package com.ard.device.camera.service.impl;

import com.ard.common.annotation.DataScope;
import com.ard.common.constant.CacheConstants;
import com.ard.common.constant.DeviceConstants;
import com.ard.common.core.domain.entity.SysUser;
import com.ard.common.core.redis.RedisCache;
import com.ard.common.exception.ServiceException;
import com.ard.common.utils.DateUtils;
import com.ard.common.utils.SecurityUtils;
import com.ard.common.utils.StringUtils;
import com.ard.common.utils.bean.BeanValidators;
import com.ard.common.utils.spring.SpringUtils;
import com.ard.common.utils.uuid.IdUtils;
import com.ard.device.camera.domain.ArdCamera;
import com.ard.device.camera.domain.CameraCmd;
import com.ard.device.camera.mapper.ArdCameraMapper;
import com.ard.device.camera.service.IArdCameraService;
import com.ard.device.channel.domain.ArdChannel;
import com.ard.device.channel.service.IArdChannelService;
import com.ard.device.component.sdk.common.GlobalVariable;
import com.ard.device.component.sdk.event.LoginEvent;
import com.ard.device.component.sdk.service.CameraSDKService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.context.event.EventListener;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

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

/**
 * 相机设备Service业务层处理
 *
 * @author 刘苏义
 * @date 2023-02-11
 */
@Service
@Slf4j
public class ArdCameraServiceImpl implements IArdCameraService, ApplicationRunner {
    @Resource
    private ArdCameraMapper ardCameraMapper;

    @Resource
    private CameraSDKService cameraSDKService;

    @Resource
    private RedisCache redisService;

    @Resource
    private IArdChannelService ardChannelService;

    @Resource
    protected Validator validator;


    @Override
    public void run(ApplicationArguments args) {
        initCamera();
    }

    public void initCamera() {
        //清空相机缓存
        redisService.deleteObject(redisService.keys(getCacheKey("*")));
        //重新加载相机到缓存
        ardCameraMapper.selectArdCameraList(new ArdCamera()).forEach(ardCamera -> {
            ardCameraMapper.resetCameraLoginId(ardCamera);
            redisService.setCacheObject(getCacheKey(ardCamera.getId()), ardCamera);
            cameraSDKService.login(ardCamera);
        });
    }

    /**
     * 设置cache key
     *
     * @param configKey 参数键
     * @return 缓存键key
     */
    private String getCacheKey(String configKey) {
        return CacheConstants.CAMERA_LIST_KEY + configKey;
    }


    /**
     * 查询相机设备
     *
     * @param id 相机设备主键
     * @return 相机设备
     */
    @Override
    public ArdCamera selectArdCameraById(String id) {
        return ardCameraMapper.selectArdCameraById(id);
    }

    /**
     * 查询相机设备
     *
     * @param name 相机设备名称
     * @return 相机设备
     */
    @Override
    public ArdCamera selectArdCameraByName(String name) {
        return ardCameraMapper.selectArdCameraByName(name);
    }

    /**
     * 查询相机设备列表
     *
     * @param ardCamera 相机设备
     * @return 相机设备
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<ArdCamera> selectArdCameraList(ArdCamera ardCamera) {
        return ardCameraMapper.selectArdCameraList(ardCamera);
    }

    /**
     * 查询所有相机
     *
     * @param ardCamera 相机设备
     * @return 相机设备
     */
    @Override
    public List<ArdCamera> selectArdCameraListAll(ArdCamera ardCamera) {
        return ardCameraMapper.selectArdCameraList(ardCamera);
    }

    /**
     * 新增相机设备
     *
     * @param ardCamera 相机设备
     * @return 结果
     */
    @Override
    public int insertArdCamera(ArdCamera ardCamera) {
        ardCamera.setId(IdUtils.simpleUUID());
        ardCamera.setCreateBy(SecurityUtils.getUsername());
        ardCamera.setCreateTime(DateUtils.getNowDate());
        ardCamera.setUserId(SecurityUtils.getUserId());
        int res = ardCameraMapper.insertArdCamera(ardCamera);
        if (res > 0) {
            cameraSDKService.login(ardCamera);//sdk登录获取通道信息
        }
        return res;
    }

    /**
     * 修改相机设备
     *
     * @param ardCamera 相机设备
     * @return 结果
     */
    @Override
    public int updateArdCamera(ArdCamera ardCamera) {
        ardCamera.setUpdateTime(DateUtils.getNowDate());
        ardCamera.setUpdateBy(SecurityUtils.getUsername());
        int res = ardCameraMapper.updateArdCamera(ardCamera);
        if (res > 0) {
            cameraSDKService.logout(ardCamera);//sdk注销
            cameraSDKService.login(ardCamera);//sdk登录获取通道信息
        }
        return res;
    }


    /**
     * 批量删除相机设备
     *
     * @param ids 需要删除的相机设备主键
     * @return 结果
     */
    @Override
    public int deleteArdCameraByIds(String[] ids) {
        for (String id : ids) {
            ArdCamera camera = ardCameraMapper.selectArdCameraById(id);
            if (camera != null) {
                //redis中删除
                redisService.deleteObject(getCacheKey(id));
                //删除当前相机的所有通道
                ardChannelService.deleteArdChannelByDeviceId(id);
                //sdk注销
                cameraSDKService.logout(camera);
            }
        }
        return ardCameraMapper.deleteArdCameraByIds(ids);
    }

