entrypoint

#!/bin/bash

# Not setting this because firebase complains since we're not authenticated
# set -e -o pipefail

FUNCTIONS_DIR="$FIREBASE_DIR/functions"
CONFIG_PATH="$FIREBASE_DIR/firebase.json"
# https://firebase.google.com/docs/emulator-suite/connect_firestore#choose_a_firebase_project
DEMO="demo-code-buddy-development"
# https://github.com/firebase/firebase-tools/issues/3092#issuecomment-1126822493
# Per comment, we can't write to volume mounted by Docker
STORAGE="$DATA_DIR/firebase"

loopPid=0
pid=0

# Trap SIGTERM to shutdown Firebase cleanly https://stackoverflow.com/a/65507904/19129136
cleanup() {
  echo "Exporting and shutting down firebase emulator"
  # todo(nickbar01234): Can't get --export-on-exit to work properly. This method is more manual but good enough
  firebase emulators:export --project "$DEMO" --config "$CONFIG_PATH" --force "$STORAGE"
  pkill -P "$pid"
  wait "$pid"
  exit 0
}

trap "cleanup" SIGTERM

mkdir -p "$STORAGE"

cd "$FUNCTIONS_DIR" && pnpm dev
exec firebase emulators:start --project "$DEMO" --import="$STORAGE" --config "$CONFIG_PATH" &
pid="$!"
# Spins forever
tail -f /dev/null &
loopPid="$!"
wait "$loopPid"

exit 1