#!/bin/bash
set -e

cd /opt/dumpsterChat

# Load nvm for Node/npm
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
nvm use 22

# Snapshot the current binary before pulling
if [ -f dumpster-server ]; then
  cp dumpster-server dumpster-server.bak
  echo "Backed up existing binary to dumpster-server.bak"
fi

git pull
make build

# Sync web dist to Docker Caddy volume if present
if [ -d /var/lib/docker/volumes/docker_web_assets/_data ]; then
  rsync -a --delete web/dist/ /var/lib/docker/volumes/docker_web_assets/_data/
  echo "Synced web assets to Docker Caddy volume"
fi

# Health check after restart — roll back on failure
systemctl restart dumpster
echo "Waiting for app to become healthy..."
for i in $(seq 1 15); do
  if curl -sf http://localhost:8080/ > /dev/null 2>&1; then
    echo "Server is listening — deploy complete"
    rm -f dumpster-server.bak
    echo "Deploy complete — $(date)"
    exit 0
  fi
  sleep 2
done

echo "Health check failed after 30s — rolling back..."
systemctl stop dumpster
cp dumpster-server.bak dumpster-server
systemctl start dumpster
echo "Rolled back to previous binary — $(date)"
exit 1