package com.sandu.ximon.admin.service;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.sandu.common.execption.BusinessException;
import com.sandu.common.file.FileUploadDto;
import com.sandu.common.file.impl.AliOssFileServiceImpl;
import com.sandu.common.object.BaseConditionVO;
import com.sandu.common.service.impl.BaseServiceImpl;
import com.sandu.ximon.admin.param.EditFileParam;
import com.sandu.ximon.admin.security.SecurityUtils;
import com.sandu.ximon.dao.bo.PlatformFileListBo;
import com.sandu.ximon.dao.domain.PlatformFile;
import com.sandu.ximon.dao.domain.PlatformFileUser;
import com.sandu.ximon.dao.enums.AdministratorEnums;
import com.sandu.ximon.dao.mapper.PlatformFileMapper;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.List;

/**
 * @author LiuHaoNan
 * @date 2022/9/14
 */
@Slf4j
@Service
@AllArgsConstructor
public class PlatformFileService extends BaseServiceImpl<PlatformFileMapper, PlatformFile> {

    private final AliOssFileServiceImpl aliOssFileService;
    private final PlatformFileUserService platformFileUserService;

    /**
     * 文件上传
     *
     * @param file
     * @return
     */
    public boolean addProgramFile(MultipartFile file) {
        PermissionToCheck();
        FileUploadDto fileUploadDto = aliOssFileService.uploadFile(file);
        PlatformFile platformFile = new PlatformFile();
        platformFile.setFileName(fileUploadDto.getFileName());
        platformFile.setFileSize(fileUploadDto.getFileSize());
        platformFile.setFileUrl(fileUploadDto.getFileUrl());
        log.error("超管进行文件上传[ 文件名:" + fileUploadDto.getFileName() + ", 文件大小: " + fileUploadDto.getFileSize() + ", url: " + fileUploadDto.getFileUrl() + "]");
        return save(platformFile);
    }

    /**
     * 修改文件名称
     * @param param
     * @return
     */
    public boolean updateFileName(EditFileParam param) {
        PermissionToCheck();
        if (param.getFileId() == null || param.getFileName().isEmpty()) {
            throw new BusinessException("编辑时参数不能为空!");
        }
        PlatformFile byId = getById(param.getFileId());
        if (byId == null) {
            throw new BusinessException("未找到文件!");
        }
        byId.setFileName(param.getFileName());
        return updateById(byId);
    }

    /**
     * 删除文件
     * @param param
     * @return
     */
    public boolean deleteFile(EditFileParam param) {
        PermissionToCheck();
        if (param.getFileIds() == null || param.getFileIds().size() == 0) {
            throw new BusinessException("删除时参数不能为空!");
        }
        List<PlatformFile> platformFiles = listByIds(param.getFileIds());
        if (platformFiles == null && platformFiles.size() == 0) {
            throw new BusinessException("未找到文件!");
        }
        return removeByIds(platformFiles);
    }


    /**
     * 平台文件资源列表
     * @param vo
     * @param keyword
     * @return
     */
    public Object fileList(BaseConditionVO vo, String keyword) {
        List<PlatformFileListBo> platformFileListBos;
        if (AdministratorEnums.ADMIN.getCode().equals(SecurityUtils.getUserDetails().getAdministratorType())) {
            PageHelper.startPage(vo.getPageNo(), vo.getPageSize());
            platformFileListBos = baseMapper.fileLiet(keyword, null);
        } else {
            PageHelper.startPage(vo.getPageNo(), vo.getPageSize());
            platformFileListBos = baseMapper.fileLiet(keyword, SecurityUtils.getUserId());
        }
        return platformFileListBos;
    }

    /**
     * 下载文件
     * @param fileId
     * @return
     */
    public String downFile(Long fileId) {
        if(!AdministratorEnums.ADMIN.getCode().equals(SecurityUtils.getUserDetails().getAdministratorType())){
            PlatformFileUser one = platformFileUserService.getOne(Wrappers.lambdaQuery(PlatformFileUser.class)
                    .eq(PlatformFileUser::getUserId, SecurityUtils.getUserId()).eq(PlatformFileUser::getFileId, fileId));
            if (one == null) {
                throw new BusinessException("抱歉,你无权下载 !");
            }
        }
        PlatformFile byId = getById(fileId);
        return byId.getFileUrl();
    }


//    public boolean  setPermission(){}


    /**
     * 权限校验
     */
    private void PermissionToCheck() {
        if (!AdministratorEnums.ADMIN.getCode().equals(SecurityUtils.getUserDetails().getAdministratorType())) {
            //超管
            throw new BusinessException("非超管不能操作");
        }
    }
}