name: Code Coverage

# Runs PHPUnit with code coverage enabled, commits the html report to
# GitHub Pages, generates a README badge with the coverage percentage.
#
# Requires a gh-pages branch already created.
#
#  git checkout --orphan gh-pages
#  touch index.html
#  git add index.html
#  git commit -m 'Set up gh-pages branch' index.html
#  git push origin gh-pages
#
# @author BrianHenryIE

on:
  push:
    branches:
      - master

jobs:
  tests:
    runs-on: ubuntu-latest

    steps:

      - name: Git checkout
        uses: actions/checkout@v2

      - name: Install PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '7.4'
          coverage: xdebug

      - name: Checkout GitHub Pages branch for code coverage report
        uses: actions/checkout@v2
        with:
          ref: gh-pages
          path: tests/reports/html

      - name: Install dependencies
        run: composer install --prefer-dist --no-suggest --no-progress

      - name: Clear previous code coverage
        run: |
          cd tests/reports/html
          rm -rf *
          cd ../../..

      - name: Run tests with code coverage
        run:  XDEBUG_MODE=coverage vendor/bin/phpunit --coverage-text --coverage-clover tests/reports/clover.xml --coverage-html tests/reports/html

      - name: Edit phpcov html output to work with gh-pages
        run: |
          cd tests/reports/html
          mv _css css; find . -depth -name '*.html' -exec sed -i "s/_css\//css\//" {} +
          mv _icons icons; find . -depth -name '*.html' -exec sed -i "s/_icons\//icons\//" {} +
          mv _js js; find . -depth -name '*.html' -exec sed -i "s/_js\//js\//" {} +
          git add *
          cd ../../..

      - name: Commit code coverage to gh-pages
        uses: stefanzweifel/git-auto-commit-action@v4.1.1
        with:
          repository: tests/reports/html
          branch: gh-pages
          commit_message: "🤖 Commit code coverage to gh-pages"
          commit_options:
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

      - name: Update README badge
        run: vendor/bin/php-coverage-badger tests/reports/clover.xml .github/coverage.svg

      - name: Commit code coverage badge
        uses: stefanzweifel/git-auto-commit-action@v4.1.1
        with:
          commit_message: "🤖 Commit code coverage badge"