using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.UIElements;
using UnityEngine;
using UnityEngine.UIElements;
using Random = UnityEngine.Random;

namespace BITKit.GameEditor
{
	public class DictionaryReferenceEditorWindow : EditorWindow
	{
		[MenuItem("Tools/DictionaryReference Editor")]
		public static void Open()
		{
			var window = GetWindow<DictionaryReferenceEditorWindow>();
			window.titleContent = new GUIContent("Dictionary Reference Editor");
			
			window.Show();
		}
		
		private Button _addButton;
		private Button _buildButton;
		private TextField _valueTextField;
		private Label reportLabel;

		private void OnEnable()
		{
			var serializedObject = new SerializedObject(DictionaryReferenceScriptableObject.Singleton);
			BITInspectorExtensions.FillDefaultInspector(rootVisualElement,serializedObject,true);
			rootVisualElement.Bind(serializedObject);

			
			_valueTextField = rootVisualElement.Create<TextField>();
			_valueTextField.label = "Value,Key is random (int32)";
			
			_addButton = rootVisualElement.Create<Button>();
			_addButton.text = "Add";
			_addButton.clicked += AddButtonOnClicked;
			
			_buildButton = rootVisualElement.Create<Button>();
			_buildButton.clicked += BuildAssembliesReference;
			_buildButton.text = "构建引用";
			_buildButton.tooltip = $"从代码中构建包括{nameof(DictionaryReferenceConfigAttribute)}的引用";
			
			reportLabel = rootVisualElement.Create<Label>();
			reportLabel.text = "等待操作中...";
			
		}

		private void BuildAssembliesReference()
		{
			var stringBuilder = new System.Text.StringBuilder();
			var types = AppDomain.CurrentDomain.GetAssemblies().SelectMany(x => x.GetTypes());
			
			var list = new List<(FieldInfo,DictionaryReferenceConfigAttribute)>();
			foreach (var type in types)
			{
				try
				{
					foreach (var field in type.GetFields())
					{
						if (Attribute.IsDefined(field, typeof(DictionaryReferenceConfigAttribute)))
						{
							list.Add(new(field,field.GetCustomAttribute<DictionaryReferenceConfigAttribute>()));
						}
					}
				}
				catch (Exception)
				{
					continue;
				}
			}
			foreach (var (fieldInfo,att) in list)
			{
				stringBuilder.AppendLine($"{att.index}:{fieldInfo.Name}");
				//DictionaryReferenceScriptableObject.AddOrUpdate(fieldInfo.GetHashCode());
				DictionaryReferenceScriptableObject.AddOrUpdate(att.index,fieldInfo.Name);
			}

			if (list.Count is 0)
			{
				reportLabel.text = "没有找到任何包含DictionaryReferenceConfigAttribute的类型";
			}
			else
			{
				reportLabel.text = stringBuilder.ToString();
			}
		}

		private void AddButtonOnClicked()
		{
			var value = _valueTextField.value;
			
			DictionaryReferenceScriptableObject.Add(value);
		}
	}
	
#if UNITY_EDITOR
	[CustomPropertyDrawer(typeof(DictionaryReference))]
	public sealed class DictionaryReferenceDrawer : PropertyDrawer
	{
		public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
		{
			var index = property.FindPropertyRelative("index");
			var value = DictionaryReferenceScriptableObject.Dictionary.TryGetValue(index.intValue, out var v)? v : "Not Found";
			var keyword = property.FindPropertyRelative("keyword");

			try
			{
					EditorGUILayout.LabelField("当前值", value);
			}
			catch (Exception e)
			{
				Debug.LogException(e);
				EditorGUILayout.PrefixLabel(e.Message);
			}

			EditorGUILayout.BeginHorizontal();
    
			//EditorGUILayout.DelayedTextField(keyword);
			EditorGUILayout.PropertyField(keyword);
            
        
        
			// var search = EditorGUILayout.TextField("搜索条件", keyword.stringValue);
            
			EditorGUI.BeginChangeCheck();

			var query = DictionaryReferenceScriptableObject.Dictionary.Values.Where(x =>
				string.IsNullOrEmpty(keyword.stringValue) || x.ToLower().Contains(keyword.stringValue.ToLower())).ToList();
			query.Insert(0, "<Click To Select>");
            
			var newValue = EditorGUILayout.Popup(0, query.ToArray());

			var nextString = query[newValue];

			
			if (EditorGUI.EndChangeCheck() || nextString != value)
			{
				if (newValue > 0)
				{
					index.intValue = DictionaryReferenceScriptableObject.Dictionary.First(x => x.Value == nextString).Key;
				}
			}

			EditorGUILayout.EndHorizontal();
            
			if (EditorGUILayout.LinkButton("Open Editor"))
			{
				DictionaryReferenceEditorWindow.Open();
			}
            
			query.Clear();
		}
	}
#endif

}