package com.fdkankan.agent.service.impl;

import cn.hutool.core.io.FileUtil;
import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fdkankan.agent.common.OssPath;
import com.fdkankan.agent.common.PageInfo;
import com.fdkankan.agent.common.ResultCode;
import com.fdkankan.agent.entity.*;
import com.fdkankan.agent.exception.BusinessException;
import com.fdkankan.agent.httpClient.client.FdKKClient;
import com.fdkankan.agent.httpClient.service.LaserService;
import com.fdkankan.agent.mapper.ISceneProMapper;
import com.fdkankan.agent.request.SceneParam;
import com.fdkankan.agent.response.SceneVo;
import com.fdkankan.agent.service.*;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.agent.util.MangerUploadToOssUtil;
import com.fdkankan.agent.util.SceneStatusUtil;
import com.fdkankan.common.constant.SceneConstant;
import com.fdkankan.common.util.FileUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * pro场景表 服务实现类
 * </p>
 *
 * @author 
 * @since 2022-11-09
 */
@Service
@Slf4j
public class SceneProServiceImpl extends ServiceImpl<ISceneProMapper, ScenePro> implements ISceneProService {

    @Autowired
    LaserService laserService;
    @Autowired
    IScenePlusService scenePlusService;
    @Autowired
    IScenePlusExtService scenePlusExtService;
    @Resource
    FdKKClient fdKKClient;
    @Autowired
    ICameraService cameraService;
    @Autowired
    ICameraDetailService cameraDetailService;
    @Autowired
    IUserIncrementService userIncrementService;
    @Autowired
    IIncrementTypeService incrementTypeService;
    @Autowired
    MangerUploadToOssUtil mangerUploadToOssUtil;
    @Autowired
    IFolderSceneService folderSceneService;


    @Override
    public Object pageList(SceneParam param) {
        if(param.getType() == 2){  //深时
            return laserService.pageList(param);
        }
        Page<SceneVo> page = this.getBaseMapper().pageList(new Page<>(param.getPageNum(),param.getPageSize()),param);
//        for (SceneVo record : page.getRecords()) {
//            record.setStatusString(SceneStatusUtil.getStatusString(record));
//        }
        return PageInfo.PageInfo(page);
    }

    @Override
    public void move(SceneParam param) {
        Camera camera = cameraService.getBySnCode(param.getSnCode());
        if(camera == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }
        CameraDetail cameraDetail = cameraDetailService.getByCameraId(camera.getId());
        if(cameraDetail == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }
        ScenePro scenePro = this.getByNum(param.getNum());
        ScenePlus scenePlus = scenePlusService.getByNum(param.getNum());
        if((scenePro == null || scenePro.getCameraId() == null ) && (scenePlus== null || scenePlus.getCameraId() == null)){
            throw new BusinessException(ResultCode.SCENE_EMPTY);
        }
        Integer status =  scenePro == null ? scenePlus.getSceneStatus() : scenePro.getStatus();
        if(status == 0){
            throw new BusinessException(ResultCode.SCENE_BUILD);
        }

        Long cameraId = scenePro == null ? scenePlus.getCameraId() : scenePro.getCameraId();
        Long space = scenePro == null ? 0 :scenePro.getSpace();
        if(scenePlus !=null){
            ScenePlusExt scenePlusExt = scenePlusExtService.getByPlusId(scenePlus.getId());
            space = scenePlusExt.getSpace();
        }
        space = space == null ? 0 :space;
        Long newUseSpace = space + cameraDetail.getUsedSpace();
        Long totalSpace = cameraDetail.getTotalSpace();
        UserIncrement userIncrement = userIncrementService.getByCameraId(cameraId);
        if(userIncrement!=null){
            IncrementType incrementType = incrementTypeService.getById(userIncrement.getIncrementTypeId());
            if(incrementType!=null){
                if(incrementType.getCameraCapacity() == -1){
                    totalSpace   = -1L;
                }else {
                    totalSpace = incrementType.getCameraCapacity() * 1024 * 1024L;
                }
            }
        }

        //深时场景无限容量
        if(cameraDetail.getType() != 10 && totalSpace !=-1 &&  newUseSpace  > totalSpace){
            throw new BusinessException(ResultCode.CAMERA_SPACE_ERROR);
        }

        Camera oldCamera = cameraService.getById(cameraId);
        if(oldCamera == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }
        CameraDetail oldCameraDetail = cameraDetailService.getByCameraId(oldCamera.getId());
        if(oldCameraDetail == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }
        if(!oldCameraDetail.getType().equals(cameraDetail.getType())){
            throw new BusinessException(ResultCode.CAMERA_TYPE_NOT_ERROR);
        }
        if(oldCameraDetail.getAgentId() == null || cameraDetail.getAgentId() == null ||
        !oldCameraDetail.getAgentId().equals(cameraDetail.getAgentId()) ){
            throw new BusinessException(ResultCode.CAMERA_SN_ERROR);
        }

