name: "Export Tutorials"

on:
  workflow_dispatch:
  push:
    branches:
      - "dev"
      - "master"
    paths:
      - 'tutorials/**/*.ipynb'

jobs:
  export_tutorials:
    permissions: write-all
    runs-on: ubuntu-latest
    env:
      TUTORIAL_TIMEOUT: 1200s
    steps:
    - uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: 3.8

    - name: Install dependencies
      run: |
        # Dependencies for tutorials
        python3 -m pip install --upgrade pip .[tutorial] black[jupyter]
    - name: Setup FFmpeg
      uses: FedericoCarboni/setup-ffmpeg@v2

    - id: files
      uses: jitterbit/get-changed-files@v1
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        format: space-delimited

    - name: Configure git
      run: |
        git config user.name "github-actions[bot]"
        git config user.email 41898282+github-actions[bot]@users.noreply.github.com

    - name: Export tutorials to .py and .html
      run: |
        set -x
        for file in ${{ steps.files.outputs.all }}; do
          if [[ $file == *.ipynb ]]; then
            filename=$(basename $file)
            pyfilename=$(echo ${filename%?????})py
            timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert $file --to python --output $pyfilename --output-dir=$(dirname $file)
            htmlfilename=$(echo ${filename%?????} | sed -e 's/-//g')html
            htmldir="docs/source"/$(echo ${file%??????????????} | sed -e 's/-//g')
            timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert --execute $file --to html --output $htmlfilename --output-dir=$htmldir
          fi
        done
        set +x
        
    - name: Run formatter
      run: black tutorials/

    - uses: benjlevesque/short-sha@v2.1
      id: short-sha

    - name: Remove unwanted files
      run: |
        rm -rf build/ tutorials/tutorial4/data/

    - name: Create Pull Request
      uses: peter-evans/create-pull-request@v5.0.2
      with:
        labels: maintenance
        title: Export tutorial changed in ${{ steps.short-sha.outputs.sha }}
        branch: export-tutorial-${{ steps.short-sha.outputs.sha }}
        base: ${{ github.head_ref }}
        commit-message: export tutorials changed in ${{ steps.short-sha.outputs.sha }}
        delete-branch: true