name: CI

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]

jobs:
  test:
    name: Tests (Python ${{ matrix.python-version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ['3.11']
    env:
      # Skip the ~350 MB Hugging Face download in CI; detectors degrade gracefully.
      DOCFORENSICS_DISABLE_AI_MODEL: '1'
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip

      - name: Install system dependencies
        run: sudo apt-get update && sudo apt-get install -y tesseract-ocr

      - name: Install CPU PyTorch
        run: pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu

      - name: Install Python dependencies
        run: pip install -r requirements.txt

      - name: Run test suite
        run: pytest tests/ -v --maxfail=1

  docker-build:
    name: Build Docker image
    runs-on: ubuntu-latest
    needs: test
    steps:
      - uses: actions/checkout@v4

      - name: Set up Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build image (no push)
        uses: docker/build-push-action@v6
        with:
          context: .
          push: false
          tags: docforensics:ci
          cache-from: type=gha
          cache-to: type=gha,mode=max