private async Task SendMissingParametersErrorResponse(Command command, string commandName, ISocketMessageChannel channel)
{
EmbedResponse.Builder builder = new EmbedResponse.Builder(EmbedResponseTemplate.Error);
builder.AddMessage("Not enough parameters.", "You are missing some parameters.");
ParameterInfo[] parameters = command.method.GetParameters();
string usage = $"{TamaChan.Instance.botSettings.commandPrefix}{commandName}";
for (int i = 0; i < parameters.Length; i++)
{
ParameterInfo pi = parameters[i];
if (!pi.ParameterType.IsAssignableFrom(typeof(MessageContext)))
{
ParameterInfo nextParameter = (i < parameters.Length - 1) ? parameters[i + 1] : null;
if (pi.IsOptionalParameter(nextParameter))
{
usage += $" ({pi.Name})";
}
else
{
usage += $" {pi.Name}";
}
}
}
builder.AddMessage("Usage:", usage);
builder.SetFooter($"Example: {command.Example}");
await responseHandler.Respond(builder.Build(), channel);
}