#!/bin/bash

set -e
set -E

declare -r ME="$(basename "$0")"
declare -r OPTS=("$@")
declare -a PROVE_OPTS=()
NGCP_TESTS_MODE=${NGCP_TESTS_MODE:=prove}

error() {
  if [ "${NGCP_TESTS_MODE}" = 'tap' ]; then
    echo "Bail out! $*" >&2
  else
    echo "$ME: error: $*" >&2
  fi
  exit 1
}

usage() {
  cat <<HELP
Usage: ${ME} [<option>...]

Options:
      --mode <name>   Operation mode to use. Values: jenkins, tap, prove.
  -h, --help          Print this help message and exit.
HELP
}

get_options() {
  local _cmdline_opts="help,mode:"

  local _opt_temp
  _opt_temp=$(getopt -n "${ME}" -o 'h' -l "${_cmdline_opts}" -- "${OPTS[@]}")

  eval set -- "${_opt_temp}"

  while :; do
    case "$1" in
    --help|-h)
      usage
      exit 0
      ;;
    --mode)
      shift
      NGCP_TESTS_MODE="$1"
      ;;
    --)
      shift
      break
      ;;
    *)
      error "Internal getopt error! $1"
      ;;
    esac
    shift
  done
  PROVE_OPTS=("$@")
}

if ! [ -d /etc/ngcp-system-tests/ ]; then
  error "Missing system test suite files, please run 'ngcpcfg build'"
fi

get_options "$@"

case "${NGCP_TESTS_MODE}" in
  jenkins)
    export GOSS_NOCOLOR=true
    $0 --mode=tap
    ;;
  prove)
    export NGCP_TESTS_MODE=tap
    prove "${PROVE_OPTS[@]}" -f "$0"
    ;;
  *)
    DEBIAN_RELEASE=$(sed -e 's/\([0-9]*\)\..*/\1/' /etc/debian_version)
    # Translate Debian codenames that don't have a version number (yet) into
    # according numbers
    case "${DEBIAN_RELEASE}" in
      bookworm*)
        DEBIAN_RELEASE=12
        ;;
      trixie*)
        DEBIAN_RELEASE=13
        ;;
    esac
    export DEBIAN_RELEASE

    # Use an actual variable so that the values do not evaluate as strings,
    # and thus as always true.
    if [ "$(ngcp-check-active -v)" = 'active' ]; then
      NODE_ACTIVE=true
    else
      NODE_ACTIVE=false
    fi

    VARS=$(mktemp --tmpdir ngcp-system-tests.XXXXXXXXXX.yaml)
    trap 'rm -f "${VARS}"' EXIT
    cat >"${VARS}" <<-EOF
SKIP_DNS_CHECK_TEST: ${SKIP_DNS_CHECK_TEST:-false}
NODE_ACTIVE: ${NODE_ACTIVE}
EOF

    PLAN='/etc/ngcp-system-tests/goss.yaml'

    goss --gossfile "${PLAN}" --vars "${VARS}" \
      validate --format "${NGCP_TESTS_MODE}"
    ;;
esac