#!/usr/bin/env bash
#
# Produce the deployable artifact for a non-Docker deploy.
#
# Copying .next/ wholesale is what filled the production disk: a working tree's
# .next/ reaches 2+ GB, but only three paths are read at runtime —
#   .next/standalone   the server + its traced node_modules
#   .next/static       hashed client assets (served by nginx at /_next/static/)
#   public             unhashed public assets
# Everything else (.next/cache, .next/dev, .next/server, .next/types) is
# build-host state and must never be shipped.
#
# Usage: npm run bundle   ->   dist/loyaly-mer-login.tar.gz

set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

OUT="dist"
STAGE="$OUT/bundle"

for p in .next/standalone .next/static public; do
  if [ ! -d "$p" ]; then
    echo "error: $p missing — run 'npm run build' first" >&2
    exit 1
  fi
done

rm -rf "$STAGE"
mkdir -p "$STAGE"

# standalone already contains server.js, package.json and traced node_modules,
# and expects static/ and public/ to sit beside it in the same layout.
cp -R .next/standalone/. "$STAGE/"
mkdir -p "$STAGE/.next"
cp -R .next/static "$STAGE/.next/static"
cp -R public "$STAGE/public"

TARBALL="$OUT/loyaly-mer-login.tar.gz"
rm -f "$TARBALL"
tar -czf "$TARBALL" -C "$STAGE" .

echo
echo "bundle:  $(du -sh "$STAGE" | cut -f1)  ($STAGE)"
echo "tarball: $(du -sh "$TARBALL" | cut -f1)  ($TARBALL)"
echo
echo "deploy:  scp $TARBALL <host>:/srv/ && tar -xzf loyaly-mer-login.tar.gz -C /srv/app"
echo "run:     PORT=3000 HOSTNAME=0.0.0.0 NODE_ENV=production node server.js"