# adapted from xarray's ci
name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  detect-skip-ci-trigger:
    name: "Detect CI Trigger: [skip-ci]"
    if: github.event_name == 'push' || github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    outputs:
      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 2
      - uses: xarray-contrib/ci-trigger@v1
        id: detect-trigger
        with:
          keyword: "[skip-ci]"

  ci:
    name: ${{ matrix.os }} ${{ matrix.env }}
    runs-on: ${{ matrix.os }}
    needs: detect-skip-ci-trigger
    defaults:
      run:
        shell: bash -l {0}

    env:
      FORCE_COLOR: 3

    if: |
      always()
      && github.repository == 'xarray-contrib/pint-xarray'
      && (
        github.event_name == 'workflow_dispatch'
        || needs.detect-skip-ci-trigger.outputs.triggered == 'false'
      )

    strategy:
      fail-fast: false
      matrix:
        env: ["tests-py311", "tests-py312", "tests-py313"]
        os: ["ubuntu-latest", "macos-latest", "windows-latest"]

    steps:
      - name: checkout the repository
        uses: actions/checkout@v5
        with:
          # need to fetch all tags to get a correct version
          fetch-depth: 0 # fetch all branches and tags

      - name: setup environment
        uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293 # 0.9.0
        with:
          environments: "${{ matrix.env }}"

      - name: investigate env variables
        run: |
          echo PYTHON_VERSION=$(pixi run -e ${{ matrix.env }} python -c 'import sys; print(".".join(map(str, sys.version_info[:2])))') >> $GITHUB_ENV
          echo RUNNER_OS="${{ matrix.os }}"

      - name: import pint-xarray
        run: |
          pixi run -e ${{ matrix.env }} python -c 'import pint_xarray'

      - name: run tests
        if: success()
        id: status
        run: |
          pixi run -e ${{ matrix.env }} tests --cov-report=xml

      - name: Upload code coverage to Codecov
        uses: codecov/codecov-action@v5.5.0
        with:
          token: "${{ secrets.CODECOV_TOKEN }}"
          files: ./coverage.xml
          flags: unittests
          env_vars: RUNNER_OS,PYTHON_VERSION
          name: codecov-umbrella
          fail_ci_if_error: false
