using UnityEngine;
using UnityEditor;
using AppleHillsCamera;

namespace Editor.CustomEditorsAndDrawers
{
    /// <summary>
    /// Custom editor for CameraScreenAdapter component.
    /// Shows scaling mode info and provides helper buttons.
    /// </summary>
    [CustomEditor(typeof(CameraScreenAdapter))]
    public class CameraScreenAdapterEditor : UnityEditor.Editor
    {
        private SerializedProperty _referenceMarkerProp;
        private SerializedProperty _adjustOnStartProp;
        private SerializedProperty _adjustOnScreenResizeProp;
        private SerializedProperty _debugLoggingProp;

        private void OnEnable()
        {
            _referenceMarkerProp = serializedObject.FindProperty("referenceMarker");
            _adjustOnStartProp = serializedObject.FindProperty("adjustOnStart");
            _adjustOnScreenResizeProp = serializedObject.FindProperty("adjustOnScreenResize");
            _debugLoggingProp = serializedObject.FindProperty("debugLogging");
        }

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

            CameraScreenAdapter adapter = (CameraScreenAdapter)target;

            // Reference Marker
            EditorGUILayout.PropertyField(_referenceMarkerProp);
            
            // Show current scaling mode info if reference marker is assigned
            if (adapter.referenceMarker != null)
            {
                EditorGUILayout.Space(5);
                
                ScreenReferenceMarker.ScalingMode mode = adapter.referenceMarker.scalingMode;
                string modeStr = mode == ScreenReferenceMarker.ScalingMode.Width ? "Width" : "Height";
                
                EditorGUILayout.HelpBox(
                    $"Current Scaling Mode: {modeStr}\n" +
                    (mode == ScreenReferenceMarker.ScalingMode.Width 
                        ? $"Target Width: {adapter.referenceMarker.targetWidth:F2} units"
                        : $"Target Height: {adapter.referenceMarker.targetHeight:F2} units"),
                    MessageType.Info
                );
            }
            else
            {
                EditorGUILayout.Space(5);
                EditorGUILayout.HelpBox(
                    "Assign a ScreenReferenceMarker to configure camera scaling.",
                    MessageType.Warning
                );
            }
            
            EditorGUILayout.Space(10);

            // Settings
            EditorGUILayout.LabelField("Settings", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(_adjustOnStartProp);
            EditorGUILayout.PropertyField(_adjustOnScreenResizeProp);
            EditorGUILayout.PropertyField(_debugLoggingProp);
            
            EditorGUILayout.Space(10);

            // Manual adjustment button
            GUI.enabled = adapter.referenceMarker != null;
            if (GUILayout.Button("Adjust Camera Now"))
            {
                adapter.AdjustCamera();
                SceneView.RepaintAll(); // Refresh scene view to show changes
            }
            GUI.enabled = true;

            serializedObject.ApplyModifiedProperties();
        }
    }
}