using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class SettingsManager : MonoBehaviour
{
    [Header("ANIMASI MEKAR (Spacing)")]
    public VerticalLayoutGroup layoutGroup; 
    public AnimationCurve bounceCurve;
    public float spacingTerbuka = 15f;   
    public float spacingTertutup = -120f; // Isi negatif dari tinggi tombolmu (misal -120)
    
    private bool isSettingsOpen = false;

    [Header("ANIMASI GEAR (TOMBOL)")]
    public RectTransform gearButtonRect; 
    public AnimationCurve gearRotationCurve; 
    public float gearRotateAngle = -180f; 
    public float gearScalePunch = 0.2f; 

    [Header("UI GAMBAR TOMBOL")]
    public Image imageTombolMusic;      
    public Sprite gambarMusicOn, gambarMusicOff;       
    public Image imageTombolSFX;        
    public Sprite gambarSFXOn, gambarSFXOff;         

    [Header("PANEL INFO")]
    public GameObject panelInfo;

    void Start()
    {
        // Setup Tampilan Awal UI
        if(layoutGroup) layoutGroup.spacing = spacingTertutup;
        if(panelInfo) panelInfo.SetActive(false);
        
        RefreshTampilanMusic();
        RefreshTampilanSFX();
    }

    // ==========================================
    // LOGIKA BUKA TUTUP MENU
    // ==========================================
    public void ToggleSettings()
    {
        isSettingsOpen = !isSettingsOpen;
        StopAllCoroutines(); 
        
        // Jalankan Animasi Mekar
        StartCoroutine(AnimateAccordion(isSettingsOpen));
        
        // Jalankan Animasi Gear
        if (gearButtonRect) StartCoroutine(AnimateGearEffect());
        
        // Putar suara klik kalau ada (Pake Audio Manager)
        if (Audio.instance) Audio.instance.PlayButtonSound();
    }

    // ==========================================
    // LOGIKA MUSIK
    // ==========================================
    public void ToggleMusic()
    {
        bool isOn = PlayerPrefs.GetInt("MusicState", 1) == 1;
        PlayerPrefs.SetInt("MusicState", isOn ? 0 : 1);
        PlayerPrefs.Save();
        
        RefreshTampilanMusic();
        
        // Panggil Audio Manager buat update suara asli (Biar lagu mati/nyala)
        if (Audio.instance) Audio.instance.UpdateMuteState();
    }

    void RefreshTampilanMusic()
    {
        bool isOn = PlayerPrefs.GetInt("MusicState", 1) == 1;
        if (imageTombolMusic) imageTombolMusic.sprite = isOn ? gambarMusicOn : gambarMusicOff;
    }

    // ==========================================
    // LOGIKA SFX
    // ==========================================
    public void ToggleSFX()
    {
        bool isOn = PlayerPrefs.GetInt("SFXState", 1) == 1;
        PlayerPrefs.SetInt("SFXState", isOn ? 0 : 1);
        PlayerPrefs.Save();
        
        RefreshTampilanSFX();

        // Panggil Audio Manager buat update suara asli (Biar sfx mati/nyala)
        if (Audio.instance) Audio.instance.UpdateMuteState();
    }

    void RefreshTampilanSFX()
    {
        bool isOn = PlayerPrefs.GetInt("SFXState", 1) == 1;
        if (imageTombolSFX) imageTombolSFX.sprite = isOn ? gambarSFXOn : gambarSFXOff;
    }

    // ==========================================
    // ANIMASI (Gear & Accordion)
    // ==========================================
    IEnumerator AnimateGearEffect()
    {
        float timer = 0;
        float duration = 0.5f; 
        
        float startZ = gearButtonRect.localEulerAngles.z;
        // Pakai logika penjumlahan float biasa biar Unity gak males muter (karena 0 dan 360 dianggap sama di Quaternion)
        float targetZ = startZ + gearRotateAngle; 
        
        Vector3 defaultScale = Vector3.one; 

        while (timer < duration)
        {
            timer += Time.deltaTime;
            float t = timer / duration;
            
            // 1. ROTASI
            float curveValue = gearRotationCurve.Evaluate(t);
            // Pakai LerpUnclamped pada angka biasa (bukan Quaternion)
            float currentZ = Mathf.LerpUnclamped(startZ, targetZ, curveValue);
            gearButtonRect.localRotation = Quaternion.Euler(0, 0, currentZ);
            
            // 2. SCALE (POP)
            float scalePop = Mathf.Sin(t * Mathf.PI) * gearScalePunch;
            gearButtonRect.localScale = defaultScale + new Vector3(scalePop, scalePop, 0);
            
            yield return null;
        }
        gearButtonRect.localRotation = Quaternion.Euler(0, 0, targetZ);
        gearButtonRect.localScale = defaultScale;
    }

    IEnumerator AnimateAccordion(bool open)
    {
        float timer = 0;
        float duration = 0.4f; 
        float startSpacing = layoutGroup.spacing;
        float targetSpacing = open ? spacingTerbuka : spacingTertutup;

        while (timer < duration)
        {
            timer += Time.deltaTime;
            float t = timer / duration;
            
            float curveValue = bounceCurve.Evaluate(t); 
            float currentSpacing = Mathf.LerpUnclamped(startSpacing, targetSpacing, curveValue);
            
            layoutGroup.spacing = currentSpacing;
            LayoutRebuilder.ForceRebuildLayoutImmediate(layoutGroup.GetComponent<RectTransform>());
            
            yield return null;
        }
        layoutGroup.spacing = targetSpacing;
    }

    // ==========================================
    // FUNGSI PANEL INFO & DOWNLOAD
    // ==========================================
    public void BukaInfo() 
    { 
        if(panelInfo) panelInfo.SetActive(true);
        // Opsional: Kalau mau Settings nutup otomatis pas buka info, uncomment baris bawah:
        // if(isSettingsOpen) ToggleSettings(); 
    } 

    public void TutupInfo() 
    { 
        if(panelInfo) panelInfo.SetActive(false); 
    }

    public void BukaLinkMarker() 
    { 
        // GANTI LINK INI DENGAN LINK GOOGLE DRIVE KAMU YANG ASLI
        Application.OpenURL("https://drive.google.com/drive/folders/1Re0uyahA5GZs0nKJuijLtY039AXagxQ5?usp=sharing"); 
    }
}