using GraphQL.Client;
using GraphQL.Common.Request;
using GraphQL.Common.Response;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BodyshopUploader.Utils
{
   public static class GraphQL
    {
        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();

        public static GraphQLClient CreateGQLClient()
        {
            var graphQLClient = new GraphQLClient("https://bodyshop-dev-db.herokuapp.com/v1/graphql");
            graphQLClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + Utils.Auth.authlink.FirebaseToken);
            return graphQLClient;
        }

        public static async Task<dynamic> ExecuteQuery(GraphQLRequest r)
        {
            using (var g = Utils.GraphQL.CreateGQLClient())
            {
                logger.Trace("Firing GQL Query: {0} {1}", r.Query.ToString(), r.Variables);
                var graphQLResponse = await g.PostAsync(r);
                if (graphQLResponse.Errors == null)
                {
                    logger.Trace("GQL Response: {0}", graphQLResponse.Data);
                    return graphQLResponse.Data;
                }
                else
                {
                    logger.Error("Error executing query.");
                    Array.ForEach(graphQLResponse.Errors, x => logger.Error(x.Message));
                    logger.Error("---------------------");
                    return null;
                }
            }
        }
    }
}