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

namespace TyphoonUI
{
    internal static class ExtensionInEditor
    {
        /// <summary>
        /// 保存配置
        /// </summary>
        internal static void SaveAssetWithDirty<T>(this T target) where T : ScriptableObject
        {
            EditorUtility.SetDirty(target);
            AssetDatabase.SaveAssets();
        }

        internal static void ReloadSource(this CoreSource source)
        {
            source.UICamera = null;
            source.EventSystem = null;
            source.Canvases = new List<GameObject>();

            var guids = AssetDatabase.FindAssets("t:prefab", new[] { Paths.CORE_SOURCE_ROOT_PATH });
            foreach (var guid in guids)
            {
                var path = AssetDatabase.GUIDToAssetPath(guid);
                var go = AssetDatabase.LoadAssetAtPath<GameObject>(path);
                if (go.GetComponent<UICamera>() != null)
                {
                    source.UICamera = go;
                }

                if (go.GetComponent<EventSystem>() != null)
                {
                    source.EventSystem = go;
                }

                if (go.GetComponent<UICanvas>() != null)
                {
                    source.Canvases.Add(go);
                }
            }

            source.SaveAssetWithDirty();
        }

        internal static void ResetTransformParams(this Transform target)
        {
            target.localPosition = Vector3.zero;
            target.localEulerAngles = Vector3.zero;
            target.localScale = Vector3.one;
        }

        internal static T AddComponentIfNotExists<T>(this GameObject target) where T : Component
        {
            var match = target.GetComponent<T>();
            if (match == null)
            {
                match = target.AddComponent<T>();
            }

            return match;
        }
    }
}