auto-translate.yml

name: Auto-Translate Strings

on:
  push:
    branches:
      - develop
    paths:
      - '**/en.lproj/Localizable.strings'
      - '**/en.lproj/Strings.strings'
  workflow_dispatch:
    inputs:
      base_ref:
        description: 'Base git ref (before changes)'
        required: false
        default: 'HEAD~1'
      head_ref:
        description: 'Head git ref (with changes)'
        required: false
        default: 'HEAD'
      strings_file:
        description: 'Repo-relative path to en.lproj/Localizable.strings'
        required: false
        default: 'PVUI/Sources/PVSwiftUI/Resources/en.lproj/Localizable.strings'
      languages:
        description: 'Comma-separated language codes (empty = all)'
        required: false
        default: ''
      dry_run:
        description: 'Dry run — detect keys but skip API calls'
        type: boolean
        required: false
        default: false

permissions:
  contents: write
  pull-requests: write

jobs:
  translate:
    name: Detect & translate new strings
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, '[Auto-translation]')"

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: pip install anthropic

      - name: Determine changed strings files
        id: changed_files
        run: |
          FILES=$(git diff --name-only HEAD~1 HEAD -- '**/en.lproj/*.strings' 2>/dev/null || echo "")
          echo "changed_files=$FILES" >> "$GITHUB_OUTPUT"
          echo "Changed strings files: $FILES"

      - name: Translate new/changed keys
        id: translate
        if: steps.changed_files.outputs.changed_files != ''
        env:
          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
        run: |
          set -e
          BASE_REF="${{ inputs.base_ref || 'HEAD~1' }}"
          HEAD_REF="${{ inputs.head_ref || 'HEAD' }}"
          DRY_RUN="${{ inputs.dry_run || 'false' }}"
          LANG_FLAG=""
          if [ -n "${{ inputs.languages }}" ]; then
            LANGS=$(echo "${{ inputs.languages }}" | tr ',' ' ')
            LANG_FLAG="--languages $LANGS"
          fi
          DRY_FLAG=""
          if [ "$DRY_RUN" = "true" ]; then
            DRY_FLAG="--dry-run"
          fi
          CHANGED="${{ steps.changed_files.outputs.changed_files }}"
          for FILE in $CHANGED; do
            echo "--- Processing: $FILE ---"
            OUTPUT_DIR=$(dirname $(dirname "$FILE"))
            python3 Scripts/auto_translate.py \
              --base-ref "$BASE_REF" \
              --head-ref "$HEAD_REF" \
              --strings-file "$FILE" \
              --output-dir "$OUTPUT_DIR" \
              $LANG_FLAG $DRY_FLAG
          done

      - name: Check for translation changes
        id: check_changes
        run: |
          if git diff --quiet; then
            echo "has_changes=false" >> "$GITHUB_OUTPUT"
          else
            echo "has_changes=true" >> "$GITHUB_OUTPUT"
            git diff --name-only
          fi

      - name: Create translation PR
        if: steps.check_changes.outputs.has_changes == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          BRANCH="auto-translation/$(date +%Y%m%d-%H%M%S)"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout -b "$BRANCH"
          git add -A
          git commit -m "[Auto-translation] Translate new/changed strings

          Triggered by: ${{ github.sha }}
          Source branch: ${{ github.ref_name }}

          Auto-generated by Scripts/auto_translate.py using claude-haiku-4-5-20251001.
          Please review all translations before merging."
          git push origin "$BRANCH"
          cat > /tmp/pr_body.md << 'PREOF'
          ## Auto-Translation: New/Changed Strings

          ### Review Checklist
          - [ ] 🇨🇳 Simplified Chinese (`zh-Hans`)
          - [ ] 🇯🇵 Japanese (`ja`)
          - [ ] 🇰🇷 Korean (`ko`)
          - [ ] 🇪🇸 Spanish (`es`)
          - [ ] 🇧🇷 Brazilian Portuguese (`pt-BR`)
          - [ ] 🇩🇪 German (`de`)
          - [ ] 🇫🇷 French (`fr`)
          - [ ] 🇮🇹 Italian (`it`)
          - [ ] 🇳🇱 Dutch (`nl`)
          - [ ] 🇷🇺 Russian (`ru`)
          - [ ] 🇸🇦 Arabic (`ar`)

          Part of #2871
          PREOF
          gh pr create \
            --title "[Auto-translation] New/changed strings — $(date +%Y-%m-%d)" \
            --body-file /tmp/pr_body.md \
            --base develop \
            --head "$BRANCH" \
            --draft \
            --label "translations" \
            --assignee JoeMatt \
            --repo "${{ github.repository }}" \
            2>/dev/null || true

      - name: No changes needed
        if: steps.check_changes.outputs.has_changes == 'false'
        run: echo "No translation changes produced — nothing to PR."

      - name: Skip — no strings files changed
        if: steps.changed_files.outputs.changed_files == ''
        run: echo "No en.lproj/*.strings files changed in this push."