using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using MySql.Data.MySqlClient;
using ArabicSupport;
using System.Text.RegularExpressions;
using UnityEngine.Networking;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public class pengolahsoal : MonoBehaviour
{
    public TextAsset soalpretest;
    public GameObject iconBenar;
    public GameObject iconSalah;



    private string[] soal;

    private string[,] soalBag;

    string FixArabicInMixedText(string input)
    {
        if (string.IsNullOrEmpty(input)) return "";

        // Hapus karakter tak terlihat yang bisa bikin rusak (optional)
        input = Regex.Replace(input, @"[\u200E\u200F\u202A-\u202E]", "");

        // Deteksi blok teks Arab (termasuk harakat dan ligatur)
        return Regex.Replace(
            input,
            @"[\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF\uFB50-\uFDFF\uFE70-\uFEFF\u064B-\u0655\u06D6-\u06ED]+",
            match => ArabicFixer.Fix(match.Value)
        );
    }

    int indexSoal;
    int maxSoal;
    bool ambilSoal;
    char kunciJ;

    //acak soal
    //bool[] soalSelesai;
    private int[] soalAcak; //acaksoal


    //komponen UI
    public TextMeshProUGUI txtSoal, txtOpsiA, txtOpsiB, txtOpsiC, txtOpsiD;

    bool isHasil;
    private float durasi;
    public float durasiPenilaian;

    int jwbBenar, jwbSalah;
    //float nilai;
    int nilai; // ubah ke int

    public GameObject panel;
    public GameObject imgPenilaian, imgHasil;
    public TextMeshProUGUI txtHasil;

    //pause

    [Header("Obj GUI")]
    public GameObject Gui_Pause;
    public GameObject Gui_Transisi;

    // Variabel untuk UiControl
    public bool IsTransisi, IsTidakPerlu;
    string SaveNamaScene;

    //pause
    public bool GameAktif;

    private bool skorTersimpan = false;

    public TextMeshProUGUI txtPesanAwal;
    private void Awake()
    {
        if (IsTransisi && IsTidakPerlu)
        {
            gameObject.SetActive(false);
        }
    }



    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        durasi = durasiPenilaian;

        soal = soalpretest.ToString().Split('#');

        //soalSelesai = new bool[soal.Length]; //acaksoal

        soalBag = new string[soal.Length, 6];
        maxSoal = soal.Length;
        OlahSoal();

        AcakSoal(); //acak soal

        ambilSoal = true;
        TampilkanSoal();


        if (GlobalUser.Instance != null)
        {
            Debug.Log("User ID ditemukan: " + GlobalUser.Instance.userId);
        }
        else
        {
            Debug.LogWarning("GlobalUser.Instance NULL, pastikan diinisialisasi!");
        }


        print(soalBag[1, 3]); //acaksoal

        // 👇 Panggil pesan muncul 1 detik
        StartCoroutine(TampilkanPesanSementara("Kerjakan pretest untuk melihat kemampuanmu", 3f));
    }

    private void OlahSoal()
    {
        for (int i = 0; i < soal.Length; i++)
        {
            string[] tempSoal = soal[i].Split('+');
            //for (int j = 0; j < tempSoal.Length; j++)
            //{
            //    soalBag[i, j] = tempSoal[j];
            //    // continue;
            //}
            //continue;
            for (int j = 0; j < 6; j++)
            {
                if (j < tempSoal.Length)
                    soalBag[i, j] = tempSoal[j];
                else
                    soalBag[i, j] = ""; // kalau datanya kurang, isi kosong biar gak error
            }
        }
    }

    //fungsi untuk mengacak soal satu kali diawal
    private void AcakSoal()
    {
        soalAcak = new int[maxSoal];
        for (int i = 0; i < maxSoal; i++)
        {
            soalAcak[i] = i;
        }

        for (int i = 0; i < maxSoal; i++)
        {
            int rnd = Random.Range(i, maxSoal);
            int temp = soalAcak[i];
            soalAcak[i] = soalAcak[rnd];
            soalAcak[rnd] = temp;
        }
    }



    private struct OpsiJawaban
    {
        public string teks;
        public char huruf; // A, B, C, D
        public bool isBenar;
    }


    private void TampilkanSoal()
    {
        if (indexSoal < maxSoal && ambilSoal)
        {
            int currentIndex = soalAcak[indexSoal];



            txtSoal.text = FixArabicInMixedText(soalBag[currentIndex, 0]);

