# Copyright Broadcom, Inc. All Rights Reserved.
# SPDX-License-Identifier: APACHE-2.0

name: '[CI/CD] Values ASCII validator'
on:
  pull_request:
    branches:
      - main
    paths:
      - '**/values.yaml'
# Remove all permissions by default
permissions: {}
jobs:
  values-ascii:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout project
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
      - name: Values ASCII validator
        env:
          DIFF_URL: "${{github.event.pull_request.diff_url}}"
          TEMP_FILE: "${{runner.temp}}/pr-${{github.event.number}}.diff"
          TEMP_OUTPUT: "${{runner.temp}}/output"
        run: |
          # This request doesn't consume API calls.
          curl -Lkso $TEMP_FILE $DIFF_URL
          files_changed="$(sed -nr 's/[\-\+]{3} [ab]\/(.*)/\1/p' $TEMP_FILE | sort | uniq)"
          values_files="$(echo "$files_changed" | grep -o ".*values\.yaml$" | sort | uniq || true)"
          # Create an empty file, useful when the PR changes ignored files
          touch "${TEMP_OUTPUT}"
          grep -nHP "[\x80-\xFF]" "${values_files[@]}" | sort -u > ${TEMP_OUTPUT} || true
          while read -r line; do
            # line format:
            #   file:row:message
            # Split by ':'
            readarray -d : -t strarr < <(printf '%s' "$line")
            if [[ "${#strarr[@]}" -ge 3 ]]; then
              echo "::warning file=${strarr[0]},line=${strarr[1]}:: Non ASCII character in '${strarr[@]:2}'"
            else
              echo "::warning:: Error processing: ${line}"
            fi
          done < "${TEMP_OUTPUT}"
          if [[ -s ${TEMP_OUTPUT} ]]; then
            echo "::error:: Please review warning messages"
            exit 1
          fi