name: CSS (node-sass)

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

env:
  FORCE_COLOR: 2
  NODE: 18

permissions:
  contents: read

jobs:
  css:
    runs-on: ubuntu-latest

    steps:
      - name: Clone repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Set up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "${{ env.NODE }}"

      - name: Build CSS with node-sass
        run: |
          npx --package node-sass@latest node-sass --version
          npx --package node-sass@latest node-sass --output-style expanded --source-map true --source-map-contents true --precision 6 scss/ -o dist-sass/css/
          ls -Al dist-sass/css

      - name: Check built CSS files for Sass variables
        shell: bash
        run: |
          SASS_VARS_FOUND=$(find "dist-sass/css/" -type f -name "*.css" -print0 | xargs -0 --no-run-if-empty grep -F "\$" || true)
          if [[ -z "$SASS_VARS_FOUND" ]]; then
            echo "All good, no Sass variables found!"
            exit 0
          else
            echo "Found $(echo "$SASS_VARS_FOUND" | wc -l | bc) Sass variables:"
            echo "$SASS_VARS_FOUND"
            exit 1
          fi