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

namespace Seasons.Handlers
{
	public class GetSeasonsQueryHandler : IRequestHandler<GetSeasonsQuery, PagedList<Season>>
	{
		private readonly SeasonsContext _dbContext;

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

		public async Task<PagedList<Season>> Handle(GetSeasonsQuery request, CancellationToken cancellationToken)
		{
			var seasons = await _dbContext.Seasons.ToListAsync();
			return PagedList<Season>.ToPagedList(await _dbContext.Seasons.ToListAsync(), request.PageNumber, request.PageSize);
		}
	}
}