using System;
using Luticate2.Auth.DataAccess.Models;
using Luticate2.Auth.Dbo.Groups;
using Luticate2.Utils.DataAccess;
using Luticate2.Utils.Dbo.Result;
using Microsoft.EntityFrameworkCore;
using Npgsql;

namespace Luticate2.Auth.DataAccess
{
    public class LuGroupsDataAccess : LuEfCrudDataAccess<lu_groups, LuGroupsAddDbo, LuGroupsDbo, LuGroupsAddDbo, LuAuthDatabaseContext, string>
    {
        public LuGroupsDataAccess(IServiceProvider serviceProvider) : base(serviceProvider)
        {
        }

        protected override LuResult<T> HandleError<T>(Exception e)
        {
            if (e is DbUpdateException && e.InnerException is PostgresException)
            {
                var pge = (PostgresException) e.InnerException;
                if (pge.ConstraintName == "lu_groups_name_key")
                {
                    return LuResult<T>.Error(LuStatus.InputError, e, "Group name already exists");
                }
            }
            return null;
        }

        protected override DbSet<lu_groups> GetTable(LuAuthDatabaseContext db)
        {
            return db.lu_groups;
        }

        protected override lu_groups GetModelFromTCreate(LuGroupsAddDbo obj)
        {
            return GetModelFromTUpdate(obj, new lu_groups());
        }

        protected override void EditModelFromTUpdate(LuGroupsAddDbo obj, lu_groups model)
        {
            model.name = obj.Name;
        }

        protected override LuGroupsDbo GetDboFromModel(lu_groups model)
        {
            return model.ToDbo();
        }
    }
}