using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
namespace CSVReader
{
    public abstract class AbstractUnitCSVReader
    {
        protected readonly object LockObject;

        //BIN-Inhalte: int ID - double timestamp - 3x float coodrinates - 3x float rotation - 2x uint colors - int EntityType - int SensorID
        /// <summary>
        /// The Length of one dataline.
        /// int ID - double timestamp - 3x float coodrinates - 3x float rotation - 3x float head rotation - 2x uint colors - int EntityType - int SensorID
        /// </summary>
        protected readonly int ROWLENGTHINBYTES = 3 * sizeof(int) + sizeof(double) + 9 * sizeof(float) + 2 * sizeof(uint);

        /// <summary>
        /// The Binary reader on the file.
        /// </summary>
        protected BinaryReader Reader;

        /// <summary>
        /// Whether the Binaryreader was initialized correctly
        /// </summary>
        protected bool Defined = false;
        protected double ChunkStartTimestamp = double.NaN;
        protected double ChunkEndTimestamp = double.NaN;

        protected AbstractUnitCSVReader()
        {
            LockObject = new object();
        }

        protected abstract InputObject ParseObject();
        protected abstract double GetTimeAtRelativeOffset(long shift);
        protected abstract double GetTimeAtAbsolutPosition(long offset);
        protected abstract bool TestNewPosition(long newPos);
        protected abstract bool TestBinaryReader();
        protected abstract bool IsStep(double newTime, double targetTime, int jumpdirection, bool forward);
    }
}