name: Crowdin (pull)

on:
  schedule:
    - cron: '0 7 * * MON' # every monday at 7 am
  workflow_dispatch:

concurrency:
  group: i18n-management

jobs:
  pull_translations:
    name: 'Pull translations from Crowdin'
    runs-on: ubuntu-22.04
    if: github.ref == 'refs/heads/main'
    concurrency:
      group: i18n-pull:${{ github.ref }}
      cancel-in-progress: true
    steps:
      - name: Preflight check
        run: |
          PREFLIGHT_CHECK_RESULT=true

          function flight_failure () {
            if [ "$PREFLIGHT_CHECK_RESULT" = true ]; then
              echo "One or more pre-flight checks failed!"
              echo ""
              PREFLIGHT_CHECK_RESULT=false
            fi
            echo "- $1"
          }

          if [ "$CROWDIN_PROJECT_ID_DEFINED" != true ]; then
            flight_failure "CROWDIN_PROJECT_ID variable is not defined (required to push)"
          fi

          if [ "$CROWDIN_PERSONAL_TOKEN_DEFINED" != true ]; then
            flight_failure "CROWDIN_PERSONAL_TOKEN secret is not defined (required to push)"
          fi

          if [ "$CROWDIN_GH_TOKEN_DEFINED" != true ]; then
            flight_failure "CROWDIN_GH_TOKEN secret is not defined (required to make pull requests)"
          fi

          if [ "$PREFLIGHT_CHECK_RESULT" = false ]; then
            exit 1
          fi
        env:
          CROWDIN_PROJECT_ID_DEFINED: ${{ vars.CROWDIN_PROJECT_ID != '' }}
          CROWDIN_PERSONAL_TOKEN_DEFINED: ${{ secrets.CROWDIN_PERSONAL_TOKEN != '' }}
          CROWDIN_GH_TOKEN_DEFINED: ${{ secrets.CROWDIN_GH_TOKEN != '' }}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}
          token: ${{ secrets.CROWDIN_GH_TOKEN }}

      - name: Configure Git author
        id: git-author
        uses: MarcoIeni/git-config@v0.1
        env:
          GITHUB_TOKEN: ${{ secrets.CROWDIN_GH_TOKEN }}

      # # Because --all flag of Crowdin CLI is currently broken we need to create a fake source file
      # # so that the CLI won't omit translations for it. See https://github.com/crowdin/crowdin-cli/issues/724
      # - name: Write fake sources
      #   shell: bash
      #   run: echo "{}" > locales/en-US/index.json

      - name: Query branch name
        id: branch-name
        shell: bash
        run: |
          BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)
          SAFE_BRANCH_NAME=$(echo "$BRANCH_NAME" | sed -e "s/[\\\\/\\:*?\"<>|]/_/g")
          echo "Branch name is $BRANCH_NAME (escaped as $SAFE_BRANCH_NAME)"
          echo "branch_name=$BRANCH_NAME" >> "$GITHUB_OUTPUT"
          echo "safe_branch_name=$SAFE_BRANCH_NAME" >> "$GITHUB_OUTPUT"

      - name: Download translations from Crowdin
        uses: crowdin/github-action@v2
        with:
          upload_sources: false
          upload_translations: false
          download_translations: true
          push_translations: false
          create_pull_request: false
          crowdin_branch_name: '[${{ github.repository_owner }}.${{ github.event.repository.name }}] ${{ steps.branch-name.outputs.safe_branch_name }}'
        env:
          CROWDIN_PROJECT_ID: ${{ vars.CROWDIN_PROJECT_ID }}
          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}

      - name: Fix broken permissions
        shell: bash
        run: sudo chown -R $USER:$USER .

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          title: 'New translations from Crowdin (${{ steps.branch-name.outputs.branch_name }})'
          body-path: .github/templates/crowdin-pr.md
          commit-message: 'New translations from Crowdin (${{ steps.branch-name.outputs.branch_name }})'
          branch: crowdin-pull/${{ steps.branch-name.outputs.branch_name }}
          author: '${{ steps.git-author.outputs.name }} <${{ steps.git-author.outputs.email }}>'
          committer: '${{ steps.git-author.outputs.name }} <${{ steps.git-author.outputs.email }}>'
          labels: sync
          token: ${{ secrets.CROWDIN_GH_TOKEN }}