using System.IO;
using System.Reflection;

namespace SharpChat {
    public static class BuildInfo {
        private const string NAME = @"SharpChat";
        private const string UNKNOWN = @"XXXXXXX";

        public static string VersionString { get; }
        public static string VersionStringShort { get; }
        public static bool IsDebugBuild { get; }

        public static string ProgramName { get; }

        static BuildInfo() {
#if DEBUG
            IsDebugBuild = true;
#endif

            try {
                using Stream? s = Assembly.GetEntryAssembly()?.GetManifestResourceStream(@"SharpChat.version.txt");
                if(s != null) {
                    using StreamReader sr = new(s);
                    VersionString = sr.ReadLine()?.Trim() ?? string.Empty;
                } else
                    VersionString = string.Empty;
                VersionStringShort = VersionString.Length > 10 ? VersionString[..10] : VersionString;
            } catch {
                VersionStringShort = VersionString = UNKNOWN;
            }

            ProgramName = string.Format(@"{0}/{1}", NAME, VersionStringShort);
        }
    }
}