set -e

log() {
  printf '\e[1m\e[38;5;87m==>\e[0m\e[1m %s.\e[0m\n' "$*"
}

exitHook() {
  log "Stopping postgres"
  pg_ctl stop --pgdata=./matabas-db
}

log "Checking for existing postgres directory"
[ -d ./matabas-db ] || {
  log "Non-existent, creating postgres directory (./matabas-db)"
  pg_ctl initdb --pgdata=./matabas-db
}

[ -f matabas-db/matabas.log ] && {
  log "Moving logs from last session into log archive (./matabas-db/matabas.log.old)"
  cat matabas-db/matabas.log >> matabas-db/matabas.log.old
  rm -f matabas-db/matabas.log
}

log "Starting postgres"
pg_ctl start --pgdata=./matabas-db --log=./matabas-db/matabas.log --options="-p 2137 -k /tmp"
trap exitHook EXIT

log "Creating database"
createdb -p 2137 matabas 2>>./matabas-db/matabas.log || log "Database already exists, not overwriting"

log "Environment ready!"

set +e