#pragma warning disable CS0626
#pragma warning disable CS0649
#pragma warning disable IDE0051
#pragma warning disable IDE1006

using MU3.Data;
using MU3.DataStudio;
using MU3.Util;
using System.Collections.Generic;
using System.Linq;

namespace MU3.User;

public class patch_UserRating: UserRating {
    private int _rating100;
    private UserManager usMgr => Singleton<UserManager>.instance;

    // Adaptation of calcBest() without bullshit
    // The original lists stay intact because the game expects them to be filled
    private RatingList calcSane() {
        RatingList ratingList = new();

        var musicDict = usMgr.userMusic;

        foreach (KeyValuePair<int, UserMusic> item in musicDict) {
            MU3.Data.MusicData musicData = SingletonStateMachine<DataManager, DataManager.EState>.instance.getMusicData(item.Key);
            if (musicData == null || item.Key == 1 || musicData.isBonusTrack) {
                continue;
            }
            for (int i = 0; i < 5; i++) {
                FumenDifficulty fumenDifficulty = (FumenDifficulty)i;
                UserFumen userFumen = usMgr.getUserFumen(item.Key, fumenDifficulty, create: false);
                if (userFumen == null) {
                    continue;
                }
                Rating rating = new Rating(musicData.id, fumenDifficulty, userFumen.TechScoreMax);
                if (rating.level100 == 0) {
                    continue;
                }
                ratingList.Add(rating);
            }
        }

        ratingList.Sort();

        return ratingList;
    }

    private void calcRate() {
        _rating100 = 0;
        foreach (Rating best in calcSane().Take(45)) {
            _rating100 += best.rate100;
        }
        _rating100 /= 45;
    }
}