package com.dji.sample.media.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.dji.sample.common.model.Pagination;
import com.dji.sample.common.model.PaginationData;
import com.dji.sample.common.model.ResponseResult;
import com.dji.sample.component.oss.model.OssConfiguration;
import com.dji.sample.component.oss.service.impl.OssServiceContext;
import com.dji.sample.manage.model.dto.DeviceDictionaryDTO;
import com.dji.sample.manage.model.enums.DeviceDomainEnum;
import com.dji.sample.manage.service.IDeviceDictionaryService;
import com.dji.sample.media.dao.IFileMapper;
import com.dji.sample.media.dao.IMarkMapper;
import com.dji.sample.media.model.*;
import com.dji.sample.media.service.IFileService;
import com.dji.sample.media.util.ImgUtil;
import com.dji.sample.patches.dao.GetPatchesMapper;
import com.dji.sample.patches.model.entity.LotInfo;
import com.dji.sample.patches.utils.TimerUtil;
import com.dji.sample.territory.service.impl.TbFjServiceImpl;
import com.dji.sample.territory.utils.WaterMarkUtil;
import com.drew.imaging.ImageProcessingException;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.awt.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URL;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.*;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author sean
 * @version 0.2
 * @date 2021/12/9
 */
@Service
@Transactional
public class FileServiceImpl implements IFileService {

    @Autowired
    private IFileMapper mapper;
    @Autowired
    private IMarkMapper markMapper;
    @Autowired
    private GetPatchesMapper patchesMapper;
    @Autowired
    private IDeviceDictionaryService deviceDictionaryService;

    @Autowired
    private OssServiceContext ossService;

    private Optional<MediaFileEntity> getMediaByFingerprint(String workspaceId, String fingerprint) {
        MediaFileEntity fileEntity = mapper.selectOne(new LambdaQueryWrapper<MediaFileEntity>()
                .eq(MediaFileEntity::getWorkspaceId, workspaceId)
                .eq(MediaFileEntity::getFingerprint, fingerprint));
        return Optional.ofNullable(fileEntity);
    }

    private Optional<MediaFileEntity> getMediaByFileId(String workspaceId, String fileId) {
        MediaFileEntity fileEntity = mapper.selectOne(new LambdaQueryWrapper<MediaFileEntity>()
                .eq(MediaFileEntity::getWorkspaceId, workspaceId)
                .eq(MediaFileEntity::getFileId, fileId));
        return Optional.ofNullable(fileEntity);
    }

    @Override
    public Boolean checkExist(String workspaceId, String fingerprint) {
        return this.getMediaByFingerprint(workspaceId, fingerprint).isPresent();
    }

    @Override
    public Integer saveFile(String workspaceId, FileUploadDTO file) {
        MediaFileEntity fileEntity = this.fileUploadConvertToEntity(file);
        fileEntity.setWorkspaceId(workspaceId);
        fileEntity.setFileId(UUID.randomUUID().toString());
        return mapper.insert(fileEntity);
    }

    public Integer saveMarkFile(String workspaceId, FileUploadDTO file) throws IOException, FontFormatException, ImageProcessingException {
        File file2 = null;
        MediaFileMarkEntity mediaFileMarkEntity = this.fileUploadConvertToMarkEntity(file);
        String url = "http://dev.jxpskj.com:9000/cloud-bucket" + file.getObjectKey();
        File file1 = TbFjServiceImpl.downloadFile(url);
        long timestamp = convertToTimestamp(file.getMetadata().getCreatedTime());
        boolean endsWith = file.getObjectKey().endsWith(".mp4");
        if (!endsWith) {
            file2 = new File(WaterMarkUtil.addWatermark(file1, timestamp, file.getMetadata().getShootPosition().getLat(),
                    file.getMetadata().getShootPosition().getLng(), file.getMetadata().getGimbalYawDegree()).toURI());
        }
        Object data = ImgUtil.getInfo(file1);
        mediaFileMarkEntity.setDronedata(data);
        mediaFileMarkEntity.setWorkspaceId(workspaceId);
        mediaFileMarkEntity.setFileId(UUID.randomUUID().toString());
        mediaFileMarkEntity.setObjectKey("/mark" + file.getPath() + "/" + file.getName());
        mediaFileMarkEntity.setFileName("mark" + file.getName());
        mediaFileMarkEntity.setFilePath("mark" + file.getPath());
        String endpoint = "http://dev.jxpskj.com:9000";
        String accessKey = "pskj";
        String secretKey = "pskj@2021";
        String bucketName = "cloud-bucket";
        String objectName = mediaFileMarkEntity.getObjectKey(); // 例如 "folder/file.txt"
        uploadFile(endpoint, accessKey, secretKey, bucketName, objectName, file2);
        return markMapper.insert(mediaFileMarkEntity);
    }

