package com.qxueyou.scc.sys.service.impl;

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import javax.annotation.PostConstruct;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.stereotype.Service;

import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.base.service.impl.CommonAppService;
import com.qxueyou.scc.config.SccConfig;
import com.qxueyou.scc.sys.service.IOssService;

/**
 *上传服务
 * 
 * @author 德虎
 * 
 */
@Service
@EnableConfigurationProperties(SccConfig.class)
public class OssService extends CommonAppService implements IOssService {

	/*
	 * 
	 */
//	private OSSClient client;

	private final Logger log = LogManager.getLogger("OssService");
	
	/*
	 * 文档服务地址
	 */
	private String resDomain;
	
	private static String resRootPath;
	
	@Autowired
	SccConfig sccConfig;
	

	/**
	 * 初始化客户端
	 */
	@PostConstruct
	private void init() {
		resRootPath = sccConfig.getResRootPath();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.etraining.qxueyou.sys.service.IOssService#uplpadImage(java.io.File,
	 * java.lang.String)
	 */
	@Override
	public Result uplpadImage(File file, String destPath) {
		String fullPath = null;
		try {
			fullPath = resRootPath + destPath;
			File fileRoot = new File(fullPath.substring(0, destPath.lastIndexOf("/")));
			if(!fileRoot.exists()){
				fileRoot.mkdirs();	
			}
			FileUtils.copyFile(file, new File(fullPath));
			return new Result(true);
		} catch (Exception e) {
			log.error(e, e);
		}
		return new Result(false);
	}
	
	@Override
	public Result uplpadImage(InputStream ins,String fileFormat, String destPath) {
		String fullPath = null;
		try {
			fullPath = resRootPath + destPath;
			File fileRoot = new File(fullPath.substring(0, destPath.lastIndexOf("/")));
			if(!fileRoot.exists()){
				fileRoot.mkdirs();	
			}
			FileUtils.copyInputStreamToFile(ins, new File(fullPath));
			return new Result(true);
		} catch (Exception e) {
			log.error(e, e);
		}finally{
			IOUtils.closeQuietly(ins);
		}
		return new Result(false);
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.etraining.qxueyou.sys.service.IOssService#uplpadVideo(java.io.InputStream, java.lang.String, long, java.lang.String)
	 */
	@Override
	public Result uplpadFile(InputStream input,String fileFormat,long fileLength, String destPath) {
		String fullPath = null;
		try {
			fullPath = resRootPath + destPath;
			
			
			File fileRoot = new File(fullPath.substring(0, fullPath.lastIndexOf("/")));
			
			if(!fileRoot.exists()){
				fileRoot.mkdirs();	
			}
			FileUtils.copyInputStreamToFile(input, new File(fullPath));
			return new Result(true);
		} catch (Exception e) {
			log.error(e, e);
		}finally{
			IOUtils.closeQuietly(input);
		}
		return new Result(false);
	}
	
	/**
	 * 如果路径以 / 或 \ 开头，需要截取
	 * @param destPath
	 * @return
	 */
	public String chopPath(String destPath){
		if(destPath.startsWith("/")||destPath.startsWith("\\")){
			return destPath.substring(1);
		}
		return destPath;
	}
	
	/**
	 * 获取ContentType
	 * @param fileName
	 * @return
	 */
	public String getContentType(String fileName){
		if(fileName.toUpperCase().endsWith("PNG")){
			return "image/png";
		}
		return "image/jpeg";
	}

	@Override
	public String getServerUrl() {
		return resDomain;
	}

	@Override
	public Result uplpadFile(File file, String destPath) {
		String fullPath = null;
		try {
			fullPath = resRootPath + destPath;
			File fileRoot = new File(fullPath.substring(0, destPath.lastIndexOf("/")));
			if(!fileRoot.exists()){
				fileRoot.mkdirs();	
			}
			FileUtils.copyFile(file,new File(fullPath));
			
			return new Result(true);
		} catch (Exception e) {
			log.error(e, e);
		}
		return new Result(false);
	}

	/*
	 * (non-Javadoc)
	 * @see com.etraining.qxueyou.sys.service.IOssService#getObject(java.lang.String, java.lang.String)
	 */
	@Override
	public File getObject(String key, String directory) {
		File sourceFile = null;
		File targetFile = null;
		String fullPath = null;
		try {
			
			sourceFile = new File(resRootPath + key);
			if(sourceFile.exists()){
				fullPath = (resRootPath + directory).replace("//", "/");
				
				File fileRoot = new File(fullPath.substring(0, fullPath.lastIndexOf("/")));
				if(!fileRoot.exists()){
					fileRoot.mkdirs();	
				}
				targetFile = new File(resRootPath + directory);
				FileUtils.copyFile(sourceFile, targetFile);
			}
		} catch (Exception e) {
			log.error(e, e);
		}
		return targetFile;
	}

	/*
	 * (non-Javadoc)
	 * @see com.etraining.qxueyou.sys.service.IOssService#getObject(java.lang.String)
	 */
	@Override
	public InputStream getObject(String key) {
		File sourceFile = null;
		InputStream in = null;
		try {
			sourceFile = new File(resRootPath + key);
			if(sourceFile.exists()){
				in = new FileInputStream(sourceFile);
			}
		} catch (Exception e) {
			log.error(e, e);
		}
		return in;
	}

	@Override
	public Result uploadFile(byte[] byteArray, String destPath) {
		InputStream  in = null;
		
		String fullPath = null;
		try {
			fullPath = resRootPath + destPath;
			File fileRoot = new File(fullPath.substring(0, destPath.lastIndexOf("/")));
			if(!fileRoot.exists()){
				fileRoot.mkdirs();	
			}
			in= new BufferedInputStream(new ByteArrayInputStream(byteArray));
			FileUtils.copyInputStreamToFile(in, new File(fullPath));
			return new Result(true);
		} catch (Exception e) {
			log.error(e.getLocalizedMessage(), e);
			return new Result(false);
		}finally {
			IOUtils.closeQuietly(in);
		}
	}
	
	@Override
	public void deleteOSSFile (String destPath) {
		FileUtils.deleteQuietly(new File(resRootPath+destPath));
	}
	
}