using UnityEngine;
using UnityEngine.UI; 
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine.SceneManagement;

public class GameManagerSusun : MonoBehaviour
{
    public static GameManagerSusun instance;

    [Header("Sistem Data Soal")]
    public VegetableSusun[] listSoal; 
    private int indexSoal = 0;

    [Header("Sistem Skor & Progress")]
    public Slider sliderSkor;         
    public TextMeshProUGUI textSkor; 
    public Material materialKartuAtas;    
    public Image bintang1, bintang2, bintang3; 
    public Sprite bintangNyala;       
    private float skorSekarangVisual = 0; 
    private int skorTarget = 0;      

    [Header("Sistem Timer")]
    public TextMeshProUGUI textTimer; 
    public float durasiMenit = 2f;    
    private float waktuTersisa;
    private bool gameAktif = false;

    [Header("Area & Prefabs")]
    public Transform letterGrid;      
    public Transform letterBank;      
    public Image displaySayur;        
    public GameObject slotPrefab;       
    public GameObject kartuStatisPrefab; 
    public GameObject kartuDragPrefab; 

    [Header("Sistem Suara")]
    public AudioClip suaraBintang;  

    [Header("UI PopUp & Board Hasil Akhir")]
    public GameObject popupWahKeren;  
    public GameObject popupSalah;     
    public GameObject panelBoardHasil; 
    public GameObject latarHitam;      
    public TextMeshProUGUI textNilaiAkhir; 
    public Image hasilBintang1, hasilBintang2, hasilBintang3;

    [Header("Sistem Audio")]
    public AudioSource audioSource;
    public AudioClip sfxDropBenar;

    void Awake() { if (instance == null) instance = this; }

    void Start()
    {
        skorTarget = 0;
        skorSekarangVisual = 0;
        indexSoal = 0;
        waktuTersisa = durasiMenit * 60f;
        gameAktif = true;

        if(sliderSkor != null) {
            sliderSkor.maxValue = 100;
            sliderSkor.value = 0;
        }

        ResetPopups();
        UpdateVisualSkor();
        MuatSoal();
    }

    void ResetPopups()
    {
        if(popupWahKeren != null) popupWahKeren.SetActive(false);
        if(popupSalah != null) popupSalah.SetActive(false);
        if(panelBoardHasil != null) panelBoardHasil.SetActive(false);
        if(latarHitam != null) latarHitam.SetActive(false);
    }

    void Update()
    {
        if (gameAktif && waktuTersisa > 0)
        {
            waktuTersisa -= Time.deltaTime;
            UpdateDisplayTimer();
        }
        else if (gameAktif && waktuTersisa <= 0)
        {
            MunculkanBoardAkhir();
        }

        if (sliderSkor != null && skorSekarangVisual < skorTarget)
        {
            skorSekarangVisual = Mathf.MoveTowards(skorSekarangVisual, skorTarget, 50f * Time.deltaTime);
            sliderSkor.value = skorSekarangVisual;
            CheckBintangLevel(skorSekarangVisual, bintang1, bintang2, bintang3);
        }
    }

    public void MuatSoal()
    {
        ResetPopups();
        
        foreach (Transform child in letterGrid) Destroy(child.gameObject);
        foreach (Transform child in letterBank) Destroy(child.gameObject);

        if (indexSoal >= listSoal.Length) {
            MunculkanBoardAkhir();
            return;
        }

        VegetableSusun data = listSoal[indexSoal];
        displaySayur.sprite = data.gambarSayur;
        
        char[] hurufArray = data.namaSayur.ToUpper().ToCharArray();
        List<char> listHurufBank = new List<char>();

        for (int i = 0; i < hurufArray.Length; i++)
        {
            if (data.visibilityHuruf[i] == true) {
                GameObject kartu = Instantiate(kartuStatisPrefab, letterGrid);
                kartu.GetComponentInChildren<TextMeshProUGUI>().text = hurufArray[i].ToString();
            } else {
                GameObject slot = Instantiate(slotPrefab, letterGrid);
                slot.GetComponent<SlotHuruf>().jawabanBenar = hurufArray[i];
                listHurufBank.Add(hurufArray[i]);
            }
        }

