using UnityEditor;
using UnityEngine;
using Items;

namespace Editor
{
    /// <summary>
    /// Custom editor for ControllerSwitchItem that shows only relevant fields based on camera switch mode.
    /// </summary>
    [CustomEditor(typeof(ControllerSwitchItem))]
    public class ControllerSwitchItemEditor : UnityEditor.Editor
    {
        private SerializedProperty _targetControllerName;
        private SerializedProperty _cameraSwitchMode;
        private SerializedProperty _targetVirtualCamera;
        private SerializedProperty _targetCameraState;
        private SerializedProperty _visualRepresentation;
        
        // Base class properties
        private SerializedProperty _isOneTime;
        private SerializedProperty _cooldown;
        private SerializedProperty _characterToInteract;

        private void OnEnable()
        {
            // Controller Switch Settings
            _targetControllerName = serializedObject.FindProperty("targetControllerName");
            _cameraSwitchMode = serializedObject.FindProperty("cameraSwitchMode");
            _targetVirtualCamera = serializedObject.FindProperty("targetVirtualCamera");
            _targetCameraState = serializedObject.FindProperty("targetCameraState");
            _visualRepresentation = serializedObject.FindProperty("visualRepresentation");
            
            // Base class properties
            _isOneTime = serializedObject.FindProperty("isOneTime");
            _cooldown = serializedObject.FindProperty("cooldown");
            _characterToInteract = serializedObject.FindProperty("characterToInteract");
        }

        public override void OnInspectorGUI()
        {
            serializedObject.Update();

            // Draw script field (read-only)
            EditorGUI.BeginDisabledGroup(true);
            EditorGUILayout.ObjectField("Script", MonoScript.FromMonoBehaviour((MonoBehaviour)target), GetType(), false);
            EditorGUI.EndDisabledGroup();

            EditorGUILayout.Space();

            // Interaction Settings (from base class)
            EditorGUILayout.LabelField("Interaction Settings", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(_isOneTime);
            EditorGUILayout.PropertyField(_cooldown);
            EditorGUILayout.PropertyField(_characterToInteract);

            EditorGUILayout.Space();

            // Controller Switch Settings
            EditorGUILayout.LabelField("Controller Switch Settings", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(_targetControllerName);

            EditorGUILayout.Space();

            // Camera Settings
            EditorGUILayout.LabelField("Camera Settings", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(_cameraSwitchMode);

            // Show relevant camera fields based on mode
            CameraSwitchMode mode = (CameraSwitchMode)_cameraSwitchMode.enumValueIndex;
            
            switch (mode)
            {
                case CameraSwitchMode.None:
                    EditorGUILayout.HelpBox("No camera switching will occur. Only the controller will be switched.", MessageType.Info);
                    break;
                    
                case CameraSwitchMode.DirectReference:
                    EditorGUILayout.PropertyField(_targetVirtualCamera);
                    if (_targetVirtualCamera.objectReferenceValue == null)
                    {
                        EditorGUILayout.HelpBox("Assign a Cinemachine camera to blend to when switching controllers.", MessageType.Warning);
                    }
                    break;
                    
                case CameraSwitchMode.TrashMazeCameraState:
                    EditorGUILayout.PropertyField(_targetCameraState);
                    EditorGUILayout.HelpBox("Uses TrashMazeCameraController to switch camera state. Make sure TrashMazeCameraController is present in the scene.", MessageType.Info);
                    break;
            }

            EditorGUILayout.Space();

            // Visual Feedback
            EditorGUILayout.LabelField("Visual Feedback", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(_visualRepresentation);

            serializedObject.ApplyModifiedProperties();
        }
    }
}