name: "Optimize images with TinyPNG"

on:
  pull_request:
    branches:
      - main
    paths:
      - "**.jpg"
      - "**.jpeg"
      - "**.png"
      - "**.webp"

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.10"]
    steps:
      - uses: actions/checkout@v3
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}

      - id: changed
        uses: jitterbit/get-changed-files@v1
        with:
          format: "csv"

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: pip install tinify tqdm python-dotenv

      - name: Tinify Images
        run: |
          if [ -z "${{ steps.changed.outputs.added_modified }}" ]; then
            echo "No files changed, skipping"
            exit 0
          fi
          python .github/scripts/tinify_images.py \
            -d images \
            -ff ${{ steps.changed.outputs.added_modified }} \
            -k ${{ secrets.TINIFY_API_KEY }} \
          || exit 1

      - name: Commit changes
        uses: EndBug/add-and-commit@v9
        with:
          default_author: github_actions
          message: "Optimize images with TinyPNG"