Game/src/main/java/uno/mloluyu/network/NetworkManager.java

package uno.mloluyu.network;

import com.badlogic.gdx.Gdx;

import java.util.HashMap;
import java.util.Map;

public class NetworkManager {
    private static NetworkManager instance;
    private ConnectServer server;
    private ConnectClient client;
    private boolean isHost = false;
    private String localPlayerId;
    private String localCharacter;
    private final Map<String, float[]> playerPositions = new HashMap<>();
    private final Map<String, String> playerCharacters = new HashMap<>();

    public static NetworkManager getInstance() {
        if (instance == null) {
            instance = new NetworkManager();
        }
        return instance;
    }

    public void setLocalPlayerId(String id) {
        this.localPlayerId = id;
    }

    public String getLocalPlayerId() {
        return localPlayerId;
    }

    public void createRoom() {//创建房间
        isHost = true;
        server = new ConnectServer(11455);
        new Thread(server).start();
        Gdx.app.log("Network", "房主模式：服务器已启动");
    }

    public void joinRoom(String ip) {//加入房间
        isHost = false;
        client = new ConnectClient(ip, 11455);
        Gdx.app.log("Network", "客户端模式：连接到房主 " + ip);
    }

    public void sendPosition(float x, float y) {//发送位置消息
        String msg = "POS:" + localPlayerId + "," + x + "," + y;
        Gdx.app.log("Network", "发送位置消息: " + msg);
        if (isHost && server != null) {
            server.broadcastToOthers(null, msg);
            receiveMessage(msg); 
        } else if (client != null) {
            client.sendMessage(msg);
        }
    }

    public void sendCharacterSelection(String character) {//发送角色选择消息
        this.localCharacter = character;
        String msg = "SELECT:" + localPlayerId + "," + character;
        Gdx.app.log("Network", "发送角色选择消息: " + msg);
        if (isHost && server != null) {
            server.broadcastToOthers(null, msg);
            receiveMessage(msg);
        } else if (client != null) {
            client.sendMessage(msg);
        }
    }

    public void receiveMessage(String message) {//解析消息
        Gdx.app.log("Network", "收到消息: " + message);

        if (message.startsWith("POS:")) {
            String[] parts = message.substring(4).split(",");
            if (parts.length == 3) {
                String playerId = parts[0];
                try {
                    float x = Float.parseFloat(parts[1]);
                    float y = Float.parseFloat(parts[2]);
                    playerPositions.put(playerId, new float[]{x, y});
                    Gdx.app.log("Network", "位置更新: " + playerId + " -> " + x + "," + y);
                } catch (NumberFormatException e) {
                    Gdx.app.error("Network", "位置解析失败: " + message);
                }
            } else {
                Gdx.app.error("Network", "位置消息格式错误: " + message);
            }
        } else if (message.startsWith("SELECT:")) {
            String[] parts = message.substring(7).split(",");
            if (parts.length == 2) {
                String playerId = parts[0];
                String character = parts[1];
                playerCharacters.put(playerId, character);
                Gdx.app.log("Network", "角色选择: " + playerId + " -> " + character);
            } else {
                Gdx.app.error("Network", "角色选择消息格式错误: " + message);
            }
        } else if (message.equals("READY")) {
            Gdx.app.log("Network", "收到准备信号");
        } else {
            Gdx.app.log("Network", "未知消息类型: " + message);
        }
    }

    public Map<String, float[]> getPlayerPositions() {
        return playerPositions;
    }

    public Map<String, String> getPlayerCharacters() {
        return playerCharacters;
    }

    public boolean isHost() {
        return isHost;
    }

    public boolean isConnected() {
        return server != null || client != null;
    }

    public void disconnect() {
        if (server != null) {
            server.dispose();
            server = null;
        }
        if (client != null) {
            client.disconnect();
            client = null;
        }
        playerPositions.clear();
        playerCharacters.clear();
        Gdx.app.log("Network", "已断开连接");
    }
}