using System;
using TMPro;
using UnityEngine;

public class GameTimer : MonoBehaviour {
	TMP_Text label;
	float timer;
	float highScore;
	bool stopped;
	
	public bool Stopped {
		get => stopped;
		set {
			stopped = value;
			UpdateLabel();
		}
	}

	public bool ShowHighScore {
		get => showHighScore;
		set {
			showHighScore = value;
			UpdateLabel();
		}
	}

	bool showHighScore;
	public const string HIGH_SCORE_KEY = "High Score";

	void Awake() {
		label = GetComponent<TMP_Text>();
		timer = 0f;
		highScore = PlayerPrefs.GetFloat(HIGH_SCORE_KEY);
		Stopped = true;
	}

	void Update() {
		if (Stopped)
			return;

		timer += Time.deltaTime;
		SaveHighScore();
		UpdateLabel();
	}

	void UpdateLabel() {
		label.text = TimeSpan.FromSeconds(timer)
			.ToString(@"mm\:ss");
		if (ShowHighScore)
			label.text += "\nBest Time: " + TimeSpan.FromSeconds(highScore)
				.ToString(@"mm\:ss");
	}

	public void SaveHighScore() {
		if (timer <= highScore)
			return;
		
		PlayerPrefs.SetFloat(HIGH_SCORE_KEY, timer);
		highScore = timer;
	}

	public void ResetHighScore() {
		PlayerPrefs.DeleteKey(HIGH_SCORE_KEY);
		highScore = 0f;
	}
}