#!/bin/bash

# usage $0 [MAIL_HOST]
# setup things which involve being the primary host or not

source /usr/local/lib/err

pre="${0##*/}:"
m() { printf "$pre %s\n"  "$*"; "$@"; }
e() { printf "$pre %s\n"  "$*"; }
err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }


if [[ $EUID == 0 && ! $SUDO_USER ]]; then
  err "requires running as nonroot or sudo"
  exit 1
fi

if [[ $1 ]]; then
  new_host=$1
  m sed -ri "s/MAIL_HOST=.*/MAIL_HOST=$new_host/" /a/bin/bash_unpublished/source-state
  source /a/bin/bash_unpublished/source-state
fi

if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
  # arbtt disabled for now
  #DISPLAY=:0 arbtt-capture --sample-rate=10 &
  m sudo systemctl start rss2email.timer
  m sudo systemctl enable rss2email.timer
  m sudo systemctl start btrbk.timer
  m sudo systemctl enable btrbk.timer

else
  m sudo systemctl stop rss2email.timer
  m sudo systemctl stop rss2email.service
  m sudo systemctl disable rss2email.timer
  # arbtt disabled for now
  # for ((i=0; i<10; i++)); do
  #   killall arbtt-capture || break
  #   sleep 1
  #   if [[ $i == 9 ]]; then
  #     exit 1
  #   fi
  # done
fi

m /a/exe/mail-setup
exit 0
: