using System.Collections.Generic;
using System.Threading.Tasks;
using LaDOSE.Entity;

namespace LaDOSE.Business.Interface
{
    public interface IStatisticsService
    {
        /// <summary>
        /// Aggregate the persisted sets of the given Events into per-player records,
        /// head-to-head records and a coverage report.
        /// A null or empty id list yields a well-formed, zeroed <see cref="MatchStats"/>.
        /// </summary>
        Task<MatchStats> GetMatchStats(List<int> eventIds);
    }
}