name: Deploy to Railway

on:
  push:
    branches: ["main"]
  workflow_dispatch:

jobs:
  deploy:
    runs-on:
      - linux
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v1
        with:
          bun-version: latest

      - name: Install Railway CLI
        run: npm i -g @railway/cli

      - name: Deploy with Railway
        env:
          RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}
          RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
          RAILWAY_SERVICE_ID: ${{ secrets.RAILWAY_SERVICE_ID }}
        run: |
          set -euo pipefail
          PROJECT_FLAG=""
          SERVICE_FLAG=""
          if [ -n "${RAILWAY_PROJECT_ID:-}" ]; then PROJECT_FLAG="--project ${RAILWAY_PROJECT_ID}"; fi
          if [ -n "${RAILWAY_SERVICE_ID:-}" ]; then SERVICE_FLAG="--service ${RAILWAY_SERVICE_ID}"; fi
          # Deploy current repo; --yes to skip prompts
          railway up $PROJECT_FLAG $SERVICE_FLAG --yes