#!/bin/bash

function test_urls {
  local urls=(${URLS//,/ })
  local username=$USERNAME
  local password=$PASSWORD
  for url in "${urls[@]}"; do
    curl -u "$username:$password" "$url"
  done
}

function run_apache_bench {
  local urls=(${URLS//,/ })
  local username=$USERNAME
  local password=$PASSWORD
  local requests=$REQUESTS
  local concurrency=$CONCURRENCY
  local log_file="/logs/authenticated.log"
  for url in "${urls[@]}"; do
    ab -n "$requests" -c "$concurrency" -A "$username:$password" "$url" | tee -a "$log_file"
  done
}

function check_ttfb_and_log {
  local urls=(${URLS//,/ })
  local username=$USERNAME
  local password=$PASSWORD
  local log_file="/logs/authenticated.log"
  local total_ttfb sum_ttfb mean_ttfb
  for url in "${urls[@]}"; do
    total_ttfb=0
    for i in {1..5}; do
      ttfb=$(curl -o /dev/null -s -w "%{time_starttransfer}\n" -u "$username:$password" "$url")
      total_ttfb=$(echo "$total_ttfb + $ttfb" | bc)
    done
    sum_ttfb=$total_ttfb
    mean_ttfb=$(echo "scale=3; $sum_ttfb / 5" | bc)
    echo "$url TTFB Mean: $mean_ttfb seconds" | tee -a "$log_file"
  done
}

function prepare_log_file {
  local log_file="/logs/authenticated.log"
  > "$log_file"
  mkdir -p $(dirname "$log_file")
  touch "$log_file"
}

prepare_log_file

test_urls
run_apache_bench
check_ttfb_and_log