using UnityEditor;
using UnityEngine;
using System.IO;
using Interactions;
using PuzzleS;

namespace Editor
{
    public class PrefabCreatorWindow : EditorWindow
    {
        private string _prefabName = "NewPrefab";
        private string _saveFolderPath = "Assets/Prefabs/Items";
        private string _pickupSoFolderPath = "Assets/Data/Items";
        private string _puzzleSoFolderPath = "Assets/Data/Puzzles";
        private bool _addObjective;

        private PickupItemData _pickupData;
        private PuzzleStepSO _objectiveData;
        private UnityEditor.Editor _soEditor;

        private enum ItemType { None, Pickup, ItemSlot }
        private ItemType _itemType = ItemType.None;

        private bool _createNext = false;

        [MenuItem("AppleHills/Item Prefab Creator")]
        public static void ShowWindow()
        {
            var window = GetWindow<PrefabCreatorWindow>("Prefab Creator");
            window.minSize = new Vector2(400, 400);
            // Set default paths if not already set
            if (string.IsNullOrEmpty(window._saveFolderPath))
                window._saveFolderPath = "Assets/Prefabs/Items";
            if (string.IsNullOrEmpty(window._pickupSoFolderPath))
                window._pickupSoFolderPath = "Assets/Data/Items";
            if (string.IsNullOrEmpty(window._puzzleSoFolderPath))
                window._puzzleSoFolderPath = "Assets/Data/Puzzles";
        }

        private void OnGUI()
        {
            EditorGUILayout.LabelField("Prefab Creator", EditorStyles.boldLabel);
            _prefabName = EditorGUILayout.TextField("Prefab Name", _prefabName);
            // Prefab save folder
            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PrefixLabel("Save Folder");
            EditorGUILayout.SelectableLabel(_saveFolderPath, EditorStyles.textField, GUILayout.Height(EditorGUIUtility.singleLineHeight));
            if (GUILayout.Button("Select...", GUILayout.Width(80)))
            {
                _saveFolderPath = PrefabEditorUtility.SelectFolder(_saveFolderPath, "Prefabs/Items");
            }
            EditorGUILayout.EndHorizontal();
            EditorGUILayout.Space();
            EditorGUILayout.LabelField("Add Components:", EditorStyles.boldLabel);

            // Item type selection
            var newType = (ItemType)EditorGUILayout.EnumPopup("Item Type", _itemType);
            if (newType != _itemType)
            {
                _itemType = newType;
            }
            bool addObjective = EditorGUILayout.Toggle("ObjectiveStepBehaviour", _addObjective);
            _addObjective = addObjective;
            EditorGUILayout.Space();

            // Pickup Data (for Pickup or ItemSlot)
            if (_itemType == ItemType.Pickup || _itemType == ItemType.ItemSlot)
            {
                EditorGUILayout.LabelField("Pickup Data:", EditorStyles.boldLabel);
                _pickupData = (PickupItemData)EditorGUILayout.ObjectField("PickupItemData", _pickupData, typeof(PickupItemData), false);
                // Pickup SO save folder
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.PrefixLabel("Save To");
                EditorGUILayout.SelectableLabel(_pickupSoFolderPath, EditorStyles.textField, GUILayout.Height(EditorGUIUtility.singleLineHeight));
                if (GUILayout.Button("Select...", GUILayout.Width(80)))
                {
                    _pickupSoFolderPath = PrefabEditorUtility.SelectFolder(_pickupSoFolderPath, "Data/Items");
                }
                EditorGUILayout.EndHorizontal();
                if (_pickupData == null && GUILayout.Button("Create New PickupItemData"))
                {
                    _pickupData = PrefabEditorUtility.CreateScriptableAsset<PickupItemData>(_prefabName + "_pickup", _pickupSoFolderPath);
                }
                if (_pickupData != null)
                {
                    PrefabEditorUtility.DrawScriptableObjectEditor(ref _soEditor, _pickupData);
                }
            }
            // Objective Data
            if (_addObjective)
            {
                EditorGUILayout.LabelField("Objective Data:", EditorStyles.boldLabel);
                _objectiveData = (PuzzleStepSO)EditorGUILayout.ObjectField("PuzzleStepSO", _objectiveData, typeof(PuzzleStepSO), false);
                // Puzzle SO save folder
                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.PrefixLabel("Save To");
                EditorGUILayout.SelectableLabel(_puzzleSoFolderPath, EditorStyles.textField, GUILayout.Height(EditorGUIUtility.singleLineHeight));
                if (GUILayout.Button("Select...", GUILayout.Width(80)))
                {
                    _puzzleSoFolderPath = PrefabEditorUtility.SelectFolder(_puzzleSoFolderPath, "Data/Puzzles");
                }
                EditorGUILayout.EndHorizontal();
                if (_objectiveData == null && GUILayout.Button("Create New PuzzleStepSO"))
                {
                    _objectiveData = PrefabEditorUtility.CreateScriptableAsset<PuzzleStepSO>(_prefabName + "_puzzle", _puzzleSoFolderPath);
                }
                if (_objectiveData != null)
                {
                    PrefabEditorUtility.DrawScriptableObjectEditor(ref _soEditor, _objectiveData);
                }
            }
            GUILayout.FlexibleSpace();
            EditorGUILayout.BeginHorizontal();
            GUI.enabled = !string.IsNullOrEmpty(_prefabName) && !string.IsNullOrEmpty(_saveFolderPath);
            if (GUILayout.Button("Create Prefab", GUILayout.Height(28)))
            {
                CreatePrefab();
            }
            _createNext = GUILayout.Toggle(_createNext, "Create Next", GUILayout.Width(100), GUILayout.Height(28));
            GUI.enabled = true;
            EditorGUILayout.EndHorizontal();
        }

        private void CreatePrefab()
        {
            var go = new GameObject(_prefabName);
            go.AddComponent<Interactable>();
            go.AddComponent<BoxCollider>();
            int interactableLayer = LayerMask.NameToLayer("Interactable");
            if (interactableLayer != -1)
                go.layer = interactableLayer;
            go.AddComponent<SpriteRenderer>();
            if (_itemType == ItemType.Pickup)
            {
                var pickup = go.AddComponent<Pickup>();
                pickup.itemData = _pickupData;
            }
            else if (_itemType == ItemType.ItemSlot)
            {
                var slot = go.AddComponent<ItemSlot>();
                slot.itemData = _pickupData;
            }
            if (_addObjective)
            {
                var obj = go.AddComponent<ObjectiveStepBehaviour>();
                obj.stepData = _objectiveData;
            }
            string prefabPath = Path.Combine(_saveFolderPath, _prefabName + ".prefab").Replace("\\", "/");
            var prefab = PrefabUtility.SaveAsPrefabAsset(go, prefabPath);
            DestroyImmediate(go);
            AssetDatabase.Refresh();
            Selection.activeObject = prefab;
            EditorGUIUtility.PingObject(prefab);
            EditorUtility.DisplayDialog("Prefab Created", $"Prefab saved to {prefabPath}", "OK");
            if (_createNext)
            {
                _prefabName = "NewPrefab";
                _pickupData = null;
                _objectiveData = null;
                _itemType = ItemType.None;
                _addObjective = false;
                _soEditor = null;
                GUI.FocusControl(null);
                Repaint();
            }
        }
    }
}