using System;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Sports.DbContexts;
using Sports.Entities;
using Sports.Queries;

namespace Sports.Handlers
{
	public class GetSportByIdQueryHandler : IRequestHandler<GetSportByIdQuery, Sport>
	{
		private readonly SportsContext _dbContext;

		public GetSportByIdQueryHandler(SportsContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

		public async Task<Sport> Handle(GetSportByIdQuery request, CancellationToken cancellationToken)
		{
			return await _dbContext.Sports.Where(s => s.Id == request.SportId).FirstOrDefaultAsync();
		}
	}
}