using OmniPlus.Features.Enums;

using System;

namespace OmniPlus.Features.DeviceSpecific
{
    public struct CalibrationResults
    {
        private const byte FAILED = 0x01;
        private const byte COMPLETED = 0x02;

        private CalibrationResults(byte[] bytes) 
        {
            this.Status = Status.UnknownCommand;
            this.Completed = default(bool);
            this.Rotations = default(ushort);
            this.Dauer = default(uint);

            if (bytes?.Length == 8)
            {
                this.Status = (Status)bytes[0];
                this.Completed = bytes[1] == COMPLETED;
                this.Rotations = BitConverter.ToUInt16(bytes, 2);
                this.Dauer = BitConverter.ToUInt16(bytes, 4);
            }
        }

        public Status Status { get; }

        public bool Completed { get; }

        public ushort Rotations { get; }

        public uint Dauer { get; }


        public static byte[] RequestResults => new byte[]
        {
            FactoryMeterChamberCalibrationTest.BASE,
            FactoryMeterChamberCalibrationTest.SET,
            FactoryMeterChamberCalibrationTest.VIEW,
        };

        public static implicit operator CalibrationResults(byte[] bytes)
            => new CalibrationResults(bytes);
    }
}