version: 2.1

executors:
  default:
    docker:
      - image: circleci/node:10-stretch-browsers
    environment:
      - FIREFOX_VERSION: "60.0esr"
      - GECKODRIVER_VERSION: "0.24.0"
    working_directory: ~

commands:
  install_firefox:
    steps:
      - restore_cache:
          key: firefox-bin
          paths:
            - ~/firefox
      - run:
          name: Install Firefox
          command: |
            test -d ~/firefox/${FIREFOX_VERSION} && exit 0
            url=https://ftp.mozilla.org/pub/firefox/releases/${FIREFOX_VERSION}/linux-x86_64/en-US/firefox-${FIREFOX_VERSION}.tar.bz2
            curl -sSL -o- "$url" | tar xvfj -
            mkdir -p ~/firefox
            mv firefox ~/firefox/${FIREFOX_VERSION}
      - save_cache:
          key: firefox-bin
          paths:
            - ~/firefox
      - run: echo 'export PATH=~/firefox/$FIREFOX_VERSION:$PATH' >> $BASH_ENV

  install_geckodriver:
    steps:
      - run:
          name: Install geckodriver
          command: |
            mkdir -p geckodriver

            url=https://github.com/mozilla/geckodriver/releases/download/v0.24.0/geckodriver-v${GECKODRIVER_VERSION}-linux64.tar.gz
            curl -sSLf "$url" | tar  -C geckodriver xvf -

            echo 'export PATH=~/geckodriver/$GECKODRIVER_VERSION:$PATH' >> $BASH_ENV

  setup_npm:
    steps:
      - restore_cache:
          key: dependency-cache-{{ checksum "package-lock.json" }}
      - run:
          name: Install npm wee
          command: npm install
      - save_cache:
          key: dependency-cache-{{ checksum "package-lock.json" }}
          paths:
            - node_modules

jobs:
  build:
    executor:
      name: default
    steps:
      - install_firefox
      - checkout
      - setup_npm
      - run: npm run lint
      - run: npm test
      - run: npm run package

  e2e:
    executor:
      name: default
    steps:
      - install_firefox
      - checkout
      - setup_npm
      - run: npm run build
      - run:
          name: Run geckodriver
          command: geckodriver
          background: true
      - run: npm run test:e2e

workflows:
  version: 2
  build_and_test:
    jobs:
      - build
      - e2e