name: Translation Lint

on:
  pull_request:
    paths:
      - 'src/duckstation-qt/translations/*.ts'
      - 'src/duckstation-qt/translations/*.sh'
      - 'src/duckstation-qt/translations/*.bat'
      - 'scripts/translation/**'
      - '.github/workflows/translation-lint.yml'
  push:
    branches:
      - master
      - dev
    paths:
      - 'src/duckstation-qt/translations/*.ts'
      - 'src/duckstation-qt/translations/*.sh'
      - 'src/duckstation-qt/translations/*.bat'
      - 'scripts/translation/**'
      - '.github/workflows/translation-lint.yml'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  translation-lint:
    runs-on: ubuntu-slim
    timeout-minutes: 120
    steps:
    - uses: actions/checkout@v7
      with:
        fetch-depth: 0

    - name: Test Translation Tools
      run: python -m unittest discover -s scripts/translation/tests -v

    - name: Check Translation Catalogs
      shell: bash
      env:
        EVENT_NAME: ${{ github.event_name }}
        BASE_SHA: ${{ github.event.pull_request.base.sha }}
        HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        BEFORE_SHA: ${{ github.event.before }}
        AFTER_SHA: ${{ github.sha }}
      run: |
        if [[ "$EVENT_NAME" == "pull_request" ]]; then
          mapfile -t files < <(
            git diff --name-only --diff-filter=ACMRT "$BASE_SHA...$HEAD_SHA" -- \
              'src/duckstation-qt/translations/*.ts'
          )
        elif [[ "$EVENT_NAME" == "push" ]]; then
          mapfile -t files < <(
            git diff --name-only --diff-filter=ACMRT "$BEFORE_SHA..$AFTER_SHA" -- \
              'src/duckstation-qt/translations/*.ts'
          )
        else
          files=()
        fi

        if (( ${#files[@]} == 0 )); then
          echo "No translation files to validate."
          exit 0
        fi

        for file in "${files[@]}"; do
          python scripts/translation/validate_ts.py \
            --reject-obsolete --reject-locations "$file"
        done