name: _Build Python packages

on:
  workflow_call:
    inputs:
      expected_version:
        description: Expected release version; omit for a consistency-only check
        required: false
        default: ''
        type: string
      upload_artifacts:
        description: Upload distributions for later publish jobs
        required: false
        default: false
        type: boolean

permissions:
  contents: read

jobs:
  distributions:
    name: Build Python distributions
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
        with:
          persist-credentials: false

      - name: Set up Python
        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
        with:
          python-version: '3.11'

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install build packaging pytest twine

      - name: Validate package versions
        if: inputs.expected_version == ''
        run: python scripts/bump_version.py --check

      - name: Validate release version
        if: inputs.expected_version != ''
        env:
          EXPECTED_VERSION: ${{ inputs.expected_version }}
        run: python scripts/bump_version.py --check --expected-version "${EXPECTED_VERSION}"

      - name: Run package tests
        run: PYTHONPATH=. python -m pytest tests/unit/test_package_versions.py -q

      - name: Build and check distributions
        run: |
          mkdir -p dist/reme
          python -m build --outdir dist/reme
          python -m twine check dist/reme/*

      - name: Verify distributions and isolated installation
        run: |
          REME_WHEEL="$(pwd)/$(ls dist/reme/reme_ai-[0-9]*.whl)"
          python -m zipfile -l "${REME_WHEEL}" | (! grep 'reme/web/')
          python -m zipfile -l "${REME_WHEEL}" | (! grep 'reme_studio/')
          python -m venv "${RUNNER_TEMP}/reme-package-smoke"
          "${RUNNER_TEMP}/reme-package-smoke/bin/python" -m pip install "${REME_WHEEL}[as]"
          cd "${RUNNER_TEMP}"
          "${RUNNER_TEMP}/reme-package-smoke/bin/python" -c "import reme"

      - name: Verify released core dependencies
        if: inputs.expected_version != ''
        run: |
          REME_WHEEL="$(pwd)/$(ls dist/reme/reme_ai-[0-9]*.whl)"
          python -m venv "${RUNNER_TEMP}/reme-core-package-smoke"
          "${RUNNER_TEMP}/reme-core-package-smoke/bin/python" -m pip install "${REME_WHEEL}[core]"
          cd "${RUNNER_TEMP}"
          "${RUNNER_TEMP}/reme-core-package-smoke/bin/python" - <<'PY'
          from reme_studio import static_dir

          assert (static_dir() / "index.html").is_file()
          PY

      - name: Upload ReMe distributions
        if: inputs.upload_artifacts
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
        with:
          name: reme-distributions
          path: dist/reme/
          if-no-files-found: error