#!/usr/bin/env bash
# Build and deploy CyberHybridHub to /home/chh/publish:
#   - compiles bootstrap-serve.ts to publish/server
#   - syncs _fresh/ into publish
#   - preserves existing publish/.env (never overwritten from the repo)
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PUBLISH_DIR="/home/chh/publish"
SERVICE_NAME="cyberhybridhub"
COMPILE_TARGET="${COMPILE_TARGET:-x86_64-unknown-linux-gnu}"

cd "$SCRIPT_DIR"

echo "Building Fresh app..."
deno task build

echo "Ensuring publish directory exists..."
mkdir -p "$PUBLISH_DIR"

if [[ -f "$PUBLISH_DIR/.env" ]]; then
  echo "Keeping existing $PUBLISH_DIR/.env"
else
  echo "Warning: $PUBLISH_DIR/.env not found."
  echo "  Create it before starting the service (copy from .env.example and set production values)."
fi

echo "Compiling Linux binary to $PUBLISH_DIR/server.new ..."
deno compile -A --no-check \
  --include ./_fresh/client \
  --target "$COMPILE_TARGET" \
  -o "$PUBLISH_DIR/server.new" \
  bootstrap-serve.ts

echo "Syncing _fresh into $PUBLISH_DIR ..."
rm -rf "$PUBLISH_DIR/_fresh"
cp -a _fresh "$PUBLISH_DIR/_fresh"

echo "Patching publish _fresh for runtime FRESH_ROOT ..."
sed -i 's|const root = join(import.meta.dirname, "..");|const root = Deno.env.get("FRESH_ROOT") ?? join(import.meta.dirname, "..");|' \
  "$PUBLISH_DIR/_fresh/server/server-entry.mjs"

echo "Installing new server binary..."
chmod +x "$PUBLISH_DIR/server.new"
mv -f "$PUBLISH_DIR/server.new" "$PUBLISH_DIR/server"

SERVICE_FILE="$PUBLISH_DIR/${SERVICE_NAME}.service"
cat > "$SERVICE_FILE" << EOF
[Unit]
Description=CyberHybridHub web app
After=network.target

[Service]
Type=simple
WorkingDirectory=$PUBLISH_DIR
EnvironmentFile=-$PUBLISH_DIR/.env
ExecStart=$PUBLISH_DIR/server
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF
chmod 644 "$SERVICE_FILE"
echo "Wrote $SERVICE_FILE"

if [[ "${SKIP_SYSTEMD:-0}" == "1" ]]; then
  echo "SKIP_SYSTEMD=1 — skipped systemd install/restart."
  echo "  sudo cp $SERVICE_FILE /etc/systemd/system/"
  echo "  sudo systemctl daemon-reload && sudo systemctl enable --now $SERVICE_NAME"
elif sudo -n true 2>/dev/null; then
  echo "Installing and restarting systemd service..."
  sudo cp "$SERVICE_FILE" "/etc/systemd/system/${SERVICE_NAME}.service"
  sudo systemctl daemon-reload
  sudo systemctl enable "$SERVICE_NAME"
  sudo systemctl restart "$SERVICE_NAME"

  if sudo systemctl is-active --quiet "$SERVICE_NAME"; then
    echo "Service $SERVICE_NAME is active."
  else
    echo "Service $SERVICE_NAME failed to start. Check: sudo journalctl -u $SERVICE_NAME -n 50 --no-pager"
    exit 1
  fi
else
  echo "No passwordless sudo — binary deployed; restart the service manually:"
  echo "  sudo cp $SERVICE_FILE /etc/systemd/system/"
  echo "  sudo systemctl daemon-reload && sudo systemctl restart $SERVICE_NAME"
fi

echo "Done. Deployed to $PUBLISH_DIR:"
ls -la "$PUBLISH_DIR/"
ls -la "$PUBLISH_DIR/_fresh" 2>/dev/null || true