#!/bin/bash

set -euo pipefail

usage() {
  cat - <<__USAGE__
$(basename "$0") used to compare mysql schemes between two hosts.

Usage: $(basename "$0") [options]

Options:

    --formatter=[tap]        - Specify the output format.
                               Skip it to get human readable output.

    -h|--help                - Show this message.

__USAGE__
}

get_local_instances() {
  local_instances+=("${NGCP_HOSTNAME}:3306")
  if [[ "${NGCP_TYPE}" == 'carrier' && "${NGCP_IS_PROXY}" == 'yes' ]]; then
    local_instances+=("${NGCP_HOSTNAME}:3308")
  fi
}

FORMATTER=''

args=$(getopt -n "$(basename "$0")" -o h -l help,formatter: -- "$@")
eval set -- "${args}"
while true; do
  case "${1}" in
    --formatter)
      FORMATTER="${2}"
      shift 2
    ;;
    -h|--help)
      usage
      exit 0
    ;;
    --)
      shift
      break
    ;;
    *)
      log_error "Unknown parameter '${1}'"
      exit 1
    ;;
  esac
done

NGCP_ROLES='/etc/default/ngcp-roles'
if [[ ! -r "${NGCP_ROLES}" ]]; then
  echo "Cannot read mandatory config file ${NGCP_ROLES}" 2>&1
  exit 1
fi
. "${NGCP_ROLES}"

MYSQL_CREDENTIALS='/etc/mysql/sipwise_extra.cnf'
if [[ ! -r "${MYSQL_CREDENTIALS}" ]]; then
  echo "Cannot read mandatory config file '${MYSQL_CREDENTIALS}'" 2>&1
  exit 1
fi

declare -a opts
if [[ -n "${FORMATTER}" ]]; then
  opts+=(--formatter="${FORMATTER}")
fi

declare -a local_instances=()
get_local_instances
for local_mysql in "${local_instances[@]}"; do
  /usr/share/ngcp-system-tests/compare_dbs.pl \
    --host-db1="${local_mysql%:*}" \
    --port-db1="${local_mysql#*:}" \
    "${opts[@]}"
done