        if (!string.IsNullOrEmpty(data.hurufPengecoh))
        {
            foreach (char p in data.hurufPengecoh.ToUpper().ToCharArray()) {
                listHurufBank.Add(p);
            }
        }

        for (int i = 0; i < listHurufBank.Count; i++) {
            char temp = listHurufBank[i];
            int randomIndex = Random.Range(i, listHurufBank.Count);
            listHurufBank[i] = listHurufBank[randomIndex];
            listHurufBank[randomIndex] = temp;
        }

        foreach (char h in listHurufBank) {
            GameObject kartuDrag = Instantiate(kartuDragPrefab, letterBank);
            kartuDrag.GetComponent<KartuHuruf>().isiHuruf = h;
            kartuDrag.GetComponentInChildren<TextMeshProUGUI>().text = h.ToString();
        }
    }

    public void CekJawaban()
    {
        if (audioSource != null && sfxDropBenar != null) audioSource.PlayOneShot(sfxDropBenar);

        bool semuaSlotSudahTerisi = true;
        SlotHuruf[] semuaSlot = letterGrid.GetComponentsInChildren<SlotHuruf>();

        foreach (SlotHuruf slot in semuaSlot)
        {
            if (!slot.sudahTerisi) 
            {
                semuaSlotSudahTerisi = false;
                break;
            }
        }

        if (semuaSlotSudahTerisi)
        {
            // Ambil referensi soal SEKARANG sebelum index berubah
            VegetableSusun soalSekarang = listSoal[indexSoal];
            StartCoroutine(UrutanMenangSoal(soalSekarang));
        }
    }

    // Tambahkan parameter VegetableSusun agar VO tidak salah panggil
    IEnumerator UrutanMenangSoal(VegetableSusun data)
    {
        // 1. Efek Kartu Hijau (Blink)
        StartCoroutine(EfekKartuHijau()); 
        yield return new WaitForSeconds(0.8f); 

        // 2. Putar VO Nama Sayur
        if (audioSource != null && data.voSayur != null)
        {
            audioSource.PlayOneShot(data.voSayur); 
            // Tunggu sampai VO benar-benar selesai
            yield return new WaitForSeconds(data.voSayur.length); 
        }

        // 3. Jeda tambahan 1 detik
        yield return new WaitForSeconds(0.5f);

        // 4. Munculkan Pop Up Benar
        skorTarget += 10;
        UpdateVisualSkor();
        if(popupWahKeren != null) popupWahKeren.SetActive(true);

        // 5. Jeda Pop Up muncul sebelum ganti soal
        yield return new WaitForSeconds(1f);
        indexSoal++;
        MuatSoal();
    }

    // Fungsi-fungsi lainnya tetap sama...
    // (MunculkanWrong, EfekKartuHijau, dll)
    
    public void MunculkanWrong()
    {
        if(popupSalah != null)
        {
            popupSalah.SetActive(true);
            StopCoroutine("SembunyikanWrongTimer");
            StartCoroutine(SembunyikanWrongTimer());
        }
    }

    IEnumerator SembunyikanWrongTimer()
    {
        yield return new WaitForSeconds(1f);
        if(popupSalah != null) popupSalah.SetActive(false);
    }

    public void MunculkanBoardAkhir()
    {
        // 1. Cek pengaman agar tidak simpan berkali-kali
        if (!gameAktif) return;
        gameAktif = false;

        // --- PROSES SIMPAN DATA KE DATABASE JSON ---
        float durasiMain = 0;
        TimeTracker tt = FindObjectOfType<TimeTracker>(); 
        if (tt != null) durasiMain = tt.GetDurasiBermain(); 

        if (SaveSystem.instance != null)
        {
            // Index 3 adalah khusus untuk Game Susun Huruf
            SaveSystem.instance.SimpanHasilGame(3, skorTarget, durasiMain);
        }
        // --------------------------------------------

        waktuTersisa = 0;
        textTimer.text = "00:00";

        if(panelBoardHasil != null) 
        {
            if(latarHitam != null) latarHitam.SetActive(true);
            panelBoardHasil.SetActive(true);
            StartCoroutine(AnimasiHasilAkhir());
        }
    }

