#!/usr/bin/env bash

function error_handler() {
  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
  exit "$2"
}
trap 'error_handler ${LINENO} $?' ERR
set -o errtrace -o errexit -o nounset -o pipefail

# run migrations
export FLASK_APP=/app/src/spiffworkflow_backend

if [ "${DOWNGRADE_DB:-}" = "true" ]; then
  echo 'Downgrading database...'
  poetry run flask db downgrade
fi

if [[ "${SPIFFWORKFLOW_BACKEND_UPGRADE_DB:-}" == "true" ]]; then
  echo 'Upgrading database...'
  poetry run flask db upgrade
fi

port="${SPIFFWORKFLOW_BACKEND_PORT:-}"
if [[ -z "$port" ]]; then
  port=7000
fi

additional_args=""

if [[ "${APPLICATION_ROOT:-}" != "/" ]]; then
  additional_args="${additional_args} -e SCRIPT_NAME=${APPLICATION_ROOT}"
fi

# THIS MUST BE THE LAST COMMAND!
exec poetry run gunicorn ${additional_args} --bind "0.0.0.0:$SPIFFWORKFLOW_BACKEND_PORT" --workers=3 --timeout 90 --log-level debug wsgi:app