using Assets.Scripts.Actions.Interfaces;
using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

[System.Serializable]
public class ConversationChangeEvent : UnityEvent<IPlayerAction> { }

public class ChoiceController : MonoBehaviour
{
    public IPlayerAction _option;
    public ConversationChangeEvent conversationChangeEvent;
    // Update is called once per frame
    public static ChoiceController AddChoiceButton(Button choiceButtonTemplate, IPlayerAction option, int index)
    {
        int buttonSpacing = -50;

        Button button = Instantiate(choiceButtonTemplate);

        button.transform.SetParent(choiceButtonTemplate.transform.parent);
        button.transform.localScale = Vector3.one;
        button.transform.localPosition = choiceButtonTemplate.transform.localPosition + new Vector3(0, index * buttonSpacing, 0);
        button.name = option.Description;
        button.gameObject.SetActive(true);
        ChoiceController choiceController = button.GetComponent<ChoiceController>();
        choiceController._option = option;
        return choiceController;
    }

    private void Start()
    {
        if (conversationChangeEvent == null)
            conversationChangeEvent = new ConversationChangeEvent();
        var btn = GetComponent<Button>();

        var txt = btn.GetComponentInChildren<TextMeshProUGUI>();
        txt.text = _option.Description;
    }

    public void MakeChoice()
    {
        conversationChangeEvent.Invoke(_option);
    }
}