name: Lint check
run-name: Lint code
on:
  pull_request:
  push:
    branches:
      - master

env:
  PYTHON_VERSION: 3.8

jobs:
  changed-files:
    runs-on: ubuntu-latest
    name: Get changed files
    outputs:
      any_docs_changed: ${{ steps.changed-doc-files.outputs.any_changed }}
      any_python_changed: ${{ steps.changed-python-files.outputs.any_changed }}
      changed_doc_files: ${{ steps.changed-doc-files.outputs.all_changed_files }}
      changed_python_files: ${{ steps.changed-python-files.outputs.all_changed_files }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - name: Get changed docs files
        id: changed-doc-files
        uses: tj-actions/changed-files@v44
        with:
          files: |
            docs/**
      - name: Get changed docs files
        id: changed-python-files
        uses: tj-actions/changed-files@v44
        with:
          files: |
            **.py

  python-setup:
    runs-on: ubuntu-latest
    name: Setup python and poetry
    steps:
      - uses: actions/checkout@v4
      - name: Install Python tools
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION }}
          cache: poetry
      - uses: abatilo/actions-poetry@v2
      - name: Install dependencies
        run: poetry install --all-extras
    

  format:
    if: needs.changed-files.outputs.any_python_changed == 'true'
    runs-on: ubuntu-latest
    name: Check formatting
    needs: [changed-files, python-setup]
    steps:
      - name: Check code formatting
        uses: liskin/gh-problem-matcher-wrap@v3
        with:
          linters: isort
          run: poetry run poe check-format ${{ needs.changed-files.outputs.changed_python_files }}

  lint:
    if: needs.changed-files.outputs.any_python_changed == 'true'
    runs-on: ubuntu-latest
    name: Check linting
    needs: [changed-files, python-setup]
    steps:
      - name: Lint code
        uses: liskin/gh-problem-matcher-wrap@v3
        with:
          linters: flake8
          run: poetry run poe lint ${{ needs.changed-files.outputs.changed_python_files }}

  mypy:
    if: needs.changed-files.outputs.any_python_changed == 'true'
    runs-on: ubuntu-latest
    name: Check types with mypy
    needs: [changed-files, python-setup]
    steps:
      - name: Type check code
        uses: liskin/gh-problem-matcher-wrap@v3
        continue-on-error: true
        with:
          linters: mypy
          run: poetry run poe check-types --show-column-numbers --no-error-summary ${{ needs.changed-files.outputs.changed_python_files }}

  docs:
    if: needs.changed-files.outputs.any_docs_changed == 'true'
    runs-on: ubuntu-latest
    name: Check docs
    needs: [changed-files, python-setup]
    steps:
      - uses: sphinx-doc/github-problem-matcher@master
        name: Build docs
        with:
          run: poetry run poe docs