name: CI

on:
  push:
    branches: ["main", "dev"]
  pull_request:
    branches: ["main"]

jobs:
  lint-and-build:
    name: Lint & Smoke Test
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Check for syntax errors
        run: node --check main.js

      - name: Verify package.json scripts exist
        run: |
          node -e "
            const pkg = require('./package.json');
            const required = ['start', 'dist'];
            for (const s of required) {
              if (!pkg.scripts?.[s]) {
                console.error('Missing script:', s);
                process.exit(1);
              }
            }
            console.log('All required scripts present.');
          "