#!/usr/bin/env bash


_main() {

  export REPLICATOR_USER="${REPLICATOR_USER:-q_replicator}"
  export REPLICATOR_PASSWORD="${REPLICATOR_PASSWORD:-josua5}"

  echo "CREATE ROLE ${REPLICATOR_USER} REPLICATION LOGIN ENCRYPTED PASSWORD '${REPLICATOR_PASSWORD}';" > /docker-entrypoint-initdb.d/create_replicator.sql

  mkdir -p
  REPLICATION_SLOTS=$((5 + 2 * ${SECONDARIES:-1}))
  {
    echo "wal_level =             ${WAL_LEVEL:-replica}"
    echo "wal_log_hints =         ${WAL_LOG_HINTS:-on}"
    echo "max_wal_size =          ${MAX_WAL_SIZE:-1GB}"
    echo "min_wal_size =          ${MIN_WAL_SIZE:-80MB}"
    echo "max_wal_senders =       $REPLICATION_SLOTS"
    echo "max_replication_slots = $REPLICATION_SLOTS"
    echo "wal_keep_size =         ${WAL_KEEP_SIZE:-1GB}"
    echo "restore_command =      '${RESTORE_COMMAND:-cp /archive/%f %p}'"
    echo "archive_mode =          ${ARCHIVE_MODE:-on}"
    echo "archive_command =      '${ARCHIVE_COMMAND:-test ! -f /archive/%f && cp %p /archive/%f}'"
  } > /config/primary.conf

  docker-entrypoint.sh "$@"
}

_main "$@"