using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

namespace AdaptUI
{

    [CustomEditor(typeof(UIAdaptiveRect))]
    public class UIAdaptiveRectEditor : Editor
    {
        private enum DeviceType { init, iPhone, iPad }

        public override void OnInspectorGUI()
        {
            UIAdaptiveRect script = (UIAdaptiveRect)target;
            RectTransform rectTransform = script.GetComponent<RectTransform>();

            EditorGUILayout.Space();
            EditorGUILayout.LabelField("自定义 UI 适配", EditorStyles.boldLabel);

            // 📌 初始 布局
            DrawLayoutEditor(script, "初始 布局", DeviceType.init, ref script.defaultLayout, rectTransform);

            // 📌 iPhone 布局
            DrawLayoutEditor(script, "iPhone 布局", DeviceType.iPhone, ref script.iPhoneLayout, rectTransform);

            // 📌 iPad 布局
            DrawLayoutEditor(script, "iPad 布局", DeviceType.iPad, ref script.iPadLayout, rectTransform);

            EditorGUILayout.Space();
            if (GUILayout.Button("自动 UI 适配"))
            {
                script.ApplyLayout();
            }
        }

        // 📌 可视化 RectTransformData（类似官方 Anchor Presets）
        private void DrawLayoutEditor(UIAdaptiveRect script, string title, DeviceType deviceType, ref RectTransformData layout, RectTransform rectTransform)
        {
            EditorGUILayout.LabelField(title, EditorStyles.boldLabel);
            EditorGUI.indentLevel++;

            // 直接修改 layout，而不是创建新的变量
            layout.anchorMin = EditorGUILayout.Vector2Field("Anchor Min", layout.anchorMin);
            layout.anchorMax = EditorGUILayout.Vector2Field("Anchor Max", layout.anchorMax);
            layout.anchoredPosition = EditorGUILayout.Vector2Field("Anchored Position", layout.anchoredPosition);
            layout.sizeDelta = EditorGUILayout.Vector2Field("Size Delta", layout.sizeDelta);

            // 📌 直接应用当前数据到 RectTransform
            if (GUILayout.Button("应用 " + deviceType + " 布局"))
            {
                // 将 layout 中的数据应用到当前对象的 RectTransform 上
                rectTransform.anchorMin = layout.anchorMin;
                rectTransform.anchorMax = layout.anchorMax;
                rectTransform.anchoredPosition = layout.anchoredPosition;
                rectTransform.sizeDelta = layout.sizeDelta;

                // 📌 记录修改，确保数据保存
                Undo.RecordObject(script, "Set " + deviceType + " Layout");
                EditorUtility.SetDirty(script);
            }

            // 📌 获取当前 RectTransform 组件的值并赋值给当前布局
            if (deviceType != DeviceType.init)
            {
                if (GUILayout.Button("获取当前组件的值"))
                {
                    layout = new RectTransformData(rectTransform);  // 直接更新 layout 数据

                    // 把数据存储到对应的布局变量
                    if (deviceType == DeviceType.iPhone)
                    {
                        script.iPhoneLayout = layout;
                    }
                    else if (deviceType == DeviceType.iPad)
                    {
                        script.iPadLayout = layout;
                    }

                    Undo.RecordObject(script, "Get " + deviceType + " Layout");
                    EditorUtility.SetDirty(script);
                }
            }


            EditorGUI.indentLevel--;
            EditorGUILayout.Space();
        }
    }
}