package com.fd.controller;

import com.fd.constant.Command;
import com.fd.constant.MsgCode;
import com.fd.constant.TypeCode;
import com.fd.dto.ConfigJsonDto;
import com.fd.dto.PageDto;
import com.fd.entity.FileEntity;
import com.fd.entity.OutputFileEntity;
import com.fd.server.ModelServer;
import com.fd.thread.AsyncTask;
import com.fd.util.FileUtils;
import com.fd.util.R;
import com.fd.util.RegexUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import lombok.extern.log4j.Log4j2;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.apache.shiro.authz.annotation.RequiresRoles;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.domain.Page;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.util.Date;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * Created by Owen on 2019/11/12 0012 9:40
 * <p>
 * 3D模型数据
 */
@Api(tags = "模型模块")
@Log4j2
@RequestMapping("api/fdModel")
@RestController
public class ModelController {

    @Value("${input.file.path.model}")
    private String INPUT_FILE_PATH;

    @Value("${output.file.path.model}")
    private String OUTPUT_FILE_PATH;


    @Autowired
    private AsyncTask asyncTask;

    @Autowired
    private ModelServer modelServer;


    /**
     * 队列
     */
    private static BlockingQueue<Integer> modelQueue = new LinkedBlockingQueue<Integer>(2);

    /**
     * 保证线程安全的
     */
    private static AtomicInteger count = new AtomicInteger();


    @ApiOperation("上传数据，校验文件名")
    @GetMapping("check/{fileName}/")
    @ApiImplicitParam(name = "fileName", value = "文件名", required = true)
    public R checkFileName(@PathVariable("fileName") String fileName) {
        log.info("run checkFileName {}", fileName);


        // 文件是否包含中文字符
//        if (RegexUtils.regexChinese(fileName)) {
//            return new R(51005, MsgCode.E51005);
//        }

        String s = StringUtils.substringAfterLast(fileName, ".");
        if (!"zip".equals(s)) {
            return new R(50007, MsgCode.E50007);
        }

        List<FileEntity> list = modelServer.findByFileName(fileName);
        if (list.size() > 0) {
            return new R(51006, MsgCode.E51006);
        }
        return new R(200, MsgCode.SUCCESS);
    }

    @ApiOperation("上传3D模型数据")
    @PostMapping(value = "upload", consumes = {"multipart/form-data"})
    @ApiImplicitParam(name = "file", value = "只能上传zip文件", required = true)
    public R upload(@RequestParam("file") MultipartFile file, HttpServletRequest req) {
        log.info("run upload");
        String token = req.getHeader("Authorization");

        // 文件名全名
        String fileName = file.getOriginalFilename();

        // 文件是否包含中文字符
//        if (RegexUtils.regexChinese(fileName)) {
//            return new R(51005, MsgCode.E51005);
//        }

        String s = StringUtils.substringAfterLast(fileName, ".");
        if (!"zip".equals(s)) {
            return new R(50007, MsgCode.E50007);
        }

        List<FileEntity> list = modelServer.findByFileName(fileName);
        if (list.size() > 0) {
            return new R(51006, MsgCode.E51006);
        }
        return modelServer.uploadBigFile(file, token);
    }


    @ApiOperation("解压zip文件")
    @GetMapping("unzip/{fileId}/")
    @ApiImplicitParam(name = "fileId", value = "文件id", required = true)
    public R fileUnzip(@PathVariable("fileId") Long fileId) {
        log.info("run fileUnzip: {}", fileId);

        OutputFileEntity entity = modelServer.findById(fileId);

        String outputPath = OUTPUT_FILE_PATH + "unzip";
        FileUtils.createDir(outputPath);

        boolean unzip = FileUtils.unzip(entity.getUploadPath(), outputPath);

        if (!unzip) {
            log.info("zip error: {}", MsgCode.E51001);
            return new R(50001, MsgCode.E51001);
        }

        String fileName = StringUtils.substringBeforeLast(entity.getFileName(), ".");

        entity.setStatus(4);
        entity.setUpdateTime(new Date());
        entity.setUnZipPath(outputPath + File.separator + fileName);

        entity = modelServer.save(entity);

        return new R(200, entity);
    }

    @ApiOperation("获取3D模型数据列表")
    @PostMapping(value = "list")
    public R list(@RequestBody PageDto param, HttpServletRequest req) {
        String token = req.getHeader("Authorization");

        Page<OutputFileEntity> page = modelServer.findByList(TypeCode.FILE_TYPE_MODEL, param, token);
        return new R(200, page);
    }


    @ApiImplicitParam(name = "fileId", value = "文件id", required = true)
    @ApiOperation("删除文件")
    @GetMapping("delete/{fileId}/")
    public R deleteFile(@PathVariable("fileId") Long fileId) {
        log.info("run deleteFile: {}", fileId);
        OutputFileEntity entity = modelServer.findById(fileId);
        entity.setResStatus(1);
        modelServer.save(entity);

        FileEntity fileEntity = modelServer.findByInputFileId(entity.getUploadId());
        fileEntity.setResStatus(1);
        modelServer.saveInputFile(fileEntity);

        asyncTask.modelDelete(fileId, modelServer);
        return new R(200, MsgCode.SUCCESS);
    }

    @ApiImplicitParam(name = "fileId", value = "文件id", required = true)
    @ApiOperation("倾斜摄影数据切片")
    @GetMapping("command/osgb/{fileId}/")
    public R cmdModelSlice(@PathVariable("fileId") Long fileId) {
        log.info("run cmdModelSlice: {}", fileId);
        OutputFileEntity entity = modelServer.findById(fileId);


        String fileName = StringUtils.substringBeforeLast(entity.getFileName(), ".");
        String outputPath = OUTPUT_FILE_PATH + "slice";
        FileUtils.createDir(outputPath);

        outputPath = outputPath + File.separator + fileName;
        // 传入的是目录
        String cmd = Command.MODEL_SLICE_OSGB;
        cmd = cmd.replace("@inputFile", entity.getUnZipPath());
        cmd = cmd.replace("@outputFile", outputPath);
        log.info("cmd: {}", cmd);


        // 把数据放入队列中
        boolean offer = false;
        try {
            offer = modelQueue.offer(count.incrementAndGet(), 1, TimeUnit.SECONDS);
            log.info("model slice 入队成功");
        } catch (Exception e) {

            log.error("error  producer queue model cmdModelSlice： {}", e);
            e.printStackTrace();
        }
        log.info("end cmdModelSlice");

        if (offer) {
            // 命令产生的是文件夹
            entity.setStatus(6);
            entity.setUpdateTime(new Date());
            entity.setSlicePath(outputPath);

            entity = modelServer.save(entity);
            asyncTask.modelSlice(modelQueue, modelServer, entity, cmd);
            return new R(200, entity);
        }
        // 入队失败
        return new R(52000, MsgCode.E52000);

    }

    @ApiImplicitParam(name = "fileId", value = "文件id", required = true)
    @RequiresRoles("admin")
    @ApiOperation("移动数据到服务器上")
    @PostMapping("move/{fileId}/")
    public R moveFile(@PathVariable("fileId") Long fileId, @RequestBody ConfigJsonDto param) {
        log.info("run moveFile: {}", fileId);
        return modelServer.moveFileToServer(fileId, param);
    }


    @ApiIgnore
    @RequiresRoles("admin")
    @ApiOperation("测试")
    @PostMapping("test")
    public R test() {
        log.info("run test ");
        return new R(2000, "admin 权限可以查看 model");
    }


}