using System;
using System.Text.RegularExpressions;

namespace CryptoCalc
{

    public interface IDBClasses
    {
        string DBName { get; }
        string DBTableName { get; }
        string DBVariables { get; set; }
        string DBSaveDataString { get; }
    }

    public class DBClasses : IDBClasses
    {
        #region Publics
        public string DBName => "CryptoCalc";
        public virtual string DBTableName { get; }
        public virtual string DBVariables { get; set; }
        public string DBSaveDataString => $"({Regex.Replace(DBVariables, "@", "")}) values ({DBVariables})";

        public int Index { get; set; }
        public long UnixTime { get; set; }


        #endregion

        #region Functions

        public void SaveUnixTimeNow()
        {
            UnixTime = (long)DateTime.UtcNow.Subtract(DateTime.UnixEpoch).TotalSeconds;
        }

        public static long GetUnixTime(DateTime dateTime)
        {
            return (long)dateTime.Subtract(DateTime.UnixEpoch).TotalSeconds;
        }

        public static DateTime GetUTCTimeFromUnixTime(long unix)
        {
            return DateTime.UnixEpoch.AddSeconds(unix).ToUniversalTime();
        }

        public static DateTime GetLocalTimeFromUnixTime(long unix)
        {
            return DateTime.UnixEpoch.AddSeconds(unix).ToLocalTime();
        }

        #endregion

    }

    public class Transaction : DBClasses
    {

        #region Publics
        public override string DBVariables { get => base.DBVariables; set => base.DBVariables = value; }
        public override string DBTableName => "Transactions";

        public string Currency { get; set; }
        public float Amount { get; set; }
        public string TransactionType { get; set; }
        public string FeeCurrency { get; set; }
        public float FeeAmount { get; set; }
        public string Platform { get; set; }
        public string Note { get; set; }

        #endregion

        #region Constructors

        public Transaction() { SetDBStrings(); }

        public Transaction(string currency, float amount, string type)
        {
            SaveUnixTimeNow();
            Currency = currency;
            Amount = amount;
            TransactionType = type;

            Platform = "";
            Note = "";

            SetDBStrings();
        }

        public Transaction(string currency, float amount, string type, string feeCurrency, float feeAmount)
        {
            SaveUnixTimeNow();
            Currency = currency;
            Amount = amount;
            TransactionType = type;
            FeeCurrency = feeCurrency;
            FeeAmount = feeAmount;
            Platform = "";
            Note = "";

            SetDBStrings();
        }

        #endregion

        #region Functions

        private void SetDBStrings()
        {
            DBVariables =
                      $"@{nameof(UnixTime)},"
                    + $"@{nameof(Currency)},"
                    + $"@{nameof(Amount)},"
                    + $"@{nameof(TransactionType)},"
                    + $"@{nameof(FeeCurrency)},"
                    + $"@{nameof(FeeAmount)},"
                    + $"@{nameof(Platform)},"
                    + $"@{nameof(Note)}";
        }

        public string FullInfo => $"{ Index } { GetLocalTimeFromUnixTime(UnixTime) } { Currency } { Amount } { TransactionType }";

        #endregion
    }


    public class Wallet : DBClasses
    {
        #region Publics
        public override string DBVariables { get => base.DBVariables; set => base.DBVariables = value; }
        public override string DBTableName => "Wallets";

        public long UnixTimeCreated { get; set; }
        public string Platform { get; set; }
        public string Name { get; set; }
        public string Currency { get; set; }
        public float Balance { get; set; }
        public int DefaultWallet { get; set; }
        public string Note { get; set; }

        #endregion

        #region Constructors

        public Wallet() { SetDBStrings(); }

        public Wallet(DateTime dateTime, string platform, string name, string currency, float balance, int defaultWallet, string note)
        {
            SaveUnixTimeNow();
            UnixTimeCreated = GetUnixTime(dateTime);
            Platform = platform;
            Name = name;
            Currency = currency;
            Balance = balance;
            DefaultWallet = defaultWallet;
            Note = note;

            SetDBStrings();
        }

        #endregion

        #region Functions

        private void SetDBStrings()
        {
            DBVariables =
                  $"@{nameof(UnixTime)},"
                + $"@{nameof(UnixTimeCreated)},"
                + $"@{nameof(Platform)},"
                + $"@{nameof(Name)},"
                + $"@{nameof(Currency)},"
                + $"@{nameof(Balance)},"
                + $"@{nameof(DefaultWallet)},"
                + $"@{nameof(Note)}";
        }

        //public string FullInfo => $"{ Index.ToString() } { DateTimeString } { Currency } { Amount } { TransactionType }";

        #endregion
    }

}