using UnityEditor;
using UnityEditor.U2D;
using UnityEngine;

/// <summary>
/// 一键修复炮台/翅膀/战神三个图集的边缘渗色（设置存在 .meta 的 SpriteAtlasImporter 里）：
/// 1) Padding 4 → 8（隔开相邻 sprite，大于 ASTC 压缩块尺寸，根治相邻像素渗色）
/// 2) 平台压缩 ASTC 6x6 → 4x4（质量档提高，减少压缩糊边/杂边）
/// 3) 尺寸上限 1024 → 2048（避免整体缩小带来的模糊）
/// 改动后必须：重建 Addressables 内容 → 重出包。
/// </summary>
public static class TurretAtlasBleedingFix
{
    private static readonly string[] Atlases =
    {
        "Assets/MyGame/aa/UI/Atlases/PaoTaiSprite.spriteatlasv2",
        "Assets/MyGame/aa/UI/Atlases/chibangSprite.spriteatlasv2",
        "Assets/MyGame/aa/UI/Atlases/ZhanShenSprite.spriteatlasv2",
    };

    [MenuItem("Tools/图集工具/修复炮台三图集边缘渗色")]
    public static void Fix()
    {
        foreach (var path in Atlases)
        {
            var importer = AssetImporter.GetAtPath(path) as SpriteAtlasImporter;
            if (importer == null)
            {
                Debug.LogWarning($"[图集修复] 跳过（不是 SpriteAtlasImporter）: {path}");
                continue;
            }

            // 1) Padding 4 → 8
            var packing = importer.packingSettings;
            packing.padding = 8;
            importer.packingSettings = packing;

            // 2) 平台压缩与尺寸：ASTC 4x4 + 上限 2048
            var android = importer.GetPlatformSettings("Android");
            if (android != null)
            {
                android.overridden = true;
                android.format = TextureImporterFormat.ASTC_4x4;
                android.maxTextureSize = 2048;
                importer.SetPlatformSettings(android);
            }
            var iphone = importer.GetPlatformSettings("iPhone");
            if (iphone != null)
            {
                iphone.overridden = true;
                iphone.format = TextureImporterFormat.ASTC_4x4;
                iphone.maxTextureSize = 2048;
                importer.SetPlatformSettings(iphone);
            }

            importer.SaveAndReimport();
            Debug.Log($"[图集修复] {System.IO.Path.GetFileName(path)} → padding=8, ASTC 4x4, 上限2048");
        }

        AssetDatabase.Refresh();
        Debug.Log("[图集修复] 完成 —— 请重建 Addressables 内容后重出包");
    }
}