#if UNITY_IOS && UNITY_EDITOR
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;
using UnityEngine;
using System.IO;

public class GoogleSignInIOSBuildPatch
{
    [PostProcessBuild(100)]
    public static void OnPostProcessBuild(BuildTarget buildTarget, string pathToBuiltProject)
    {
        if (buildTarget != BuildTarget.iOS)
            return;

        string plistPath = Path.Combine(pathToBuiltProject, "Info.plist");

        // === Modify Info.plist ===
        PlistDocument plist = new PlistDocument();
        plist.ReadFromFile(plistPath);
        PlistElementDict rootDict = plist.root;

        // Optional: can be removed if not used by your native code
        rootDict.SetString("GIDClientID", GameConstants.iOS_ClientID);

        PlistElementArray urlTypes = rootDict.CreateArray("CFBundleURLTypes");
        PlistElementDict urlDict = urlTypes.AddDict();
        PlistElementArray schemes = urlDict.CreateArray("CFBundleURLSchemes");
        schemes.AddString(GameConstants.iOS_URL_Scheme);

        plist.WriteToFile(plistPath);
        Debug.Log("✅ Patched Info.plist with URL scheme.");

        // DO NOT PATCH UnityAppController.mm — GIDSignIn.clientID is removed in SDK v6+
    }
}
#endif