package com.fd.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.fd.constant.Command;
import com.fd.constant.MsgCode;
import com.fd.constant.TypeCode;
import com.fd.dto.ConfigJsonDto;
import com.fd.dto.MyQueue;
import com.fd.dto.PageDto;
import com.fd.entity.FileEntity;
import com.fd.entity.OutputFileEntity;
import com.fd.server.CmdServer;
import com.fd.server.RasterServer;
import com.fd.server.impl.CmdServerImpl;
import com.fd.server.impl.RasterServerImpl;
import com.fd.thread.AsyncTask;
import com.fd.util.FileUtils;
import com.fd.util.R;
import com.fd.util.RegexUtils;
import com.fd.util.SpringContext;
import io.swagger.annotations.ApiOperation;
import lombok.extern.log4j.Log4j2;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.scheduling.annotation.Async;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;

/**
 * Created by Owen on 2019/11/12 0012 9:40
 *
 * 栅格数据
 */
@Log4j2
@RequestMapping("api/raster")
@RestController
public class RasterController {

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

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

    @Autowired
    private AsyncTask asyncTask;

    @Autowired
    private RasterServer rasterServer;


    private static BlockingQueue<MyQueue> sliceQueue = new LinkedBlockingQueue<MyQueue>(2);

    private static BlockingQueue<MyQueue> coordQueue = new LinkedBlockingQueue<MyQueue>(2);




    @ApiOperation("上传数据，校验文件名")
    @GetMapping("check/{fileName}/")
    private 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)) {
            log.info(MsgCode.E51005);
            return new R(51005, MsgCode.E51005);
        }

        String s = StringUtils.substringAfterLast(fileName, ".");
        if (!"tif".equals(s)) {
            log.info(MsgCode.E50008);
            return new R(50008,MsgCode.E50008);
        }

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

    @ApiOperation("上传栅格数据，只能上传tif文件")
    @PostMapping(value = "upload", consumes = { "multipart/form-data" })
    private R upload(@RequestParam("file") MultipartFile file, @RequestParam(value = "coord",required = false) String[] coord){
        log.info("run upload");
        log.info("coord: {}", Arrays.toString(coord));
        String strCoord = Arrays.toString(coord);


        // 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 (!"tif".equals(s)) {
            return new R(50008,MsgCode.E50008);
        }

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


        R r = rasterServer.uploadBigFile(file, strCoord);

        OutputFileEntity entity = (OutputFileEntity) r.getData();

        // 判断坐标
        entity = JudgeCoord(entity, rasterServer);

        return new R(200, entity);

    }

    /**
     * 上传后判断坐标，显示原始坐标
     * @return
     */
    private OutputFileEntity JudgeCoord(OutputFileEntity entity, RasterServer rasterServer){

        String cmd = Command.RASTER_JUDGE_COORD;
        cmd = cmd.replace("@inputFile", entity.getUploadPath());
        log.info("cmd: {}", cmd);


        Integer isJudge = rasterServer.cmdJudgeCoord(cmd);


        if (1000 == isJudge){
            log.info("need to transform");
            // 严格坐标转换
            entity.setCoordType(TypeCode.COORD_XIAN_1980);

        } else if (0 == isJudge){
            log.info("not to transform");
            entity.setCoordType(TypeCode.COORD_WGS84);

        } else {
            log.info("error exeCmd");
            entity.setStatus(7);

        }

        entity.setUpdateTime(new Date());
        rasterServer.save(entity);
        return entity;
    }

    @ApiOperation("获取栅格数据列表")
    @PostMapping(value = "list")
    private R list(@RequestBody PageDto param){
        return rasterServer.findByType(TypeCode.FILE_TYPE_RASTER, param);
    }



    @ApiOperation("删除文件")
    @GetMapping("delete/{fileId}/")
    private R deleteFile(@PathVariable("fileId") Long fileId) {
        log.info("run deleteFile: {}", fileId);

        OutputFileEntity entity = rasterServer.findById(fileId);
        entity.setResStatus(1);
        rasterServer.save(entity);

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

        asyncTask.rasterDelete(fileId, rasterServer);

        log.info("delete raster id: {}", fileId);
        return new R(200, MsgCode.SUCCESS);
    }





