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

[CustomEditor(typeof(EnemyPortal))]
public class EnemyPortalEditor : Editor
{
    private const string MONSTER_DATA_FOLDER = "Assets/Data/ScriptableObjects/Monster";

    public override void OnInspectorGUI()
    {
        DrawDefaultInspector();

        EnemyPortal portal = (EnemyPortal)target;

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Monster Data Loader", EditorStyles.boldLabel);

        if (GUILayout.Button("Load Monster Data"))
        {
            LoadMonsterData(portal);
        }

        EditorGUILayout.HelpBox("Click 'Load Monster Data' to automatically load all monsters from " + MONSTER_DATA_FOLDER, MessageType.Info);
    }

    private void LoadMonsterData(EnemyPortal portal)
    {
        string[] guids = AssetDatabase.FindAssets("t:MonsterData", new[] { MONSTER_DATA_FOLDER });
        
        List<EnemyPortal.MonsterEntry> entries = new List<EnemyPortal.MonsterEntry>();
        int loadedCount = 0;

        foreach (string guid in guids)
        {
            string assetPath = AssetDatabase.GUIDToAssetPath(guid);
            Northbound.Data.MonsterData monsterData = AssetDatabase.LoadAssetAtPath<Northbound.Data.MonsterData>(assetPath);
            
            if (monsterData != null)
            {
                GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(monsterData.prefabPath);
                
                if (prefab != null)
                {
                    entries.Add(new EnemyPortal.MonsterEntry
                    {
                        monsterData = monsterData,
                        prefab = prefab
                    });
                    loadedCount++;
                }
                else
                {
                    Debug.LogWarning($"[EnemyPortal] Could not load prefab at path: {monsterData.prefabPath} for monster {monsterData.id}");
                }
            }
        }

        serializedObject.Update();
        SerializedProperty entriesProperty = serializedObject.FindProperty("monsterEntries");
        entriesProperty.ClearArray();
        entriesProperty.arraySize = entries.Count;

        for (int i = 0; i < entries.Count; i++)
        {
            SerializedProperty element = entriesProperty.GetArrayElementAtIndex(i);
            element.FindPropertyRelative("monsterData").objectReferenceValue = entries[i].monsterData;
            element.FindPropertyRelative("prefab").objectReferenceValue = entries[i].prefab;
        }

        serializedObject.ApplyModifiedProperties();
        AssetDatabase.SaveAssets();

        Debug.Log($"[EnemyPortal] Loaded {loadedCount} monsters from {MONSTER_DATA_FOLDER}");
    }
}