using ProjectGrid.Data;
using System;
using System.Collections.Generic;

namespace ProjectGrid.Models
{
  public class UserRepository : IUserRepository
  {
    private List<UserModel> users = new List<UserModel>();
    private int _nextId = 1;

    public UserRepository()
    {
      Add(new UserModel { firstName = "first1", lastName = "last1", email = "email1@gmail.com" });
      Add(new UserModel { firstName = "first2", lastName = "last2", email = "email2@gmail.com" });
      Add(new UserModel { firstName = "first3", lastName = "last3", email = "email3@gmail.com" });
    }

    public IEnumerable<UserModel> GetAll()
    {
      return users;
    }

    public UserModel Add(UserModel item)
    {
      if (item == null)
      {
        throw new ArgumentNullException("item");
      }
      item.Id = _nextId++;
      users.Add(item);
      return item;
    }
  }
}