namespace Common.Hardware.Ports
{
    using System;

    public static partial class SerialPortExtensions
    {
        internal class UI1236Control
        {
            private readonly Byte[] bits;

            private UI1236Control(Byte[] bits)
                => this.bits = bits;

            public Boolean E0Encryption => this.bits[0] == 1;

            public Boolean E1Encryption => this.bits[1] == 1;

            public Boolean E2Encryption => this.bits[2] == 1;

            public Boolean ReturnResponse
            {
                get => this.bits[3] == 1;
                set => this.bits[3] = (Byte)(value ? 1 : 0);
            }

            public Boolean NFNetwork => this.bits[4] == 1;

            public Boolean MultipleCommands
            {
                get => this.bits[5] == 1;
                set => this.bits[5] = (Byte)(value ? 1 : 0);
            }

            public Boolean LongControl
            {
                get => this.bits[6] == 1;
                set => this.bits[6] = (Byte)(value ? 1 : 0);
            }

            public Boolean MultipleFrames
            {
                get => this.bits[7] == 1;
                set => this.bits[7] = (Byte)(value ? 1 : 0);
            }

            public static implicit operator UI1236Control(Byte controlByte)
            {
                var bits = new Byte[8];

                for (var i = 0; i < 8; i++)
                {
                    bits[i] = (Byte)((controlByte >> i) & 1);
                }

                return new UI1236Control(bits);
            }

            public static implicit operator Byte(UI1236Control control)
            {
                var @Byte = default(Byte);

                for (var i = 0; i < 8; i++)
                {
                    @Byte ^= (Byte)(control.bits[i] << i);
                }

                return @Byte;
            }
        }
    }
}