package com.ruoyi.system.service.impl;


import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.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.ruoyi.system.mapper.DeviceUsageMapper;
import com.ruoyi.system.mapper.EvalResultMapper;
import com.ruoyi.system.model.DeviceUsage;
import com.ruoyi.system.model.EvalResult;
import com.ruoyi.system.model.Record;
import com.ruoyi.system.query.*;
import com.ruoyi.system.service.DeviceUsageService;
import com.ruoyi.system.vo.*;
import com.ruoyi.system.vo.DeviceCountVo;
import com.ruoyi.system.vo.DeviceListVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.YearMonth;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author administrator
 * @since 2026-01-13
 */
@Slf4j
@Service
public class DeviceUsageServiceImpl extends ServiceImpl<DeviceUsageMapper, DeviceUsage> implements DeviceUsageService {

    @Autowired
    private EvalResultMapper evalResultMapper;

    @Override
    public List<String> getDeviceUsageList(Integer id) {
        return this.baseMapper.getDeviceUsageList(id);
    }

    @Override
    public List<DeviceListVo> getDeviceList(Page<DeviceListVo> page, DeviceListQuery query) {
        List<DeviceListVo> deviceList = this.baseMapper.getDeviceList(page, query);
        for (DeviceListVo deviceListVo : deviceList) {
            LocalDateTime checkTime = deviceListVo.getCheckTime();
            // 判断checkTime是否是本月的时间
            if (checkTime != null && YearMonth.from(checkTime).equals(YearMonth.now())) {
                deviceListVo.setCheckResult("已检查");
            }else {
                deviceListVo.setCheckResult("未检查");
            }
        }
        return deviceList;
    }

    @Override
    public List<DeviceCountVo> getProjectDeviceCount(Integer id) {
        return this.baseMapper.getProjectDeviceCount(id);
    }


    @Override
    public List<EntrustProjectVo> projectList( Page<EntrustProjectVo> page,EntrustListQuery query) {
        Integer pageNum = query.getPageNum();
        Integer pageSize = query.getPageSize();
        LocalDateTime startTime = LocalDateTime.of(LocalDate.now().withDayOfMonth(1), LocalDateTime.MIN.toLocalTime());

        Map<Integer, List<EvalResult>> resultMap = evalResultMapper.selectList(new LambdaQueryWrapper<EvalResult>()
                .ge(EvalResult::getCreateTime, startTime)
                .le(EvalResult::getCreateTime, LocalDateTime.now())
        ).stream().collect(Collectors.groupingBy(EvalResult::getProjectId));
        // 获取本月第一天凌晨
        List<EntrustProjectVo> deviceList = this.baseMapper.projectList(page,query);
        for (EntrustProjectVo deviceListVo : deviceList) {
            List<EvalResult> evalResults = resultMap.get(deviceListVo.getId());
            if (evalResults!=null){
                float temp =0;
                    // 计算安全检查平均分
                float avgSafetyScore = (float)evalResults.stream()
                            .filter(e -> e.getScore() != null)
                            .mapToDouble(EvalResult::getScore)
                            .average()
                            .orElse(0.0);
                // 计算设备检查平均分（需要解析 device_res_map）
                List<Float> deviceScores = evalResults.stream()
                        .filter(e -> StringUtils.hasText(e.getDeviceResMap()))
                        .map(e -> calculateDeviceScore(e.getDeviceResMap()))
                        .filter(score -> score != null && score > 0)
                        .toList();

                if (!deviceScores.isEmpty()) {
                    float avgDeviceScore =(float) deviceScores.stream()
                            .mapToDouble(Float::doubleValue)
                            .average()
                            .orElse(0.0);
                    temp = (avgSafetyScore + avgDeviceScore)/2;
                }
                // todo 查询项目所属委托人风险等级参数设置
                deviceListVo.setRisk("A类");

