name: Build LaTeX Document

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  build-latex:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install LaTeX
        run: |
          sudo apt-get update
          sudo apt-get install -y texlive-latex-base texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended

      - name: Compile LaTeX document
        run: |
          pdflatex -interaction=nonstopmode main.tex
          pdflatex -interaction=nonstopmode main.tex  # run twice for refs

      - name: Upload PDF artifact
        uses: actions/upload-artifact@v3
        with:
          name: main-pdf
          path: main.pdf