    @ApiOperation("栅格数据判断坐标")
    @GetMapping("command/judge/coord/{fileId}/")
    private R cmdJudgeCoord(@PathVariable("fileId") Long fileId) {
        log.info("run cmdJudgeCoord: {}", fileId);


        OutputFileEntity entity = rasterServer.findById(fileId);


        String cmd = Command.RASTER_JUDGE_COORD;
        cmd = cmd.replace("@inputFile", entity.getUploadPath());
        log.info("cmd: {}", cmd);



        // 把数据放入队列中
        MyQueue data = new MyQueue();
        data.setOutputFile(entity);
        data.setStr(cmd);
        boolean offer = false;
        try {
            offer = coordQueue.offer(data, 1, TimeUnit.SECONDS);
            log.info("入队成功");
        } catch (Exception e) {
            log.error("error  producer queue raster cmdJudgeCoord： {}", e);
            e.printStackTrace();
        }


        if (offer) {
            entity.setStatus(9);
            entity.setUpdateTime(new Date());
            entity = rasterServer.save(entity);
            log.info("coord entity: {}",entity);
            log.info("coord producer update time: {}", entity.getUpdateTime());

            asyncTask.rasterJudgeCoordConsumerThread(coordQueue, rasterServer, OUTPUT_FILE_PATH);

            return new R(200, entity);
        }
        return new R(52000, MsgCode.E52000);
    }



    @ApiOperation("栅格数据切片命令")
    @GetMapping("command/osgeo/{fileId}/{layerMin}/{layerMax}/")
    private R cmdSlice(@PathVariable("fileId") Long fileId, @PathVariable("layerMin") String layerMin, @PathVariable("layerMax") String layerMax) {
        log.info("run cmdSlice: {}", fileId);

        if (!RegexUtils.regexInt(layerMin)){
            return new R(50010, MsgCode.E50010) ;
        }
        if (!RegexUtils.regexInt(layerMax)){
            return new R(50010, MsgCode.E50010) ;
        }


        OutputFileEntity entity = rasterServer.findById(fileId);

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

        String outFilePath = OUTPUT_FILE_PATH + "slice" + File.separator + fileName;
        FileUtils.createDir(outFilePath);


        String cmd = Command.RASTER_SLICE_OSGEO;
        cmd = cmd.replace("@inputFile", entity.getCoordStrictPath());
        cmd = cmd.replace("@outputFile", outFilePath);
        cmd = cmd.replace("@layerMin", layerMin);
        cmd = cmd.replace("@layerMax", layerMax);
        log.info("cmd: {}", cmd);



        // 把数据放入队列中
        MyQueue data = new MyQueue();
        data.setOutputFile(entity);
        data.setStr(cmd);
        boolean offer = false;
        try {
            offer = sliceQueue.offer(data, 1, TimeUnit.SECONDS);
            log.info("raster slice 入队成功");
        } catch (Exception e) {
            log.error("error  producer queue raster cmdSlice： {}", e);
            e.printStackTrace();
        }

        if (offer) {
            // 设个默认进度给前端显示
            entity.setProgress(1);
            entity.setStatus(6);
            entity.setLayerMin(Integer.valueOf(layerMin));
            entity.setLayerMax(Integer.valueOf(layerMax));
            entity.setUpdateTime(new Date());
            entity.setSlicePath(outFilePath);

            entity = rasterServer.save(entity);

            asyncTask.rasterSliceThread(sliceQueue, rasterServer);

            return new R(200, entity) ;
        }
        return new R(52000, MsgCode.E52000);
    }



    @ApiOperation("栅格数据进度查询")
    @GetMapping("progress/{fileId}/")
    private R getProgress(@PathVariable("fileId") Long fileId) {
        OutputFileEntity entity = rasterServer.findById(fileId);
        return new R(200, entity);
    }


    @ApiOperation("移动数据到服务器上")
    @PostMapping("move/{fileId}/")
    private R moveFile(@PathVariable("fileId") Long fileId, @RequestBody ConfigJsonDto param) {
        log.info("run moveFile: {}", fileId);
        return rasterServer.moveFileToServer(fileId, param);
    }


}