using TINK.Model.Connector;
using System;

namespace TINK.Services.BluetoothLock.Tdo
{
    /// <summary> Data required to connect to a blutooth lock.</summary>
    public class LockInfoAuthTdo
    {
        /// <summary> Identification number of bluetooth lock, 6-digits, second part of advertisement name.</summary>
        public int Id { get; private set; }

        /// <summary> GUID to the device. </summary>
        public Guid Guid { get; private set; }

        /// <summary> Seed used to generate key for connecting to bluetooth lock.</summary>
        public byte[] K_seed { get; private set; }

        /// <summary> Key for connect to bluetooth lock as user.</summary>
        public byte[] K_u { get; private set; }

        /// <summary> Key for connect to bluetooth lock as admin.</summary>
        public byte[] K_a { get; private set; }

        public bool IsIdValid => Id != TextToLockItTypeHelper.INVALIDLOCKID;

        public bool IsGuidValid => Guid != TextToLockItTypeHelper.INVALIDLOCKGUID;

        public class Builder
        {
            private LockInfoAuthTdo lockInfoTdo = new LockInfoAuthTdo();

            public Builder() { }

            /// <summary> Identification number of bluetooth lock, 6-digits, second part of advertisement name.</summary>
            public int Id { get => lockInfoTdo.Id; set { lockInfoTdo.Id = value; } }

            /// <summary> GUID to the device. </summary>
            public Guid Guid { get => lockInfoTdo.Guid; set { lockInfoTdo.Guid = value; } }

            /// <summary> Seed used to generate key for connecting to bluetooth lock.</summary>
            public byte[] K_seed { get => lockInfoTdo.K_seed; set { lockInfoTdo.K_seed = value; } }

            /// <summary> Key for connect to bluetooth lock as user.</summary>
            public byte[] K_u { get => lockInfoTdo.K_u; set { lockInfoTdo.K_u = value; } }

            /// <summary> Key for connect to bluetooth lock as admin.</summary>
            public byte[] K_a { get => lockInfoTdo.K_a; set { lockInfoTdo.K_a = value; } }

            public LockInfoAuthTdo Build()
            {
                if (K_seed == null) K_seed = new byte[0];

                if (K_u == null) K_u = new byte[0];

                if (K_a == null) K_a = new byte[0];

                return lockInfoTdo;
            }
        }
    }
}