            // Ambil opsi dan kunci jawaban
            string opsiA = soalBag[currentIndex, 1];
            string opsiB = soalBag[currentIndex, 2];
            string opsiC = soalBag[currentIndex, 3];
            string opsiD = soalBag[currentIndex, 4];
            char jawabanBenar = soalBag[currentIndex, 5][0];

            // Buat list opsi
            List<OpsiJawaban> opsiList = new List<OpsiJawaban>
        {
            new OpsiJawaban { teks = opsiA, huruf = 'A', isBenar = (jawabanBenar == 'A') },
            new OpsiJawaban { teks = opsiB, huruf = 'B', isBenar = (jawabanBenar == 'B') },
            new OpsiJawaban { teks = opsiC, huruf = 'C', isBenar = (jawabanBenar == 'C') },
            new OpsiJawaban { teks = opsiD, huruf = 'D', isBenar = (jawabanBenar == 'D') }
        };

            // Acak list
            opsiList = opsiList.OrderBy(x => Random.value).ToList();

            // Tampilkan ke UI
            txtOpsiA.text = FixArabicInMixedText(opsiList[0].teks);
            txtOpsiB.text = FixArabicInMixedText(opsiList[1].teks);
            txtOpsiC.text = FixArabicInMixedText(opsiList[2].teks);
            txtOpsiD.text = FixArabicInMixedText(opsiList[3].teks);

            // Tentukan kunci jawaban berdasarkan posisi baru
            if (opsiList[0].isBenar) kunciJ = 'A';
            else if (opsiList[1].isBenar) kunciJ = 'B';
            else if (opsiList[2].isBenar) kunciJ = 'C';
            else if (opsiList[3].isBenar) kunciJ = 'D';

            ambilSoal = false;
        }
    }


    public void Opsi(string opsiHuruf)
    {
        CheckJawaban(opsiHuruf[0]);
        if (indexSoal == maxSoal - 1)
        {
            isHasil = true;
        }
        else
        {
            indexSoal++;
            ambilSoal = true;
        }

        panel.SetActive(true);




    }


    private int HitungNilai()
    {
        return nilai = Mathf.RoundToInt((float)jwbBenar / maxSoal * 100); // ubah ke int
    }



    public TextMeshProUGUI txtPenilaian;
    private void CheckJawaban(char huruf)
    {
        string penilaian;

        // Sembunyikan dulu ikon
        iconBenar.SetActive(false);
        iconSalah.SetActive(false);


        if (huruf.Equals(kunciJ))
        {
            penilaian = "Benar!";
            jwbBenar++;
            KumpulanSuara.instance.Panggil_Sfx(7);

            iconBenar.SetActive(true); // tampilkan gambar benar
        }
        else
        {
            penilaian = "Salah!";
            jwbSalah++;

            KumpulanSuara.instance.Panggil_Sfx(8);

            iconSalah.SetActive(true); // tampilkan gambar salah
        }

        txtPenilaian.text = penilaian;
    }

    // Update is called once per frame
    void Update()
    {
        if (panel.activeSelf)
        {
            durasiPenilaian -= Time.deltaTime;



            if (isHasil)
            {
                imgPenilaian.SetActive(true);
                imgHasil.SetActive(true);

                if (durasiPenilaian <= 0)
                {
                    txtHasil.text = "Jumlah benar: " + jwbBenar + "\nJumlah Salah: " + jwbSalah + "\n\nNilai: " + HitungNilai();



                    imgPenilaian.SetActive(false);
                    imgHasil.SetActive(true);

                    if (!skorTersimpan)
                    {
                        //Debug.Log("Menyimpan skor ke database...");
                        SimpanSkorKeDatabase();
                        skorTersimpan = true;
                    }

                    durasiPenilaian = 0;
                }
            }
            else
            {
                imgPenilaian.SetActive(true);
                imgHasil.SetActive(false);

                if (durasiPenilaian <= 0)
                {
                    panel.SetActive(false);
                    durasiPenilaian = durasi;

                    TampilkanSoal();
                }

            }
        }
    }


    //btn pause
    public void Btn_Pause(bool pause)
    {
        GameAktif = !pause;
        Gui_Pause.SetActive(pause);
    }

