name: PR tests

on:
  pull_request:
    types: [opened, synchronize, edited, reopened]

jobs:
  build-image:
    runs-on: ubuntu-latest

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Install uv
        uses: astral-sh/setup-uv@v5

      - name: (optional) Prepare dependencies
        run: |
          uv python install --python-version-file pyproject.toml || true
          uv sync --all-groups || true
          uv add pip || true
          uv export --format requirements.txt -o requirements.txt || true

      - name: Build image
        run: |
          docker build -t semapform-api:test-pr .

      - name: Save image artifact
        run: |
          docker save semapform-api:test-pr -o semapform-api.tar

      - name: Upload image artifact
        uses: https://github.com/christopherHX/gitea-upload-artifact@v4
        with:
          name: semapform-image
          path: semapform-api.tar
          retention-days: 1

  smoke-tests:
    needs: build-image
    runs-on: ubuntu-latest

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

      - name: Download image artifact
        uses: christopherhx/gitea-download-artifact@v4
        with:
          name: semapform-image

      - name: Restore image
        run: |
          docker load -i semapform-api.tar

      - name: Start container (background)
        run: |
          docker run -d --name semapform-test semapform-api:test-pr sleep infinity

      - name: Start server in container and smoke test HTTP (in-container)
        run: |
          set -x
          # start the server inside the container (detached)
          docker exec -d semapform-test python api_service.py || true

          # show container status to aid debugging
          docker ps -a --filter name=semapform-test || true

          echo "waiting for service to become ready inside container"
          set -e
          READY=0
          for i in $(seq 1 20); do
            echo "ready attempt $i"
            if docker exec semapform-test python -c 'import urllib.request,sys; urllib.request.urlopen("http://127.0.0.1:8001/health", timeout=1); print("ok")' ; then
              READY=1
              break
            fi
            sleep 1
          done
          if [ "$READY" -ne 1 ]; then
            echo "service did not become ready"
            docker logs semapform-test --tail 200 || true
            exit 1
          fi

          echo "running test_api.py inside container"
          docker exec semapform-test python test_api.py || true

          docker logs semapform-test --tail 200 || true

      - name: Cleanup container
        if: always()
        run: |
          docker rm -f semapform-test || true