using System.Collections;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using System;
using Firebase.Database;
using Firebase.Extensions;

public class PosttestControlller : MonoBehaviour
{
    public string posttestSceneName = "Posttest";
    public Button tombolPosttest;
    public GameObject panelKunciPosttest;

    private string kodeLogin;
    private string currentMateri;
    private string posttestKey;
    private bool posttestUnlocked = false;


    void Start()
    {
        kodeLogin = TestManager.Instance.kodeLogin;
        currentMateri = LevelControl.Instance.currentMateriName;

        tombolPosttest.interactable = false; // Disable dulu
        CheckAllMateriUnlockedFromFirebase();
    }

    public void OpenPosttest()
    {
        if (posttestUnlocked)
        {
            SceneManager.LoadScene(posttestSceneName);
            if (panelKunciPosttest != null)
                panelKunciPosttest.SetActive(false);
        }
        else
        {
            tombolPosttest.interactable = false;
            Debug.Log("Posttest belum terbuka.");

            if (panelKunciPosttest != null)
                panelKunciPosttest.SetActive(true);
            StartCoroutine(ClosePanel());
        }
    }


    IEnumerator ClosePanel()
    {
        panelKunciPosttest.SetActive(true);
        yield return new WaitForSeconds(2f);
        panelKunciPosttest.SetActive(false);
    }

    private void CheckAllMateriUnlockedFromFirebase()
    {
        var materiList = LevelControl.Instance.materiLevelPairs;

        int totalCek = materiList.Count;
        int selesai = 0;
        bool semuaLulus = true;

        foreach (var pair in materiList)
        {
            string path = $"users/{kodeLogin}/progress/{pair.materiName}";
            int levelTotal = pair.levelNames.Count;

            FirebaseDatabase.DefaultInstance.GetReference(path)
                .GetValueAsync().ContinueWithOnMainThread(task =>
                {
                    selesai++;

                    if (task.IsCompleted && task.Result.Exists)
                    {
                        //int unlocked = int.Parse(task.Result.Value.ToString());
                        int unlocked = 1;
                        int.TryParse(task.Result.Value.ToString(), out unlocked);
                        if (unlocked < levelTotal)
                        {
                            semuaLulus = false;
                            Debug.Log($"[Posttest] {pair.materiName} belum lengkap ({unlocked}/{levelTotal})");
                        }
                    }
                    else
                    {
                        semuaLulus = false;
                        Debug.Log($"[Posttest] Gagal cek {pair.materiName}");
                    }

                    // Setelah semua data dicek
                    if (selesai == totalCek)
                    {
                        OnCekSemuaLevelSelesai(semuaLulus);
                    }
                });
        }
    }

    private void OnCekSemuaLevelSelesai(bool semuaSelesai)
    {
        string posttestPath = $"users/{kodeLogin}/posttestUnlocked/{currentMateri}";

        if (semuaSelesai)
        {
            posttestUnlocked = true;
            FirebaseDatabase.DefaultInstance.GetReference(posttestPath).SetValueAsync(true);

            tombolPosttest.interactable = true;
            Debug.Log("[Posttest] Semua materi selesai! Tombol posttest aktif.");
        }
        else
        {
            FirebaseDatabase.DefaultInstance.GetReference(posttestPath)
                .GetValueAsync().ContinueWithOnMainThread(task =>
                {
                    if (task.IsCompleted && task.Result.Exists && task.Result.Value.ToString() == "true")
                    {
                        posttestUnlocked = true;
                        tombolPosttest.interactable = true;
                        Debug.Log("[Posttest] Sudah pernah unlock sebelumnya (Firebase).");
                    }
                    else
                    {
                        posttestUnlocked = false;
                        tombolPosttest.interactable = false;
                        Debug.Log("[Posttest] Belum selesai semua materi.");
                    }
                });
        }
    }

}