using UnityEditor;
using UnityEngine;
using System;
using System.Linq;
using System.Reflection;
using System.Collections.Generic;
using AlicizaX.Runtime;
using Sirenix.OdinInspector.Editor;

namespace AlicizaX.Editor
{
    public class GameFrameworkPreferenceWindow : OdinMenuEditorWindow
    {
        private List<Type> m_TabTypes;
        private readonly Dictionary<Type, GameFrameworkTabBase> _tabBases = new();

        [MenuItem("AlicizaX/Preference Window")]
        public static void ShowWindow()
        {
            GetWindow<GameFrameworkPreferenceWindow>(true, "Preference Window");
        }

        private void OnEnable()
        {
            this.position = new Rect(this.position.x, this.position.y, 800, 600);

            var assemblies = Utility.Assembly.GetAssemblies();

            m_TabTypes = new List<Type>();

            foreach (var assembly in assemblies)
            {
                var types = assembly.GetTypes();
                foreach (var type in types)
                {
                    if (typeof(GameFrameworkTabBase).IsAssignableFrom(type) && type.IsClass && !type.IsAbstract)
                    {
                        var displayNameAttr = (DisplayNameAttribute)Attribute.GetCustomAttribute(type, typeof(DisplayNameAttribute));
                        if (displayNameAttr != null)
                        {
                            m_TabTypes.Add(type);
                        }
                    }
                }
            }

            m_TabTypes = m_TabTypes.OrderBy(t => ((DisplayNameAttribute)Attribute.GetCustomAttribute(t, typeof(DisplayNameAttribute))).DisplayName).ToList();
        }


        protected override void OnDestroy()
        {
            base.OnDestroy();
            if (this.MenuTree != null && this.MenuTree.Selection.SelectedValue != null)
            {
                var selectTarget = this.MenuTree.Selection.SelectedValue;
                if (selectTarget != null)
                {
                    var selectType = selectTarget.GetType();
                    if (_tabBases.TryGetValue(selectType, out GameFrameworkTabBase tab))
                    {
                        tab.Save();
                    }
                }
            }
        }

        protected override OdinMenuTree BuildMenuTree()
        {
            var tree = new OdinMenuTree();
            foreach (var tabType in m_TabTypes)
            {
                DisplayNameAttribute displayNameAttribute = (DisplayNameAttribute)Attribute.GetCustomAttribute(tabType, typeof(DisplayNameAttribute));
                GameFrameworkTabBase instance = (GameFrameworkTabBase)Activator.CreateInstance(tabType);
                _tabBases.Add(tabType, instance);
                tree.Add(displayNameAttribute.DisplayName, instance);
            }

            tree.Selection.SelectionChanged += SelectionOnSelectionChanged;
            return tree;
        }

        private void SelectionOnSelectionChanged(SelectionChangedType obj)
        {
            var selectTarget = this.MenuTree.Selection.SelectedValue;
            if (selectTarget != null)
            {
                var selectType = selectTarget.GetType();
                if (_tabBases.TryGetValue(selectType, out GameFrameworkTabBase tab))
                {
                    tab.Save();
                }
            }
        }
    }
}