using System;
using UnityEngine;

public class ScoreService : IScoreService
{
    public event Action<int> OnScoreChange;
    public int score { get; private set; }

    public int highScore { get; private set; } = PlayerPrefs.GetInt("HighScore");

    public void AddScore()
    {
        score += 5;
        if (score>highScore)
        {
            SetNewHighScore();
        }
        OnScoreChange?.Invoke(score);
    }

    private void SetNewHighScore()
    {
        highScore = score;
        PlayerPrefs.SetInt("HighScore", highScore);
        PlayerPrefs.Save();
    }

}

public interface IScoreService
{
    int score { get; }
    int highScore { get; }
    event Action<int> OnScoreChange;
    void AddScore();
}