package com.hdl.sdk.link.socket.client;



import com.hdl.sdk.link.common.utils.LogUtils;
import com.hdl.sdk.link.common.utils.ThreadToolUtils;
import com.hdl.sdk.link.core.protocol.LinkMessageDecoder;
import com.hdl.sdk.link.socket.TcpSocketBoot;
import com.hdl.sdk.link.socket.SocketOptions;
import com.hdl.sdk.link.socket.annotation.ConnectStatus;
import com.hdl.sdk.link.socket.bean.Packet;
import com.hdl.sdk.link.socket.codec.IHandleMessage;
import com.hdl.sdk.link.socket.listener.ConnectStatusListener;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.List;


/**
 * Created by Tong on 2021/9/15.
 */
public final class TcpClient implements IClient {


    private SocketOptions socketOptions;

    private final String ip;
    private final int port;

    private Socket mSocket;

    private byte[] readBuffer = new byte[4*1024];

    private TcpClient(String ip, int port, SocketOptions socketOptions) {
        this.socketOptions = socketOptions;
        this.ip = ip;
        this.port = port;
        socketOptions.setIp(ip);
        socketOptions.setPort(port);
    }

    public static TcpSocketBoot init(String ip, int port, SocketOptions options) {
         return new TcpSocketBoot(new TcpClient(ip, port, options));
    }




    @Override
    public void connect() throws Exception {
        mSocket = getSocket();
        mSocket.connect(new InetSocketAddress(ip, port), 2 * 1000);
        mSocket.setTcpNoDelay(true);
        mSocket.setReuseAddress(true);
//        mSocket.setKeepAlive(true);
//        mSocket.setSoTimeout(12 * 1000);
    }




    @Override
    public void disconnect() {
        if (mSocket != null) {
            try {
                mSocket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    @Override
    public synchronized SocketOptions getOptions() {
        if (socketOptions == null) {
            socketOptions = new SocketOptions();
        }
        return socketOptions;
    }

    @Override
    public void onHandleResponse() throws Exception {
        final InputStream stream = getInputStream();
        if (stream != null && getOptions() != null) {
            int len = 0;

            if ((len = stream.read(readBuffer)) == -1) {
                throw new Exception("网关断开");
            }

            byte[] bytes = new byte[len];
            System.arraycopy(readBuffer, 0, bytes, 0, len);
            socketOptions.getHandleMessage().read(new Packet(bytes, mSocket));
        }
    }

    @Override
    public synchronized void  sendMsg(byte[] msg) throws Exception {
        final OutputStream outputStream = getOutStream();
        if (outputStream != null && getOptions() != null) {
            try {
//                IHandleMessage handleMessage = getOptions().getHandleMessage();
//                handleMessage.write(handleMessage.write(msg));
                getOutStream().write(msg);

            }finally {
                outputStream.flush();
            }
        }
    }


    /**
     * 处理连接状态
     */
    public void onConnectStatus(int status) {
        ThreadToolUtils.getInstance().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                final List<ConnectStatusListener> list = getOptions().getConnectStatusListener();
                if (list != null && !list.isEmpty()) {
                    for (ConnectStatusListener listener : list) {
                        switch (status) {
                            case ConnectStatus
                                    .CONNECTING:
                                listener.onConnecting();
                                break;
                            case ConnectStatus
                                    .CONNECTED:
                                listener.onConnected();
                                break;
                            case ConnectStatus
                                    .DISCONNECT:
                                listener.onConnectFailed();
                                break;
                        }
                    }
                }
            }
        });
    }


    private synchronized Socket getSocket() {
        return new Socket();
    }

    private InputStream getInputStream() {
        if (mSocket != null && mSocket.isConnected() && !mSocket.isClosed()) {
            try {
                return mSocket.getInputStream();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }


    private OutputStream getOutStream() {
        if (mSocket != null && mSocket.isConnected() && !mSocket.isClosed()) {
            try {
                return mSocket.getOutputStream();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }


}