namespace ClinicBackupSync;

static class AppLog
{
    static readonly Lock Gate = new();

    public static void Write(string message)
    {
        var line = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} {message}{Environment.NewLine}";
        lock (Gate)
        {
            try
            {
                Directory.CreateDirectory(AppPaths.DataDirectory);
                using var stream = new FileStream(AppPaths.LogFile, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
                var bytes = System.Text.Encoding.UTF8.GetBytes(line);
                stream.Write(bytes);
            }
            catch (IOException)
            {
            }
            catch (UnauthorizedAccessException)
            {
            }
        }
    }

    public static bool Clear()
    {
        lock (Gate)
        {
            try
            {
                Directory.CreateDirectory(AppPaths.DataDirectory);
                using var stream = new FileStream(AppPaths.LogFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
                return true;
            }
            catch (IOException)
            {
                return false;
            }
            catch (UnauthorizedAccessException)
            {
                return false;
            }
        }
    }
}