using Google.Apis.Auth.OAuth2;
using Google.Apis.Oauth2.v2;

namespace Core.Thalos.BFF.Api.Services
{
    public interface IGoogleAuthHelper
    {
        string[] GetScopes();
        string ScopeToString();
        ClientSecrets GetClientSecrets();
    }

    public class GoogleAuthHelperService(IConfiguration config) : IGoogleAuthHelper
    {
        public ClientSecrets GetClientSecrets()
        {
            string clientId = config["Authentication:Google:ClientId"]!;
            string clientSecret = config["Authentication:Google:ClientSecret"]!;

            return new() { ClientId = clientId, ClientSecret = clientSecret };
        }

        public string[] GetScopes()
        {
            var scopes = new[]
            {
                Oauth2Service.Scope.Openid,
                Oauth2Service.Scope.UserinfoEmail,
                Oauth2Service.Scope.UserinfoProfile
            };

            return scopes;
        }

        public string ScopeToString() => string.Join(", ", GetScopes());
    }
}