using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

// <Auto-Generated>
// This is here so CodeMaid doesn't reorganize this document
// </Auto-Generated>
namespace LiMan.DB.DBModels
{
    [Table("EnrollRequest")]
    public partial class EnrollRequestModel
    {
        /// <summary>
        /// ID univoco
        /// </summary>
        [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int IdReq { get; set; }

        /// <summary>
        /// Passcode usato per autorizzare (un valore random NON DUPLICATO con quelli attivi al momento della richiesta)
        /// </summary>
        public int Passcode { get; set; } = 0;

        /// <summary>
        /// Payload richiesta, ovvero la serializzazione json di un Dict[string,string] delle info ricevute
        /// </summary>
        public string ReqPayload { get; set; } = "";

        /// <summary>
        /// DataOra richiesta enroll
        /// </summary>
        public DateTime DtReq { get; set; } = DateTime.Now;

        /// <summary>
        /// DataOra approvazione
        /// </summary>
        public DateTime? DtAppr { get; set; } = null;

        /// <summary>
        /// Username approvatore
        /// </summary>
        public string UserAppr { get; set; } = "";

        /// <summary>
        /// Licenza fornita in risposta alla richiesta
        /// </summary>
        public int IdxLic { get; set; } = 0;

        /// <summary>
        /// Indica Scaduta se non approvata e richiesta da oltre 15 minuti
        /// </summary>
        [NotMapped]
        public bool IsScaduta
        {
            get => DtAppr == null && DateTime.Now.Subtract(DtReq).TotalMinutes > minScad;
        }


        /// <summary>
        /// DataOra Scadenza richiesta (periodo indicato - 10 sec)
        /// </summary>
        [NotMapped]
        public DateTime DtScadenza
        {
            get => DtReq.AddSeconds(minScad * 60 - 10);
        }

        [NotMapped]
        public Dictionary<string, string> DictAttrib
        {
            get
            {
                Dictionary<string, string> answ = new Dictionary<string, string>();
                if (!string.IsNullOrEmpty(ReqPayload))
                {
                    try
                    {
                        answ = JsonConvert.DeserializeObject<Dictionary<string, string>>(ReqPayload);
                    }
                    catch { }
                }
                return answ;
            }
        }
        public int DictNumKVP()
        {
            return DictAttrib.Count;
        }
        public Dictionary<string, string> DictAttribShort(int numMax)
        {
            Dictionary<string, string> answ = DictAttrib;
            if (answ.Count > numMax)
            {
                answ = answ.Take(numMax).ToDictionary(x => x.Key, x => x.Value);
            }
            return answ;
        }

        /// <summary>
        /// Scadenza massima (in minuti) per la richiesta
        /// </summary>
        private const int minScad = 15;
    }
}