library(tidyverse)
library(RSQLite)
library(ipapi)

commandArgs(trailingOnly = T) -> cmdargs
dbfile <- cmdargs[1]
logfile <- cmdargs[2]

dbConnect(SQLite(), dbfile) -> db

logfile %>%
  read_delim(delim = " ", col_names = c("ip", "null1", "user", "timestamp", "zone", "req", "status", "size", "referer", "agent", "null2")) %>%
  mutate_all(na_if, "-") %>%
  filter(user %>% is.na) %>%
  filter(!ip %in% c("192.168.0.254", "164.2.255.244")) %>%
  mutate(timestamp = timestamp %>% as.POSIXct(format = "[%d/%b/%Y:%H:%M:%S")) %>%
  separate(req, into = c("method", "url", "version"), sep = " ") %>%
  select(ip, timestamp, url, status, referer, agent) %>%
  dbWriteTable(conn = db, name = "access", value = ., append = T)

known_ips <- character(0)

db %>%
  tbl("geoip") %>%
  select(ip) %>%
  collect %>%
  pull(ip) -> known_ips

db %>%
  tbl("access") %>%
  select(ip) %>%
  collect %>%
  pull(ip) %>%
  unique %>%
  setdiff(known_ips) -> ips

if (length(ips) > 0)
{
  ips %>%
    geolocate %>%
    select(ip = query, city, country, lat, lon) %>%
    dbWriteTable(conn = db, name = "geoip", value = ., append = T)
}