using System.Collections.Generic;
using System.Linq;
using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif
using BrewMonster;


// #if UNITY_EDITOR
using Animancer;
using BrewMonster.Scripts;
using System.Threading.Tasks; // B�?o đ�?m b�?n có Animancer package
// #endif

public class NPCBuilder : MonoSingleton<NPCBuilder>
{
    [Header("📦 Danh sách prefab NPC đư�?c quét t�? động")]
    [SerializeField] private List<GameObject> modelNPCList = new List<GameObject>();

#if UNITY_EDITOR
    [Header("📁 Kéo thư m�?c chứa Prefab NPC vào đây")]
    [SerializeField] private DefaultAsset npcFolder;
#endif

    private Dictionary<string, GameObject> modelNPCDic;


    public async Task<GameObject> GetModelByPath(string path)
    {
        //return await AddressableManager.Instance.LoadPrefabAsync(AFile.NormalizePath(path));
        return await PoolManager.Instance.SpawnAsync(AFile.NormalizePath(path), Vector3.zero, Quaternion.identity, memoryReleaseTTL: 0f, autoDespawnTime: 0f);
    }

#if UNITY_EDITOR
    // --------------------------
    // 📌 ContextMenu 1: Quét Prefab
    // --------------------------
    [ContextMenu("🔄 Quét Prefab trong thư m�?c")]
    private void ScanPrefabsInFolder()
    {
        modelNPCList.Clear();

        if (npcFolder == null)
        {
            Debug.LogWarning("[NPCBuilder] Vui lòng kéo thư m�?c Prefab NPC vào trường npcFolder.");
            return;
        }

        string folderPath = AssetDatabase.GetAssetPath(npcFolder);
        if (!AssetDatabase.IsValidFolder(folderPath))
        {
            Debug.LogWarning("[NPCBuilder] Thư m�?c không h�?p l�?.");
            return;
        }

        string[] prefabGUIDs = AssetDatabase.FindAssets("t:Prefab", new[] { folderPath });
        foreach (string guid in prefabGUIDs)
        {
            string assetPath = AssetDatabase.GUIDToAssetPath(guid);
            GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(assetPath);
            if (prefab != null)
            {
                modelNPCList.Add(prefab);
            }
        }

        modelNPCList = modelNPCList
            .GroupBy(obj => obj.name)
            .Select(g => g.First())
            .ToList();

        EditorUtility.SetDirty(this);
        AssetDatabase.SaveAssets();
        Debug.Log($"[NPCBuilder] �? Đã quét {modelNPCList.Count} prefab t�? {folderPath}");
    }

    // --------------------------
    // 📌 ContextMenu 2: Thêm NamedAnimancerComponent & Animation Clip
    // --------------------------
    [ContextMenu("🎬 Đ�?m b�?o Prefab có NamedAnimancerComponent và Add Animations")]
    private void EnsureNamedAnimancerAndAddAnimations()
    {
        int processed = 0;
        int addedComponent = 0;
        int totalClips = 0;

        foreach (var prefab in modelNPCList)
        {
            if (prefab == null) continue;

            string path = AssetDatabase.GetAssetPath(prefab);
            if (string.IsNullOrEmpty(path)) continue;

            GameObject prefabRoot = PrefabUtility.LoadPrefabContents(path);

            var animancer = prefabRoot.GetComponent<NamedAnimancerComponent>();
            if (animancer == null)
            {
                animancer = prefabRoot.AddComponent<NamedAnimancerComponent>();
                addedComponent++;
            }

            // 🔹 Clear list hiện t�?i (tránh duplicate)
            if (animancer.Animations != null)
                animancer.Animations = null;

            var animator = prefabRoot.GetComponentInChildren<Animator>(true);
            if (animator != null && animator.runtimeAnimatorController != null)
            {
                var controller = animator.runtimeAnimatorController;
                var animList = animancer.Animations?.ToList() ?? new List<AnimationClip>();
                foreach (var clip in controller.animationClips)
                {
                    if (clip == null) continue;
                    animList.Add(clip);
                    totalClips++;
                }
                animancer.Animations = animList.ToArray();
            }
            else
            {
                Debug.LogWarning($"[NPCBuilder] ⚠️ Prefab {prefab.name} không có Animator hoặc Controller!");
            }

            // Ghi đè l�?i prefab
            PrefabUtility.SaveAsPrefabAsset(prefabRoot, path);
            PrefabUtility.UnloadPrefabContents(prefabRoot);
            processed++;
        }

        AssetDatabase.SaveAssets();
        Debug.Log($"[NPCBuilder] �? Đã x�? lý {processed} prefab. Thêm mới {addedComponent} component, tổng {totalClips} clip animation đư�?c ghi l�?i.");
    }
#endif
}