using System;
using System.Globalization;
using ln.type;

namespace ln.json
{
    public class JSONNumber : JSONValue
    {
        public Decimal Decimal => decValue;
        readonly decimal decValue;

        public double AsDouble => (double)decValue;
        public long AsLong => (long)decValue;
        public int AsInt => (int)decValue;

        public override object ToNative()
        {
            if (Decimal.Ceiling(decValue).Equals(Decimal.Floor(decValue)))
                return (long)decValue;
            return (double)decValue;
        }

        public JSONNumber(int i)
            : this((long)i) { }

        public JSONNumber(long integer)
            : base(JSONValueType.NUMBER)
        {
            decValue = new decimal(integer);
        }

        public JSONNumber(uint i)
            : this((ulong)i) { }

        public JSONNumber(ulong integer)
            : base(JSONValueType.NUMBER)
        {
            decValue = new decimal(integer);
        }

        public JSONNumber(double doubleValue)
            : base(JSONValueType.NUMBER)
        {
            decValue = doubleValue.ToDecimal();
        }
        public JSONNumber(decimal decValue)
            : base(JSONValueType.NUMBER)
        {
            this.decValue = decValue;
        }

        public override string ToString()
        {
            return decValue.ToString(CultureInfo.InvariantCulture);
        }
    }
}