using System;
using System.Collections.Generic;
using System.Text;

namespace ET
{
    public static class TierSystem
    {

        private const int Max_Unit_Count_Per_Tier = 50;
        public static bool CanAdd(this Tier self) => self.unitDic.Count < Max_Unit_Count_Per_Tier;
        public static void Add(this Tier self,Unit unit)
        {
            self. unitDic[unit.Id] = unit;
        }
        public static void Remove(this Tier self,long id)
        {
            self. unitDic.Remove(id);
        }
        public static Unit Get(this Tier self,long id)
        {
            self. unitDic.TryGetValue(id, out Unit unit);
            return unit;
        }
        public static IEnumerable<Unit> GetAll(this Tier self)
        {
            return self.unitDic.Values;
        }
        public static void Clear(this Tier self)
        {
           self. unitDic.Clear();
        }
    }
}