using BCG;

using bts;
using bts.api.core;

using Bts.DataStreamQueryAnalyzer;
using Bts.PubSub;

using CommandLine;

using Spark.Api.Services;
using Spark.Core.Services;

using System;
using System.Threading.Tasks;
using System.Windows.Forms;

static class Program {
   [STAThread]
   static async Task Main(string[] args) {
      await Parser.Default.ParseArguments<DataStreamQueryAnalyzerConfig>(args)
         .MapResult(RunAsync, errs => Task.FromResult(1));

      async Task<int> RunAsync(DataStreamQueryAnalyzerConfig cfg) {
         try {
            cfg.MergeWithConfigFile();
            cfg.MergeWith(DataStreamQueryAnalyzerConfig.Default());
            PubSubConfig.SetGlobalConfig(Log.notnull(cfg.PubSub));
            var configLoader = new SparkConfigLoader(new SparkConfigLoaderOpts() { ConfigServer = cfg.Sparkd });
            var serviceContext = new ServiceContext(configLoader);
            var credentials = new SparkApiCredentials() {
               User = cfg.User,
               Password = cfg.Password
            };
            var loginService = new SparkdLoginService(serviceContext, credentials, configLoader);
            var permissions = new UserDataPermissions(loginService);
            var mdClientConfig = new MarketDataClientConfig() { HotPollInterval = TimeSpan.FromSeconds(0.5) };
            var mdClient = new MarketDataClient(configLoader, loginService, permissions, mdClientConfig);
            PrimitiveManager.SetMarketDataClient(mdClient);
            using var vsd = new ViewStreamDatabase(new SubscriberCoreFactory());
            ViewStreamDatabase.SetGlobalInstance(new ViewStreamDatabase(new SubscriberCoreFactory()));
            Log.Gen.info("Starting DataStreamQueryAnalyzer");
            var mainForm = new MainForm();
            if (cfg.StreamFile is not null) {
               mainForm.loadFile(cfg.StreamFile);
            }
            Application.Run(mainForm);
         } catch (Exception ex) {
            // Write the error to console first, in case the logging system is compromised.
            var error_msg = $"DataStreamPublisher threw exception:\n{ex}";
            Console.Error.WriteLine(error_msg);
            Console.Error.Flush();
            bts.Log.Gen.error(error_msg);
            return 1;
         }
         return 0;
      }
   }
}