public static class BuildScript
{
    // Helper: use EditorBuildSettings scenes if present, otherwise fall back to your test scene
    static string[] ScenesToBuild() =>
        EditorBuildSettings.scenes.Length > 0
            ? EditorBuildSettings.scenes.Where(s => s.enabled).Select(s => s.path).ToArray()
            : new[] { "Assets/Scenes/TestScene.unity" };

    [MenuItem("Build/Build Windows")]
    public static void BuildWindows()
    {
        var buildPath = "Builds/Windows";
        Directory.CreateDirectory(buildPath);

        BuildPipeline.BuildPlayer(
            ScenesToBuild(),
            Path.Combine(buildPath, "TestGame.exe"),
            BuildTarget.StandaloneWindows64,
            BuildOptions.None
        );
    }

    [MenuItem("Build/Build Mac")]
    public static void BuildMac()
    {
        var buildPath = "Builds/Mac";
        Directory.CreateDirectory(buildPath);

        BuildPipeline.BuildPlayer(
            ScenesToBuild(),
            Path.Combine(buildPath, "TestGame.app"),
            BuildTarget.StandaloneOSX,
            BuildOptions.None
        );
    }

    // ? New: CI-friendly Android build
    public static void BuildAndroidCI()
    {
        // Make sure we’re on the Android target (does nothing if already there)
        EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTargetGroup.Android, BuildTarget.Android);

        // Optional: ensure .apk (set to .aab if you want App Bundle)
        var buildDir = "Builds/Android";
        Directory.CreateDirectory(buildDir);
        var outputPath = Path.Combine(buildDir, "TestGame.apk");

        // Optional CI toggles (strip development/build-report etc. if you prefer)
        var options = BuildOptions.None;

        var report = BuildPipeline.BuildPlayer(
            ScenesToBuild(),
            outputPath,
            BuildTarget.Android,
            options
        );

        if (report.summary.result != UnityEditor.Build.Reporting.BuildResult.Succeeded)
            throw new System.Exception("Android build failed: " + report.summary.result);
    }
}