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

using Microsoft.EntityFrameworkCore;
using ProjectGrid.Models;


namespace ProjectGrid.Data
{
  public class DataAccessContext : DbContext, IUserRepository
  {
    public DataAccessContext(DbContextOptions<DataAccessContext> options) : base(options) { }

    public DbSet<UserData> Users { get; set; }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
      modelBuilder.Entity<UserData>().ToTable("USER");
    }

    public IEnumerable<UserModel> GetAll()
    {
      return Users.Select<UserData, UserModel>(data => data.ToModel());
    }

    public UserModel Add(UserModel user)
    {
      // TODO: check if exist
      Users.Add(new UserData(user));
      SaveChanges();
      return user;
    }
  }

  public class UserData
  {
    public int? Id { get; set; }
    public string Name1 { get; set; }
    public string Name2 { get; set; }
    public string Email { get; set; }

    public UserData() { }
    public UserData(UserModel model)
    {
      Name1 = model.firstName;
      Name2 = model.lastName;
      Email = model.email;
    }

    public UserModel ToModel()
    {
      return new UserModel { firstName = Name1, lastName = Name2, email = Email };
    }
  }
}