantList(query,loginUserInfo);
        return  complaintService.analyticStatisticsOne(null, complaints, simpleDateFormat);
    }

    /**
     *获取统计分析-第二部分（诉求单量统计柱状图）
     * @param query
     * @param loginUserInfo
     * @return
     */
    public List<AnalyticStatisticsTwoVo> queryStaticsPartTwo(AppStaticsQuery query, LoginUserInfoVO loginUserInfo) {
        List<Complaint> complaints = complaintService.queryCompliantList(query,loginUserInfo);
        //时间范围
        String time = "";
        if (Objects.nonNull(query.getTimeType())) {
            Date now = new Date();
            Date start = null;
            switch (query.getTimeType()) {
                case 2:
                    start = DateUtils.addDay(now, -15);
                    break;
                case 3:
                    start = DateUtils.addDay(now, -30);
                    break;
                default:
                    start = DateUtils.addDay(now, -7);
                    break;
            }
            //格式化
            String startStr = DateUtils.format(start, DateUtils.yyyyMMdd_format);
            String endStr = DateUtils.format(now, DateUtils.yyyyMMdd_format);
            time = startStr + " - " + endStr;
        }
        return complaintService.analyticStatisticsTwo(time, complaints, simpleDateFormat);
    }

    /**
     *获取统计分析-第三部分（问题类型排名）
     * @param query
     * @param loginUserInfo
     * @return
     */
    public List<AnalyticStatisticsThreeVo> queryStaticsPartThree(AppStaticsQuery query, LoginUserInfoVO loginUserInfo) {
        List<Complaint> complaints = complaintService.queryCompliantList(query,loginUserInfo);
        return complaintService.analyticStatisticsThree(query.getRank(), complaints);
    }

    /**
     * 获取统计分析-第四部分（评价占比）
     * @param query
     * @param loginUserInfo
     * @return
     */
    public AnalyticStatisticsFourVo queryStaticsPartFour(AppStaticsQuery query, LoginUserInfoVO loginUserInfo) {
        List<Complaint> complaints = complaintService.queryCompliantList(query,loginUserInfo);
        return complaintService.analyticStatisticsFour(complaints);
    }
}