using System;
using System.Drawing;
using AlicizaX.UI;
using AlicizaX.UI.Runtime;
using UnityEditor;
using UnityEngine;
using UnityEngine.UIElements;
using FontStyle = UnityEngine.FontStyle;

namespace AlicizaX.UXTool
{
    public class UXControllerEditWindow : EditorWindow
    {
        private UXController _ux;
        private int _index;
        private TextField _nameField;
        private IntegerField _lengthField;

        public static void ShowWindow(UXController ux, int index, string currentName, int currentLength)
        {
            var w = CreateInstance<UXControllerEditWindow>();
            w.titleContent = new GUIContent("编辑控制器");
            w._ux = ux;
            w._index = index;
            w.position = new Rect(Screen.width / 2f - 150f, Screen.height / 2f - 60f, 320, 120);
            w.ShowUtility();
        }

        private void CreateGUI()
        {
            var root = rootVisualElement;
            root.style.paddingLeft = 8;
            root.style.paddingTop = 8;
            root.style.paddingRight = 8;
            root.style.paddingBottom = 8;

            var title = new Label($"编辑控制器 [{_index}]");
            title.style.unityFontStyleAndWeight = FontStyle.Bold;
            title.style.marginBottom = 6;
            root.Add(title);

            _nameField = new TextField("Name");
            if (_ux != null && _index >= 0 && _index < _ux.Controllers.Count) _nameField.value = _ux.Controllers[_index].Name;
            root.Add(_nameField);

            _lengthField = new IntegerField("Length");
            if (_ux != null && _index >= 0 && _index < _ux.Controllers.Count)
            {
                _lengthField.value = _ux.Controllers[_index].Length;
            }

            _lengthField.value = Mathf.Max(1, _lengthField.value);
            root.Add(_lengthField);

            var row = new VisualElement();
            row.style.flexDirection = FlexDirection.Row;
            row.style.justifyContent = Justify.FlexEnd;
            row.style.marginTop = 8;

            var save = new Button(() =>
            {
                if (_ux != null && _index >= 0 && !string.IsNullOrEmpty(_nameField.value))
                {
                    var so = new SerializedObject(_ux);
                    var controllersProp = so.FindProperty("_controllers");
                    if (controllersProp != null)
                    {
                        Undo.RecordObject(_ux, "Edit Controller");
                        var el = controllersProp.GetArrayElementAtIndex(_index);
                        var nameProp = el.FindPropertyRelative("Name");
                        string oldValue = nameProp.stringValue;
                        var lengthProp = el.FindPropertyRelative("Length");
                        nameProp.stringValue = _nameField.value;
                        lengthProp.intValue = Mathf.Max(1, _lengthField.value);
                        so.ApplyModifiedProperties();

                        var recorders = so.FindProperty("_recorders");

                        for (int i = 0; i < recorders.arraySize; i++)
                        {
                            var recorderProp = recorders.GetArrayElementAtIndex(i);
                            var recorderSo = new SerializedObject(recorderProp.objectReferenceValue);
                            var stateEntriesProp = recorderSo.FindProperty("_stateEntries");
                            for (int j = 0; j < stateEntriesProp.arraySize; j++)
                            {
                                var entry = stateEntriesProp.GetArrayElementAtIndex(j);
                                var controllerNameProp = entry.FindPropertyRelative("ControllerName");
                                if (controllerNameProp.stringValue.Equals(oldValue))
                                {
                                    controllerNameProp.stringValue = _nameField.value;
                                }
                            }

                            recorderSo.ApplyModifiedProperties();
                        }

                        EditorUtility.SetDirty(_ux);
                    }
                }

                Close();
            });
            save.text = "保存";
            row.Add(save);

            var delete = new Button(() =>
            {
                if (_ux != null && _index >= 0)
                {
                    var so = new SerializedObject(_ux);
                    var controllersProp = so.FindProperty("_controllers");
                    if (controllersProp != null)
                    {
                        Undo.RecordObject(_ux, "Edit Controller");
                        controllersProp.DeleteArrayElementAtIndex(_index);
                        so.ApplyModifiedProperties();
                        EditorUtility.SetDirty(_ux);
                    }
                }

                Close();
            });
            delete.text = "删除";
            row.Add(delete);

            var cancel = new Button(() => Close());
            cancel.text = "取消";
            cancel.style.marginLeft = 8;

            row.Add(cancel);


            root.Add(row);
        }
    }
}