using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using EscapeRoomEngine.Engine.Runtime.Utilities;
using JetBrains.Annotations;
using MongoDB.Bson;
using Realms;

namespace EscapeRoomEngine.Engine.Runtime.Measurements
{
    [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]
    public class Session : RealmObject
    {
        [PrimaryKey]
        public ObjectId ID { get; set; }
        public float Time { get; set; }
        public IList<PlanResult> PlanResults { get; }
        public IList<Puzzle> PuzzlesSolved { get; }

        public IEnumerable<float> Percentiles => PlanResults.Select(result => result.SectionPercentile);
        public float MeanPercentile => PlanResults.Count == 0 ? .5f : Probability.Mean(Percentiles.ToArray());

        [UsedImplicitly]
        public Session()
        {
            ID = ObjectId.GenerateNewId();
        }

        public override string ToString()
        {
            return $"Session {ID}: {PuzzlesSolved.Count} puzzles solved in {Time.ToTimeSpan():m':'ss}";
        }
    }
}