package chat.module;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import chat.module.entity.Group;
import chat.module.entity.FriendRequest;
import chat.module.entity.Member;
import chat.module.entity.MessageRecord;
import chat.user.User;
import cn.wildfirechat.proto.WFCMessage;
import cn.wildfirechat.proto.WFCMessage.UserRequest;
import frame.object.data.DataObject;
import frame.object.data.Entity;
import frame.object.data.ID;


public class FriendRequstBucket extends Bucket<FriendRequest> {

	private static FriendRequstBucket instance;
	private static final Logger LOG = LoggerFactory.getLogger(FriendRequstBucket.class);
	
	public static synchronized FriendRequstBucket getInstance() {
		if (instance == null) {
			instance = new FriendRequstBucket();
		}
		
		return instance;
	}
	
    public static String getUUID() {
        UUID uuid = UUID.randomUUID();
        String str = uuid.toString();
        str = str.replace("-", "");
        return str;
    }
	
	public void createFriendRequest(String userId, WFCMessage.AddFriendRequest request, long[] head) throws Exception {
		//1. get group from cache
		FriendRequest friendRequest = getOne(userId);
		
		//2. create new group
		if (friendRequest == null) {
			friendRequest = new FriendRequest(userId, request.getTargetUid());
			friendRequest.load(request);
			
			createOneFriendRequest(friendRequest);
			addOne(userId, friendRequest);
		}
		
		//3. create hello message
		//MessageRecord record = MessageRecord.getTextInstance(sender.getName() + "拉你入群", sender);
		//friendGroup.addOneMessage(record, sender);
		
		//4. send message to members
//		friendGroup.publishOneMessage(record, sender, true, content);

		//5. return
	}

    private void createOneFriendRequest(FriendRequest friendRequest) throws Exception {
    	DataObject dataObject; 
    	Entity entity;
    	
    	//1. insert group
		dataObject = DataObject.getInstance("friend_request");
		
		entity = dataObject.newEntity();
		friendRequest.pushTo(entity);
			
		dataObject.insertToDataBase(entity);
	}

}