using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;

namespace CRM.Core.Model.Entity
{
    [Table("Bas_Aseq")]
    public class Bas_Aseq
    {
        [Key]
        public string Name { get; set; }
        public long Start_Value { get; set; }
        public int Increment_Value { get; set; }

        public long Get(string name)
        {
            using (var db = new zxdContext())
            {
                var seq = db.Bas_Aseq.FirstOrDefault(p => p.Name == name);
                var id = seq.Start_Value;
                if (id.ToString().Length == 6)
                {
                    var a = id.ToString().Substring(0, 4);
                    var b = int.Parse(id.ToString().Substring(4, 2)) + 1;
                    seq.Start_Value = int.Parse(a + b);
                }
                else
                {
                    seq.Start_Value = seq.Start_Value + 1;
                }

                db.SaveChanges();
                return id;
            }
        }
    }
}