package alice.topology.manager.keeparive;

import java.util.LinkedList;

import alice.codesegment.CodeSegment;
import alice.datasegment.CommandType;
import alice.datasegment.Receiver;

public class CreateSchedule extends CodeSegment{
	private Receiver info1 = ids.create(CommandType.TAKE); // WaitingList 
	private Receiver info2 = ids.create(CommandType.TAKE); // TaskInfo
	
	public CreateSchedule(){
		info1.setKey("_WAITINGLIST");
		info2.setKey("_TASKINFO");
	}

	@Override
	public void run() {
		ListManager manager = info1.asClass(ListManager.class);
		TaskInfo newTask = info2.asClass(TaskInfo.class);
		TaskExecuter ps = TaskExecuter.getInstance();
		LinkedList<TaskInfo> list = manager.getTaskList();
		if (ps.getNowTask()!=null&&ps.getNowTask().getManagerKey().equals(newTask.getManagerKey())){
			long postponeTime = ps.getNowTask().getSleepTime() - (System.currentTimeMillis() - ps.getTime());
			TaskInfo nextTask;
			if (list.size() != 0){
				nextTask = list.getFirst();
				nextTask.setSleepTime(postponeTime + nextTask.getSleepTime());
			}
			manager.addTask(newTask);
			ps.interrupt();
		} else {
			for (TaskInfo info : list){
				if (newTask.getManagerKey().equals(info.getManagerKey())){
					list.remove(info);
				}
			}
			manager.addTask(newTask);
		}
		ods.update("_WAITINGLIST", manager);
		new CheckExistTask();
	}
}