using System;

namespace Unplugged.Segy
{
    class TraceHeader : ITraceHeader
    {
        public int SampleCount { get; set; }
        public int TraceNumber { get; set; }
        public int InlineNumber { get; set; }
        public int CrosslineNumber { get; set; }
        public int Delay { get; set; }
        public int X { get; set; }
        public int Y { get; set; }
        public int GetValue(int position, int len, bool isLittleEndian)
        {
            int nDataValue = int.MinValue;
            if (headerBuffer == null || headerBuffer.Length == 0)
            {
                return nDataValue;
            }
            
            if (len == 2)
            {
                nDataValue = SegyReader.ToInt16(headerBuffer, position, isLittleEndian);
            }
            else if(len == 4)
            {
                nDataValue = SegyReader.ToInt32(headerBuffer, position, isLittleEndian);
            }
            return nDataValue;
        }
        public byte[] headerBuffer;
    }
}