#if UNITY_EDITOR
using UnityEditor;
using UnityEngine;

namespace TyphoonEvent
{
    public class EventKitMonitorWindow : EditorWindow
    {
        [MenuItem("Typhoon/EventKit/监视窗口")]
        public static void Open()
        {
            var win = GetWindow<EventKitMonitorWindow>();
            win.minSize = new Vector2(800, 600);
            win.titleContent = new GUIContent("EventKit 监视窗口");
            win.Show();
        }

        private EventKitImpl Target
        {
            get
            {
                if (EventKit.HasInstance())
                {
                    return EventKit.Impl;
                }

                return null;
            }
        }

        private EventKitImplEditor _implEditor;

        private EventKitImplEditor ImplEditor
        {
            get
            {
                if (Target == null)
                {
                    return null;
                }

                if (_implEditor != null && _implEditor.target != Target)
                {
                    DestroyImmediate(_implEditor);
                }

                if (_implEditor == null)
                {
                    _implEditor = (EventKitImplEditor)Editor.CreateEditor(Target, typeof(EventKitImplEditor));
                }

                return _implEditor;
            }
        }

        private void OnGUI()
        {
            var widowRect = new Rect(Vector2.zero, position.size);
            var center = widowRect.center;
            widowRect.width -= 8;
            widowRect.height -= 8;
            widowRect.center = center;
            GUILayout.BeginArea(widowRect);
            if (!EventKit.HasInstance())
            {
                GUILayout.Label("Event Kit 未构建");
            }
            else
            {
                var optionBarHeight = EventKitImplEditor.OPTION_BAR_HEIGHT;
                var tableHeaderHeight = EventKitImplEditor.TABLE_HEADER_HEIGHT;
                var contentHeight = widowRect.height - tableHeaderHeight - optionBarHeight;
                ImplEditor.DrawGUI(optionBarHeight, tableHeaderHeight, contentHeight);
            }

            GUILayout.EndArea();
            Repaint();
        }
    }
}
#endif