using System;
using System.Collections.Generic;
using UnityEngine;

public class RankSystem : MonoBehaviour
{
    public static event Action<RankInfo> OnNewRank;
    
    [SerializeField] private List<RankInfo> Ranks;
    private RankInfo currentRank;

    public void Initialize()
    {
        if(Ranks == null || Ranks.Count == 0)
        {
            Debug.LogError("Ранги не заданы", this);
            return;
        }
        SortRanks();
        currentRank = Ranks[0];
        G.ScoreModel.OnUpdate += Refresh;
    }

    private void Refresh(ScoreModel model)
    {
        RankInfo RankByScore = GetActualRank(model.Score);

        if(RankByScore != currentRank)
        {
            currentRank = RankByScore;
            OnNewRank?.Invoke(currentRank);
        }
    }

    private void OnDestroy()
    {
        G.ScoreModel.OnUpdate -= Refresh;
    }

    private RankInfo GetActualRank(int score)
    {
        for (int i = Ranks.Count - 1; i >= 0; i--)
        {
            if (score >= Ranks[i].RequiredScore)
            {
                return Ranks[i];
            }
        }

        return Ranks[0];
    }

    private void SortRanks()
    {
        Ranks.Sort();
    }

    [Serializable]
    public class RankInfo : IComparable<RankInfo>
    {
        public string Name;
        public Sprite Sprite;
        public int RequiredScore;

        public int CompareTo(RankInfo other)
        {
            if (other == null) return 1;
            return RequiredScore.CompareTo(other.RequiredScore);
        }
    }
}