using System.Collections.Generic;
using System.Linq;
using TyphoonFormatCSharp;
using TyphoonGUIStyle;
using UnityEditor;
using UnityEngine;

namespace TyphoonUI
{
    [CustomEditor(typeof(UIObject))]
    [CanEditMultipleObjects]
    public class UIObjectEditor : Editor
    {
        private UIObject Target => target as UIObject;

        public override void OnInspectorGUI()
        {
            GUILayout.Space(5);
            GUILayout.BeginHorizontal();
            if (GUILayout.Button("导出代码", Styles.BtnGreen, GUILayout.Height(32)))
            {
                ExportCode();
            }

            GUILayout.Space(3);
            if (GUILayout.Button("应用&更新", Styles.BtnGreen, GUILayout.Height(32)))
            {
                Apply();
            }

            GUILayout.EndHorizontal();
            GUILayout.Space(5);
            UIObjectGUIDrawer.DrawGUI(Target);
            Repaint();
        }

        private void ExportCode()
        {
            var objects = Selection.gameObjects;
            var matches = new HashSet<UIObject>();
            foreach (var o in objects)
            {
                var view = o.GetComponent<UIObject>();
                if (view != null)
                {
                    matches.Add(view);
                }
            }

            var paths = new List<string>();
            foreach (var match in matches)
            {
                paths.Add(match.ExportCode(false));
            }

            FormatCSharp.Format(Paths.ExportCodeFolder, () =>
            {
                AssetDatabase.Refresh();
                TyphoonUIEditor.PingObject(paths.Last());
                Debug.Log("导出成功！");
            });
        }

        private void Apply()
        {
            var objects = Selection.gameObjects;
            var matches = new HashSet<UIObject>();
            foreach (var o in objects)
            {
                var view = o.GetComponent<UIObject>();
                if (view != null)
                {
                    matches.Add(view);
                }
            }

            foreach (var match in matches)
            {
                match.Apply();
            }
        }
    }
}