internal LineBot(ILineConfiguration configuration, HttpClient?client, ILineBotLogger?logger)
{
Guard.NotNull(nameof(configuration), configuration);
if (string.IsNullOrWhiteSpace(configuration.ChannelAccessToken))
{
throw new ArgumentException($"The {nameof(configuration.ChannelAccessToken)} cannot be null or whitespace.", nameof(configuration));
}
if (string.IsNullOrWhiteSpace(configuration.ChannelSecret))
{
throw new ArgumentException($"The {nameof(configuration.ChannelSecret)} cannot be null or whitespace.", nameof(configuration));
}
_logger = logger ?? new EmptyLineBotLogger();
_client = client ?? HttpClientFactory.Create(configuration, _logger);
_signatureValidator = new SignatureValidator(configuration);
}