update-contributors.yml

name: 🏆 Update Contributors

on:
  push:
    branches: [main]
  pull_request:
    types: [closed]
    branches: [main]
  workflow_dispatch: # Allow manual trigger

permissions:
  contents: write
  pull-requests: write

jobs:
  update-contributors:
    runs-on: ubuntu-latest
    # Only run on push to main or when PR is merged (not just closed)
    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true)

    steps:
    - name: 📥 Checkout code
      uses: actions/checkout@v4
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        fetch-depth: 0

    - name: 🔍 Get contributor stats
      id: contributors
      run: |
        echo "📊 Fetching contributor statistics..."

        # Get contributors with commit counts, excluding GitHub Actions users
        contributors=$(curl -s "https://api.github.com/repos/${{ github.repository }}/contributors?per_page=100" | \
          jq -r '.[] | select(.login != "github-actions[bot]" and .login != "actions-user" and .type != "Bot") | "\(.login) \(.contributions)"')

        echo "Contributors found (excluding bots):"
        echo "$contributors"

        # Count total contributors (excluding bots)
        total_contributors=$(echo "$contributors" | grep -v '^$' | wc -l)
        echo "total_contributors=$total_contributors" >> $GITHUB_OUTPUT

        # Get top contributors
        top_contributors=$(echo "$contributors" | head -10)
        echo "top_contributors<<EOF" >> $GITHUB_OUTPUT
        echo "$top_contributors" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: 📊 Update repository stats
      run: |
        echo "📊 Updating repository statistics..."

        # Update stats in README.md
        if [ -f "README.md" ]; then
          # Update contributor count in README
          sed -i "s/🎯 \*\*[0-9]*+ Contributors\*\*/🎯 **${{ steps.contributors.outputs.total_contributors }}+ Contributors**/g" README.md

          echo "✅ Updated README.md with new contributor count"
        fi

        # Update stats in HALL_OF_FAME.md
        if [ -f "HALL_OF_FAME.md" ]; then
          # Update contributor count in Hall of Fame
          sed -i "s/\*\*Total 2024 Contributors: [0-9]*+ Amazing Developers!\*\*/\*\*Total 2024 Contributors: ${{ steps.contributors.outputs.total_contributors }}+ Amazing Developers!\*\*/g" HALL_OF_FAME.md
          sed -i "s/We extend our heartfelt gratitude to all \*\*[0-9]*+ contributors\*\*/We extend our heartfelt gratitude to all **${{ steps.contributors.outputs.total_contributors }}+ contributors**/g" HALL_OF_FAME.md
          sed -i "s/| 👥 \*\*Total Contributors\*\* | [0-9]*+ Amazing Developers |/| 👥 **Total Contributors** | ${{ steps.contributors.outputs.total_contributors }}+ Amazing Developers |/g" HALL_OF_FAME.md

          echo "✅ Updated HALL_OF_FAME.md with new contributor count"
        fi

    - name: 📈 Update language statistics
      run: |
        echo "📈 Updating language statistics..."

        # Count files by language
        c_files=$(find C/ -name "*.c" 2>/dev/null | wc -l || echo 0)
        cpp_files=$(find CPP/ -name "*.cpp" 2>/dev/null | wc -l || echo 0)
        java_files=$(find Java/ -name "*.java" 2>/dev/null | wc -l || echo 0)
        python_files=$(find Python/ -name "*.py" 2>/dev/null | wc -l || echo 0)
        js_files=$(find . -name "*.js" -not -path "./node_modules/*" 2>/dev/null | wc -l || echo 0)
        go_files=$(find . -name "*.go" 2>/dev/null | wc -l || echo 0)
        rust_files=$(find . -name "*.rs" 2>/dev/null | wc -l || echo 0)

        total_implementations=$((c_files + cpp_files + java_files + python_files + js_files + go_files + rust_files))

        echo "📊 Language Statistics:"
        echo "C: $c_files files"
        echo "C++: $cpp_files files"
        echo "Java: $java_files files"
        echo "Python: $python_files files"
        echo "JavaScript: $js_files files"
        echo "Go: $go_files files"
        echo "Rust: $rust_files files"
        echo "Total: $total_implementations implementations"

        # Count supported languages
        supported_languages=4 # Base languages: C, C++, Java, Python
        [ $js_files -gt 0 ] && supported_languages=$((supported_languages + 1))
        [ $go_files -gt 0 ] && supported_languages=$((supported_languages + 1))
        [ $rust_files -gt 0 ] && supported_languages=$((supported_languages + 1))

        echo "Supported languages: $supported_languages"

        # Update README stats
        if [ -f "README.md" ]; then
          sed -i "s/💻 \*\*[0-9]*+ Languages\*\*/💻 **${supported_languages}+ Languages**/g" README.md
        fi

    - name: 📅 Update last modified date
      run: |
        echo "📅 Updating last modified date..."
        current_date=$(date +"%B %Y")

        if [ -f "HALL_OF_FAME.md" ]; then
          sed -i "s/\*Last updated: .* [0-9]*\*/\*Last updated: $current_date\*/g" HALL_OF_FAME.md
          echo "✅ Updated last modified date in HALL_OF_FAME.md"
        fi

    - name: 🔍 Check for changes
      id: changes
      run: |
        if git diff --quiet; then
          echo "No changes to commit"
          echo "has_changes=false" >> $GITHUB_OUTPUT
        else
          echo "Changes detected"
          echo "has_changes=true" >> $GITHUB_OUTPUT
          echo "Changed files:"
          git diff --name-only
        fi

    - name: 💾 Commit and push changes
      if: steps.changes.outputs.has_changes == 'true'
      run: |
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"

        git add README.md HALL_OF_FAME.md

        git commit -m "🏆 Auto-update contributor statistics

        - Updated contributor count: ${{ steps.contributors.outputs.total_contributors }}+ amazing developers
        - Refreshed repository statistics
        - Updated last modified date

        🤖 Generated by GitHub Actions"

        git push

    - name: 📋 Generate summary
      run: |
        echo "🏆 Contributors Update Summary"
        echo "=============================="
        echo ""
        echo "📊 Statistics:"
        echo "  👥 Total Contributors: ${{ steps.contributors.outputs.total_contributors }}"
        echo "  🔥 Repository Status: Active"
        echo "  📅 Last Updated: $(date)"
        echo ""
        echo "🎉 Contributor statistics updated successfully!"

        if [ "${{ steps.changes.outputs.has_changes }}" == "true" ]; then
          echo "✅ Changes committed and pushed"
        else
          echo "ℹ️ No changes needed"
        fi