name: Crowdin Upload & Sync

on:
  push:
    branches: [ master ]

permissions:
  contents: write
  pull-requests: write

jobs:
  crowdin-upload:
    runs-on: ubuntu-latest

    steps:
      - name: Fetch crowdin-translations branch
        run: |
          git fetch origin crowdin-translations:crowdin-translations || true

      - name: Checkout crowdin-translations branch
        run: git checkout crowdin-translations || git checkout -b crowdin-translations

      - name: Rebase master onto crowdin-translations
        run: git rebase master

      - name: Fail if rebase conflicts occurred
        run: |
          if [ -d .git/rebase-merge ] || [ -d .git/rebase-apply ]; then
            echo "❌ Rebase conflict detected! Please resolve conflicts in the crowdin-translations branch manually."
            exit 1
          fi

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Run export_source_strings.py
        run: python3 scripts/export_source_strings.py

      - name: Check for changes in main.ftl
        id: check_diff
        run: |
          git diff --quiet assets/translations/en-US/main.ftl assets/translations/en-XA/main.ftl || echo "changed=true" >> $GITHUB_OUTPUT

      - name: Commit changes to crowdin-translations
        if: steps.check_diff.outputs.changed == 'true'
        run: |
          git add assets/translations/en-US/main.ftl assets/translations/en-XA/main.ftl
          git commit -m "Update source strings from export_source_strings.py" || true
          git push --force origin crowdin-translations

      - name: Crowdin upload sources
        uses: crowdin/github-action@v2
        with:
          upload_sources: true
          upload_translations: false
          download_translations: false
          localization_branch_name: crowdin-translations
          create_pull_request: true
          pull_request_title: 'Crowdin Translations'
          pull_request_body: 'Crowdin translations by [Crowdin GH Action](https://github.com/crowdin/github-action)'
          pull_request_base_branch_name: 'master'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}