using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ShintenScript
{
    public class ASTNodeLiteral : IASTNode
    {
        public readonly object value;

        public ASTNodeLiteral(object value)
        {
            this.value = value;
        }

        public bool Const() => true;

        public object CreateFunction()
        {
            SSType type = Type();

            if (type == SSType.none) return (Action<ExecutionContext>)(ctx => { });

            if (type == SSType.boolean) return (bool)value ? (Func<ExecutionContext, bool>)(ctx => true) : ctx => false;

            if (type == SSType.real)
            {
                float real = (float)value;
                return (Func<ExecutionContext, float>)(ctx => real);
            }

            throw new Exception("This should be unreachable");
        }

        public SSType Type()
        {
            if (value == null) return SSType.none;
            if (value is bool) return SSType.boolean;
            if (value is float) return SSType.real;

            throw new Exception("This should be unreachable");
        }
    }
}