package org.kne.cloud.network.klalb;

import java.io.*;
import java.util.*;

import org.kne.cloud.network.mport.IPPort;
import org.kne.cloud.network.mport.ServiceElement;

import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;

public class ProxyJson {
	private File f;
	private List<ProxyElement> pls=new ArrayList<>();
	public List<ProxyElement> getPls() {
		return pls;
	}
	public ProxyJson(File f,STJson def) throws IOException {
		super();
		this.f = f;
		if(!f.exists()||f.length()==0l) {
			f.createNewFile();
			JsonWriter jw=null;
			try {
			jw=new JsonWriter(new FileWriter(f));
			jw.setIndent("  ");
			jw.beginObject();
			jw.name("services");
			jw.beginArray();
			for (Iterator<ServiceElement> iterator = def.getServices().iterator(); iterator.hasNext();) {
				ServiceElement proxye = (ServiceElement) iterator.next();
				jw.beginObject();
				jw.name("name");
				jw.value(proxye.name);
				jw.name("protocol");
				jw.value(proxye.protocol);
				jw.name("localaddress");
				jw.value(proxye.ipport.toString());
				jw.name("bindaddress");
				jw.value("0.0.0.0:"+proxye.ipport.getPort());
				jw.endObject();
			}
			jw.endArray();
			jw.endObject();
			}finally{
				if(jw!=null)
			jw.close();
			}
		}
		JsonReader jr=null;
		try {
			jr=new JsonReader(new FileReader(f));
			jr.beginObject();
			while(jr.hasNext()) {
				String name=jr.nextName();
				switch(name) {
				case "services":
					jr.beginArray();
					while(jr.hasNext()) {
						jr.beginObject();
					ProxyElement pe=new ProxyElement();
					ServiceElement se=new ServiceElement();
					pe.setSe(se);
					while(jr.hasNext()) {
						String n3=jr.nextName();
						switch(n3) {
						case "name":
							se.name=jr.nextString();
							break;
						case "protocol":
							se.protocol=jr.nextString();
							break;
						case "localaddress":
							se.ipport=new IPPort (jr.nextString());
							break;
						case "bindaddress":
							pe.setIpport(new IPPort (jr.nextString()));
							break;
						default:
							jr.skipValue();
							break;
						}
					}
					pls.add(pe);
					jr.endObject();
					}
					jr.endArray();
					break;
					default:
						jr.skipValue();
						break;
				}
			}
			jr.endObject();
		}finally {
			if(jr!=null)
			jr.close();
		}
	}
	
}