package com.leanwo.management.util;

import java.io.BufferedReader;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.leanwo.management.model.ApplicationSetting;

/**
 * 获取程序上级文件夹下的所有文件下的stop.bat和run.bat
 * @author GuoZhiBo
 *
 */
public class FileUtil {
	private final static Logger logger = LoggerFactory.getLogger(FileUtil.class);

	/**
	 * 获取文件stop.bat和run.bat
	 * @param closeables
	 */
	public List<ApplicationSetting> getFile() {
		List<ApplicationSetting> settings = new ArrayList<>();
		File directory = new File(""); 
		String path = directory.getAbsolutePath();
		File parentPath = new File(path).getParentFile();
		 // 取 文件/文件夹
        File files[] = parentPath.listFiles();
        
        // 对象为空 直接返回
        if(files == null){
            return settings;
        }
        // 存在文件 遍历 判断
        for (File f : files) {
            // 判断是否为 文件夹
            if(f.isDirectory()){
            	ApplicationSetting applicationSetting = new ApplicationSetting();
               String filePath = f.getAbsolutePath(); 
               if(path.equals(filePath)) {
            	   continue;
               }
               File runFile = new File(filePath + "\\run.bat"); 
               if(!runFile.exists()) {
            	   continue;
               }
               File stopFile = new File(filePath + "\\stop.bat"); 
               if(!stopFile.exists()) {
            	   continue;
               }
               String name = readFileContent(runFile);
               name = name.replace("::", "").replace(" ", "").replace("echo", "").replace("title", "");
               if(name == null || name.length() <= 0) {
            	   name = f.getName();
               }
               applicationSetting.setName(name);
               applicationSetting.setInstallPath(filePath);
               applicationSetting.setStartBatFile("run.bat");
               applicationSetting.setStopBatFile("stop.bat");
               settings.add(applicationSetting);
            } 
            
        }   
        return settings;
	}
	
	public static String readFileContent(File file) {
	    BufferedReader reader = null;
	    StringBuffer sbf = new StringBuffer();
	    try {
	        reader = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));
	        String tempStr = reader.readLine();
	        sbf.append(tempStr);
//	        while ((tempStr = reader.readLine()) != null) {
//	            sbf.append(tempStr);
//	        }
	        reader.close();
	        return sbf.toString();
	    } catch (IOException e) {
	        e.printStackTrace();
	    } finally {
	        if (reader != null) {
	            try {
	                reader.close();
	            } catch (IOException e1) {
	                e1.printStackTrace();
	            }
	        }
	    }
	    return sbf.toString();
	}
}