package cn.timer.api.service;

import cn.timer.api.service.impl.OSSServiceImpl;
import cn.timer.api.utils.Result;
import cn.timer.api.utils.ResultUtil;
import cn.timer.api.utils.aliyun.OSSUtil;
import cn.timer.api.utils.random.RandomNum;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.ReentrantLock;

/**
 * 上传文件的实现层
 */
@Service
public class OSSService implements OSSServiceImpl {

    @Autowired
    private OSSUtil oss;

    private static ReentrantLock lock= new ReentrantLock();

    /**
     *
     * @param orgCode
     * @param moudle
     * @param file
     * @return
     */
    @Override
    public Result<String> upload(int orgCode, String moudle, MultipartFile file) {
        lock.lock();
        String url = null;
        String randomNickname = RandomNum.getRandomNickname();
        File filePath = filePathUpload(orgCode, moudle, randomNickname, file.getOriginalFilename());
        int i = 0;
        while (filePath.exists()) {
            filePath =  filePathUpload(orgCode,moudle,randomNickname,file.getOriginalFilename());
            i++;
        }
        if (file == null || file.getSize() <= 0) {
            lock.unlock();
            return ResultUtil.error("上传的文件为空，请重新选择！");
        } else {
            try {
                url = oss.uploadFile(filePath, file.getInputStream());
            } catch (IOException e) {
                e.printStackTrace();
            }
            lock.unlock();
            return ResultUtil.data(url, "上传成功！");
        }
    }
    public static   File filePathUpload(int orgCode,String moudle,String randomNickname,String  originalFilename){
       String path = "8timer2.0/" + orgCode + "/" + moudle + "/" + randomNickname + "/" + originalFilename;
       File  filePath = new File(path);
       return filePath;
    }
    public Result<Object> uploads(int orgCode, String moudle, List<MultipartFile> files){
        String url = null;
        List<String> list = new ArrayList<String>();
        for (MultipartFile file : files) {
            String randomNickname = RandomNum.getRandomNickname();
            File filePath = filePathUpload(orgCode, moudle, randomNickname, file.getOriginalFilename());
            int i = 0;
            while (filePath.exists()) {
                filePath =  filePathUpload(orgCode,moudle,randomNickname,file.getOriginalFilename());
                i++;
            }
            if (file == null || file.getSize() <= 0) {
                return ResultUtil.error("上传的文件为空，请重新选择！");
            } else {
                try {
                    url = oss.uploadFile(filePath, file.getInputStream());
                    list.add(url);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return ResultUtil.data(list, "上传成功！");
    }
}