internal Sms(ISmsApiEndpoints smsApiEndpoints, string to, string message)
{
_smsApiEndpoints = smsApiEndpoints;
if (string.IsNullOrWhiteSpace(to))
{
throw new BadRequestException("Cannot specify empty 'to'.");
}
if (string.IsNullOrWhiteSpace(message))
{
throw new BadRequestException("Cannot specify empty message.");
}
if (!to.Trim().StartsWith("+"))
{
throw new BadRequestException("'to' must be in international format. Phone number should start with a '+'");
}
if (to.Length < 7)
{
throw new BadRequestException("Phone number too short");
}
if (to.Length > 17)
{
throw new BadRequestException("Phone number too long");
}
if (to.Substring(1).Any(c => !char.IsDigit(c)))
{
throw new BadRequestException("Phone numbers should only have digits after '+'");
}
_to = to.Trim();
_message = message.Trim();
}
internal SmsApi(ISmsApiEndpoints smsApiEndpoints)
{
_smsApiEndpoints = smsApiEndpoints;
}