using CoreDatabase;
using CoreDatabase.Models.Security;
using Microsoft.EntityFrameworkCore;
using SecurityContract.BindingModels;
using SecurityContract.Services.IGenericEntityService;
using SecurityContract.ViewModels;
using System.Linq;
using ToolsModule.ManagmentEntity;

namespace SecurityDatabaseImplementation.Implementations.AbstractGenerticEntityService
{
    /// <summary>
    /// Реализация IUserRoleService
    /// </summary>
    public class UserRoleService :
		AbstractGenerticEntityService<UserRoleGetBindingModel, UserRoleSetBindingModel, UserRole, UserRoleListViewModel, UserRoleViewModel>,
		IUserRoleService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, UserRoleSetBindingModel model) => OperationResultModel.Success(null);

		protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, UserRole entity, UserRoleGetBindingModel model) => OperationResultModel.Success(null);

		protected override IQueryable<UserRole> AdditionalCheckingWhenReadingList(IQueryable<UserRole> query, UserRoleGetBindingModel model)
		{
			if (model.RoleId.HasValue)
			{
				query = query.Where(x => x.RoleId == model.RoleId);
			}
			if (model.UserId.HasValue)
			{
				query = query.Where(x => x.UserId == model.UserId);
			}
			return query;
		}

		protected override OperationResultModel AdditionalCheckingWhenUpdateing(DbContext context, UserRoleSetBindingModel model) => OperationResultModel.Success(null);

		protected override void AdditionalDeleting(DbContext context, UserRole entity, UserRoleGetBindingModel model) { }

		protected override UserRole GetUniqueEntity(UserRoleSetBindingModel model, IQueryable<UserRole> query) => query.FirstOrDefault(x => x.UserId == model.UserId && x.RoleId == model.RoleId && x.Id != model.Id);

		protected override IQueryable<UserRole> IncludingWhenReading(IQueryable<UserRole> query) => query.Include(x => x.Role).Include(x => x.User);

		protected override IQueryable<UserRole> OrderingWhenReading(IQueryable<UserRole> query) => query.OrderBy(x => x.User.UserName);

        protected override bool AdditionalCheckForSingleGet(UserRoleGetBindingModel model)
        {
			if (model.RoleId.HasValue && model.UserId.HasValue)
            {
				return true;
            }
            return base.AdditionalCheckForSingleGet(model);
        }

        protected override UserRole GetSingleRecord(IQueryable<UserRole> list, UserRoleGetBindingModel model)
		{
			if (model.RoleId.HasValue && model.UserId.HasValue)
			{
				return list.FirstOrDefault(x => x.RoleId == model.RoleId && x.UserId == model.UserId);
			}
			return base.GetSingleRecord(list, model);
        }
    }
}