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

namespace Seasons.Handlers
{
	public class GetSeasonByIdQueryHandler : IRequestHandler<GetSeasonByIdQuery, Season>
	{
		private readonly SeasonsContext _dbContext;

		public GetSeasonByIdQueryHandler(SeasonsContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

		public async Task<Season> Handle(GetSeasonByIdQuery request, CancellationToken cancellationToken)
		{
			return await _dbContext.Seasons.Where(s => s.Id == request.SeasonId).FirstOrDefaultAsync();
		}
	}
}