vcmi/.github/workflows/qt_translation_update.yml

name: Weekly translation refresh

on:
  schedule:
    - cron: '0 0 * * 0'   # Runs every Sunday at 00:00 UTC
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  refresh:
    name: Refresh Translations
    runs-on: ubuntu-latest
    if: github.repository == 'vcmi/vcmi'

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          ref: ${{ github.ref_name }}
          fetch-depth: 0
          submodules: false

      - name: Install localization tools (lupdate & gettext)
        run: |
          sudo apt-get update && sudo apt install -y --no-install-recommends qttools5-dev-tools gettext

      - name: Update gettext files
        working-directory: launcher
        run: |
          xgettext eu.vcmi.VCMI.metainfo.xml vcmilauncher.desktop -o po/VCMI.pot --copyright-holder="VCMI Team" --package-name="VCMI"
          for file in po/*.po; do
            msgmerge --update "$file" po/VCMI.pot
          done

      - name: Update TS files (Launcher)
        working-directory: launcher
        run: |
          lupdate . -ts translation/*.ts

      - name: Update TS files (Map Editor)
        working-directory: mapeditor
        run: |
          lupdate . -ts translation/*.ts

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v8
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: bot/qt-translation-refresh/${{ github.ref_name }}
          base: ${{ github.ref_name }}
          commit-message: "Auto-update VCMI Qt translation files"
          title: "Auto-update Qt translation files"
          body: |
            This PR updates Qt translation `.ts` files generated by `lupdate`.
          add-paths: |
            launcher/translation/*.ts
            mapeditor/translation/*.ts
          delete-branch: true