using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.SceneManagement; // ADICIONADO PARA TROCAR DE CENA

public class MemoryManager : MonoBehaviour
{
    [System.Serializable]
    public class MemoryClass
    {
        public string answer = "";
        public Sprite image;
        public string textInsImg = "";
        public string imgCaller;
    }

    public static MemoryManager instance;
    public GameObject memoryPrefab;
    public Transform memoryOrg;
    public int correctAnswers;
    public Animator finishAnim;
    public bool canPlay = false;
    [SerializeField]
    public List<MemoryClass> memories;
    private List<MemoryButtonBehaviour> clickedButtons = new List<MemoryButtonBehaviour>();
    private List<int> possibleImgId = new List<int>();
    private List<int> possibleStrId = new List<int>();
    private bool finishedGame, ended;

    GamesResourcesFinder resourcesFinder;

    void Start()
    {
        StartCoroutine(FakeStart());
    }

    IEnumerator FakeStart()
    {
        yield return new WaitForFixedUpdate();

        resourcesFinder = GamesResourcesFinder.instance;

        while (!resourcesFinder.gameReady)
        {
            yield return new WaitForEndOfFrame();
        }

        instance = this;
        for (int i = 0; i < memories.Count; i++)
        {
            possibleImgId.Add(i);
            possibleStrId.Add(i);
        }
        ended = false;
        finishedGame = false;
        SetupMemory();
        StartCoroutine(StartTimer());

        GameControl jooj = new GameControl();
        jooj.ended = false;
        jooj.finishedGame = false;
        jooj.failedGame = false;
    }

    public void SetupMemory()
    {
        for (int i = 0; i < memories.Count; i++)
        {
            int rn1 = Random.Range(0, possibleImgId.Count);
            Sprite thisSprite = null;

            if (!string.IsNullOrEmpty(memories[possibleImgId[rn1]].imgCaller))
            {
                thisSprite = resourcesFinder.AskForImage(memories[possibleImgId[rn1]].imgCaller);
            }

            GameObject temp = Instantiate(memoryPrefab, memoryOrg, false);
            temp.GetComponent<MemoryButtonBehaviour>().SetupButton(possibleImgId[rn1], thisSprite, memories[possibleImgId[rn1]].textInsImg);
            temp.name = memories[rn1].answer + " Image ";
            possibleImgId.RemoveAt(rn1);

            int rn2 = Random.Range(0, possibleStrId.Count);
            GameObject temp2 = Instantiate(memoryPrefab, memoryOrg, false);
            temp2.GetComponent<MemoryButtonBehaviour>().SetupButton(possibleStrId[rn2], null, memories[possibleStrId[rn2]].answer);
            temp2.name = memories[rn2].answer;
            possibleStrId.RemoveAt(rn2);
        }
    }

    public void CompareButtons(MemoryButtonBehaviour mem)
    {
        if (canPlay)
        {
            if (clickedButtons.Count < 1)
            {
                clickedButtons.Add(mem);
            }
            else if (clickedButtons.Count == 1)
            {
                clickedButtons.Add(mem);
                if (clickedButtons[0].id == clickedButtons[1].id && clickedButtons[0].gameObject != clickedButtons[1].gameObject)
                {
                    StartCoroutine(CorrectAnswer());
                }
                else
                {
                    StartCoroutine(WrongAnswer());
                }
            }
            else
            {
                mem.DoFlip();
            }
        }
    }

    IEnumerator StartTimer()
    {
        yield return new WaitForSecondsRealtime(11.5f);
        canPlay = true;
    }

    IEnumerator CorrectAnswer()
    {
        yield return new WaitForSecondsRealtime(.75f);
        DisableButtons();
        correctAnswers++;
        if (correctAnswers == memories.Count)
        {
            WinGame();
        }
    }

    IEnumerator WrongAnswer()
    {
        yield return new WaitForSecondsRealtime(.75f);
        clickedButtons[0].DoFlip();
        clickedButtons[1].DoFlip();
        clickedButtons.Clear();
    }

    public void DisableButtons()
    {
        clickedButtons[0].DoDeactivate();
        clickedButtons[1].DoDeactivate();
        clickedButtons.Clear();
    }

    public void WinGame()
    {
        finishAnim.SetTrigger("Success");

        if (GameObject.Find("GameControl") != null)
        {
            GameControl jooj = GameObject.Find("GameControl").GetComponent<GameControl>();
            jooj.finishedGame = true;
        }

        StartCoroutine(BackToMenuAfterDelay()); // CHAMA A CORROTINA PARA VOLTAR AO MENU
    }

    IEnumerator BackToMenuAfterDelay()
    {
        yield return new WaitForSeconds(2f); // Tempo de exibição da animação de sucesso
        SceneManager.LoadScene("Menu"); // <-- SUBSTITUA "Menu" PELO NOME CORRETO DA SUA CENA DE MENU
    }

    public void GameOver()
    {
        canPlay = false;
        finishAnim.SetTrigger("GameOver");
    }
}