package com.ard.work.service.impl;

import com.alibaba.fastjson2.JSONObject;
import com.ard.common.exception.ServiceException;
import com.ard.common.utils.DateUtils;
import com.ard.common.utils.uuid.IdUtils;
import com.ard.system.authorize.service.AuthorizeService;
import com.ard.work.domain.entity.ArdDroneInfo;
import com.ard.work.domain.receiver.BoxInfoReceiver;
import com.ard.work.mapper.ArdDroneInfoMapper;
import com.ard.work.service.IArdDroneInfoService;
import com.ard.work.service.ITyService;
import com.ard.work.util.UtilMethod;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 无人机盒子Service业务层处理
 *
 * @author ard
 * @date 2025-03-04
 */
@Slf4j
@Service
public class ArdDroneInfoServiceImpl implements IArdDroneInfoService {

    @Resource
    private ArdDroneInfoMapper ArdDroneInfoMapper;

    @Resource
    private ITyService tyService;

    @Resource
    private AuthorizeService authorizeService;

    /**
     * 查询无人机盒子
     *
     * @param id 无人机盒子主键
     * @return 无人机盒子
     */
    @Override
    public ArdDroneInfo selectArdDroneById(String id) {
        return ArdDroneInfoMapper.selectArdDroneById(id);
    }

    /**
     * 查询无人机盒子
     *
     * @param boxSn 盒子编码
     * @return 无人机盒子
     */
    @Override
    public ArdDroneInfo selectArdDroneByboxSn(String boxSn) {
        return ArdDroneInfoMapper.selectArdDroneByBoxSn(boxSn);
    }

    /**
     * 查询无人机盒子列表
     *
     * @param ArdDroneInfo 无人机盒子
     * @return 无人机盒子
     */
    @Override
    public List<ArdDroneInfo> selectArdDroneList(ArdDroneInfo ArdDroneInfo) {
        return ArdDroneInfoMapper.selectArdDroneList(ArdDroneInfo);
    }

    /**
     * 新增无人机盒子
     *
     * @param ardDroneInfo 无人机盒子
     * @return 结果
     */
    @Override
    public int insertArdDrone(ArdDroneInfo ardDroneInfo) {
        ardDroneInfo.setId(IdUtils.fastUUID());
        ardDroneInfo.setCreateTime(DateUtils.getNowDate());
        return ArdDroneInfoMapper.insertArdDrone(ardDroneInfo);
    }

    /**
     * 修改无人机盒子
     *
     * @param ArdDroneInfo 无人机盒子
     * @return 结果
     */
    @Override
    public int updateArdDrone(ArdDroneInfo ArdDroneInfo) {
        ArdDroneInfo.setUpdateTime(DateUtils.getNowDate());
        return ArdDroneInfoMapper.updateArdDrone(ArdDroneInfo);
    }

    /**
     * 批量删除无人机盒子
     *
     * @param ids 需要删除的无人机盒子主键
     * @return 结果
     */
    @Override
    public int deleteArdDroneByIds(String[] ids) {
        return ArdDroneInfoMapper.deleteArdDroneByIds(ids);
    }

    /**
     * 删除无人机盒子信息
     *
     * @param id 无人机盒子主键
     * @return 结果
     */
    @Override
    public int deleteArdDroneById(String id) {
        return ArdDroneInfoMapper.deleteArdDroneById(id);
    }

    /**
     * 批量新增无人机盒子
     *
     * @param boxSn 盒子编码数组
     * @param deptId 部门ID
     * @return 成功插入的记录数
     */
    @Override
    public int insertArdDroneLs(String[] boxSn, Long deptId) {
        // 参数校验
        if (boxSn == null || boxSn.length == 0) {
            log.warn("传入的盒子编码为空");
            return 1;
        }
        if (deptId == null) {
            throw new IllegalArgumentException("部门ID不能为空");
        }
        try {
            // 1. 检查已存在的无人机盒子
            List<ArdDroneInfo> existingDrones = getExistingDrones(boxSn);
            // 2. 授权数量验证
            validateAuthorization(existingDrones.size(), boxSn.length);
            // 3. 获取并组装新的无人机信息
            List<ArdDroneInfo> newDrones = assembleNewDrones(boxSn, deptId);
            // 4. 批量插入
            return batchInsertDrones(newDrones);
        } catch (Exception e) {
            log.error("批量新增无人机盒子失败, boxSn: {}, deptId: {}", Arrays.toString(boxSn), deptId, e);
            throw new ServiceException("批量新增无人机盒子失败: " + e.getMessage());
        }
    }

    /**
     * 修改无人机状态
     */
    @Override
    public int updateDroneStatus(String serverId, String status) {
        return ArdDroneInfoMapper.updateDroneStatus(serverId, status);
    }

    /**
     * 获取已存在的无人机信息
     */
    private List<ArdDroneInfo> getExistingDrones(String[] boxSn) {
        return Arrays.stream(boxSn)
                .map(ArdDroneInfoMapper::selectArdDroneByBoxSn)
                .filter(Objects::nonNull)
                .collect(Collectors.toList());
    }

