using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using System.Threading.Tasks;
using System.Linq;


namespace Logic.Editor
{
    public class EditorWindow2D
    {
        public static List<string> MaxTextureSizeFolders = new List<string>
        {
            "ArtResources/TH1CharIllustrations",
            "ArtResources/TH1UI/Main/UI_bg",
            "ArtResources/TH1UI"
            
        };
        
        [MenuItem("Assets/批量设置图片压缩低精度", false, 20)]
        private static void ConfigTextures()
        {
            string folderPath = AssetDatabase.GetAssetPath(Selection.activeObject);
            string[] guids = AssetDatabase.FindAssets("t:Texture", new[] { folderPath });
            
            // 创建进度条
            int totalCount = guids.Length;
            int processedCount = 0;
            
            // 批量处理，每批50个
            const int batchSize = 50;
            var guidBatches = guids.Select((guid, index) => new { guid, index })
                                 .GroupBy(x => x.index / batchSize)
                                 .Select(g => g.Select(x => x.guid).ToList())
                                 .ToList();

            foreach (var batch in guidBatches)
            {
                EditorUtility.DisplayProgressBar("处理图片压缩", $"已处理 {processedCount}/{totalCount}", (float)processedCount / totalCount);
                
                // 批量处理当前批次的图片
                foreach (string guid in batch)
                {
                    string assetPath = AssetDatabase.GUIDToAssetPath(guid);
                    TextureImporter textureImporter = AssetImporter.GetAtPath(assetPath) as TextureImporter;

                    if (textureImporter == null) continue;
                    
                    // 设置图片导入器设置
                    if (IsMaxTexture(assetPath))
                        CompressTexturesMaxInFolder(textureImporter);
                    else
                        CompressTexturesMinInFolder(textureImporter);

                    processedCount++;
                }

                // 每批次统一导入
                AssetDatabase.SaveAssets();
                AssetDatabase.Refresh();
            }

            EditorUtility.ClearProgressBar();
            EditorUtility.DisplayDialog("完成", $"已完成 {processedCount} 个图片的压缩设置！", "确定");
        }
        
        private static void CompressTexturesMinInFolder(TextureImporter importer)
        {
            if (!importer.isReadable)
            {
                var settings = new TextureImporterPlatformSettings
                {
                    name = "Standalone",
                    overridden = true,
                    maxTextureSize = 512,
                    format = TextureImporterFormat.BC7,
                    compressionQuality = 100  // 使用100代表最佳质量
                };
                
                importer.SetPlatformTextureSettings(settings);
                importer.SaveAndReimport();
            }
        }
        
        private static void CompressTexturesMaxInFolder(TextureImporter importer)
        {
            if (!importer.isReadable)
            {
                var settings = new TextureImporterPlatformSettings
                {
                    name = "Standalone",
                    overridden = true,
                    maxTextureSize = 2048,
                    format = TextureImporterFormat.BC7,
                    compressionQuality = 100  // 使用100代表最佳质量
                };
                
                importer.SetPlatformTextureSettings(settings);
                importer.SaveAndReimport();
            }
        }
        
        private static bool IsMaxTexture(string path)
        {
            if (string.IsNullOrEmpty(path)) return false;
            foreach (var floder in MaxTextureSizeFolders)
            {
                if (path.Contains(floder)) return true;
            }
            return false;
        }
    }
}