using DigitalData.UserManager.Domain.Entities;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
#if NETFRAMEWORK
using System;
using System.Collections.Generic;
using System.Linq;
#endif

namespace EnvelopeGenerator.Domain.Entities
{
    [Table("TBSIG_ENVELOPE", Schema = "dbo")]
    public class Envelope
    {
        // TODO: * Check the Form App and remove the default value
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        [Column("GUID")]
        public int Id { get; set; } = 0;

        [Required]
        [Column("USER_ID")]
        public int UserId { get; set; }

        // TODO: * Check the Form App and remove the default value
        [Required]
        [Column("STATUS")]
        public int Status { get; set; } = (int)Constants.EnvelopeStatus.EnvelopeCreated;

        [NotMapped]
        public string StatusName => ((Constants.EnvelopeStatus)Status).ToString();

        // TODO: The default value is set to 0. Check the Form App to remove this
        [Required]
        [Column("ENVELOPE_UUID", TypeName = "nvarchar(36)")]
        public string Uuid { get; set; } = Guid.NewGuid().ToString();

        // TODO: * Check the Form App and remove the default value
        [Column("MESSAGE", TypeName = "nvarchar(max)")]
        public string Message { get; set; }
#if NETFRAMEWORK
            = My.Resources.Envelope.Please_read_and_sign_this_document;
#endif

        [Column("EXPIRES_WHEN", TypeName = "datetime")]
        public DateTime? ExpiresWhen { get; set; }

        [Column("EXPIRES_WARNING_WHEN", TypeName = "datetime")]
        public DateTime? ExpiresWarningWhen { get; set; }

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

        [Column("CHANGED_WHEN", TypeName = "datetime")]
        public DateTime? ChangedWhen { get; set; }

        // TODO: * Check the Form App and remove the default value
        [Column("TITLE", TypeName = "nvarchar(128)")]
        public string
#if NET
            ?
#endif
            Title { get; set; }
#if NETFRAMEWORK
            = string.Empty;
#endif

        [Column("COMMENT", TypeName = "nvarchar(128)")]
        public string Comment { get; set; } = string.Empty;

        [Column("CONTRACT_TYPE")]
        public int? ContractType { get; set; }

        // TODO: * Check the Form App and remove the default value
#if NETFRAMEWORK
        [NotMapped]
        public string ContractTypeTranslated => My.Resources.Model.ResourceManager.GetString(ContractType.ToString());
#endif

        // TODO: * Check the Form App and remove the default value
        [Column("LANGUAGE", TypeName = "nvarchar(5)")]
        public string Language { get; set; } = "de-DE";

        // TODO: * Check the Form App and remove the default value
        [Column("SEND_REMINDER_EMAILS")]
        public bool SendReminderEmails { get; set; } = false;

        // TODO: * Check the Form App and remove the default value
        [Column("FIRST_REMINDER_DAYS")]
        public int? FirstReminderDays { get; set; } = 0;

        // TODO: * Check the Form App and remove the default value
        [Column("REMINDER_INTERVAL_DAYS")]
        public int? ReminderIntervalDays { get; set; } = 0;

        [Column("ENVELOPE_TYPE")]
        public int? EnvelopeTypeId { get; set; }

        // TODO: * Check the Form App and remove the default value
        [Column("CERTIFICATION_TYPE")]
        public int? CertificationType { get; set; } = (int)Constants.CertificationType.AdvancedElectronicSignature;

        // TODO: * Check the Form App and remove the default value
        [Column("USE_ACCESS_CODE")]
        public bool UseAccessCode { get; set; } = false;

        [Column("FINAL_EMAIL_TO_CREATOR")]
        public int? FinalEmailToCreator { get; set; }

        [Column("FINAL_EMAIL_TO_RECEIVERS")]
        public int? FinalEmailToReceivers { get; set; }

        [Column("EXPIRES_WHEN_DAYS")]
        public int? ExpiresWhenDays { get; set; }

        [Column("EXPIRES_WARNING_WHEN_DAYS")]
        public int? ExpiresWarningWhenDays { get; set; }

        // TODO: * Check the Form App and remove the default value
        [Column("TFA_ENABLED", TypeName = "bit")]
        public bool TFAEnabled { get; set; } = false;

        [Column("DOC_RESULT", TypeName = "varbinary(max)")]
        public byte[] DocResult { get; set; }

        [NotMapped]
        public string CURRENT_WORK_APP { get; set; } = "signFLOW GUI";

        // TODO: * Check the Form App and remove the default value
        [ForeignKey("UserId")]
        public User User { get; set; }

        [ForeignKey("EnvelopeTypeId")]
        public EnvelopeType EnvelopeType { get; set; }

        [NotMapped]
        public string EnvelopeTypeTitle => EnvelopeType?.Title;

        [NotMapped]
        public bool IsAlreadySent => Status > (int)Constants.EnvelopeStatus.EnvelopeSaved;

#if NETFRAMEWORK
        [NotMapped]
        public string StatusTranslated => My.Resources.Model.ResourceManager.GetString(((Constants.EnvelopeStatus)Status).ToString());
#endif

        [NotMapped]
        public bool TFA_Enabled { get; set; } = false;

        [NotMapped]
        public byte[] DOC_RESULT { get; set; }

        // TODO: * Check the Form App and remove the default value
        public List<EnvelopeDocument> Documents { get; set; } = new List<EnvelopeDocument>();

        // TODO: * Check the Form App and remove the default value
        public List<EnvelopeHistory> History { get; set; } = new List<EnvelopeHistory>();

        // TODO: * Check the Form App and remove the default value
        [NotMapped]
        public List<Receiver> Receivers { get; set; } = new List<Receiver>();

        /// <summary>
        /// Validates whether the receiver and document data are complete.
        /// </summary>
        public List<string> ValidateReceiverDocumentData()
        {
            var errors = new List<string>();

            if (!Documents?.Any() ?? true)
                errors.Add(My.Resources.Envelope.Missing_Documents);

            if (!Receivers?.Any() ?? true)
                errors.Add(My.Resources.Envelope.Missing_Receivers);

            if (Receivers?.Any(r => !r.HasEmailAndName) ?? false)
                errors.Add(My.Resources.Envelope.Incomplete_Receivers);

            return errors;
        }
    }
}