# Helper script for building the web-app on target machines
# This can be imported into the machine's configuration.nix

{ pkgs }:

pkgs.writeShellScriptBin "build-web-app" ''
  set -e

  # Web-app sources are deployed to /var/src by krops
  WEB_APP_DIR="/var/src/web-app"
  ENV_FILE="/var/src/web-app-env"
  IMAGES_DIR="/var/src/web-app-images"

  cd "$WEB_APP_DIR"

  # Copy machine-specific .env file
  echo "Copying machine-specific .env file..."
  cp "$ENV_FILE" .env

  # Copy machine-specific images to public folder
  echo "Copying machine-specific images..."
  cp -r "$IMAGES_DIR"/* public/

  # Build the web-app
  echo "Building web-app..."
  ${pkgs.nodejs}/bin/npm run build

  echo "Build complete! Output in $WEB_APP_DIR/dist"
''