namespace RecRoomArchive.Services
{
    /// <summary>
    /// Used to get the appVersion from the client to determine how to run the server
    /// </summary>
    public class AppVersionService
    {
        /// <summary>
        /// AppVersion reference
        /// </summary>
        private static string? AppVersion { get; set; }
        
        /// <summary>
        /// The AppVersion as it would want to be seen by the game
        /// </summary>
        private static string? FullAppVersion { get; set; }

        /// <summary>
        /// The BuildTimestamp of the build, this is a long that when converted to ticks, will be the accurate time at which the game was built.
        /// This only exists on some builds so I wouldn't rely on it too much
        /// </summary>
        private static DateTime? BuildTimestamp { get; set; }
        /// <summary>
        /// The BuildTimestamp as it would want to be seen by the game
        /// </summary>
        private static long? FullBuildTimestamp { get; set; }

        /// <summary>
        /// To store the AppVersion of the current build
        /// </summary>
        /// <param name="appVersion">The version of the game</param>
        /// <returns>If the operation was a success</returns>
        public async Task<bool> StoreAppVersion(string appVersion)
        {
            if (appVersion == null)
                return false;

            // To remove any _EA's or .01's or just any weird Rec Room bullshit from the build's name
            var standardizedAppVersion = await ParseAppVersion(appVersion);

            // idrk if storing both of these is overkill
            FullAppVersion = appVersion;
            AppVersion = standardizedAppVersion;

            Console.WriteLine($"appVersion: {FullAppVersion}, standardizedAppVersion: {AppVersion}");

            return true;
        }

        /// <summary>
        /// To store the BuildTimestamp of the current build
        /// </summary>
        /// <param name="buildTimestamp">The BuildTimestamp of the game</param>
        /// <returns>If the operation was a success</returns>
        public async Task<bool> StoreBuildTimestamp(long buildTimestamp)
        {
            if (buildTimestamp == 0)
                return false;

            DateTime buildTimestampDateTime = new(buildTimestamp);
            
            // same here
            FullBuildTimestamp = buildTimestamp;
            BuildTimestamp = buildTimestampDateTime;

            Console.WriteLine($"buildTimestamp: {FullBuildTimestamp}, buildTimestampDateTime: {BuildTimestamp}");

            return true;
        }

        /// <summary>
        /// Parses the appVersion to "remove any _EA's or .01's or just any weird Rec Room bullshit from the build's name"
        /// </summary>
        /// <param name="appVersion">The version of the game</param>
        /// <returns>The standardized string of the appVersion</returns>
        public async Task<string> ParseAppVersion(string appVersion)
        {
            // To remove any _EA's or .01's or just any weird Rec Room bullshit from the build's name
            int index = appVersion.IndexOfAny(['_', '.']);
            string standardizedAppVersion = index >= 0 ? appVersion[..index] : appVersion;

            return standardizedAppVersion;
        }
    }
}