version: '2'

jobs:
  checkout:
    docker:
      - image: circleci/php
    steps:
      - checkout
      - persist_to_workspace:
          root: ~/project
          paths:
            - ./

  psr2:
    docker:
      - image: circleci/php
    steps:
      - attach_workspace:
          at: ~/project
      - restore_cache:
          keys:
            - vendor-v1-psr2-{{ checksum "composer.json" }}
      - run:
          name: Composer install
          command: composer install --no-progress --no-interaction
      - save_cache:
          key: vendor-v1-psr2-{{ checksum "composer.json" }}
          paths:
            - vendor
            - composer.lock
      - run:
          name: Check PSR2 standards
          command: composer check-style

  php56:
    docker:
      - image: circleci/php:5.6
    steps:
      - attach_workspace:
          at: ~/project
      - restore_cache:
          keys:
            - vendor-v1-php56-{{ checksum "composer.json" }}
      - run:
          name: Composer install
          command: composer install --no-progress --no-interaction
      - save_cache:
          key: vendor-v1-php56-{{ checksum "composer.json" }}
          paths:
            - vendor
            - composer.lock
      - run:
          name: Composer test
          command: composer test -- --coverage-text
      - persist_to_workspace:
          root: ~/project
          paths:
            - ./

  php70:
    docker:
      - image: circleci/php:7.0
    steps:
      - attach_workspace:
          at: ~/project
      - restore_cache:
          keys:
            - vendor-v1-php70-{{ checksum "composer.json" }}
      - run:
          name: Composer install
          command: composer install --no-progress --no-interaction
      - save_cache:
          key: vendor-v1-php70-{{ checksum "composer.json" }}
          paths:
            - vendor
            - composer.lock
      - run:
          name: Composer test
          command: composer test

  php71:
    docker:
      - image: circleci/php:7.1
    steps:
      - attach_workspace:
          at: ~/project
      - restore_cache:
          keys:
            - vendor-v1-php71-{{ checksum "composer.json" }}
      - run:
          name: Composer install
          command: composer install --no-progress --no-interaction
      - save_cache:
          key: vendor-v1-php71-{{ checksum "composer.json" }}
          paths:
            - vendor
            - composer.lock
      - run:
          name: Composer test
          command: composer test

  php72:
    docker:
      - image: circleci/php:7.2
    steps:
      - attach_workspace:
          at: ~/project
      - restore_cache:
          keys:
            - vendor-v1-php72-{{ checksum "composer.json" }}
      - run:
          name: Composer install
          command: composer install --no-progress --no-interaction
      - save_cache:
          key: vendor-v1-php72-{{ checksum "composer.json" }}
          paths:
            - vendor
            - composer.lock
      - run:
          name: Composer test
          command: composer test

  coverage:
    docker:
      - image: circleci/php
    steps:
      - attach_workspace:
          at: ~/project
      - run:
          name: Upload Code Coverage
          command: |
            curl -s https://codecov.io/bash > .codecov
            chmod +x .codecov
            ./.codecov

workflows:
  version: 2
  tests:
    jobs:
      - checkout
      - psr2:
          requires:
            - checkout
      - php56:
          requires:
            - checkout
      - php70:
          requires:
            - checkout
      - php71:
          requires:
            - checkout
      - php72:
          requires:
            - checkout
      - coverage:
          requires:
            - php56