#!/usr/bin/env bash

function error_handler() {
  echo >&2 "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

if [ "${BASH_SOURCE[0]}" -ef "$0" ]; then
  echo "Hey, you should source this script, not execute it!"
  exit 1
fi

PORT="${SPIFFWORKFLOW_BACKEND_PORT:-7000}"
use_local_open_id="false"
acceptance_test_mode="false"

arg_1="${1:-}"

if [[ "$arg_1" == "localopenid" ]]; then
  use_local_open_id="true"
  shift
fi
if [[ "$arg_1" == "acceptance" ]]; then
  acceptance_test_mode="true"
  shift
fi

process_model_dir="${1:-}"
if [[ -d "$process_model_dir" ]]; then
  shift
fi

if [[ -z "${SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR:-}" ]]; then
  if [[ -n "${process_model_dir}" ]] && [[ -d "${process_model_dir}" ]]; then
    SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR="$process_model_dir"
  else
    SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR=$(./bin/find_sample_process_models)
  fi
  export SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR
fi

if [[ "$acceptance_test_mode" == "true" ]]; then
  export SPIFFWORKFLOW_BACKEND_LOAD_FIXTURE_DATA=true
  export SPIFFWORKFLOW_BACKEND_PERMISSIONS_FILE_NAME=acceptance_tests.yml
elif [[ "$use_local_open_id" == "true" ]]; then
  backend_base_url="${SPIFFWORKFLOW_BACKEND_URL:-}"
  if [[ -z "$backend_base_url" ]]; then
    backend_base_url="http://localhost:$PORT"
  fi
  export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__identifier="default"
  export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__label="internal openid"
  export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__uri="${backend_base_url}/openid"
  export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__client_id="spiffworkflow-backend"
  export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__client_secret="JXeQExm0JhQPLumgHtIIqf52bDalHz0q"
  export SPIFFWORKFLOW_BACKEND_PERMISSIONS_FILE_NAME="example.yml"

# else  # uncomment to test multiple auths
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__identifier="keycloak_internal"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__label="I am a Core Contributor"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__uri="http://localhost:7002/realms/spiffworkflow"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__client_id="spiffworkflow-backend"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__0__client_secret="JXeQExm0JhQPLumgHtIIqf52bDalHz0q"
#
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__1__identifier="openid"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__1__label="I am a vendor"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__1__uri="http://localhost:$PORT/openid"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__1__client_id="spiffworkflow-backend"
#   export SPIFFWORKFLOW_BACKEND_AUTH_CONFIGS__1__client_secret="JXeQExm0JhQPLumgHtIIqf52bDalHz0q"

# else # uncomment to test specfied
#   export SPIFFWORKFLOW_BACKEND_OPEN_ID_SERVER_URL="http://localhost:7002/realms/spiffworkflow"
#   export SPIFFWORKFLOW_BACKEND_OPEN_ID_CLIENT_ID="spiffworkflow-backend"
#   export SPIFFWORKFLOW_BACKEND_OPEN_ID_CLIENT_SECRET_KEY="JXeQExm0JhQPLumgHtIIqf52bDalHz0q"

fi

if [[ -z "${SPIFFWORKFLOW_BACKEND_ENV:-}" ]]; then
  export SPIFFWORKFLOW_BACKEND_ENV=local_development
fi

export FLASK_SESSION_SECRET_KEY="e7711a3ba96c46c68e084a86952de16f"
export FLASK_DEBUG=1

if [[ -z "${SPIFFWORKFLOW_BACKEND_RUN_BACKGROUND_SCHEDULER_IN_CREATE_APP:-}" ]]; then
  SPIFFWORKFLOW_BACKEND_RUN_BACKGROUND_SCHEDULER_IN_CREATE_APP=true
fi
export SPIFFWORKFLOW_BACKEND_RUN_BACKGROUND_SCHEDULER_IN_CREATE_APP

export FLASK_APP=src/spiffworkflow_backend

if [[ -z "${SPIFFWORKFLOW_BACKEND_FAIL_ON_INVALID_PROCESS_MODELS:-}" ]]; then
  export SPIFFWORKFLOW_BACKEND_FAIL_ON_INVALID_PROCESS_MODELS=false
fi