#!/bin/bash

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
TMPDIR="${TMPDIR:-/tmp}"
nohup go run $DIR/run_emulators.go "$@" > ${TMPDIR}/cloud_emulators.log &

cmd="$1"
shift

if [ "$cmd" == "start" ]; then
  sleep 20 # Give the emulators time to start up before exiting.

  # The ports below should be kept in sync with run_emulators.go.
  echo Emulators started. Set environment variables as follows:
  echo export DATASTORE_EMULATOR_HOST=localhost:8891
  echo export BIGTABLE_EMULATOR_HOST=localhost:8892
  echo export PUBSUB_EMULATOR_HOST=localhost:8893
  echo export FIRESTORE_EMULATOR_HOST=localhost:8894
  echo export COCKROACHDB_EMULATOR_HOST=localhost:8895
elif [ "$cmd" == "stop" ]; then
  echo Emulators stopped. Unset environment variables as follows:
  echo export DATASTORE_EMULATOR_HOST=
  echo export BIGTABLE_EMULATOR_HOST=
  echo export PUBSUB_EMULATOR_HOST=
  echo export FIRESTORE_EMULATOR_HOST=
  echo export COCKROACHDB_EMULATOR_HOST=

  if [ "$1" == "--dump-logs" ]; then
    echo "Emulator logs:"
    cat ${TMPDIR}/cloud_emulators.log
  fi
fi