using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Db.Model
{
    public class Consumer : INotifyPropertyChanged
    {
        private String name;
        private String address;
        private ICollection<Meter> meters = new List<Meter>();

        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        public String Name {
            get { return this.name; }
            set {
                if(this.name == value) { return; }
                this.name = value;
                Notify("Name");
            }
        }
        public String Address {
            get { return address; }
            set
            {
                if(this.address == value) { return; }
                this.address = value;
                Notify("Address");
            }
        }

        public ICollection<Meter> Meters {
            get { return meters; }
            set
            {
                this.meters = value;
                Notify("Meters");
            }
        }

        public Consumer() {
        }

        public Consumer(String name, String address)
        {
            Name = name;
            Address = address;
        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void Notify(String propName)
        {
            if (this.PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(propName));
            }
        }

        public override string ToString()
        {
            return Id + "\t" + Name + "\t\t\t" + Address + "\tMeters: " + Meters.Count;
        }
    }
}