# This is a basic workflow to help you get started with Actions

name: Test Square SVGs

# Triggers the workflow on push / pull request events but only for the svg folder
on:
  push:
    paths: svg/
  pull_request:
    paths: svg/

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

      - name: Install Inkscape
        run: sudo apt install inkscape

      - name: Check Viewbox parameters
        run: |
          # Enables globstar to recursively go through folders
          shopt -s globstar
          errArr=()
          for f in ./**/*.svg 
          do
            # Gets everything in between the viewBox quotes
            vbStr=$(cat $f)
            vbStr=${vbStr##*viewBox=\"}
            vbStr=${vbStr%%\"*}

            # sets x, y, width, height params
            vbArr=($vbStr)
            x=${vbArr[0]}
            y=$(vbArr[1]}
            w=$(vbArr[2]}
            h=$(vbArr[3]}

            # Check that x and y are 0
            if [[ $x != 0 || $y != 0 ]] ; then
              errArr+=("$f has x: $x and y: $y")
            fi

            # Check that width and height are equal
            if [[ $w != $h ]] ; then
              errArr+=("$f has width: $w and height: $h")
            fi
            
            # Check that svg is not 1 line
            if [[ $(wc -l < $f) == 0 ]] ; then
              errArr+=("$f is only one line!")
            fi
          done
      - name: Post results
        run: |
          if [[ ${#errArr[@]} != 0 ] ; then
            for errMess in "${errArr[@]}"
            do
              echo $errMess
            done
            exit 1
          fi
          echo "No Errors!