using System;
using System.Collections.Generic;

namespace TLang.VM
{
    public class RootEnvironment : TLangEnvironment
    {
        public RootEnvironment()
        {
            
        }
        public Dictionary<string, LoadedClassData> AvailableClasses {get;set;}=new Dictionary<string, LoadedClassData>();

        Dictionary<string,TObject> items = new Dictionary<string, TObject>();
        public override TObject GetObject(string key)
        {
            if(HasObject(key))
            {
                return items[key];
            }
            return new TUndefined();
        }

        public override bool HasObject(string key)
        {
            return items.ContainsKey(key);
        }

        public override TLangEnvironment GetParentEnvironment()
        {
            return this;
        }

        public override RootEnvironment GetRootEnvironment()
        {
            return this;
        }

        public override void SetObject(string key, TObject value)
        {
            items[key] = value;
        }
        public override bool HasObjectRecurse(string key)
        {
            return HasObject(key);
        }
        public override TLangEnvironment GetSubEnvironment()
        {
            return new SubEnvironment(this);
        }
    }
}