    @Override
    public Object mediaInfo(String fileId) {
        MediaFileMarkEntity entity = markMapper.selectOne(new LambdaQueryWrapper<MediaFileMarkEntity>()
                .eq(MediaFileMarkEntity::getFileId, fileId));
        return entity.getDronedata();
    }

    @Override
    public List<MediaFileDTO> getAllFilesByWorkspaceId(String workspaceId) {
        return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>()
                        .eq(MediaFileEntity::getWorkspaceId, workspaceId))
                .stream()
                .map(this::entityConvertToDto)
                .collect(Collectors.toList());
    }

    @Override
    public List<MediaFileEntity> listMediaFileEntity(String workspaceId, String jobId) {
        return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>()
                .eq(MediaFileEntity::getWorkspaceId, workspaceId).eq(MediaFileEntity::getJobId, jobId));
    }

    public List<MediaFileEntity> listByIsadd(String dkbh, String workspaceId) {
        return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>().eq(MediaFileEntity::getIsadd, 0)
                .eq(MediaFileEntity::getWorkspaceId, workspaceId)
                .like(MediaFileEntity::getFileName, dkbh + "~"));
    }

    public ResponseResult updateExamByFileId(String fileId) {
        int examineStatus = getExamByFileId(fileId);
        if (examineStatus == 1) {
            LambdaUpdateWrapper<MediaFileEntity> updateWrapper = new LambdaUpdateWrapper<>();
            updateWrapper.eq(MediaFileEntity::getFileId, fileId)
                    .set(MediaFileEntity::getExamine, 0);
            mapper.update(null, updateWrapper);
            return ResponseResult.success("审核未通过");
        } else if (examineStatus == 0) {
            LambdaUpdateWrapper<MediaFileEntity> updateWrapper = new LambdaUpdateWrapper<>();
            updateWrapper.eq(MediaFileEntity::getFileId, fileId)
                    .set(MediaFileEntity::getExamine, 1);
            mapper.update(null, updateWrapper);
            return ResponseResult.success("审核通过");
        }
        return ResponseResult.error("媒体文件不存在");
    }

    public int getExamByFileId(String fileId) {
        MediaFileEntity entity = mapper.selectOne(new LambdaQueryWrapper<MediaFileEntity>()
                .eq(MediaFileEntity::getFileId, fileId));
        return entity.getExamine();
    }

    @Override
    public PaginationData<MediaFileEntity> getMediaFilesPaginationByWorkspaceId(String workspaceId, long page, long pageSize, MediaFileQueryParam mediaFileQueryParam) {
//        Page<MediaFileEntity> pageData = mapper.selectPage(
//                new Page<MediaFileEntity>(page, pageSize),
//                new LambdaQueryWrapper<MediaFileEntity>()
//                        .eq(MediaFileEntity::getWorkspaceId, workspaceId)
//                        .orderByDesc(MediaFileEntity::getId));
        Page<MediaFileEntity> pageData = mapper.selectPage(new Page<MediaFileEntity>(page, pageSize), new LambdaQueryWrapper<MediaFileEntity>()
                .eq(MediaFileEntity::getWorkspaceId, workspaceId)
                .orderByDesc(MediaFileEntity::getCreateTime));

        List<MediaFileEntity> records = pageData.getRecords()
                .stream()
                .collect(Collectors.toList());
        return new PaginationData<MediaFileEntity>(records, new Pagination(pageData));
    }

    public int deleteMedia(String workspaceId, String fileId) {
        int count = mapper.delete(new LambdaUpdateWrapper<MediaFileEntity>().eq(MediaFileEntity::getFileId, fileId)
                .eq(MediaFileEntity::getWorkspaceId, workspaceId));
        return count;
    }

    @Override
    public URL getObjectUrl(String workspaceId, String fileId) {
        Optional<MediaFileEntity> mediaFileOpt = getMediaByFileId(workspaceId, fileId);
        if (mediaFileOpt.isEmpty()) {
            throw new IllegalArgumentException("{} 不存在");
        }

        return ossService.getObjectUrl(OssConfiguration.bucket, mediaFileOpt.get().getObjectKey());
    }

    @Override
    public List<MediaFileDTO> getFilesByWorkspaceAndJobId(String workspaceId, String jobId) {
        return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>()
                        .eq(MediaFileEntity::getWorkspaceId, workspaceId)
                        .eq(MediaFileEntity::getJobId, jobId))
                .stream()
                .map(this::entityConvertToDto).collect(Collectors.toList());
    }

    @Override
    public Boolean updateMediaFile(String workspaceId, MediaFileEntity mediaFileEntity) {

        /*MediaFileEntity params = new MediaFileEntity();
        params.setFileId(mediaFileEntity.getFileId());
        params.setWorkspaceId(mediaFileEntity.getWorkspaceId());*/
        boolean update1 = new LambdaUpdateChainWrapper<>(mapper).eq(MediaFileEntity::getFileId, mediaFileEntity.getFileId())
                .set(MediaFileEntity::getFileName, mediaFileEntity.getFileName())
                .set(MediaFileEntity::getCollectStatus, mediaFileEntity.getCollectStatus())
                .set(MediaFileEntity::getUserId, mediaFileEntity.getUserId())
                .update();
//        int update = mapper.update(mediaFileEntity, Wrappers.update(params));
        return update1;
    }

