package com.ard.tianyu.websocket.handler;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.TypeReference;
import com.ard.tianyu.service.control.UavControlService;
import com.ard.tianyu.service.stream.UavStreamManager;
import com.ard.tianyu.websocket.domain.BaseMessage;
import com.ard.tianyu.websocket.domain.UavStreamMessage;
import com.ard.tianyu.websocket.utils.WebSocketUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;

import javax.annotation.Resource;


@Component
@Slf4j
public class TyMessageHandler extends TextWebSocketHandler {

    @Resource
    private UavStreamManager uavStreamManager;
    @Resource
    private UavControlService uavControlService;

    @Override
    public void handleTextMessage(WebSocketSession session, TextMessage message) {
        // 处理接收到的消息
        String userIdStr  = (String) session.getAttributes().get("userId");
        Long userId = Long.parseLong(userIdStr);
        String payload = message.getPayload();
        log.info("【cmd】Received message: {}", payload);
        log.info("【cmd】size: {}", WebSocketUtil.ONLINE_USER_SESSIONS.size());
        BaseMessage<?> baseMessage = JSON.parseObject(payload, BaseMessage.class);
        switch (baseMessage.getType()) {
            case "stream":
                BaseMessage<UavStreamMessage> streamMessage = JSON.parseObject(payload,
                        new TypeReference<BaseMessage<UavStreamMessage>>() {
                        });
                UavStreamMessage uavStreamMessage = streamMessage.getPayload();
                if (uavStreamMessage != null) {
                    String boxSn = uavStreamMessage.getBoxSn();
                    if (uavStreamMessage.getPullType().equals(1)) {
                        uavStreamManager.startPullStream(boxSn, userId);
                    } else {
                        uavStreamManager.stopPullStream(boxSn, userId);
                    }
                }
                break;
        }

    }

    @Override
    public void afterConnectionEstablished(WebSocketSession session) {
        log.info("【cmd】Connected: {}", session.getId());
        String userIdStr  = (String) session.getAttributes().get("userId");
        Long userId = Long.parseLong(userIdStr);
        WebSocketUtil.ONLINE_USER_SESSIONS.put(userId, session);
        log.info("【cmd】size: {}", WebSocketUtil.ONLINE_USER_SESSIONS.size());

    }

    @Override
    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) {
        log.info("【cmd】Disconnected: {}", session.getId());
        String userIdStr  = (String) session.getAttributes().get("userId");
        Long userId = Long.parseLong(userIdStr);
        WebSocketUtil.ONLINE_USER_SESSIONS.remove(userId);
        log.info("【cmd】size: {}", WebSocketUtil.ONLINE_USER_SESSIONS.size());
        //停止用户的所有流
        uavStreamManager.stopAllPullStreamByUser(userId);
        if (userId != null) {
            // 释放该用户所有 UAV 控制权
            uavControlService.releaseAllControls(userId);
        }
    }
}