package com.jqmobile.core.android.remote;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import com.jqmobile.core.android.ClientContext2;
import com.jqmobile.core.http2.HttpSerializableObject;
import com.jqmobile.core.http2.HttpUtils;
import com.jqmobile.core.utils.json.JSONArray;
import com.jqmobile.core.utils.json.JSONConvertor2;

/**
 * <p>新框架远程访问工具</p>
 *
 * <p>Copyright: 版权所有 (c) 2002 - 2015<br>
 * Company: 久其</p>
 *
 * @author modi  qq:411051729
 * @version 2014年4月8日
 */
public class RemoteManager {
	private final HttpUtils hu;
	private final String session;
	public RemoteManager(String remoteAddress, int remotePort, String remoteSession){
//		this.session = remoteSession;
		this.session = null;
		String str = remoteAddress+":"+remotePort;
		if(!str.startsWith("http://")){
			str = "http://"+str;
		}
		str = str+"/lbs-service";
		this.hu = new HttpUtils(str, ClientContext2.WS_URI);
	}
	
	//================================================================
		@SuppressWarnings("unchecked")
		public <T> T getService(Class<T> serviceClass){
			return (T) Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(), new Class<?>[]{serviceClass}, new ClientInvocationHandler(serviceClass));
		}
		class ClientInvocationHandler implements InvocationHandler{
			private final Class<?> intf;
			
			/**
			 * 构造函数
			 * @param serverURL 服务地址
			 * @param serviceURI 业务服务对相应的相对地址
			 * @param sessionID 
			 */
			public ClientInvocationHandler(Class<?> intf) {
				this(intf, 10*1000);
			}
			
			public ClientInvocationHandler( Class<?> intf, int timeout) {
				this.intf = intf;
				hu.setTimeOut(timeout);;
//				HttpUtils.setTIMEOUT(timeout);
			}
			
			@Override
			public Object invoke(Object proxy, Method method, Object[] args)
					throws Throwable {
				HttpSerializableObject hso = new HttpSerializableObject();
				hso.setIntf(intf.getName());
				hso.setMethod(method.getName());
				hso.setSession(session);
				hso.setData(JSONConvertor2.serializableArray(args).toString());
				//
				HttpSerializableObject result = hu.invoke(hso);
				if(null != result.getException()){
					throw new Exception();
				}
				JSONArray array = new JSONArray(result.getData());
				return JSONConvertor2.unAutoSerializable(array.getJSONObject(0), method.getReturnType());
			}
		}
}