package com.fdkankan.fusion.controller;

import cn.hutool.core.io.FileUtil;
import com.fdkankan.fusion.common.FilePath;
import com.fdkankan.fusion.common.ResultCode;
import com.fdkankan.fusion.common.ResultData;
import com.fdkankan.fusion.common.util.SceneTypeUtil;
import com.fdkankan.fusion.common.util.UploadToOssUtil;
import com.fdkankan.fusion.exception.BusinessException;
import com.fdkankan.fusion.httpClient.request.LaserSceneParam;
import com.fdkankan.fusion.request.ScenePram;
import com.fdkankan.fusion.response.FileInfoVo;
import com.fdkankan.fusion.service.ISceneService;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;

@RestController
@RequestMapping("/scene")
public class SceneController extends BaseController{

    @Autowired
    ISceneService sceneService;

    @PostMapping("/list")
    public ResultData list(@RequestBody ScenePram param){
        param.setShare(getShare());
        param.setUserId(getUserId());
        return ResultData.ok(sceneService.pageList(param));
    }

    @GetMapping("/getFdTokenByNum")
    public Object getFdTokenByNum(@RequestParam(required = false) String num){

        return sceneService.getFdTokenByNum(num);
    }

    @GetMapping("/deleteNum")
    public ResultData deleteNum(@RequestParam(required = false) String num){
        sceneService.deleteNum(num);
        return ResultData.ok();
    }


    @PostMapping("/sceneDetail")
    public ResultData sceneDetail(@RequestBody LaserSceneParam param){
        return ResultData.ok(sceneService.sceneDetail(param));
    }

    @PostMapping("/buildSceneObj")
    public ResultData buildSceneObj(@RequestBody LaserSceneParam param){
        sceneService.buildSceneObj(param);
        return ResultData.ok();
    }

    @PostMapping("/copyScene")
    public ResultData copyScene(@RequestBody ScenePram param){
        sceneService.copyScene(param);
        return ResultData.ok();
    }

    @Autowired
    UploadToOssUtil uploadToOssUtil;

    @Value("${spring.profiles.active}")
    private String environment;
    @GetMapping("/downMD5")
    public void downMD5(@RequestParam(required = false) String num,
                        @RequestParam(required = false) Integer type,
                               HttpServletResponse res, HttpServletRequest req) throws IOException {
        if(StringUtils.isBlank(num) || type == null){
            throw new BusinessException(ResultCode.MISSING_REQUIRED_PARAMETERS);
        }

        // 设置响应头，指定文件类型和内容长度
        OutputStream os = null;
        try {
            FileInfoVo fileInfo = null;
            Long size = null;
            String sceneObjPath =null;

            if(SceneTypeUtil.isLaser(type)){  //点云
                sceneObjPath = String.format(FilePath.LASER_OSS_PATH, num,num)+"/cloud.js" ;
                fileInfo = uploadToOssUtil.getFileInfo(sceneObjPath);
                String scenePath = String.format(FilePath.LASER_OSS_PATH, num,num);
                size = uploadToOssUtil.getSize(scenePath);
            }else {
                sceneObjPath = String.format(FilePath.OBJ_OSS_PATH,num) + "/images/3dtiles/tileset.json";
                if(!uploadToOssUtil.existKey(sceneObjPath)){
                    sceneObjPath = String.format(FilePath.OBJ_OSS_PATH,num) + "/data/mesh/mesh.json";
                }
                if(!uploadToOssUtil.existKey(sceneObjPath)){
                    sceneObjPath = String.format(FilePath.OBJ_OSS_PATH,num) + "/data/mesh/mesh.obj";
                }
                fileInfo = uploadToOssUtil.getFileInfo(sceneObjPath);
                String scenePath = String.format(FilePath.OBJ_OSS_PATH, num);
                size = uploadToOssUtil.getSize(scenePath);
            }
            if(fileInfo == null){
                throw new BusinessException(ResultCode.FILE_NOT_EXIST);
            }
            fileInfo.setSize(size);
            String objPath = String.format(FilePath.OBJ_LOCAL_PATH,environment , num) ;
            File file = new File(objPath +"/"+num + "_hash.txt");
            res.setContentType("application/octet-stream");
            res.setHeader("Content-Disposition", "attachment; filename="+num + "_hash.txt");
            os = res.getOutputStream();
            FileUtil.writeString(fileInfo.toString(),file,"UTF-8");
            os.write(FileUtils.readFileToByteArray(file));
            os.flush();
        } finally {
            if(os!=null){
                os.close();
            }
        }
    }

}