ci.yml

name: CI

on:
  push:
    branches: [main, modernize-rust-core]
    tags: ["v*"]
  pull_request:

permissions:
  contents: read

jobs:
  # --- Rust core: format, lint, unit tests (pure Rust, no Python) ---
  core-test:
    name: core (rust test)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt
      - name: rustfmt
        run: cargo fmt --manifest-path core/Cargo.toml --check
      - name: clippy
        run: cargo clippy --manifest-path core/Cargo.toml --all-targets -- -D warnings
      - name: cargo test
        run: cargo test --manifest-path core/Cargo.toml

  # --- Build abi3 wheels per platform and smoke-test the import on each OS.
  #     This is the cross-platform "does the abi3 wheel import + run" spike. ---
  core-wheels:
    name: core wheels (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            target: x86_64
          - os: macos-latest
            target: universal2-apple-darwin
          - os: windows-latest
            target: x64
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.9"
      - name: Build wheel (maturin, abi3)
        uses: PyO3/maturin-action@v1
        with:
          command: build
          args: --release --manifest-path core/Cargo.toml --out dist
          target: ${{ matrix.target }}
          manylinux: auto
          sccache: true
      - name: Smoke-test the wheel (import + run tests)
        shell: bash
        run: |
          python -m pip install --upgrade pip
          python -m pip install numpy pytest
          python -m pip install --no-index --find-links dist isobenefit
          python -m pytest core/tests_py -q
      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}
          path: dist/*.whl

  # --- Source distribution (lets pip build from source when no wheel matches) ---
  core-sdist:
    name: core sdist
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Build sdist
        uses: PyO3/maturin-action@v1
        with:
          command: sdist
          args: --manifest-path core/Cargo.toml --out dist
      - uses: actions/upload-artifact@v4
        with:
          name: wheels-sdist
          path: dist/*.tar.gz

  # --- Publish to PyPI on a version tag (e.g. v0.1.0) via trusted publishing ---
  core-publish:
    name: publish core to PyPI
    needs: [core-test, core-wheels, core-sdist]
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: dist
          pattern: wheels-*
          merge-multiple: true
      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: dist

  # --- Plugin test suite (headless): the pure pipeline (grid/routing/osm helpers) against a
  #     freshly built engine wheel, so plugin<->core drift is caught in CI, not in QGIS. ---
  plugin-tests:
    name: plugin (pytest vs fresh wheel)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
      - name: Build engine wheel (maturin, abi3)
        uses: PyO3/maturin-action@v1
        with:
          command: build
          args: --release --manifest-path core/Cargo.toml --out dist
          manylinux: auto
          sccache: true
      - name: Run the plugin test suite
        run: |
          python -m pip install --upgrade pip
          python -m pip install numpy shapely pytest
          python -m pip install --no-index --find-links dist isobenefit
          python -m pytest tests -q

  # --- Build the QGIS plugin zip (the isobenefit_qgis/ folder only, never core/) ---
  plugin:
    name: plugin (lint + zip)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
      - name: Lint
        run: |
          python -m pip install ruff
          ruff check isobenefit_qgis
      - name: Build plugin zip
        run: |
          mkdir -p dist
          # the plugin repository requires a licence file inside the zip
          cp LICENSE isobenefit_qgis/LICENSE
          zip -r dist/isobenefit_qgis.zip isobenefit_qgis \
            -x '*/__pycache__/*' '*.pyc'
      - uses: actions/upload-artifact@v4
        with:
          name: plugin-zip
          path: dist/isobenefit_qgis.zip