    /**
     * Convert the received file object into a database entity object.
     *
     * @param file
     * @return
     */
    private MediaFileEntity fileUploadConvertToEntity(FileUploadDTO file) {
        MediaFileEntity.MediaFileEntityBuilder builder = MediaFileEntity.builder();

        if (file != null) {
            builder.fileName(file.getName())
                    .filePath(file.getPath())
                    .isadd(0)
                    .examine(1)
                    .fingerprint(file.getFingerprint())
                    .objectKey(file.getObjectKey())
                    .subFileType(file.getSubFileType())
                    .isOriginal(file.getExt().getIsOriginal())
                    .jobId(file.getExt().getFlightId())
                    .drone(file.getExt().getSn()).metadata(file.getMetadata())
                    .tinnyFingerprint(file.getExt().getTinnyFingerprint());

            // domain-type-subType
            int[] payloadModel = Arrays.stream(file.getExt().getPayloadModelKey().split("-"))
                    .map(Integer::valueOf)
                    .mapToInt(Integer::intValue)
                    .toArray();
            Optional<DeviceDictionaryDTO> payloadDict = deviceDictionaryService
                    .getOneDictionaryInfoByTypeSubType(DeviceDomainEnum.PAYLOAD.getVal(), payloadModel[1], payloadModel[2]);
            payloadDict.ifPresent(payload -> builder.payload(payload.getDeviceName()));
        }
        return builder.build();
    }

    private MediaFileMarkEntity fileUploadConvertToMarkEntity(FileUploadDTO file) {
        MediaFileMarkEntity.MediaFileMarkEntityBuilder builder = MediaFileMarkEntity.builder();

        if (file != null) {
            builder.fileName(file.getName())
                    .filePath(file.getPath())
                    .isadd(0)
                    .fingerprint(file.getFingerprint())
                    .objectKey(file.getObjectKey())
                    .subFileType(file.getSubFileType())
                    .isOriginal(file.getExt().getIsOriginal())
                    .jobId(file.getExt().getFlightId())
                    .drone(file.getExt().getSn()).metadata(file.getMetadata())
                    .tinnyFingerprint(file.getExt().getTinnyFingerprint());

            // domain-type-subType
            int[] payloadModel = Arrays.stream(file.getExt().getPayloadModelKey().split("-"))
                    .map(Integer::valueOf)
                    .mapToInt(Integer::intValue)
                    .toArray();
            Optional<DeviceDictionaryDTO> payloadDict = deviceDictionaryService
                    .getOneDictionaryInfoByTypeSubType(DeviceDomainEnum.PAYLOAD.getVal(), payloadModel[1], payloadModel[2]);
            payloadDict.ifPresent(payload -> builder.payload(payload.getDeviceName()));
        }
        return builder.build();
    }


    /**
     * Convert database entity objects into file data transfer object.
     *
     * @param entity
     * @return
     */
    private MediaFileDTO entityConvertToDto(MediaFileEntity entity) {
        MediaFileDTO.MediaFileDTOBuilder builder = MediaFileDTO.builder();

        if (entity != null) {
            builder.fileName(entity.getFileName())
                    .fileId(entity.getFileId())
                    .filePath(entity.getFilePath())
                    .isOriginal(entity.getIsOriginal())
                    .fingerprint(entity.getFingerprint())
                    .objectKey(entity.getObjectKey())
                    .tinnyFingerprint(entity.getTinnyFingerprint())
                    .payload(entity.getPayload())
                    .metadata(entity.getMetadata())
                    .createTime(LocalDateTime.ofInstant(
                            Instant.ofEpochMilli(entity.getCreateTime()), ZoneId.systemDefault()))
                    .drone(entity.getDrone())
                    .jobId(entity.getJobId());

        }

        return builder.build();
    }

    public static void uploadFile(String endpoint, String accessKey, String secretKey, String bucketName, String objectName, File file) {
        try {
            // 创建MinIO客户端实例
            MinioClient minioClient = MinioClient.builder()
                    .endpoint(endpoint)
                    .credentials(accessKey, secretKey)
                    .build();
            // 上传文件
            FileInputStream fileInputStream = new FileInputStream(file);
            minioClient.putObject(
                    PutObjectArgs.builder()
                            .bucket(bucketName)
                            .object(objectName)
                            .stream(fileInputStream, file.length(), -1)
                            .build()
            );
            fileInputStream.close();
        } catch (Exception e) {
            throw new RuntimeException("上传文件至服务器失败" + e);
        }
    }

    public static long convertToTimestamp(Date date) {
        // 获取时间戳（毫秒级别）
        return date.getTime();
    }
}