    /**
     * 删除相机设备信息
     *
     * @param id 相机设备主键
     * @return 结果
     */
    @Override
    public int deleteArdCameraById(String id) {
        int i = ardCameraMapper.deleteArdCameraById(id);
        if (i > 0) {
            //redis中删除
            redisService.deleteObject(getCacheKey(id));
            //删除当前相机的所有通道
            ardChannelService.deleteArdChannelByDeviceId(id);
            //sdk注销
            cameraSDKService.logout(ArdCamera.builder().id(id).build());
        }
        return i;
    }

    @Override
    public String importCamera(List<ArdCamera> ardCameraList, Boolean isUpdateSupport, String operatorName) {
        if (StringUtils.isNull(ardCameraList) || ardCameraList.isEmpty()) {
            throw new ServiceException("导入相机数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        for (ArdCamera camera : ardCameraList) {
            try {
                //获取当前登录用户id
                Long userId = SecurityUtils.getUserId();
                camera.setUserId(userId);
                // 验证是否存在这个用户
                ArdCamera u = ardCameraMapper.selectArdCameraById(camera.getId());
                if (StringUtils.isNull(u)) {
                    BeanValidators.validateWithException(validator, camera);
                    camera.setCreateBy(operatorName);
                    this.insertArdCamera(camera);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、相机ID " + camera.getId() + " 导入成功");
                } else if (isUpdateSupport) {
                    BeanValidators.validateWithException(validator, camera);
                    checkCameraDataScope(camera.getUserId());
                    camera.setUpdateBy(operatorName);
                    this.updateArdCamera(camera);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、相机ID " + camera.getId() + " 更新成功");
                } else {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、相机ID " + camera.getId() + " 已存在");
                }
            } catch (Exception e) {
                failureNum++;
                String msg = "<br/>" + failureNum + "、相机ID " + camera.getId() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0) {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(failureMsg.toString());
        } else {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkCameraDataScope(Long userId) {
        if (!SysUser.isAdmin(SecurityUtils.getUserId())) {
            ArdCamera camera = new ArdCamera();
            camera.setUserId(userId);
            List<ArdCamera> cameras = SpringUtils.getAopProxy(this).selectArdCameraList(camera);
            if (StringUtils.isEmpty(cameras)) {
                throw new ServiceException("没有权限访问井数据！");
            }
        }
    }

    /**
     * 校验相机是否唯一
     *
     * @param camera 相机
     * @return 结果
     */
    @Override
    public String checkCameraIpAndPortUnique(ArdCamera camera) {
        String id = camera.getId();
        String ip = camera.getIp();
        Integer port = camera.getPort();
        ArdCamera info = ardCameraMapper.checkCameraIpAndPortUnique(ip, port);
        if (StringUtils.isNotNull(info) && !info.getId().equals(id)) {
            return DeviceConstants.NOT_UNIQUE;
        }
        return DeviceConstants.UNIQUE;
    }

    /**
     * 校验机场是否已关联相机
     *
     * @param camera 相机
     * @return 结果
     */
    @Override
    public ArdCamera checkAirportHasCamera(ArdCamera camera) {
        ArdCamera info = ardCameraMapper.checkAirportHasCamera(camera);
        if (StringUtils.isNotNull(info)&& !info.getId().equals(camera.getId())) {
            return info;
        }
        return null;
    }

    /**
     * 同步通道
     *
     * @param oldArrayList 旧通道列表（库中）
     * @param newArrayList 新通道列表（sdk）
     * @author 刘苏义
     * @date 2024/8/23 16:28
     */
    @Override
    public void asyncChannel(List<ArdChannel> oldArrayList, List<ArdChannel> newArrayList) {
        // 将列表转换为映射以提高性能
        Map<Integer, ArdChannel> oldMap = oldArrayList.stream()
                .collect(Collectors.toMap(ArdChannel::getChanNo, channel -> channel));
        Map<Integer, ArdChannel> newMap = newArrayList.stream()
                .collect(Collectors.toMap(ArdChannel::getChanNo, channel -> channel));

        // 需要更新的数据
        newArrayList.stream()
                .filter(channel -> {
                    ArdChannel oldChannel = oldMap.get(channel.getChanNo());
                    return oldChannel != null && (!Objects.equals(channel.getName(), oldChannel.getName()) || !Objects.equals(channel.getVideoCode(), oldChannel.getVideoCode()));
                })
                .forEach(channel -> {
                    ArdChannel oldChannel = oldMap.get(channel.getChanNo());
                    channel.setId(oldChannel.getId());
                    ardChannelService.updateArdChannel(channel);
                });

        // 需要删除的数据
        oldArrayList.stream()
                .filter(channel -> !newMap.containsKey(channel.getChanNo()))
                .forEach(channel -> {
                    ardChannelService.deleteArdChannelById(channel.getId());

                });

        // 需要新增的数据
        newArrayList.stream()
                .filter(channel -> !oldMap.containsKey(channel.getChanNo()))
                .forEach(channel -> {
                    if (ardChannelService.checkArdChannelUnique(channel)) {
                        ardChannelService.insertArdChannel(channel);
                    }
                });
    }

    /**
     * 监听登录事件
     *
     * @param loginEvent 登录事件
     * @author 刘苏义
     * @date 2024/8/23 15:42
     */
    @Async
    @EventListener(LoginEvent.class)
    public void LoginEventListener(LoginEvent loginEvent) {
        ArdCamera camera = loginEvent.getCamera();
        ardCameraMapper.updateArdCamera(camera);
        // SDK 登录成功后写入 Redis
        redisService.setCacheObject(getCacheKey(camera.getId()), camera);
    }

}