using UnityEngine;
using UnityEngine.Networking;
using TMPro; 
using System.Collections.Generic;
using UnityEngine.SceneManagement; // Tambah ini buat baca nama Scene

public class QuizOnline : MonoBehaviour
{
    [Header("Link Google Sheet (Isi Keduanya)")]
    public string linkCSV_Unsur = "PASTE_LINK_SHEET_1_DISINI";
    public string linkCSV_Senyawa = "PASTE_LINK_SHEET_2_DISINI";

    // Variabel buat nampung link mana yang bakal dipake
    private string urlFinal; 

    [Header("Referensi UI")]
    public GameObject panelKuis;      
    public GameObject panelLoading;   
    public GameObject panelError;     
    public TextMeshProUGUI textError; 

    private Quiz quizManager;
    private QuizCollection databaseOnline;

    void Start()
    {
        quizManager = FindObjectOfType<Quiz>();
        
        // --- LOGIKA DETEKSI SCENE ---
        string namaScene = SceneManager.GetActiveScene().name;

        // Cek nama scenenya mengandung kata apa?
        if (namaScene.Contains("Unsur"))
        {
            urlFinal = linkCSV_Unsur;
            Debug.Log("Mode Kuis: UNSUR (Sheet 1)");
        }
        else if (namaScene.Contains("Senyawa"))
        {
            urlFinal = linkCSV_Senyawa;
            Debug.Log("Mode Kuis: SENYAWA (Sheet 2)");
        }
        else
        {
            // Default kalau nama scene gak jelas, pake unsur aja
            urlFinal = linkCSV_Unsur; 
        }

        AmbilData();
    }

    public void AmbilData()
    {
        StartCoroutine(ProsesDownload());
    }

    // ... (Sisanya SAMA PERSIS kayak kode lama kamu di bawah ini) ...

    public void ModeOffline()
    {
        if(panelLoading) panelLoading.SetActive(false);
        if(panelError) panelError.SetActive(false);
        if(panelKuis) panelKuis.SetActive(true);
    }

    System.Collections.IEnumerator ProsesDownload()
    {
        if(panelKuis) panelKuis.SetActive(false);
        if(panelError) panelError.SetActive(false);
        if(panelLoading) panelLoading.SetActive(true);

        if (Application.internetReachability == NetworkReachability.NotReachable)
        {
            MunculkanError("Yah, tidak ada koneksi internet!");
            yield break; 
        }

        // PENTING: Pake urlFinal yang sudah dipilih tadi
        UnityWebRequest www = UnityWebRequest.Get(urlFinal); 
        
        yield return www.SendWebRequest();

        if(panelLoading) panelLoading.SetActive(false);

        if (www.result != UnityWebRequest.Result.Success)
        {
            MunculkanError("Gagal mengambil soal.\nCek koneksi kamu ya!");
        }
        else
        {
            ProsesCSV(www.downloadHandler.text);
            if(panelKuis) panelKuis.SetActive(true);
        }
    }

    void MunculkanError(string pesan)
    {
        if(panelLoading) panelLoading.SetActive(false);
        if(panelError) panelError.SetActive(true);
        if(textError) textError.text = pesan;
    }

    void ProsesCSV(string text)
    {
        databaseOnline = new QuizCollection();
        databaseOnline.daftarSoal = new List<QuestionData>();

        string[] baris = text.Split('\n');
        
        for (int i = 1; i < baris.Length; i++)
        {
            string barisData = baris[i].Trim();
            if (string.IsNullOrEmpty(barisData)) continue;

            string[] kolom = barisData.Split(','); 

            if (kolom.Length < 6) continue;

            QuestionData q = new QuestionData();
            q.pertanyaan = kolom[0].Replace("\"", "");
            q.pilihanJawaban = new string[4];
            q.pilihanJawaban[0] = kolom[1].Replace("\"", "");
            q.pilihanJawaban[1] = kolom[2].Replace("\"", "");
            q.pilihanJawaban[2] = kolom[3].Replace("\"", "");
            q.pilihanJawaban[3] = kolom[4].Replace("\"", "");
            
            int.TryParse(kolom[5], out q.kunciJawaban);

            databaseOnline.daftarSoal.Add(q);
        }

        if(quizManager != null && databaseOnline.daftarSoal.Count > 0)
        {
            quizManager.SetSoalOnline(databaseOnline);
        }
    }
}