ci.yml

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Check out
        uses: actions/checkout@v4

      - name: Install Emacs
        run: |
          sudo apt update
          sudo apt-get install -y emacs

      - name: Check Org files syntax
        run: |
          echo "🔍 Checking Org files syntax..."
          for file in posts/*.org; do
            if [ -f "$file" ]; then
              echo "Checking: $file"
              emacs --batch --eval "(progn (find-file \"$file\") (org-lint))" 2>&1 | grep -E "(Warning|Error)" || true
            fi
          done

      - name: Validate metadata
        run: |
          echo "📋 Validating post metadata..."
          for file in posts/*.org; do
            if [ -f "$file" ] && [[ "$file" != "posts/index.org" ]] && [[ "$file" != "posts/about.org" ]] && [[ "$file" != "posts/404.org" ]]; then
              echo "Checking: $file"
              # Check for required metadata
              if ! grep -q "^#+TITLE:" "$file"; then
                echo "❌ Missing TITLE in $file"
                exit 1
              fi
              if ! grep -q "^#+AUTHOR:" "$file"; then
                echo "❌ Missing AUTHOR in $file"
                exit 1
              fi
              if ! grep -q "^#+DATE:" "$file"; then
                echo "❌ Missing DATE in $file"
                exit 1
              fi
            fi
          done
          echo "✅ All metadata valid"

  shellcheck:
    runs-on: ubuntu-latest
    steps:
      - name: Check out
        uses: actions/checkout@v4

      - name: Run ShellCheck
        uses: ludeeus/action-shellcheck@master
        with:
          scandir: '.'
          format: gcc
          severity: warning

  build-test:
    runs-on: ubuntu-latest
    steps:
      - name: Check out
        uses: actions/checkout@v4

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

      - name: Install Emacs
        run: |
          sudo apt update
          sudo apt-get install -y emacs

      - name: Test build
        run: |
          chmod +x build.sh
          ./build.sh
        env:
          CI: true
          GITHUB_WORKSPACE: ${{ github.workspace }}

      - name: Validate HTML output
        run: |
          echo "🔍 Validating HTML files..."
          # Check that index.html exists
          if [ ! -f "public/index.html" ]; then
            echo "❌ public/index.html not found"
            exit 1
          fi

          # Check that all expected HTML files exist
          for org_file in posts/*.org; do
            if [ -f "$org_file" ] && [[ "$org_file" != "posts/404.org" ]]; then
              base_name=$(basename "$org_file" .org)
              html_file="public/${base_name}.html"
              if [ ! -f "$html_file" ]; then
                echo "❌ Expected $html_file not found"
                exit 1
              fi
            fi
          done

          echo "✅ All HTML files generated successfully"

      - name: Check for broken internal links
        run: |
          echo "🔗 Checking for broken internal links..."
          cd public

          # Use a temporary file to track broken links
          broken_file=$(mktemp)

          for html_file in *.html; do
            if [ -f "$html_file" ]; then
              # Extract internal links
              grep -oE 'href="[^"]*\.html"' "$html_file" 2>/dev/null | sed 's/href="//;s/"//' | sort -u | while read -r link; do
                if [ -n "$link" ] && [[ ! "$link" =~ ^https?:// ]]; then
                  # Handle both relative and absolute paths
                  check_file="${link#/}"
                  if [ ! -f "$check_file" ] && [ ! -f "../$check_file" ]; then
                    echo "❌ Broken link in $html_file: $link" | tee -a "$broken_file"
                  fi
                fi
              done
            fi
          done

          # Count broken links
          broken_count=$(wc -l < "$broken_file" 2>/dev/null || echo "0")
          rm -f "$broken_file"

          if [ "$broken_count" -gt 0 ]; then
            echo "❌ Found $broken_count broken links"
            exit 1
          else
            echo "✅ No broken internal links found"
          fi