name: crowdin
on:
  workflow_dispatch:
  schedule:
    - cron: '0 3 * * *' # Daily at 03:00

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      latest_release_branch: ${{ steps.find_latest_release.outputs.branch }}
    steps:
    - id: find_latest_release
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GITHUB_REPOSITORY: ${{ github.repository }}
      run: |
        BRANCH=$(curl -H "Authorization: token $GITHUB_TOKEN" \
          https://api.github.com/repos/$GITHUB_REPOSITORY/branches?protected=true | \
          jq -r .[].name | grep "release/" | sort -r | head -1
        )
        if [ "$BRANCH" = "" ]; then
          echo "Invalid release branch found: $BRANCH"
          exit 1
        fi

        echo "::set-output name=branch::${BRANCH}"
        echo "::set-output name=crowdin_release_branch::release"

  crowdin:
    runs-on: ubuntu-latest
    needs: setup
    timeout-minutes: 60
    strategy:
      max-parallel: 1
      matrix:
        branch:
          - dev
          - "${{ needs.setup.outputs.latest_release_branch }}"
    steps:
      - uses: actions/checkout@v2
        with:
          ref: ${{ matrix.branch }}
          fetch-depth: 1
      - name: "Set crowdin branch name"
        id: vars
        env:
          BRANCH: ${{ matrix.branch }}
        run: |
          echo "Setting crowdin branch from $BRANCH"
          if [ "$BRANCH" = "dev" ]; then
            echo "::set-output name=crowdin_branch::dev"
          else
            echo "::set-output name=crowdin_branch::release"
          fi
      - name: "Updating translations"
        uses: crowdin/github-action@1.4.4
        with:
          # Upload current source files
          upload_sources: true
          # Download updated translations
          download_translations: true
          # Which version branch to push to
          crowdin_branch_name: ${{ steps.vars.outputs.crowdin_branch }}
          # Dont create a PR for the updated translations
          push_translations: false
        env:
          OPENPROJECT_CROWDIN_PROJECT: ${{ secrets.OPENPROJECT_CROWDINV2_PROJECT }}
          OPENPROJECT_CROWDIN_API_KEY: ${{ secrets.OPENPROJECT_CROWDINV2_API_KEY }}
      - name: "Commit translations"
        run: |
          git config user.name "OpenProject Actions CI"
          git config user.email "operations+ci@openproject.com"
          echo "Updating combined translations"
          git ls-files -m -o | grep 'crowdin\/.*\.yml$' | xargs git add
          git diff --staged --name-only
          git diff --staged --exit-code --quiet || ( git commit -m "update locales from crowdin [ci skip]" && git pull --rebase && git push origin $BRANCH )