    /**
     * 验证授权数量
     */
    private void validateAuthorization(int existingCount, int newCount) {
        int totalCount = existingCount + newCount;

        JSONObject authInfo = authorizeService.getAuthorizationInfo();
        String authType = authInfo.getString("Type");

        switch (authType) {
            case "normal":
                int allowedDroneNum = authInfo.getIntValue("droneNum");
                if (totalCount > allowedDroneNum) {
                    throw new RuntimeException(String.format(
                            "授权数量%d，当前操作将导致总数达到%d，超过授权限制",
                            allowedDroneNum, totalCount));
                }
                break;
            case "expired":
                throw new RuntimeException("授权文件已过期");
            case "mismatch":
                throw new RuntimeException("授权文件不匹配");
            default:
                throw new RuntimeException("未知的授权类型: " + authType);
        }
    }

    /**
     * 组装新的无人机信息
     */
    private List<ArdDroneInfo> assembleNewDrones(String[] boxSn, Long deptId) {
        List<BoxInfoReceiver> allBoxes = tyService.getBoxList();
        Set<String> targetBoxSnSet = new HashSet<>(Arrays.asList(boxSn));
        return allBoxes.stream()
                .filter(box -> targetBoxSnSet.contains(box.getBoxSn()))
                .map(box -> createDroneInfo(box, deptId))
                .collect(Collectors.toList());
    }

    /**
     * 创建无人机信息对象
     */
    private ArdDroneInfo createDroneInfo(BoxInfoReceiver box, Long deptId) {
        ArdDroneInfo drone = new ArdDroneInfo();
        drone.setId(IdUtils.simpleUUID());
        drone.setBoxSn(box.getBoxSn());
        drone.setBoxName(box.getBoxName());
        drone.setBoxAliasName(box.getBoxName());
        drone.setStartTime(new Date());
        drone.setOnLine(box.getOnLine());
        drone.setVideoServer(box.getVideoServer());
        drone.setVideoPort(box.getVideoPort());
        drone.setLastTaskId(box.getLastTaskId());
        drone.setDeptId(deptId);

        // 设置创建信息和更新信息
        setCreateAndUpdateInfo(drone);

        return drone;
    }

    /**
     * 设置创建和更新信息
     */
    private void setCreateAndUpdateInfo(ArdDroneInfo drone) {
        Date currentTime = new Date();
        drone.setCreateTime(currentTime);
        drone.setUpdateTime(currentTime);
    }

    /**
     * 批量插入无人机信息
     */
    private int batchInsertDrones(List<ArdDroneInfo> drones) {
        if (drones.isEmpty()) {
            return 0;
        }
        return ArdDroneInfoMapper.insertArdDroneLs(drones);
    }

    /**
     * 同步盒子属性
     *
     * @return 结果
     */
    @Scheduled(fixedRate = 1000 * 10)
    public void syncBoxInfo() {
        List<ArdDroneInfo> ArdDroneeListEntity = selectArdDroneList(new ArdDroneInfo());
        // 将本地列表转换为Map，方便快速查找
        Map<String, ArdDroneInfo> localArdDroneMap = ArdDroneeListEntity.stream()
                .collect(Collectors.toMap(ArdDroneInfo::getBoxSn, drone -> drone));
        //遍历接口最新获取的无人机盒子信息
        tyService.getBoxList().forEach(remoteArdDrone -> {
            ArdDroneInfo localArdDroneInfo = localArdDroneMap.get(remoteArdDrone.getBoxSn());
            if (localArdDroneInfo != null) {
                if (!localArdDroneInfo.isSameAs(remoteArdDrone)) {
                    // 修改无人机（只更新变化的属性）
                    updateChangedAttributes(localArdDroneInfo, remoteArdDrone);
                    updateArdDrone(localArdDroneInfo);
                }
            }
        });
    }

    // 更新变化的属性
    private void updateChangedAttributes(ArdDroneInfo localBoxInfo, BoxInfoReceiver remoteArdDrone) {
        if (!Objects.equals(localBoxInfo.getBoxName(), remoteArdDrone.getBoxName())) {
            localBoxInfo.setBoxName(remoteArdDrone.getBoxName());
        }
        if (!Objects.equals(localBoxInfo.getBoxVersion(), remoteArdDrone.getBoxVersion())) {
            localBoxInfo.setBoxVersion(remoteArdDrone.getBoxVersion());
        }
        if (!Objects.equals(localBoxInfo.getLastTaskId(), remoteArdDrone.getLastTaskId())) {
            localBoxInfo.setLastTaskId(remoteArdDrone.getLastTaskId());
        }
        if (!Objects.equals(localBoxInfo.getOnLine(), remoteArdDrone.getOnLine())) {
            localBoxInfo.setOnLine(remoteArdDrone.getOnLine());
        }
        // 更新其他属性
    }
}