        Long oldUseSpace = oldCameraDetail.getUsedSpace() - space < 0 ? 0 : oldCameraDetail.getUsedSpace() - space;
        oldCameraDetail.setUsedSpace(oldUseSpace);
        Long subSpace =  oldCameraDetail.getTotalSpace() - oldUseSpace;
        if(cameraDetail.getType() != 10 && subSpace >0){    //有剩余容量解封容量内场景
            this.lockOrUnLockBySpace(oldCameraDetail,oldCameraDetail.getCameraId(),1);
        }
        cameraDetailService.updateById(oldCameraDetail);
        cameraDetail.setUsedSpace(newUseSpace);
        cameraDetailService.updateById(cameraDetail);

        if(scenePro!=null){
            LambdaUpdateWrapper<ScenePro> wrapper = new LambdaUpdateWrapper<>();
            wrapper.eq(ScenePro::getId,scenePro.getId());
            wrapper.set(ScenePro::getCameraId,camera.getId());
            wrapper.set(ScenePro::getUserId,cameraDetail.getUserId());
            this.update(wrapper);
            //场景迁移到另外的相机清除本身在的文件夹
            folderSceneService.delBySceneId(scenePro.getId());
        }
        if(scenePlus!=null){
            LambdaUpdateWrapper<ScenePlus> wrapper = new LambdaUpdateWrapper<>();
            wrapper.eq(ScenePlus::getId,scenePlus.getId());
            wrapper.set(ScenePlus::getCameraId,camera.getId());
            wrapper.set(ScenePlus::getUserId,cameraDetail.getUserId());
            scenePlusService.update(wrapper);
            folderSceneService.delBySceneId(scenePlus.getId());
        }
        if(cameraDetail.getType() == 10){       //深时场景
            laserService.move(param.getNum(),oldCamera.getSnCode(),camera.getSnCode());

        }

    }

    @Override
    public void copy(String sceneNum) throws Exception {
        ScenePro scenePro = this.getByNum(sceneNum);
        ScenePlus scenePlus = scenePlusService.getByNum(sceneNum);
        if((scenePro == null || scenePro.getCameraId() == null ) && (scenePlus== null || scenePlus.getCameraId() == null)){
            throw new BusinessException(ResultCode.SCENE_EMPTY);
        }
        Long cameraId = scenePro == null ? scenePlus.getCameraId() : scenePro.getCameraId();
        Camera camera = cameraService.getById(cameraId);
        if(camera == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }
        CameraDetail detailEntity = cameraDetailService.getByCameraId(cameraId);
        if(detailEntity == null){
            throw new BusinessException(ResultCode.CAMERA_EMPTY);
        }

        HashMap<String, Object> param = new HashMap<>();
        param.put("num",sceneNum);
        fdKKClient.copyScene(param,"m_a_n_a_g_e");

    }

    @Override
    public ScenePro getByNum(String num) {
        LambdaQueryWrapper<ScenePro> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(ScenePro::getNum,num);
        wrapper.eq(ScenePro::getIsUpgrade,0);
        List<ScenePro> list = this.list(wrapper);
        if(list == null || list.size() <=0){
            return null;
        }
        return list.get(0);
    }

    /**
     * @param payStatus -2 封存，为 1 解封
     */
    @Override
    public void lockOrUnLockBySpace(CameraDetail cameraDetail, Long cameraId, Integer payStatus) {
        LambdaQueryWrapper<ScenePro> wrapper = new LambdaQueryWrapper<>();
        LambdaQueryWrapper<ScenePlus> plusWr = new LambdaQueryWrapper<>();
        Long totalSpace = cameraDetail.getTotalSpace();
        UserIncrement userIncrement = userIncrementService.getByCameraId(cameraId);
        if(userIncrement!=null){
            IncrementType incrementType = incrementTypeService.getById(userIncrement.getIncrementTypeId());
            if(incrementType!=null){
                if(incrementType.getCameraCapacity() == -1){
                    totalSpace   = -1L;
                }else {
                    totalSpace = incrementType.getCameraCapacity() * 1024 * 1024L;
                }
            }
        }

        log.info("lockOrUnLockBySpace---cameraId:{},payStatus:{},totalSpace:{},useSpace{}",
                cameraId,payStatus,totalSpace,cameraDetail.getUsedSpace());
        if(payStatus == 1){         //解封，判断用户权益,用户会员权益无限容量
            wrapper.orderByAsc(ScenePro::getCreateTime);
            plusWr.orderByAsc(ScenePlus::getCreateTime);
            wrapper.eq(ScenePro::getPayStatus,-2);
            plusWr.eq(ScenePlus::getPayStatus,-2);
        }else {
            if (totalSpace >= cameraDetail.getUsedSpace()) {
                // 总容量大于已使用容量，不予封存
                return;
            }
            wrapper.orderByDesc(ScenePro::getCreateTime);
            plusWr.orderByDesc(ScenePlus::getCreateTime);
            wrapper.eq(ScenePro::getPayStatus,1);
            plusWr.eq(ScenePlus::getPayStatus,1);
        }

        wrapper.eq(ScenePro::getCameraId,cameraId)
                .eq(ScenePro::getIsUpgrade,0);

        plusWr.eq(ScenePlus::getCameraId,cameraId);

