#if UNITY_EDITOR
using System;
using System.Linq;
using UnityEditor;
using UnityEditor.Build;
using UnityEngine;

namespace ProjectQuint.Editor
{
    internal static class ProjectQuintIconConfigurator
    {
        internal const string IconAssetPath =
            "Assets/ProjectQuint/Art/AppIcon/ProjectQuintAppIcon.png";

        [MenuItem("ProjectQuint/Apply macOS App Icon")]
        public static void ApplyMacAppIcon()
        {
            AssetDatabase.ImportAsset(IconAssetPath, ImportAssetOptions.ForceUpdate);
            var icon = AssetDatabase.LoadAssetAtPath<Texture2D>(IconAssetPath);
            if (icon == null)
                throw new InvalidOperationException($"ProjectQuint app icon is missing: {IconAssetPath}");

            var target = NamedBuildTarget.Standalone;
            var iconCount = PlayerSettings.GetIconSizes(target, IconKind.Application).Length;
            if (iconCount <= 0)
                throw new InvalidOperationException("Unity reported no Standalone application icon slots.");

            PlayerSettings.SetIcons(
                target,
                Enumerable.Repeat(icon, iconCount).ToArray(),
                IconKind.Application);
            AssetDatabase.SaveAssets();
            Debug.Log($"[ProjectQuint Icon] Applied {IconAssetPath} to {iconCount} Standalone icon slots.");
        }
    }
}
#endif