using UnityEditor;
using UnityEngine;
using BaseGames.World;

namespace BaseGames.Editor
{
    /// <summary>
    /// 为 DestructibleTile 和 DirectionalDestructible 在 Scene 视图中绘制 Gizmo。
    /// 红色实心矩形 = 可破坏状态；灰色叉号 = 已破坏（编辑时无法判断，故始终显示可破坏状态）。
    /// </summary>
    [CustomEditor(typeof(DestructibleTile), true)]
    public class DestructibleTileEditor : UnityEditor.Editor
    {
        [DrawGizmo(GizmoType.NotInSelectionHierarchy | GizmoType.InSelectionHierarchy)]
        private static void DrawGizmo(DestructibleTile tile, GizmoType gizmoType)
        {
            if (tile == null) return;

            var col = tile.GetComponent<Collider2D>();
            Bounds bounds = col != null ? col.bounds : new Bounds(tile.transform.position, Vector3.one * 0.5f);

            bool isSelected = (gizmoType & GizmoType.InSelectionHierarchy) != 0;

            // 可破坏物：橙红色边框；选中时更亮
            Gizmos.color = isSelected
                ? new Color(1f, 0.35f, 0.1f, 0.85f)
                : new Color(1f, 0.35f, 0.1f, 0.45f);
            Gizmos.DrawWireCube(bounds.center, bounds.size);

            // 内部半透明填充
            Gizmos.color = new Color(1f, 0.35f, 0.1f, 0.08f);
            Gizmos.DrawCube(bounds.center, bounds.size);

            // 中心锤子符号（用 GUI label 显示）
            Handles.Label(
                bounds.center + Vector3.up * (bounds.extents.y + 0.15f),
                "💥",
                new GUIStyle(GUI.skin.label) { fontSize = 10, alignment = TextAnchor.MiddleCenter });
        }

        public override void OnInspectorGUI()
        {
            DrawDefaultInspector();

            EditorGUILayout.Space(4);
            EditorGUILayout.HelpBox(
                "Gizmo：Scene 视图中橙红色边框 = 可破坏物。\n" +
                "子类 DirectionalDestructible 会额外显示攻击方向箭头。",
                MessageType.None);
        }
    }
}