using System;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class Die : MonoBehaviour
{
    private int _result = 0;
    [SerializeField] private Button dieButton = null; // assign in the editor
    public event EventHandler<Die> DieClicked;

    private void Start()
    {
        dieButton.onClick.AddListener(() => { DiePressed();});
    }

    public void SetResult(int result) {
        _result = result;
        gameObject.GetComponentInChildren<TextMeshProUGUI>().text = _result.ToString();
    }

    public int GetResult()
    {
        return _result;
    }

    public void ClearDie() {
        gameObject.GetComponent<TextMeshProUGUI>().text = String.Empty;
    }

    public void DieBeingUsed(bool isFirstPair, bool isPairComplete)
    {
        if (isPairComplete)
        {
            // Signify that both dice have been selected
            DieSelectedAndPairComplete();
        }
        else
        {
            // Signify that the die is selected but the pair is not complete
            DieSelectedButPairNotComplete();
        }
    }

    private void DiePressed()
    {
        DieClicked?.Invoke(this, this);
    }

    private void DieSelectedButPairNotComplete()
    {
        gameObject.GetComponent<Outline>().enabled = true;
    }

    private void DieSelectedAndPairComplete()
    {
        gameObject.GetComponent<Image>().color =
            ColorHelper.AddColorTint(gameObject.GetComponent<Image>().color, ColorHelper.OkayGreen, 0.5f);
    }
}