using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace sharpknife
{
    public partial class Mail
    {
        public enum StatusCodes
        {
            Unread = 0,
            Read = 1
        }

        public StatusCodes Status
        {
            get
            {
                return (StatusCodes)StatusCode;
            }
            set
            {
                StatusCode = (int)value;

                OnPropertyChanged("Status");
            }
        }

        //private int mailNumber;
        //public int MailNumber
        //{
        //    get
        //    {
        //        return mailNumber;
        //    }
        //    set
        //    {
        //        mailNumber = value;
        //        OnPropertyChanged("MailNumber");
        //    }
        //}

        public Mail()
        {
            Status = StatusCodes.Unread;

            this.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(Mail_PropertyChanged);
        }

        void Mail_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "StatusCode")
            {
                OnPropertyChanged("Status");
            }
            //else if (e.PropertyName == "MailNumber")
            //{
            //    OnPropertyChanged("MailNumber");
            //}
        }

        public Mail(string from, string to, string subject, string body, int mailNumber)
            : this()
        {
            this.From = from;
            this.To = to;
            this.Subject = subject;
            this.Body = body;
            this.MailNumber = mailNumber;
        }

        public static bool Exists(string messageId)
        {
            using (databaseEntities context = new databaseEntities())
            {
                return
                     (from i in context.Mail
                      where i.MessageId == messageId
                      select i).Count<Mail>() > 0;
            }
        }

        public void Save()
        {
            using (databaseEntities context = new databaseEntities())
            {
                Mail item =
                    (from i in context.Mail
                     where i.MessageId == MessageId
                     select i).FirstOrDefault<Mail>();

                if (item == null)
                {
                    //item = new Mail()
                    //{
                    MailId = Guid.NewGuid();
                    CreatedOn = DateTime.Now;
                    ModifiedOn = DateTime.Now;
                    //    From = 
                    //};
                    context.Mail.AddObject(this);
                }
                else
                {
                    item.ModifiedOn = DateTime.Now;
                    item.Status = this.Status;
                }

                context.SaveChanges();
            }
        }
    }
}