package org.rcisoft.common.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

/**
 * Created with family.
 * author: cy
 * Date: 16/6/28
 * Time: 下午3:28
 * description:  文件操作
 */
@Slf4j
@Controller
public class FileController<T> extends PaginationController<T> {
    protected static final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
    protected static final String SEPARATOR;


    static {
        SEPARATOR = File.separator;
    }

    protected String globalCommonFileUpload(MultipartFile multipartFile, String savingPatternOrFullName, String savingAbsolutePath) {
        String finalSavingPath;
        String returnFinalFileName;
        label32: {
            String fileExtendsName = "." + getSuffix(multipartFile.getOriginalFilename());
            finalSavingPath = "";
            savingPatternOrFullName = savingPatternOrFullName.toUpperCase();
            returnFinalFileName = "";
            switch(savingPatternOrFullName.hashCode()) {
                case 2090926:
                    if(savingPatternOrFullName.equals("DATE")) {
                        returnFinalFileName = getCurrentDateTimeString() + fileExtendsName;
                        finalSavingPath = savingAbsolutePath + SEPARATOR + getCurrentDateTimeString() + fileExtendsName;
                        break label32;
                    }
                    break;
                case 2616251:
                    if(savingPatternOrFullName.equals("UUID")) {
                        returnFinalFileName = getUUIDString() + fileExtendsName;
                        finalSavingPath = savingAbsolutePath + SEPARATOR + getUUIDString() + fileExtendsName;
                        break label32;
                    }
            }

            returnFinalFileName = savingPatternOrFullName;
            finalSavingPath = savingAbsolutePath + SEPARATOR + savingPatternOrFullName;
        }

//        File file = new File(finalSavingPath);
//        if(!file.mkdirs()) {
//            file.mkdirs();
//        }
//
//        try {
//            multipartFile.transferTo(file);
//        } catch (IllegalStateException var10) {
//            var10.printStackTrace();
//        } catch (IOException var11) {
//            var11.printStackTrace();
//        }
//
//        return returnFinalFileName;

        //以下代码修改过
        File file = new File(finalSavingPath);
        File fileDir =  new File(savingAbsolutePath);
        if(!fileDir.exists()) {
            fileDir.mkdirs();
        }

        try {
            file.deleteOnExit();
            file.createNewFile();
            multipartFile.transferTo(file);
        } catch (IllegalStateException var10) {
            var10.printStackTrace();
        } catch (IOException var11) {
            var11.printStackTrace();
        }

        //修改过
        return finalSavingPath;
    }



    public static String getSuffix(String filename) {
        String suffix = "";
        int pos = filename.lastIndexOf(46);
        if(pos > 0 && pos < filename.length() - 1) {
            suffix = filename.substring(pos + 1);
        }

        return suffix;
    }


    protected static String getUUIDString() {
        return UUID.randomUUID().toString().replaceAll("-", "").toUpperCase();
    }

    protected static String getCurrentDateTimeString() {
        return simpleDateFormat.format(new Date());
    }

}