package com.cjs.site.biz.ec;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
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 com.cjs.site.dao.user.interact.UserAttentionDao;
import com.cjs.site.model.entrust.EcEntrustInfo;
import com.cjs.site.model.user.UserAttentionInfo;
import com.cjs.site.util.lang.JsonUtil;
import com.cjs.site.util.redis.JedisTemplate;

/**
 * 官网买卖，用户关注藏品
 * 
 * @author tongyufu
 *
 */
@Service
public class EcEntrustAttentionHandler extends TextWebSocketHandler {

    /**官网买卖，用户关注藏品查询*/
    public static Map<WebSocketSession, List<UserAttentionInfo>> WEBSOCKET_SESSIONS = new HashMap<WebSocketSession, List<UserAttentionInfo>>();
    Logger                                                       log                = LogManager
        .getLogger();
    @Autowired
    private JedisTemplate                                        jedisTemplate;
    @Autowired
    private UserAttentionDao                                     userAttentionDao;
    @Autowired
    private EcEntrustInfoBiz                                     ecEntrustInfoBiz;

    @Override
    public void afterConnectionEstablished(WebSocketSession session) throws Exception {
        super.afterConnectionEstablished(session);
    }

    @SuppressWarnings("unchecked")
    @Override
    protected void handleTextMessage(WebSocketSession session,
                                     TextMessage message) throws Exception {
        super.handleTextMessage(session, message);

        try {
            String userId = message.getPayload();
            List<UserAttentionInfo> attentions = null;
            if (StringUtils.isBlank(userId)) {
                return;
            }
            attentions = userAttentionDao.queryByUserId(userId);
            WEBSOCKET_SESSIONS.put(session, attentions);
            //连接时先推送一次
            String payload = jedisTemplate.get(EcEntrustAllHandler.ENTRUST_ENTRUSTING);
            if (StringUtils.isNotBlank(payload)) {
                if (payload.indexOf("[") != -1) {
                    payload = payload.substring(payload.indexOf("["));
                }
                List<EcEntrustInfo> entrusts = JsonUtil.fromJson(payload, ArrayList.class,
                    EcEntrustInfo.class);
                ecEntrustInfoBiz.sendToClient(session, entrusts, attentions);
            }
        } catch (Exception e) {
            log.error("官网买卖，用户关注藏品连接出错。", e);
            throw e;
        }
    }

    @Override
    public void afterConnectionClosed(WebSocketSession session,
                                      CloseStatus status) throws Exception {
        super.afterConnectionClosed(session, status);
        WEBSOCKET_SESSIONS.remove(session);
    }

    @Override
    public void handleTransportError(WebSocketSession session,
                                     Throwable exception) throws Exception {
        super.handleTransportError(session, exception);
        log.error("WebScoket传输出错[" + session.getId() + "]：" + exception.getMessage());
        if (session.isOpen()) {
            session.close();
        }
        WEBSOCKET_SESSIONS.remove(session);
    }

}