using UnityEngine;
using System.Collections.Generic; // WAJIB TAMBAH INI

public class ARInteractionManager : MonoBehaviour
{
    [Header("Scripts References")]
    public Manager gameManager;             
    // Sekarang menggunakan List agar bisa menampung banyak ImageTarget Buku
    public List<BookPageManager> bookManagers;     

    [Header("Settings")]
    public float zoomSpeed = 2.0f;     
    public float rotateSpeed = 150f;   
    public float minScale = 0.1f;    
    public float maxScale = 15.0f;   

    private bool isZoomingIn = false;
    private bool isZoomingOut = false;
    private bool isRotating = false;

    void Update()
    {
        if (isZoomingIn) PerformZoom(true);
        if (isZoomingOut) PerformZoom(false);
        if (isRotating) PerformRotate();
    }

    public bool IsUserInteracting() => isRotating || isZoomingIn || isZoomingOut;

    private GameObject GetTargetModel()
    {
        // 1. Cek SEMUA Buku: Melakukan perulangan pada List bookManagers
        if (bookManagers != null)
        {
            foreach (var bManager in bookManagers)
            {
                // Cek apakah bManager ada dan apakah ImageTarget tersebut sedang terlihat di kamera
                if (bManager != null && bManager.IsTracked()) 
                {
                    // Ambil molekul yang sedang difokuskan pada halaman tersebut
                    GameObject focused = bManager.GetFocusedMolecule();
                    if (focused != null) return focused;
                }
            }
        }

        // 2. Jika tidak ada buku yang terdeteksi, pindah ke sistem Kartu (Manager)
        if (gameManager != null) 
        {
            return gameManager.GetActiveModel();
        }

        return null;
    }

    void PerformZoom(bool bigger)
    {
        GameObject obj = GetTargetModel();
        if (obj == null) return;

        float zoomFactor = 1.0f + (zoomSpeed * Time.deltaTime);
        if (!bigger) zoomFactor = 1.0f / zoomFactor;

        Vector3 nextScale = obj.transform.localScale * zoomFactor;

        if (nextScale.x >= minScale && nextScale.x <= maxScale)
        {
            obj.transform.localScale = nextScale;
        }
    }

    void PerformRotate()
    {
        GameObject obj = GetTargetModel();
        if (obj == null) return;
        obj.transform.Rotate(0, -rotateSpeed * Time.deltaTime, 0, Space.Self); 
    }

    public void ToggleAnimasi()
    {
        GameObject obj = GetTargetModel();
        if (obj == null) return;

        RotateOrbit[] orbits = obj.GetComponentsInChildren<RotateOrbit>();
        foreach (var orbit in orbits) 
        {
            orbit.ToggleAnimation();
        }
    }

    public void OnPressZoomIn() => isZoomingIn = true;
    public void OnReleaseZoomIn() => isZoomingIn = false;
    public void OnPressZoomOut() => isZoomingOut = true;
    public void OnReleaseZoomOut() => isZoomingOut = false;
    public void OnPressRotate() => isRotating = true;
    public void OnReleaseRotate() => isRotating = false;
}