deploy.yml

name: Deploy to GitHub Pages

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Validate HTML
        run: |
          echo "── Checking for required files ──"
          test -f index.html || { echo "ERROR: index.html not found"; exit 1; }
          echo "✓ index.html exists"

          echo "── Checking for broken internal links ──"
          MISSING=0
          for file in $(grep -oP 'href="(?!https?://|#|mailto:)[^"]+' index.html | sed 's/href="//'); do
            if [ ! -f "$file" ]; then
              echo "WARNING: linked file not found: $file"
              MISSING=$((MISSING + 1))
            fi
          done
          if [ "$MISSING" -eq 0 ]; then
            echo "✓ No broken internal links"
          fi

          echo "── File sizes ──"
          for f in $(find . -name '*.html' -o -name '*.css' -o -name '*.js' | grep -v node_modules | grep -v .git); do
            SIZE=$(wc -c < "$f")
            echo "  $f: ${SIZE} bytes"
          done
          echo "✓ Build validation complete"

      - name: Prepare CNAME
        run: |
          if [ -f CNAME ]; then
            DOMAIN=$(grep -v '^#' CNAME | grep -v '^$' | head -1)
            if [ -n "$DOMAIN" ]; then
              echo "$DOMAIN" > CNAME
              echo "✓ Custom domain: $DOMAIN"
            else
              echo "ℹ CNAME has no active domain — removing from artifact"
              rm -f CNAME
            fi
          else
            echo "ℹ No CNAME file — using default github.io domain"
          fi

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: .

  deploy:
    runs-on: ubuntu-latest
    needs: build
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4