using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Drawing;
#if NETFRAMEWORK
using System;
using System.Collections.Generic;
#endif

namespace EnvelopeGenerator.Domain.Entities
{
    [Table("TBSIG_RECEIVER", Schema = "dbo")]
    public class Receiver
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        [Column("GUID")]
        public int Id { get; set; }

        [Required, EmailAddress]
        [Column("EMAIL_ADDRESS", TypeName = "nvarchar(128)")]
        public string EmailAddress { get; set; }

        [Required]
        [Column("SIGNATURE", TypeName = "nvarchar(64)")]
        public string Signature { get; set; }

        [Required]
        [Column("ADDED_WHEN", TypeName = "datetime")]
        public DateTime AddedWhen { get; set; }

        [Column("TOTP_SECRET_KEY", TypeName = "nvarchar(MAX)")]
        public string TotpSecretkey { get; set; }

        [Column("TFA_REG_DEADLINE", TypeName = "datetime")]
        public DateTime TfaRegDeadline { get; set; }

        public IEnumerable<EnvelopeReceiver> EnvelopeReceivers { get; set; }

        [NotMapped]
        public string Name { get; set; }

        [NotMapped]
        public string Company { get; set; } = string.Empty;

        [NotMapped]
        public string JobTitle { get; set; } = string.Empty;

        [NotMapped]
        public string PhoneNumber { get; set; } = string.Empty;

        [NotMapped]
        public string AccessCode { get; set; } = string.Empty;

        [NotMapped]
        public string PrivateMessage { get; set; } = string.Empty;

        [NotMapped]
        public int Sequence { get; set; } = 0;

        [NotMapped]
        public DateTime SignedDate { get; set; } = DateTime.MinValue;

        [NotMapped]
        public Constants.ReceiverStatus Status { get; set; }

        [NotMapped]
        public Constants.ColorType ColorType { get; set; }

        [NotMapped]
        public bool HasId => Id > 0;

        [NotMapped]
        public bool HasEmailAndName =>
            !string.IsNullOrWhiteSpace(EmailAddress) &&
            !string.IsNullOrWhiteSpace(Name);

        [NotMapped]
        public string SignedDateDisplayValue =>
            SignedDate == DateTime.MinValue ? "-" : SignedDate.ToString("G");

        [NotMapped]
        public Color Color => ColorType.ToColor();

        public string GetSignature()
        {
            return EmailAddress.ToUpperInvariant().GetChecksum();
        }
    }
}