    // Fungsi dari UiControl
    public void btn_suara(int id)
    {
        KumpulanSuara.instance.Panggil_Sfx(0);
    }

    public void Btn_Pindah(string nama)
    {
        SceneManager.LoadScene(nama);
    }

    public void Btn_KeluarSetelahSimpan()
    {
        if (!skorTersimpan)
        {
            SimpanSkorKeDatabase();
            skorTersimpan = true;
        }

        SceneManager.LoadScene("MainMenu");
    }



    public void pindah()
    {
        SceneManager.LoadScene(SaveNamaScene);
    }

    public void Btn_Restart()
    {
        // Reset semua variabel ke kondisi awal
        indexSoal = 0;
        jwbBenar = 0;
        jwbSalah = 0;
        nilai = 0;
        durasiPenilaian = durasi;
        isHasil = false;
        ambilSoal = true;

        // Tampilkan soal pertama kembali
        TampilkanSoal();

        // Sembunyikan semua UI yang berkaitan dengan restart atau hasil
        panel.SetActive(false);
        imgPenilaian.SetActive(false);
        imgHasil.SetActive(false);

        // Reload scene untuk memastikan semua komponen di-reset dengan benar
        SceneManager.LoadScene(SceneManager.GetActiveScene().name);
    }
    private void SimpanSkorKeDatabase()
    {
        StartCoroutine(SimpanSkorCoroutine());
    }

    private IEnumerator SimpanSkorCoroutine()
    {
        int idUser = GlobalUser.Instance != null ? GlobalUser.Instance.userId : -1;
        int nilai = HitungNilai();

        if (idUser == -1)
        {
            Debug.LogWarning("ID user tidak ditemukan, data tidak dikirim.");
            yield break;
        }

        WWWForm form = new WWWForm();
        form.AddField("id", idUser);
        form.AddField("pretest", nilai);
        form.AddField("api", "s_pretest");

        using (UnityWebRequest www = UnityWebRequest.Post("https://wifiapi.wazzgroup.com/api.php", form))
        {
            yield return www.SendWebRequest();

            if (www.result != UnityWebRequest.Result.Success)
            {
                Debug.LogError("Gagal kirim skor: " + www.error);
            }
            else
            {
                Debug.Log("Skor berhasil disimpan ke server: " + www.downloadHandler.text);
            }
        }
    }


    // 👇 Coroutine untuk pesan sementara
    private IEnumerator TampilkanPesanSementara(string pesan, float durasi)
    {
        txtPesanAwal.text = pesan;
        txtPesanAwal.gameObject.SetActive(true);
        yield return new WaitForSeconds(durasi);
        txtPesanAwal.gameObject.SetActive(false);
    }

    //// Fungsi simpan skor ke MySQL
    //private void Koneksi()
    //{
    //    connectionString = "Server=127.0.0.1; Database=game; User=root; Password=; Charset=utf8;";
    //    MS_Connection = new MySqlConnection(connectionString);
    //    MS_Connection.Open();
    //}

    //private void SimpanSkorKeDatabase()
    //{
    //    try
    //    {
    //        Koneksi();

    //        int idUser = GlobalUser.Instance != null ? GlobalUser.Instance.userId : -1;
    //        float nilai = HitungNilai();

    //        if (idUser == -1)
    //        {
    //            Debug.LogWarning("ID user tidak ditemukan, data tidak disimpan.");
    //            return;
    //        }

    //        string query = "UPDATE score SET pretest = @nilai WHERE id = @id";
    //        MS_Command = new MySqlCommand(query, MS_Connection);
    //        MS_Command.Parameters.AddWithValue("@id", idUser);
    //        MS_Command.Parameters.AddWithValue("@nilai", nilai);

    //        int rows = MS_Command.ExecuteNonQuery();
    //        Debug.Log("Rows affected: " + rows);

    //        if (rows == 0)
    //        {
    //            Debug.LogWarning("Tidak ada baris yang diperbarui. Mungkin ID user tidak ditemukan di tabel score.");
    //        }

    //        MS_Connection.Close();
    //    }
    //    catch (MySqlException ex)
    //    {
    //        Debug.LogError("Gagal menyimpan skor: " + ex.Message);
    //    }
    //}



    public void Btn_LanjutGame()
    {
        PlayerPrefs.SetInt("pretest_selesai", 1);
        PlayerPrefs.Save();
        SceneManager.LoadScene("MainMenu");
    }

}