using CommonAI.Zone.Instance;
using CommonLang;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CommonAI.Zone.Helper
{
    public class SpellChainLevelInfo
    {
        private int mSpellID;
        private int mChainLevel;
        private HashMap<uint, InstanceUnit> mChainList;
        private InstanceUnit mLastTarget;


        public int Level
        {
            get { return mChainLevel; }
        }
        public InstanceUnit LastTarget
        {
            get { return mLastTarget; }
        }

        internal SpellChainLevelInfo(LaunchSpell launch)
        {
            mSpellID = launch.SpellID;
            mChainLevel = launch.ChainLevel;
            mChainList = new HashMap<uint, InstanceUnit>(mChainLevel);
        }
        internal bool TryLaunch(int spellID)
        {
            if (spellID == mSpellID)
            {
                mChainLevel--;
                return (mChainLevel >= 0);
            }
            mSpellID = spellID;
            return true;
        }
        internal void AddTarget(InstanceUnit target)
        {
            mChainList.Put(target.ID, target);
            mLastTarget = target;
        }

        public bool ContainsTarget(InstanceUnit target)
        {
            return mChainList.ContainsKey(target.ID);
        }
    }

}