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

namespace Teams.Handlers
{
	public class GetTeamsQueryHandler : IRequestHandler<GetTeamsQuery, PagedList<Team>>
	{
		private readonly TeamsContext _dbContext;

		public GetTeamsQueryHandler(TeamsContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

		public async Task<PagedList<Team>> Handle(GetTeamsQuery request, CancellationToken cancellation)
		{
			return PagedList<Team>.ToPagedList(await _dbContext.Teams.ToListAsync(), request.PageNumber, request.PageSize);
		}
	}
}