            }else{
                deviceListVo.setRisk("C类");
            }
            LocalDateTime checkTime = deviceListVo.getCheckTime();
            // 判断checkTime是否是本月的时间
            if (checkTime != null && YearMonth.from(checkTime).equals(YearMonth.now())) {
                deviceListVo.setCheckResult("已检查");
            }else {
                deviceListVo.setCheckResult("未检查");
            }
        }
        return deviceList;
    }
    private static Float calculateDeviceScore(String deviceResMapJson) {
        try {
            // 1. 解析 JSON 字符串
            JSONObject deviceMap = JSON.parseObject(deviceResMapJson);
            if (deviceMap == null || deviceMap.isEmpty()) {
                log.debug("设备评估结果映射为空");
                return null;
            }

            // 2. 提取所有设备的分数
            List<Float> scores = new ArrayList<>();
            for (String deviceId : deviceMap.keySet()) {
                try {
                    // 获取设备数据对象
                    JSONObject deviceData = deviceMap.getJSONObject(deviceId);
                    if (deviceData == null) {
                        log.debug("设备数据为空，deviceId: {}", deviceId);
                        continue;
                    }

                    // 获取 content 对象
                    JSONObject content = deviceData.getJSONObject("content");
                    if (content == null) {
                        log.debug("设备 content 为空，deviceId: {}", deviceId);
                        continue;
                    }

                    // 获取 data 对象
                    JSONObject data = content.getJSONObject("data");
                    if (data == null) {
                        log.debug("设备 data 为空，deviceId: {}", deviceId);
                        continue;
                    }

                    // 获取 score 字段
                    if (!data.containsKey("score")) {
                        log.debug("设备 data 中不包含 score 字段，deviceId: {}", deviceId);
                        continue;
                    }

                    Float score = data.getFloat("score");
                    if (score != null && score > 0) {
                        scores.add(score);
                        log.debug("成功提取设备得分，deviceId: {}, score: {}", deviceId, score);
                    }
                } catch (Exception e) {
                    log.warn("提取设备得分失败，deviceId: {}", deviceId, e);
                }
            }

            // 3. 计算平均分
            if (scores.isEmpty()) {
                log.debug("没有有效的设备得分数据");
                return null;
            }

            float avgScore = (float) scores.stream()
                    .mapToDouble(Float::doubleValue)
                    .average()
                    .orElse(0.0);

            log.debug("设备平均得分计算完成，设备数量: {}, 平均分: {}", scores.size(), avgScore);
            return avgScore;

        } catch (Exception e) {
            log.warn("解析设备得分失败，deviceResMapJson: {}", deviceResMapJson, e);
            return null;
        }
    }
    @Override
    public List<EntrustProjectReportVo> projectReport(Page<EntrustProjectReportVo> page, ProjectReportListQuery query) {
        List<EntrustProjectReportVo> entrustProjectReportVoList = this.baseMapper.projectReport(page,query);
        return entrustProjectReportVoList;
    }

    @Override
    public List<EntrustDeviceListVo> deviceList(Page<EntrustDeviceListVo> page, EntrustDeviceListQuery query) {
        List<EntrustDeviceListVo> deviceList = this.baseMapper.deviceList(page, query);
        for (EntrustDeviceListVo deviceListVo : deviceList) {
            LocalDateTime checkTime = deviceListVo.getCheckTime();
            // 判断checkTime是否是本月的时间
            if (checkTime != null && YearMonth.from(checkTime).equals(YearMonth.now())) {
                deviceListVo.setCheckResult("已检查");
            }else {
                deviceListVo.setCheckResult("未检查");
            }
        }
        return deviceList;
    }

    @Override
    public List<ErrorListVo> errorList(Page<ErrorListVo> page, ErrorListQuery query) {
        List<ErrorListVo> errorList = this.baseMapper.errorList(page, query);
        return errorList;
    }

    @Override
    public List<ErrorListVo> deviceErrorList(Page<ErrorListVo> page, ErrorListQuery query) {
        List<ErrorListVo> errorList = this.baseMapper.deviceErrorList(page, query);
        return errorList;    }

    @Override
    public List<ErrorListVo> safetyErrorList(Page<ErrorListVo> page, ErrorListQuery query) {
        List<ErrorListVo> errorList = this.baseMapper.safetyErrorList(page, query);
        return errorList;    }


}