name: coverage
on: [push]
jobs:
  coverage:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v3
      - name: Use Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "16.x"
      - name: Install dependencies
        run: npm ci
      - name: Generate test coverage
        run: npm run test -- --coverage --coverageReporters="json-summary"
      - name: Output code coverage percentage
        id: coverage_percentage
        run: echo "::set-output name=value::$(jq '.total.lines.pct' ./coverage/coverage-summary.json)"
      - name: Output code coverage hsl hue
        id: hsl_hue
        env:
          CC_MAX: 90
          CC_MIN: 30
        run: echo "::set-output name=value::$(echo 'Math.floor((Math.max('$CC_MIN',Math.min('$CC_MAX',${{ steps.coverage_percentage.outputs.value }})) - '$CC_MIN') / ('$CC_MAX' - '$CC_MIN') * 120)' | node -p)"
      - name: Output code coverage color
        id: color
        run: echo "::set-output name=value::$(echo 'hsl(${{ steps.hsl_hue.outputs.value }},75%,50%)')"
      - name: Build-A-Badge coverage
        uses: peterrhodesdev/build-a-badge@v1.1.1
        with:
          label: "coverage"
          message: "${{ steps.coverage_percentage.outputs.value }}%"
          color: "\"${{ steps.color.outputs.value }}\""
          namedLogo: jest