name: Package

on:
  pull_request:
    paths:
      - src/**

jobs:
  verify:
    name: Verify
    runs-on: Ubuntu-20.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Fetch branch from where the PR started
        run: git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*

      - name: Find packages
        id: find-packages
        run: echo "::set-output name=packages::$(php .github/get-modified-packages.php $(find src/Symfony -mindepth 2 -type f -name composer.json -printf '%h\n' | jq -R -s -c 'split("\n")[:-1]') $(git diff --name-only origin/${{ github.base_ref }} HEAD | grep src/ | jq -R -s -c 'split("\n")[:-1]'))"

      - name: Verify meta files are correct
        run: |
          ok=0

          _file_exist() {
            if [ ! -f "${1}" ]; then
              echo "File ${1} does not exist"
              return 1
            fi
          }

          _file_not_exist() {
            if [ -f "${1}" ]; then
              echo "File ${1} should not be here"
              return 1
            fi
          }

          _correct_license_file() {
            FIRST_LINE="Copyright (c) $(date +"%Y") Fabien Potencier"
            PACKAGE_FIRST_LINE=$(head -1 ${1})
            if [[ "$FIRST_LINE" != "$PACKAGE_FIRST_LINE" ]]; then
              echo "First line of the license file is wrong. Maybe it is the wrong year?"
              return 1
            fi

            TEMPLATE=$(tail -n +2 LICENSE)
            PACKAGE_LICENSE=$(tail -n +2 ${1})
            if [[ "$TEMPLATE" != "$PACKAGE_LICENSE" ]]; then
              echo "Wrong content in license file"
              return 1
            fi
          }

          json='${{ steps.find-packages.outputs.packages }}'
          for package in $(echo "${json}" | jq -r '.[] | @base64'); do
              _jq() {
                echo ${package} | base64 --decode | jq -r ${1}
              }

              DIR=$(_jq '.directory')
              NAME=$(_jq '.name')
              echo "::group::$NAME"
              localExit=0

              _file_exist $DIR/.gitattributes || localExit=1
              _file_exist $DIR/.gitignore || localExit=1
              _file_exist $DIR/CHANGELOG.md || localExit=1
              _file_exist $DIR/LICENSE || localExit=1
              _file_exist $DIR/phpunit.xml.dist || localExit=1
              _file_exist $DIR/README.md || localExit=1
              _file_not_exist $DIR/phpunit.xml || localExit=1

              if [ $(_jq '.new') == true ]; then
                echo "Verifying new package"
                _correct_license_file $DIR/LICENSE || localExit=1

                if [ $(_jq '.component_bridge') == false ]; then
                  if [ ! $(cat composer.json | jq -e ".replace.\"$NAME\"|test(\"self.version\")") ]; then
                    echo "Composer.json's replace section needs to contain $NAME"
                    localExit=1
                  fi
                fi
              fi

              ok=$(( $localExit || $ok ))
              echo ::endgroup::
              if [ $localExit -ne 0 ]; then
                echo "::error::$NAME failed"
              fi
          done

          exit $ok
