name: Code Formatting

on: [push]
#   push:
#     branches: [ master ]
#   pull_request:
#     branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: requirements
        run: | 
          sudo apt -qq -y update
          sudo apt -qq install clang-format 
      - uses: actions/checkout@master
        with:
          submodules: true
      - name: Setup Git Specs
        run: |
          git config --global user.name github-actions
          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
      - name: Filename Formatter
        run: |
          IFS=$'\n'
          for fname in `find . -type f -name '*.cpp' -o -name '*.h'`
          do 
            echo "${fname}"
            new_fname=`echo ${fname} | tr ' ' '_'`
            echo "      ${new_fname}"
            new_fname=`echo ${new_fname} | tr 'A-Z' 'a-z'`
            echo "      ${new_fname}"
            new_fname=`echo ${new_fname} | tr '-' '_'`
            echo "      ${new_fname}"
            if [ ${fname} != ${new_fname} ]
            then
              echo "      ${fname} --> ${new_fname}"
              git "mv" "${fname}" ${new_fname}
            fi
          done
          git commit -am "formatting filenames $GITHUB_SHA" ||  true
      - name: Clang Formatter
        run: |
          for fname in $(find . -name '*.cpp' -o -name '*.h')
          do 
            clang-format --verbose -i --style="$line1 $line2 $line3 $line4" "$fname"
          done
          git commit -am "formatting source-code for $GITHUB_SHA" ||  true
        env:
          line1: "{ BasedOnStyle: Google, UseTab: Never,"
          line2: "IndentWidth: 4, TabWidth: 4, BreakBeforeBraces: Allman,"
          line3: "AllowShortIfStatementsOnASingleLine: false, IndentCaseLabels: false,"
          line4: "ColumnLimit: 80, AccessModifierOffset: -3 }"
      # -name: Git Push
      #   run: git push