package com.fd.controller;

import com.fd.constant.Command;
import com.fd.constant.MsgCode;
import com.fd.constant.TypeCode;
import com.fd.dto.PageDto;
import com.fd.entity.FileEntity;
import com.fd.server.CmdServer;
import com.fd.server.FileServer;
import com.fd.util.R;
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.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.ArrayList;
import java.util.Date;

/**
 * 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}")
    private String INPUT_FILE_PATH;

    @Autowired
    private FileServer fileServer;

    @Autowired
    private CmdServer cmdServer;


    @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){
        log.info("run upload");

        // 文件名全名
        String fileName = file.getOriginalFilename();
        String s = StringUtils.substringAfterLast(fileName, ".");
        if (!"tif".equals(s)) {
            return new R(50008,MsgCode.E50008);
        }

        return fileServer.uploadBigFile(file, TypeCode.FILE_TYPE_RASTER_TIF);
    }

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


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

    @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);
        FileEntity entity = fileServer.findById(fileId);

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

        Integer isJudge = cmdServer.exeCmdRasterJudgeCoord(cmd);

        if (1000 == isJudge){
            log.info("need to transform");
            // 严格坐标转换
            entity = cmdTansformGdalwarpStrict(fileId);
        } else if (0 == isJudge){
            log.info("not to transform");
        } else {
            log.info("error exeCmd");
            return new R(50005, MsgCode.E50005);
        }


        return new R(200, entity);
    }



//    @ApiOperation("栅格数据普通坐标转换")
//    @GetMapping("command/transform/gdalwarp/{fileId}/")
//    private R cmdTansformGdalwarp(@PathVariable("fileId") Long fileId) {
//        log.info("run cmdTansformGdalwarp: {}", fileId);
//        FileEntity entity = fileServer.findById(fileId);
//
//        String fileName = StringUtils.substringBefore(entity.getFileName(), ".");
//
//        String cmd = Command.RASTER_TRANSFORM_GDALWARP;
//        cmd = cmd.replace("@fileName",fileName);
//        log.info("cmd: {}", cmd);
//
//        Integer integer = cmdServer.exeCmdInt(cmd);
//        if (integer != 0) {
//            log.info("error command transform");
//            return new R(50005, MsgCode.E50005);
//        }
//
//        FileEntity fileEntity = new FileEntity();
//        fileEntity.setFileName(entity.getFileName());
//        // /root/gis/cesium/input/transform/@fileName.tif
//        fileEntity.setFileUrl(INPUT_FILE_PATH + "transform" + File.separator + entity.getFileName());
//        fileEntity.setCreateTime(new Date());
//        fileEntity.setUpdateTime(new Date());
//        fileEntity.setType(TypeCode.FILE_TYPE_RASTER_TIF);
//        fileEntity = fileServer.save(fileEntity);
//
//        return new R(200, fileEntity) ;
//    }


//    @ApiOperation("栅格数据严格坐标转换")
//    @GetMapping("command/transform/strict/gdalwarp/{fileId}/")
//    private R cmdTansformGdalwarpStrict(@PathVariable("fileId") Long fileId) {
//        log.info("run cmdTansformGdalwarpStrict: {}", fileId);
//        FileEntity entity = fileServer.findById(fileId);
//
//        String fileName = StringUtils.substringBefore(entity.getFileName(), ".");
//
//        String step_1 = Command.RASTER_TRANSFORM_GDALWARP_STRICT_1;
//        String step_2 = Command.RASTER_TRANSFORM_GDALWARP_STRICT_2;
//        step_1 = step_1.replace("@fileName",fileName);
//        step_2 = step_2.replace("@fileName",fileName);
//        log.info("cmd1: {}", step_1);
//        log.info("cmd2: {}", step_2);
//
//        Integer integer = cmdServer.exeCmd(step_1, step_2);
//
//        if (integer != 0) {
//            log.info("error command transform");
//            return new R(50005, MsgCode.E50005);
//        }
//
//        FileEntity fileEntity = new FileEntity();
//        fileEntity.setFileName(entity.getFileName());
//        // /root/gis/cesium/input/transform_strict/@fileName.tif
//        fileEntity.setFileUrl(INPUT_FILE_PATH + "transform_strict" + File.separator + entity.getFileName());
//        fileEntity.setCreateTime(new Date());
//        fileEntity.setUpdateTime(new Date());
//        fileEntity.setType(TypeCode.FILE_TYPE_RASTER_TIF);
//        fileEntity = fileServer.save(fileEntity);
//
//        return new R(200, fileEntity) ;
//    }

    @ApiOperation("栅格数据切片命令")
    @GetMapping("command/osgeo/{fileId}/")
    private R cmdOsgeo(@PathVariable("fileId") Long fileId) {
        log.info("run cmdOsgeo: {}", fileId);
        FileEntity entity = fileServer.findById(fileId);

        String fileName = StringUtils.substringBefore(entity.getFileName(), ".");
        // fileName_tiles
        fileName = fileName + "_tiles";
        String cmd = Command.RASTER_SLICE_OSGEO;
        cmd = cmd.replace("@filePath", entity.getFileUrl());
        cmd = cmd.replace("@fileName",fileName);
        log.info("cmd: {}", cmd);

