using System;
using System.Collections.Generic;
using GameOff.Core;
using GameOff.Quiz;
using UnityEngine;
using UnityEngine.UI;

namespace GameOff.UI.Quiz
{
    public class QuestionUI: MonoBehaviour
    {
        public static event EventHandler<QuestionChoice> OnAnyQuestionChoice;
        public static void ClearStaticVariables()
        {
            OnAnyQuestionChoice = null;
        }
        
        public event EventHandler<string> OnChoiceUpdate;
        
        [SerializeField] private Text number;
        [SerializeField] private Image question;
        [SerializeField] private Transform choiceHolder;
        [SerializeField] private ChoiceUI choicePrefab;

        public void SetUp(QuestionInfo info)
        {
            number.text = $"{info.Index}.";
            question.sprite = info.Question;

            foreach (string answer in info.Choices)
            {
                ChoiceUI choice = Instantiate(choicePrefab, choiceHolder);
                choice.SetUp(answer, this);
                choice.OnAnswerTrigger += (sender, e) =>
                {
                    OnChoiceUpdate?.Invoke(this, e);
                    OnAnyQuestionChoice?.Invoke(this, new QuestionChoice(info.Index, answer));
                };
            }
        }
    }
}