package jungle.app.bbs.codesegment;



import java.util.List;

import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
import jungle.app.bbs.JungleManager;
import alice.codesegment.CodeSegment;
import alice.datasegment.CommandType;
import alice.datasegment.Receiver;
import alice.jungle.operations.NetworkTreeOperationLog;

public class LogUpdateCodeSegment extends CodeSegment {
	
	Receiver log = ids.create(CommandType.PEEK);
	Receiver host = ids.create(CommandType.PEEK);
	Receiver clist = ids.create(CommandType.PEEK);
	
	
	public LogUpdateCodeSegment() {
		log.setKey("log");
		host.setKey("host");
		clist.setKey("_CLIST");;
	}
	
	public LogUpdateCodeSegment(int index) {
		log.setKey("log", index);
		host.setKey("host");
		clist.setKey("_CLIST");;
	}
	
	public void run() {
		int index = log.index;
		NetworkTreeOperationLog netLog = log.asClass(NetworkTreeOperationLog.class);
		String hostName = host.asString();
		@SuppressWarnings("unchecked")
		List<String> list = clist.asClass(List.class);
		if (!hostName.equals((log.from))) {
			Either<Error, JungleTreeEditor> either = JungleManager.update(netLog);
			if(either.isA()) {
				throw new IllegalStateException();				
			}
		}
		for (String node : list) {
			if (!node.equals(log.from)) {
				ods.update(node, log.key, log.getVal());
			}
		}
		new LogUpdateCodeSegment(index);
	}
}