name: CI/CD
on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Compile LaTeX document
        uses: xu-cheng/latex-action@v2
        with:
          root_file: |
            a4.tex
            a5.tex
            a6.tex
          working_directory: latex
          latexmk_use_lualatex: true
      
      - uses: actions/upload-artifact@v2
        with:
          name: pdfs
          path: latex/*.pdf
  update-readme:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      
      - uses: actions/setup-node@v2
        with:
          node-version: '12'
      
      - name: Build READM.md
        run: node scripts/readme.js > README.md

      - uses: EndBug/add-and-commit@v7
        with:
          add: README.md
          author_name: Git Actions
          author_email: gitactions@example.com
          message: Updated README.md
  release:
    needs: [build]
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v2
        with:
          name: pdfs

      - name: Display structure of downloaded files
        run: ls -R

      - name: Create Release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: v1.${{ github.run_id }}
          release_name: Release v1.${{ github.run_id }}
          draft: false
          prerelease: false

      - name: Upload A4 Asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
          asset_path: ./a4.pdf
          asset_name: a4.pdf
          asset_content_type: application/pdf
          
      - name: Upload A5 Asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
          asset_path: ./a5.pdf
          asset_name: a5.pdf
          asset_content_type: application/pdf

      - name: Upload A6 Asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
          asset_path: ./a6.pdf
          asset_name: a6.pdf
          asset_content_type: application/pdf