#!/usr/bin/env bash
# Run on the server as root after rsyncing the app files.
set -euo pipefail

APP_DIR=/opt/albumen
MEDIA_DIR=/var/albumen

echo "==> Creating directories"
mkdir -p "$APP_DIR"/{cache/thumbs,tmp,log,public/img}
mkdir -p "$MEDIA_DIR"

echo "==> Creating service user"
id albumen &>/dev/null || useradd -r -s /usr/sbin/nologin -d "$APP_DIR" albumen

echo "==> Installing gems"
cd "$APP_DIR"
bundle install --without development test

echo "==> Generating audio placeholder SVG"
cat > "$APP_DIR/public/img/audio.svg" <<'SVG'
<svg xmlns="http://www.w3.org/2000/svg" width="300" height="300" viewBox="0 0 300 300">
  <rect width="300" height="300" fill="#1c1c1c"/>
  <text x="150" y="175" font-size="120" text-anchor="middle" fill="#555">♪</text>
</svg>
SVG

echo "==> Setting permissions"
chown -R albumen:albumen "$APP_DIR" "$MEDIA_DIR"
chmod +x "$APP_DIR/scripts/"*.rb

echo "==> Setting up nginx"
cp "$APP_DIR/config/nginx-albumen.conf" /etc/nginx/sites-available/albumen
ln -sf /etc/nginx/sites-available/albumen /etc/nginx/sites-enabled/albumen
rm -f /etc/nginx/sites-enabled/default
nginx -t
systemctl enable nginx
systemctl restart nginx

echo "==> Setting up systemd service"
cp "$APP_DIR/config/albumen.service" /etc/systemd/system/
systemctl daemon-reload
systemctl enable albumen

echo ""
echo "==> Setup complete!"
echo ""
echo "Next steps:"
echo "  1. Set admin password:  ruby $APP_DIR/scripts/set_password.rb"
echo "  2. Start the service:   systemctl start albumen"
echo "  3. Check logs:          journalctl -u albumen -f"
echo "  4. Drop photos into:    $MEDIA_DIR"
echo "  5. Run update script:   ruby $APP_DIR/scripts/update.rb"