name: Generate Solutions Files

on:
  push:
    branches:
      - master
    paths:
      - source/exercises100.ktx

jobs:
  generate_files:
    runs-on: ubuntu-22.04 # Python 3.7 is not supported on latest Ubuntu

    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.7'
          cache: 'pip'

      - name: Install dependencies
        run: pip3 install -r requirements.txt

      - name: Generate solutions files
        run: python3 generators.py

      - name: Set environment variables
        run: echo "SHA_SHORT=$(git rev-parse --short $GITHUB_SHA)" >> $GITHUB_ENV

      - name: Commit changes
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "solutions update from ${{ env.SHA_SHORT }}"
          file_pattern: >
            100_Numpy_exercises.ipynb
            100_Numpy_random.ipynb
            100_Numpy_exercises.md
            100_Numpy_exercises_with_hints.md
            100_Numpy_exercises_with_hints_with_solutions.md
            100_Numpy_exercises_with_solutions.md