name: Synchronise translations

on:
  schedule:
  # 22:38 GMT, every Sunday. Chosen to be a random time.
  - cron: "38 22 * * SUN"
  workflow_dispatch:

permissions:
  contents: read

jobs:
  push:
    if: github.repository_owner == 'sphinx-doc'
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install transifex client
      run: |
        mkdir -p /tmp/tx_cli && cd $_
        curl -o- https://raw.githubusercontent.com/transifex/cli/master/install.sh | bash
      shell: bash
    - name: Install dependencies
      run: pip install --upgrade babel jinja2
    - name: Extract translations from source code
      run: python utils/babel_runner.py extract
    - name: Push translations to transifex.com
      run: |
        cd sphinx/locale 
        /tmp/tx_cli/tx push --source --use-git-timestamps --workers 10
      env:
        TX_TOKEN: ${{ secrets.TX_TOKEN }}

  pull:
    permissions:
      contents: write  # for peter-evans/create-pull-request to create branch
      pull-requests: write  # for peter-evans/create-pull-request to create a PR
    if: github.repository_owner == 'sphinx-doc'
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3
    - name: Install transifex client
      run: |
        mkdir -p /tmp/tx_cli && cd $_
        curl -o- https://raw.githubusercontent.com/transifex/cli/master/install.sh | bash
      shell: bash
    - name: Install dependencies
      run: pip install --upgrade babel jinja2
    - name: Extract translations from source code
      run: python utils/babel_runner.py extract
    - name: Pull translations from transifex.com
      run: |
        cd sphinx/locale 
        /tmp/tx_cli/tx pull --translations --all --force --use-git-timestamps --workers 10
      env:
        TX_TOKEN: ${{ secrets.TX_TOKEN }}
    - name: Compile message catalogs
      run: python utils/babel_runner.py compile
    - name: Create Pull Request
      uses: peter-evans/create-pull-request@v4
      with:
        commit-message: "[internationalisation] Update translations"
        branch: bot/pull-translations
        title: "[bot]: Update message catalogues"
        labels: "internals:internationalisation"