using System;
using System.Collections.Generic;
using UFS3.Management;
using UnityEngine;

public class QuestManager : Singleton<QuestManager>
{
	public List<QuestData> questDatabase;

	public List<QuestData> questInProgress = new List<QuestData>();

	public List<QuestData> questCompleted;

	private void Start()
	{
		ValidateQuestDatabase();
	}

	private void ValidateQuestDatabase()
	{
		for (int i = 0; i < questDatabase.Count; i++)
		{
			questDatabase[i].id = i;
		}
	}

	private void MoveQuestToInProgress(QuestData quest)
	{
		QuestData questData = UnityEngine.Object.Instantiate(quest);
		questInProgress.Add(questData);
		questData.ApplyEventsToHandler();
		questData.onQuestComplete = (Action<QuestData>)Delegate.Combine(questData.onQuestComplete, new Action<QuestData>(CompleteQuest));
	}

	private void RemoveQuestEventHandlers()
	{
		foreach (QuestData item in questInProgress)
		{
			item.RevertEventsToHandler();
		}
	}

	private void CompleteQuest(QuestData quest)
	{
		questInProgress.Remove(quest);
		questCompleted.Add(quest);
		quest.RevertEventsToHandler();
		quest.onQuestComplete = (Action<QuestData>)Delegate.Remove(quest.onQuestComplete, new Action<QuestData>(CompleteQuest));
	}
}