using CoreDatabase;
using CoreDatabase.Models.Department;
using DepartmentContract.BindingModels;
using DepartmentContract.Services.IGenericEntityService;
using DepartmentContract.ViewModels;
using Microsoft.EntityFrameworkCore;
using System.Linq;
using ToolsModule.ManagmentEntity;

namespace DepartmentDatabaseImplementation.Implementations.AbstractGenerticEntityService
{
    /// <summary>
    /// Реализация IEmployeePostService
    /// </summary>
    public class EmployeePostService :
		AbstractGenerticEntityService<EmployeePostGetBindingModel, EmployeePostSetBindingModel, EmployeePost, EmployeePostListViewModel, EmployeePostViewModel>, 
		IEmployeePostService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, EmployeePostSetBindingModel model) => OperationResultModel.Success(null);

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

		protected override IQueryable<EmployeePost> AdditionalCheckingWhenReadingList(IQueryable<EmployeePost> query, EmployeePostGetBindingModel model)
		{
			if (model.PostId.HasValue)
			{
				query = query.Where(x => x.PostId == model.PostId);
			}
			if (model.EmployeeId.HasValue)
			{
				query = query.Where(x => x.EmployeeId == model.EmployeeId);
			}
			return query;
		}

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

		protected override void AdditionalDeleting(DbContext context, EmployeePost entity, EmployeePostGetBindingModel model) { }

		protected override EmployeePost GetUniqueEntity(EmployeePostSetBindingModel model, IQueryable<EmployeePost> query) => query.FirstOrDefault(x => x.EmployeeId == model.EmployeeId && x.PostId == model.PostId && x.Id != model.Id);

		protected override IQueryable<EmployeePost> IncludingWhenReading(IQueryable<EmployeePost> query) => query.Include(x => x.Post).Include(x => x.Employee);

		protected override IQueryable<EmployeePost> OrderingWhenReading(IQueryable<EmployeePost> query) => query.OrderBy(x => x.Employee.LastName);
	}
}