tx-pull.yml

name: Transifex sync
on:
  workflow_dispatch:
  schedule:
    - cron: '0 9 * * 1'

permissions:
  contents: write
  pull-requests: write

jobs:
  tx-sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup i18n-sync branch
        run: |
          # Fetch i18n-sync branch if it exists remotely
          if git ls-remote --exit-code --heads origin i18n-sync; then
            git fetch origin i18n-sync:i18n-sync
            git checkout i18n-sync
          else
            # Create new branch from main
            git checkout -b i18n-sync
          fi
      - name: Install Transifex client
        run: |
          curl -o- https://raw.githubusercontent.com/transifex/cli/master/install.sh | bash
          chmod +x ./tx
      - name: Pull translations from Transifex
        run: |
          # Pull only translated strings, leaving untranslated ones empty
          # This prevents replacing existing translations with English
          # -f: force download, always use Transifex as source of truth (ignore timestamps)
          # --mode onlytranslated: only includes translated strings, untranslated keys will be empty
          # --minimum-perc 75: only pulls files that are at least 75% translated
          # Empty strings will fallback to English at runtime via i18next
          ./tx --token "${{ secrets.TX_TOKEN }}" pull --all --force --mode onlytranslated --minimum-perc 75
      - name: Commit and push changes
        id: commit
        run: |
          # Configure git
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          # Add translation files
          git add -A public/locales

          # Check if there are changes to commit
          if git diff --staged --quiet; then
            echo "::notice::No translation changes detected from Transifex"
            {
              echo "## 📋 Transifex Sync Summary"
              echo ""
              echo "✅ **No changes detected**"
              echo ""
              echo "All translations are up to date."
            } >> "$GITHUB_STEP_SUMMARY"
            echo "changes=false" >> "$GITHUB_OUTPUT"
          else
            # Get statistics before committing
            STATS=$(git diff --staged --stat)
            FILES_CHANGED=$(git diff --staged --name-only)
            FILES_COUNT=$(echo "$FILES_CHANGED" | wc -l)

            # Commit changes
            git commit --no-verify --signoff -m "chore: pull transifex translations"
            SYNC_TIME=$(date -u +%Y-%m-%d\ %H:%M)

            # Push to remote (force to handle any conflicts)
            git push origin i18n-sync --force

            # Create GitHub annotations
            echo "::notice::Translation updates committed - $FILES_COUNT file(s) changed"

            # Create job summary
            {
              echo "## 📋 Transifex Sync Summary"
              echo ""
              echo "✅ **Translation updates found and committed**"
              echo ""
              echo "**Sync time:** $SYNC_TIME UTC"
              echo "**Files changed:** $FILES_COUNT"
              echo ""
              echo "### 📁 Changed files:"
              echo "\`\`\`"
              echo "$FILES_CHANGED"
              echo "\`\`\`"
              echo ""
              echo "### 📊 Statistics:"
              echo "\`\`\`diff"
              echo "$STATS"
              echo "\`\`\`"
            } >> "$GITHUB_STEP_SUMMARY"

            {
              echo "changes=true"
              echo "sync_time=$SYNC_TIME"
              echo "files_count=$FILES_COUNT"
            } >> "$GITHUB_OUTPUT"
          fi
      - name: Create pull request
        if: steps.commit.outputs.changes == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Check if PR already exists
          existing_pr=$(gh pr list --base main --head i18n-sync --state open --json number,url --jq '.[0]' || true)
          if [ -n "$existing_pr" ]; then
            PR_NUMBER=$(echo "$existing_pr" | jq -r '.number')
            PR_URL=$(echo "$existing_pr" | jq -r '.url')
            echo "::warning::Pull request #$PR_NUMBER already exists for i18n-sync branch"

            # Update job summary with PR info
            {
              echo ""
              echo "### 🔗 Pull Request"
              echo "⚠️ **Existing PR updated:** [#$PR_NUMBER]($PR_URL)"
            } >> "$GITHUB_STEP_SUMMARY"
          else
            # Create new PR
            body="Automated translation update from Transifex.

            **Sync time:** ${{ steps.commit.outputs.sync_time }} UTC
            **Files changed:** ${{ steps.commit.outputs.files_count }}

            - Only pulls translated strings (empty strings fallback to English)
            - Includes locales with 75%+ completion

            To contribute translations: https://app.transifex.com/ipfs/ipfs-webui/"

            PR_URL=$(gh pr create \
              --base main \
              --head i18n-sync \
              --title "chore: pull new translations" \
              --body "$body" \
              --label "area/i18n/translations" || echo "")

            if [ -n "$PR_URL" ]; then
              echo "::notice::Pull request created: $PR_URL"

              # Update job summary with PR info
              {
                echo ""
                echo "### 🔗 Pull Request"
                echo "✅ **New PR created:** $PR_URL"
              } >> "$GITHUB_STEP_SUMMARY"
            else
              echo "::error::Failed to create pull request"
            fi
          fi