package com.hywa.banktest.bankframework.socketHandle;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.ServerSocket;
import java.net.Socket;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
import com.hywa.banktest.bankframework.pack.Dlmaps;
import com.hywa.banktest.bankframework.schedule.BankRequsetProcess;
import com.hywa.banktest.bankframework.utils.XmlUtils;
import com.hywa.banktest.kit.SpringContext;
import com.hywa.banktest.service.impl.OrderInfoServiceImpl;

import lombok.extern.slf4j.Slf4j;

@Slf4j
@Component
public class BankSocket {

	@Value("${bank.post.socket.server.address}")
	String serverAddr;
	@Value("${bank.post.socket.server.port}")
	int serverPort;
	@Value("${local.post.socket.port}")
	int localSocketPort;
	
	
	public Dlmaps query(Dlmaps requestPacket) {
		Socket socket = null;
		BufferedReader br = null;
		InputStream is = null;
		PrintWriter pw = null;
		OutputStream os = null;
		StringBuffer result = new StringBuffer();
		try {
			socket = new Socket(serverAddr, serverPort);
			//socket.setSoTimeout(1000 * 58);
			os = socket.getOutputStream();
			pw = new PrintWriter(os, true);
			String requestStr = dlmaps2RequestStr(requestPacket);
			log.info("发送报文:" + requestStr);
			pw.write(requestStr);
			pw.flush();
//			socket.shutdownOutput();
			is = socket.getInputStream();

			result.append(inputStream2Str(is));
			
			log.error("收到响应报文:" + result);
			log.info("收到响应报文:" + result);
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			closeAll(socket, br, is, pw, os);
		}
		result.delete(0, result.indexOf("<"));
		result.delete(result.indexOf("***"), result.length());
		return XmlUtils.fromXML(result.toString(), Dlmaps.class);
	}
	
//	@PostConstruct
	public void socketServer() {

		new Thread(() -> {
			ServerSocket serverSocket = null;
			BufferedReader br = null;
			OutputStream os = null;
			PrintWriter pw = null;
			InputStream is = null;
			try {
				serverSocket = new ServerSocket(localSocketPort);
				System.err.println("socket server started");
				Socket socket = null;
				while (true) {
					try {
						socket = serverSocket.accept();
						is = socket.getInputStream();
						br = new BufferedReader(new InputStreamReader(is));
						
						StringBuffer result = new StringBuffer(inputStream2Str(is));
						log.info("服务端收到报文：" + result);
						result.delete(0, result.indexOf("<"));
						if (result.toString().contains("***"))
						result.delete(result.indexOf("***"), result.length());

						log.info("服务端处理xml报文：" + result);
						Dlmaps dlmaps = XmlUtils.fromXML(result.toString(), Dlmaps.class);
						BankRequsetProcess bankRequsetProcess = (BankRequsetProcess) SpringContext.getBean("bankRequsetProcess");
						Dlmaps resultDlmaps = bankRequsetProcess.process(dlmaps);
						if ("8900".equals(dlmaps.getPUB().getTRADE_ID() )){
							resultDlmaps.setIN(null);
						}
						os = socket.getOutputStream();
						pw = new PrintWriter(os);
						String resStr = dlmaps2RequestStr(resultDlmaps);
						pw.write(resStr);
						pw.flush();
					} catch (Exception e) {//统一catch Exception防止跳出serverSocket.   另一种解决办法是线程处理客户端socket对象
						e.printStackTrace();
					} finally {

						closeAll(socket, br, is, pw, os);
					}
				}

			} catch (Exception e1) {
				e1.printStackTrace();
			} finally {
				if (null != serverSocket) {
					try {
						serverSocket.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}
		}).start();
	}
	
	private String inputStream2Str(InputStream is) throws IOException {
		byte[] readbuf = new byte[4];
		is.read(readbuf);
		String str = new String(readbuf, 0, readbuf.length, "UTF-8");
		Integer msglen = Integer.parseInt(str);
		readbuf = new byte[msglen];
//		readbuf = new byte[1024];
		is.read(readbuf);
		String reciveString = new String(readbuf, 0, readbuf.length, "UTF-8");
		return String.format("%04d", msglen) + reciveString;
	}
	
	private String dlmaps2RequestStr(Dlmaps requestPacket) throws UnsupportedEncodingException {
		String xmlRequest = XmlUtils.toXML(requestPacket);
		StringBuffer requestPac = new StringBuffer();
		requestPac.append("TEB").append(requestPacket.getPUB().getTRADE_ID()).append(requestPacket.getPUB().getDPT_ID()).append(xmlRequest);
		
		StringBuffer requestStr = new StringBuffer(String.format("%04d", requestPac.toString().getBytes("UTF-8").length + 3)).append(requestPac).append("***");
		return requestStr.toString();
	}
	
	private void closeAll(Socket socket, BufferedReader br, InputStream is, PrintWriter pw, OutputStream os) {
		if (null != br) {
			try {
				br.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != is) {
			try {
				is.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != pw) {
			pw.close();
		}
		if (null != os) {
			try {
				os.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != socket) {
			try {
				socket.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
	
}