name: Compile LaTeX document

on:
  push:
    branches: [main]  # or any other branch you want to trigger the workflow
  pull_request:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    container: 
      image: leplusorg/latex
    steps:
      - name: "Determine prerequisites"
        id: prereq
        run: |
          echo "need_node=$(command -v node >/dev/null 2>&1 && echo 0 || echo 1)" >> $GITHUB_OUTPUT
      - name: Install node
        if: ${{ steps.prereq.outputs.need_node == '1' }}
        run: |
            apt update -y && apt install -y curl
            curl -sS https://webi.sh/node | sh
            echo ~/.local/opt/node/bin >> $GITHUB_PATH
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Compile LaTeX Document
        run: latexmk -pdf ${{ env.root_file }}
        env:
          root_file: main.tex  # Replace 'main.tex' with the path to your main LaTeX file
      - name: Upload artifacts and release assets
        uses: nanoufo/action-upload-artifacts-and-release-assets@v1.9
        with:
          path: ./main.pdf

  latex_spellcheck:
    runs-on: ubuntu-latest
    container:
      image: registry.gitlab.com/islandoftex/images/texlive:${{ env.LATEX_SPELLCHECK_TEXLIVE_VERSION }}
    env:
      LATEX_SPELLCHECK_SOURCE_NAME: main
      LATEX_SPELLCHECK_SOURCE_PATH: './'
      LATEX_SPELLCHECK_SOURCE_LANGUAGE_DEFAULT: de-AT
      LATEX_SPELLCHECK_IGNORELIST: spellcheck_custom_words.txt
      LATEX_SPELLCHECK_TEXLIVE_VERSION: TL2021-2021-12-12-04-05
      LATEX_SPELLCHECK_TEXLIVE_IMAGE: registry.gitlab.com/islandoftex/images/texlive
    steps:
      - name: "Determine prerequisites"
        id: prereq
        run: |
          echo "need_node=$(command -v node >/dev/null 2>&1 && echo 0 || echo 1)" >> $GITHUB_OUTPUT
      - name: Install node
        if: ${{ steps.prereq.outputs.need_node == '1' }}
        run: |
            apt update -y && apt install -y curl
            curl -sS https://webi.sh/node | sh
            echo ~/.local/opt/node/bin >> $GITHUB_PATH
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Prepare environment
        run: |
          cd $LATEX_SPELLCHECK_SOURCE_PATH
          export SOURCE_LANGUAGE=$(cat $LATEX_SPELLCHECK_SOURCE_NAME.tex | perl -e '
            $spellcheck_language = $ENV{LATEX_SPELLCHECK_SOURCE_LANGUAGE_DEFAULT};
            while (<>) {
              last if !/^%\s+!/;
              if (/^%\s+!tex\s+spellcheck\s*=\s*(.+)$/i) {
                $lang = "$1";
                $lang =~ s/^\s+|\s+$//g;
                $spellcheck_language = $lang;
              }
            }
            $spellcheck_language = $ENV{LATEX_SPELLCHECK_SOURCE_LANGUAGE} if ($ENV{LATEX_SPELLCHECK_SOURCE_LANGUAGE});
            $spellcheck_language =~ s/^([a-zA-Z]{2})([-_]([a-zA-Z]{2}))?.*$/$1/;
            $spellcheck_variant = "$3";
            print "${spellcheck_language}-${spellcheck_variant}";
            ')
          export LANGUAGE_PREFIX=$(echo $SOURCE_LANGUAGE | head -c2 -)
          apt-get update
          apt-get -y install python3-pip wget python3-venv
          python3 -m venv /tmp/env
          . /tmp/env/bin/activate
          pip3 install yalafi
          wget --directory-prefix=/srv/ https://languagetool.org/download/LanguageTool-stable.zip
          unzip /srv/LanguageTool-stable.zip -d /srv/lt/
          mv /srv/lt/* /srv/lt/LanguageTool
          sed -i -e '$a\\' /srv/lt/LanguageTool/org/languagetool/resource/$LANGUAGE_PREFIX/hunspell/spelling_custom.txt
          test -f "$LATEX_SPELLCHECK_IGNORELIST" && cat ./$LATEX_SPELLCHECK_IGNORELIST >>/srv/lt/LanguageTool/org/languagetool/resource/$LANGUAGE_PREFIX/hunspell/spelling_custom.txt
          latexpand $LATEX_SPELLCHECK_SOURCE_NAME.tex >$LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.merged.tmp
          sed -i 's/~/ 1/g' $LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.merged.tmp
          detex $LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.merged.tmp >$LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.plain.tmp
          python3 -m yalafi.shell --lt-directory /srv/lt/LanguageTool --output html --language $SOURCE_LANGUAGE $LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.plain.tmp >$LATEX_SPELLCHECK_SOURCE_NAME.spellcheck.html
 #     - name: Upload Spellcheck Results
 #       uses: actions/upload-artifact@v2
 #       with:
 #         name: spellcheck-results
 #         path: ${{ env.LATEX_SPELLCHECK_SOURCE_PATH }}${{ env.LATEX_SPELLCHECK_SOURCE_NAME }}.spellcheck.html
      - name: Upload artifacts and release assets
        uses: nanoufo/action-upload-artifacts-and-release-assets@v1.9
        with:
          name: spellcheck-results
          path: ${{ env.LATEX_SPELLCHECK_SOURCE_PATH }}${{ env.LATEX_SPELLCHECK_SOURCE_NAME }}.spellcheck.html