name: Ruby Gem CI/CD

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

jobs:
  build-and-publish:
    name: Build and Publish Gem
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - name: Set up Ruby 3.2.2
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: '3.2.2'

    - name: Install dependencies
      run: bundle install

    - name: Build Gem
      run: gem build *.gemspec

    - name: Push to RubyGems
      run: |
        mkdir -p $HOME/.gem
        touch $HOME/.gem/credentials
        chmod 0600 $HOME/.gem/credentials
        printf -- "---\n:rubygems_api_key: ${RUBYGEMS_AUTH_TOKEN}\n" > $HOME/.gem/credentials
        gem push *.gem
      env:
        RUBYGEMS_AUTH_TOKEN: ${{ secrets.RUBYGEMS_AUTH_TOKEN }}

    - name: Tag Incremental Version
      if: github.event_name == 'push' && startsWith(github.ref, 'refs/heads/main')
      run: |
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git tag -a v$(date +'%Y%m%d%H%M%S') -m "Automated tag from GitHub Actions"
        git push origin --tags