#' Search an IDBac database to see which sample IDs have protein or small molecule data
#'
#' @param type "protein", "small", 
#' @param pool single IDBac pool connection 
#'
#' @return vector of sample names in database with protein or small mol spectra
#' @export 
#'
idbac_available_samples <- function(pool, 
                                    type){
  
  if (!inherits(type, "character")) stop("Provided value for 'type' wasn't character.")

  switch(type,
         "protein" = assign("sym", "WHERE max_mass > 6000"),
         "small" = assign("sym", "WHERE max_mass < 6000"),
         "all" = assign("sym", ""))
  

    query <- glue::glue("SELECT DISTINCT `strain_id`
                         FROM `spectra`
                         {sym}")

  query <- DBI::dbGetQuery(pool, query)
  return(query[ , 1])
  
  
}