# This file is autogenerated by maturin v1.8.4
# To update, run
#
#    maturin generate-ci github
#
name: CI

on:
  push:
    branches:
      - main
    tags:
      - '*'
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  linux:
    runs-on: ${{ matrix.platform.runner }}
    strategy:
      matrix:
        platform:
          - runner: ubuntu-latest
            target: x86_64-unknown-linux-gnu

    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: 3.x

      - name: Cache Rust and sccache
        uses: actions/cache@v4
        with:
          path: |
            ${{ runner.temp }}/cargo
            ${{ runner.temp }}/rustup
            ~/.cache/pip
            ~/.cache/pip-wheel
            ~/.cache/sccache
          key: rust-cache-${{ matrix.platform.target }}-${{ hashFiles('**/Cargo.lock') }}-${{ runner.os }}-${{ github.ref }}
          restore-keys: |
            rust-cache-${{ matrix.platform.target }}-${{ runner.os }}-
            rust-cache-${{ runner.os }}-

      - name: Install Rust (rustup) if needed
        run: |
          set -e
          export RUSTUP_HOME="${{ runner.temp }}/rustup"
          export CARGO_HOME="${{ runner.temp }}/cargo"
          export PATH="$CARGO_HOME/bin:$PATH"
          if ! command -v rustc >/dev/null 2>&1; then
            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
            source "$CARGO_HOME/env" 2>/dev/null || true
            rustup default nightly
            rustup target add x86_64-unknown-linux-gnu
            rustup target add x86_64-pc-windows-msvc
          fi
        shell: bash

      - name: Install sccache and maturin
        run: |
          export RUSTUP_HOME="${{ runner.temp }}/rustup"
          export CARGO_HOME="${{ runner.temp }}/cargo"
          export PATH="$CARGO_HOME/bin:$PATH"
          python -m pip install --upgrade pip
          pip install maturin cargo-xwin
          if ! command -v sccache >/dev/null 2>&1; then
            cargo install sccache || pip install sccache
          fi
        shell: bash

      - name: Build wheels
        run: |
          export CARGO_HOME="${{ runner.temp }}/cargo"
          export PATH="$CARGO_HOME/bin:$PATH"
          maturin sdist --out dist
          maturin build --release --out dist --target x86_64-unknown-linux-gnu
          maturin build --release --out dist --target x86_64-pc-windows-msvc

      - name: Upload wheels
        uses: actions/upload-artifact@v3.2.2
        with:
          path: dist/kmeans-*

  release:
    name: Release
    runs-on: ubuntu-latest
    if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
    needs: [linux]
    permissions:
      # Use to sign the release artifacts
      id-token: write
      # Used to upload release artifacts
      contents: write
      # Used to generate artifact attestation
      attestations: write
    steps:
      - uses: actions/download-artifact@v4
      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v2
        with:
          subject-path: 'wheels-*/*'
      - name: Publish to PyPI
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        uses: PyO3/maturin-action@v1
        env:
          MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
        with:
          command: upload
          args: --non-interactive --skip-existing wheels-*/*