name: Upload Python Package

on:
  push:
    branches:
      - main

permissions:
  contents: read

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      changed: ${{ steps.changed-files-specific.outputs.any_changed }}
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0  # OR "2" -> To retrieve the preceding commit.
    - name: Get changed files in the docs folder
      id: changed-files-specific
      uses: tj-actions/changed-files@v35
      with:
        files: fishy/version.txt  # Alternatively using: `docs/**` or `docs`

  deploy:
    runs-on: ubuntu-latest
    needs: check
    if: ${{ needs.check.outputs.changed == 'true' }}
    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v3
      with:
        python-version: '3.x'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install build
    - name: Build package
      run: python -m build
    - name: Publish package
      uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
      with:
        user: __token__
        password: ${{ secrets.PYPI_API_TOKEN }}