using System;
using System.Linq;
using System.Text;
using System.Collections.Specialized;
using Newtonsoft.Json;
using bdAsegasa.dbcontext;

namespace bdAsegasa.db
{
    public partial class pagostelematicos
    {
        public string CodigoRecibo => this.idReciboNavigation?.CodigoRecibo ?? "";

        public static pagostelematicos GeneraPagoTelematico(tscgestionasegasa bd, OrigenPagoEnum origenPago, string referencia, string emailConfirmacion, string telefono, double importe, string dni = "", int? idRecibo = null)
        {
            try
            {
                if (idRecibo.HasValue && !bd.recibos.Any(x => x.idRecibo == idRecibo.Value))
                    throw new Exception("No se encuentra el recibo con id: " + idRecibo.Value);

                var random = new Random();
                var np = new pagostelematicos();
                np.DNI = dni?.Trim().ToUpper();
                np.Referencia = referencia?.Trim().ToUpper();
                np.EmailConfirmacionPago = emailConfirmacion?.Trim().ToLower();
                np.Telefono = telefono;
                np.Importe = Math.Round(importe, 2);
                np.FechaCreacion = DateTime.Now;
                np.idRecibo = idRecibo;
                np.OrigenPago = (int)origenPago;
                np.CodigoConfirmacionPago = random.Next(100000000, 999999999).ToString();

                bd.pagostelematicos.Add(np);
                bd.SaveChanges();
                return np;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
    }

    public enum OrigenPagoEnum
    {
        PAGO_GENERICO = 0,
        PAGO_RECIBO = 1
    }

    public class RespuestaRedsysPOST
    {
        public string Ds_SignatureVersion { get; set; }
        public string Ds_MerchantParameters { get; set; }
        public string Ds_Signature { get; set; }
        public ConfirmacionRedsys Confirmacion { get; set; }

        public RespuestaRedsysPOST() { }

        public RespuestaRedsysPOST(NameValueCollection datosPOST)
        {
            foreach (string key in datosPOST.AllKeys)
            {
                if (key == "Ds_SignatureVersion") this.Ds_SignatureVersion = datosPOST[key];
                if (key == "Ds_MerchantParameters") this.Ds_MerchantParameters = datosPOST[key];
                if (key == "Ds_Signature") this.Ds_Signature = datosPOST[key];
            }

            if (!string.IsNullOrEmpty(Ds_MerchantParameters))
            {
                byte[] bDatos = Convert.FromBase64String(Ds_MerchantParameters);
                string sDatos = Encoding.UTF8.GetString(bDatos);
                this.Confirmacion = JsonConvert.DeserializeObject<ConfirmacionRedsys>(sDatos);
            }
        }
    }

    public class ConfirmacionRedsys
    {
        public string Ds_Date { get; set; }
        public string Ds_Hour { get; set; }
        public string Ds_Amount { get; set; }
        public string Ds_Currency { get; set; }
        public string Ds_Order { get; set; }
        public string Ds_MerchantCode { get; set; }
        public string Ds_Terminal { get; set; }
        public string Ds_Response { get; set; }
        public string Ds_MerchantData { get; set; }
        public string Ds_SecurePayment { get; set; }
        public string Ds_TransactionType { get; set; }
        public string Ds_Card_Country { get; set; }
        public string Ds_AuthorisationCode { get; set; }
        public string Ds_ConsumerLanguage { get; set; }
        public string Ds_Card_Type { get; set; }

        private const string SeparadorFecha = "%2F";
        private const string SeparadorHora = "%3A";

        public DateTime Ds_Date_ComoDate
        {
            get
            {
                var parts = Ds_Date.Split(new[] { SeparadorFecha }, StringSplitOptions.None);
                return new DateTime(int.Parse(parts[2]), int.Parse(parts[1]), int.Parse(parts[0]));
            }
        }

        public TimeSpan Ds_Hour_ComoTimeSpan
        {
            get
            {
                var parts = Ds_Hour.Split(new[] { SeparadorHora }, StringSplitOptions.None);
                return new TimeSpan(int.Parse(parts[0]), int.Parse(parts[1]), 0);
            }
        }

        public double Ds_Amount_ComoDouble => double.Parse(Ds_Amount) / 100.0;

        public bool Ds_Response_ComoBoolean
        {
            get
            {
                if (uint.TryParse(Ds_Response, out uint code))
                    return code >= 0 && code <= 99;
                return false;
            }
        }

        public bool Ds_SecurePayment_ComoBoolean => Ds_SecurePayment == "1";

        public RedsysTipoTarjeta Ds_Card_Type_ComoEnum
        {
            get
            {
                if (Ds_Card_Type == "C") return RedsysTipoTarjeta.CREDITO;
                if (Ds_Card_Type == "D") return RedsysTipoTarjeta.DEBITO;
                return RedsysTipoTarjeta.NO_PROPORCIONADO;
            }
        }

        public DateTime FechaHora
        {
            get
            {
                var d = Ds_Date_ComoDate;
                var t = Ds_Hour_ComoTimeSpan;
                return new DateTime(d.Year, d.Month, d.Day, t.Hours, t.Minutes, 0);
            }
        }
    }

    public enum RedsysTipoTarjeta
    {
        NO_PROPORCIONADO = 0,
        CREDITO = 1,
        DEBITO = 2
    }
}