    IEnumerator AnimasiHasilAkhir()
{
    float durasiAcak = 0.1f; 
    float timerAcak = 0;

    // Ambil komponen AudioSource untuk memutar suara
    AudioSource audio = GetComponent<AudioSource>();

    // Efek angka acak sebelum skor asli muncul
    while (timerAcak < durasiAcak)
    {
        timerAcak += Time.deltaTime;
        int angkaTampil = Random.Range(0, skorTarget + 1);
        if(textNilaiAkhir != null) textNilaiAkhir.text = angkaTampil.ToString();
        yield return new WaitForSeconds(0.05f); 
    }
    
    if(textNilaiAkhir != null) textNilaiAkhir.text = skorTarget.ToString();
    yield return new WaitForSeconds(0.3f);

    // --- PROSES MUNCUL BINTANG DENGAN SUARA ---

    // Bintang 1 (Skor minimal 40)
    if (skorTarget >= 40 && hasilBintang1 != null) {
        hasilBintang1.sprite = bintangNyala;
        
        // Mainkan Suara
        if(audio != null && suaraBintang != null) audio.PlayOneShot(suaraBintang);
        
        if(hasilBintang1.GetComponent<EfekPopKenyal>()) 
            hasilBintang1.GetComponent<EfekPopKenyal>().enabled = true;
        
        yield return new WaitForSeconds(0.5f); // Jeda sebelum bintang berikutnya
    }

    // Bintang 2 (Skor minimal 80)
    if (skorTarget >= 80 && hasilBintang2 != null) {
        hasilBintang2.sprite = bintangNyala;
        
        // Mainkan Suara (Pitch dinaikkan dikit biar suaranya lebih tinggi/ceriam)
        if(audio != null && suaraBintang != null) {
            audio.pitch = 1.1f; 
            audio.PlayOneShot(suaraBintang);
        }
        
        if(hasilBintang2.GetComponent<EfekPopKenyal>()) 
            hasilBintang2.GetComponent<EfekPopKenyal>().enabled = true;
        
        yield return new WaitForSeconds(0.5f);
    }

    // Bintang 3 (Skor sempurna 100)
    if (skorTarget >= 100 && hasilBintang3 != null) {
        hasilBintang3.sprite = bintangNyala;
        
        // Mainkan Suara (Pitch dinaikkan lagi)
        if(audio != null && suaraBintang != null) {
            audio.pitch = 1.2f;
            audio.PlayOneShot(suaraBintang);
        }

        if(hasilBintang3.GetComponent<EfekPopKenyal>()) 
            hasilBintang3.GetComponent<EfekPopKenyal>().enabled = true;
        
        // Kembalikan pitch ke normal setelah selesai
        if(audio != null) audio.pitch = 1f;
    }
}

    void UpdateDisplayTimer() {
        float menit = Mathf.FloorToInt(waktuTersisa / 60);
        float detik = Mathf.FloorToInt(waktuTersisa % 60);
        textTimer.text = string.Format("{0:00}:{1:00}", menit, detik);
    }

    void UpdateVisualSkor() {
        if(textSkor != null) textSkor.text = skorTarget.ToString();
    }

    void CheckBintangLevel(float skor, Image b1, Image b2, Image b3) {
        if (skor >= 40 && b1 != null) b1.sprite = bintangNyala;
        if (skor >= 80 && b2 != null) b2.sprite = bintangNyala;
        if (skor >= 100 && b3 != null) b3.sprite = bintangNyala;
    }

    IEnumerator EfekKartuHijau()
    {
        Image[] semuaGambar = letterGrid.GetComponentsInChildren<Image>();
        foreach (Image img in semuaGambar) img.color = Color.green;
        yield return new WaitForSeconds(0.5f);
        foreach (Image img in semuaGambar) img.color = Color.white;
    }

    public void TombolReplay() { SceneManager.LoadScene(SceneManager.GetActiveScene().name); }
    public void TombolKembaliMenu() { SceneManager.LoadScene("MenuBermain"); }
}