//        Integer integer = cmdServer.exeCmdRasterSlice(cmd);
//        if (integer != 0) {
//            log.info("error command exeCmdRasterSlice");
//            return new R(50005, MsgCode.E50005);
//        }

        FileEntity fileEntity = new FileEntity();
        fileEntity.setFileName(fileName);
        fileEntity.setFileUrl(INPUT_FILE_PATH + fileName);
        fileEntity.setCreateTime(new Date());
        fileEntity.setUpdateTime(new Date());
        fileEntity.setType(TypeCode.FILE_TYPE_RASTER_TIF);
        fileEntity = fileServer.save(fileEntity);

        // 多线程运行切片
        new Thread(new RasterSliceThread(cmd, fileEntity)).start();

        return new R(200, fileEntity) ;
    }


    public class RasterSliceThread implements Runnable{

        private String cmd;

        private FileEntity entity;

        private RasterSliceThread(String cmd, FileEntity entity){
            this.cmd = cmd;
            this.entity = entity;
        }

        @Override
        public void run() {
            log.warn("run RasterSliceThread");
            Integer integer = cmdServer.exeCmdRasterSlice(cmd, entity);
            if (integer != 0) {
                log.info("error command exeCmdRasterSlice");
//                return new R(50005, MsgCode.E50005);
                // 如果命令运行失败，删除刚才创建的实体类
                fileServer.deleteById(entity.getId());
                return;
            }
//            // 需要告诉前端，当状态为1是，才是可以的
//            entity.setStatus(1);
//            fileServer.save(entity);

            log.warn("end RasterSliceThread");
        }
    }

    // 严格坐标转换
    private FileEntity cmdTansformGdalwarpStrict(Long fileId){
        log.info("run cmdTansformGdalwarpStrict: {}", fileId);
        FileEntity entity = fileServer.findById(fileId);

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

        String step_1 = Command.RASTER_TRANSFORM_GDALWARP_STRICT_1;
        String step_2 = Command.RASTER_TRANSFORM_GDALWARP_STRICT_2;
        step_1 = step_1.replace("@fileName",fileName);
        step_2 = step_2.replace("@fileName",fileName);
        log.info("cmd1: {}", step_1);
        log.info("cmd2: {}", step_2);

        Integer integer = cmdServer.exeCmd(step_1, step_2);

        if (integer != 0) {
            log.info("error command transform");
            return null;
//            return new R(50005, MsgCode.E50005);
        }

        FileEntity fileEntity = new FileEntity();
        fileEntity.setFileName(entity.getFileName());
        // /root/gis/cesium/input/transform_strict/@fileName.tif
        fileEntity.setFileUrl(INPUT_FILE_PATH + "transform_strict" + File.separator + entity.getFileName());
        fileEntity.setCreateTime(new Date());
        fileEntity.setUpdateTime(new Date());
        fileEntity.setType(TypeCode.FILE_TYPE_RASTER_TIF);
        fileEntity = fileServer.save(fileEntity);

        return fileEntity;
    }


    //        String a = "112222.zip";
//        String b = "11/2222/aa";
//        String c = "11/2222/aa.zip";
//        String e = "/root/gis/cesium/input/test/clip.shp";
//        System.out.println(StringUtils.stripStart(a, "."));
//        System.out.println("After: " + StringUtils.substringAfter(a, "."));
//        System.out.println("before: " + StringUtils.substringBefore(a, "."));
//        System.out.println("c: " + StringUtils.substringBefore(c, "/"));
//        System.out.println("c: " + StringUtils.substringBeforeLast(c, "/"));
//        System.out.println(StringUtils.substringBefore(b, "/"));
//        System.out.println(StringUtils.substringBeforeLast(b, "/"));
//        System.out.println(StringUtils.substring(b, b.lastIndexOf("/") + 1, b.length()));
//        System.out.println("e: " + StringUtils.substringBeforeLast(e, "/"));
//        System.out.println("e1: " + StringUtils.substring(e, e.indexOf("input/") + 6, e.lastIndexOf("/")));
//        System.out.println("===========================================");
//        System.out.println();
//
//        System.out.println("a: " + StringUtils.substringAfterLast(a, "."));

    public static void main(String[] args) {
        String a = "0...10...20...30...40...50...60...70...80...90...100.....10..11";
        String b = "...10";
        String c = "...10...20";
        String d = "...10...100";
        String re = "\\.\\.\\.";
        String r1 = "...";
//        String s = a.replaceAll(re, "@");
        String rr = "\\.\\.\\.[0-9]{2,3}";
        System.out.println("b: " + b.matches(rr));
        System.out.println("c: " + c.matches(rr));

        System.out.println("c: " + StringUtils.substring(c, -2));
        System.out.println("d: " + StringUtils.substring(d, -2));

        System.out.println("a: " + StringUtils.contains(a, "..."));

        System.out.println("d: " + StringUtils.substring(d, -6));
        System.out.println("c: " + StringUtils.substring(c, -6));

        System.out.println("a: " + a.matches(r1));

    }
}