        List<ScenePro> list = this.list(wrapper);
        List<ScenePlus> plusList = scenePlusService.list(plusWr);

        Long beyondSpace = Math.abs(cameraDetail.getUsedSpace() - totalSpace);
        Long accumulateSpace = 0L;
        List<Long> lockedIds = new ArrayList<>();
        if(payStatus == 1){
            Long doSpace = getScenePlusLockedIds(lockedIds, plusList, totalSpace, beyondSpace, accumulateSpace);
            beyondSpace -= doSpace;
            getSceneLockedIds(lockedIds,list,totalSpace,beyondSpace,accumulateSpace);
        }else {
            Long doSpace = getSceneLockedIds(lockedIds, list, totalSpace, beyondSpace, accumulateSpace);
            beyondSpace -= doSpace;
            getScenePlusLockedIds(lockedIds,plusList,totalSpace,beyondSpace,accumulateSpace);
        }

        lockOrUnLockScenes(lockedIds,payStatus);
    }

    private Long getSceneLockedIds(List<Long> lockedIds ,List<ScenePro> list,Long count,Long beyondSpace,Long accumulateSpace){
        if (list != null && list.size() > 0){
            for (ScenePro scenePro : list){
                accumulateSpace += scenePro.getSpace();
                if (count ==-1 && accumulateSpace.compareTo(beyondSpace) > 0){
                    return  accumulateSpace - scenePro.getSpace();
                }
                lockedIds.add(scenePro.getId());
            }
        }
        return  accumulateSpace;
    }
    private Long getScenePlusLockedIds(List<Long> lockedIds , List<ScenePlus> list, Long count, Long beyondSpace, Long accumulateSpace){
        if (list != null && list.size() > 0){
            List<Long> plusIds = list.parallelStream().map(ScenePlus::getId).collect(Collectors.toList());
            HashMap<Long, ScenePlusExt> byPlusIds = scenePlusExtService.getByPlusIds(plusIds);
            for (ScenePlus scenePlus : list){
                ScenePlusExt scenePlusExt = byPlusIds.get(scenePlus.getId());
                accumulateSpace += scenePlusExt.getSpace();
                if (count ==-1 && accumulateSpace.compareTo(beyondSpace) > 0){
                    return  accumulateSpace - scenePlusExt.getSpace();
                }
                lockedIds.add(scenePlus.getId());
            }
        }
        return accumulateSpace;
    }

    // payStatus 为 -2 封存，为 1 解封
    private void lockOrUnLockScenes(List<Long> lockedIds,Integer payStatus) {
        if (lockedIds == null || lockedIds.size() == 0){
            return;
        }
        LambdaUpdateWrapper<ScenePro> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.set(ScenePro::getPayStatus,payStatus)
                .eq(ScenePro::getIsUpgrade,0)
                .in(ScenePro::getId,lockedIds);
        this.update(updateWrapper);

        LambdaUpdateWrapper<ScenePlus> updatePlusWrapper = new LambdaUpdateWrapper<>();
        updatePlusWrapper.set(ScenePlus::getPayStatus,payStatus)
                .in(ScenePlus::getId,lockedIds);
        scenePlusService.update(updatePlusWrapper);

        this.updateOssStatus(lockedIds,payStatus);
    }

    /**
     *  修改oss status.json中 payStatus
     */
    private void updateOssStatus(List<Long> lockedIds, Integer payStatus) {
        LambdaQueryWrapper<ScenePro> proWr = new LambdaQueryWrapper<>();
        proWr.eq(ScenePro::getIsUpgrade,0);
        proWr.in(ScenePro::getId,lockedIds);
        List<ScenePro> proList = this.list(proWr);

        LambdaQueryWrapper<ScenePlus> pluWr = new LambdaQueryWrapper<>();
        pluWr.in(ScenePlus::getId,lockedIds);
        List<ScenePlus> plusList = scenePlusService.list(pluWr);
        for (ScenePro scenePro : proList) {
            this.updateOssStatus(String.format(OssPath.v3_statusPath,scenePro.getNum()),payStatus);
        }
        for (ScenePlus scenePlus : plusList) {
            this.updateOssStatus(String.format(OssPath.v4_statusPath,scenePlus.getNum()),payStatus);
        }

    }

    /**
     * 从oss中获取文件，并重写,上传替换
     */
    private void updateOssStatus(String path,Integer payStatus) {
        try {
            if(!mangerUploadToOssUtil.existKey(path)){
                return;
            }
            String data = mangerUploadToOssUtil.getObjectContent("4dkankan",path);
            if(StringUtils.isBlank(data)){
                return;
            }
            JSONObject jsonObject = JSONObject.parseObject(data);
            jsonObject.put("payStatus",payStatus);
            String json = JSONUtil.toJsonStr(jsonObject);
            FileUtils.writeFile(OssPath.localStatusPath ,json);
            log.info("updateOssStatus--localPath:{},ossPath:{}",OssPath.localStatusPath,path);
            mangerUploadToOssUtil.upload(OssPath.localStatusPath,path);
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            FileUtil.del(OssPath.localStatusPath);
        }
    }


}