using System.Diagnostics;
using System.Reflection;
using Sentry;

namespace CommonHelpers
{
    public static class Log
    {
#if PRODUCTION_BUILD
        internal static String SENTRY_DSN = "https://3c93e3c3b47b40ffba72d9cb333fc6d7@o4504334913830912.ingest.sentry.io/4504334914879488";
#else
        internal static String SENTRY_DSN = "https://d9204614b2cd47468bfa1ea2ab55da4e@o4504334914355200.ingest.sentry.io/4504334915469312";
#endif

#if DEBUG
        private static bool LogToTrace = true;
#else
        private static bool LogToTrace = false;
#endif
        private static bool LogToConsole = Environment.UserInteractive;

        internal static void SentryOptions(Sentry.SentryOptions o)
        {
            var env = Instance.IsProductionBuild ? "prod" : "dev";
            var build = Instance.IsDEBUG ? "debug" : "release";
            var deploy = File.Exists("Uninstall.exe") ? "setup" : "zip";

            o.BeforeSend += Sentry_BeforeSend;
            o.Dsn = Log.SENTRY_DSN;
            o.TracesSampleRate = 1.0;
            o.IsGlobalModeEnabled = true;
            o.Environment = String.Format("{0}:{1}_{2}", Instance.ApplicationName, build, deploy);
            o.DefaultTags.Add("App", Instance.ApplicationName);
            o.DefaultTags.Add("Build", build);
            o.DefaultTags.Add("Deploy", deploy);

            var releaseVersion = typeof(Log).Assembly.GetCustomAttributes<AssemblyInformationalVersionAttribute>().FirstOrDefault();
            if (releaseVersion is not null)
            {
                o.Release = releaseVersion.InformationalVersion;
            }
        }

        private static String? LogFileFolder;

        private static SentryEvent? Sentry_BeforeSend(SentryEvent arg)
        {
            if (Instance.HasFile("DisableCheckForUpdates.txt") || Instance.HasFile("DisableSentryTracking.txt"))
                return null;
            if (!Instance.AcceptedTerms)
                return null;

            if (LogFileFolder == null)
            {
                var documentsFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
                var steamControllerDocumentsFolder = Path.Combine(documentsFolder, "SteamDeckTools", "Logs");
                Directory.CreateDirectory(steamControllerDocumentsFolder);
                LogFileFolder = steamControllerDocumentsFolder;
            }

            String logFile = Path.Combine(LogFileFolder, String.Format("SentryLog_{0}.json", arg.Timestamp.ToString("yyyy-MM-dd")));

            using (var stream = File.Open(logFile, FileMode.OpenOrCreate | FileMode.Append))
            {
                using (var writer = new System.Text.Json.Utf8JsonWriter(stream))
                    arg.WriteTo(writer, null);
                stream.Write(new byte[] { (byte)'\r', (byte)'\n' });
            }
            return arg;
        }

        public static void TraceLine(string format, params object?[] arg)
        {
            if (!LogToTrace && !LogToConsole)
                return;

            String line = string.Format(format, arg);
            if (LogToTrace)
                Trace.WriteLine(line);
            if (LogToConsole)
                Console.WriteLine(line);
        }

        public static void TraceError(string format, params object?[] arg)
        {
            String line = string.Format(format, arg);
            Sentry.SentrySdk.CaptureMessage(line, Sentry.SentryLevel.Error);
            if (LogToTrace)
                Trace.WriteLine(line);
            if (LogToConsole)
                Console.WriteLine(line);
        }

        public static void TraceException(String type, Object? name, Exception e)
        {
            TraceLine("{0}: {1}: Exception: {2}", type, name, e);
            Sentry.SentrySdk.CaptureException(e, scope =>
            {
                scope.SetTag("type", type);
                scope.SetTag("name", name?.ToString() ?? "null");
            });
        }

        public static void TraceException(String type, Exception e)
        {
            TraceLine("{0}: Exception: {1}", type, e);
            Sentry.SentrySdk.CaptureException(e, scope =>
            {
                scope.SetTag("type", type);
            });
        }

        public static void DebugException(String type, Exception e)
        {
        }

        public static void DebugException(String type, Object? name, Exception e)
        {
        }
    }
}