version: 2.1
orbs:
  slack: circleci/slack@3.4.2
executors:
  base:
    docker:
      - image: circleci/ruby:2.6.0
        environment:
          # Bundlerのパス設定が書き換えられ`vendor/bundle`ではなくて`/usr/local/bundle`を参照してしまい`bundle exec`でエラーになる
          # Bundlerのconfigファイル(pathの設定がされたもの)をworkspaceで永続化し`vendor/bundle`を参照するようにするための設定
          BUNDLE_APP_CONFIG: .bundle
          # ref: https://circleci.com/docs/2.0/faq/#how-can-i-set-the-timezone-in-docker-images
          TZ: "Asia/Tokyo"
    working_directory: ~/dodonki1223/qiita_trend

commands:
  install-bundler:
    steps:
      - run:
          name: Install bundler(2.1.0)
          command: gem install bundler:2.1.0

  # Read about caching dependencies: https://circleci.com/docs/2.0/caching/
  restore-gem-cache:
    steps:
      - restore_cache:
          keys:
            - v1-dependencies-{{ checksum "Gemfile.lock" }}
            # fallback to using the latest cache if no exact match is found
            - v1-dependencies-

  install-gem:
    steps:
      - run:
          name: Install gem
          command: |
            # jobs=4は並列処理をして高速化するための設定（４つのjobで実行するって意味）
            bundle check --path=vendor/bundle || bundle install --path=vendor/bundle --jobs=4 --retry=3

  save-gem-cache:
    steps:
      - save_cache:
          paths:
            - ./vendor/bundle
          key: v1-dependencies-{{ checksum "Gemfile.lock" }}

  save-workspace:
    steps:
      - persist_to_workspace:
          # working_directory からの相対パスか絶対パスを指定します
          root: .
          paths: .

  using-workspace:
    steps:
      - attach_workspace:
          # working_directory からの相対パスか絶対パスを指定します
          at: .

  run-rubocop:
    steps:
      - run:
          name: Run RuboCop
          command: |
            bundle exec rubocop

  run-tests:
    steps:
      - run:
          name: Run tests
          command: |
            TEST_FILES="$(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings)"
            bundle exec rspec \
              --format progress \
              --format RspecJunitFormatter \
              --out test_results/rspec/rspec.xml \
              --format progress \
              $TEST_FILES

  collect-reports:
    steps:
      # ref:https://circleci.com/docs/ja/2.0/configuration-reference/#store_test_results
      - store_test_results:
          path: test_results
      - store_artifacts:
          # テスト結果をtest-resultsディレクトリに吐き出す
          path: test_results
          destination: test-results
      - store_artifacts:
          # カバレッジの結果をcoverage-resultsディレクトリに吐き出す
          path: coverage
          destination: coverage-results

  create-document:
    steps:
      - run:
          name: Create document
          command: |
            bundle exec yard
      - store_artifacts:
          # ドキュメントの結果をyard-resultsディレクトリに吐き出す
          path: ./doc
          destination: yard-results

  deploy-rubygems:
    steps:
      # ref:https://support.circleci.com/hc/ja/articles/115015628247-%E6%8E%A5%E7%B6%9A%E3%82%92%E7%B6%9A%E8%A1%8C%E3%81%97%E3%81%BE%E3%81%99%E3%81%8B-%E3%81%AF%E3%81%84-%E3%81%84%E3%81%84%E3%81%88-
      # read/write両方の権限が必要
      - add_ssh_keys:
          fingerprints:
            - "38:d2:72:5e:9f:67:93:9a:ec:95:94:a2:0e:bf:41:9e"

      # ref:https://circleci.com/docs/2.0/gh-bb-integration/#establishing-the-authenticity-of-an-ssh-host
      - run:
          name: Avoid hosts unknown for github
          command: |
            mkdir -p ~/.ssh
            echo 'github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==
                  bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
                  ' >> ~/.ssh/known_hosts

      - run:
          name: Deploy RubyGems
          command: |
            curl -u dodonki1223:$RUBYGEMS_PASSWORD https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials
            chmod 0600 ~/.gem/credentials
            git config user.name dodonki1223
            git config user.email $RUBYGEMS_EMAIL
            bundle exec rake build
            bundle exec rake release

  deploy-notification:
    steps:
      - slack/status:
          success_message: ':circleci-pass: RubyGemsにデプロイが完了しました\n:github_octocat: User: $CIRCLE_USERNAME'
          failure_message: ':circleci-fail: RubyGemsにデプロイが失敗しました\n:github_octocat: User: $CIRCLE_USERNAME'

jobs:
  setup:
    executor: base
    steps:
      - checkout
      - install-bundler
      - restore-gem-cache
      - install-gem
      - save-gem-cache
      - save-workspace

  lint:
    executor: base
    steps:
      - using-workspace
      - install-bundler
      - run-rubocop

  test:
    executor: base
    steps:
      - using-workspace
      - install-bundler
      - run-tests
      - collect-reports

  document:
    executor: base
    steps:
      - using-workspace
      - install-bundler
      - create-document

  deploy:
    executor: base
    steps:
      - using-workspace
      - install-bundler
      - deploy-rubygems
      - deploy-notification

workflows:
  version: 2.1
  main:
    jobs:
      - setup
      - lint:
          requires:
            - setup
      - test:
          requires:
            - setup
      - document:
          requires:
            - setup
      - slack/approval-notification:
          message: ':circleci-pass: RubyGemsへのデプロイ準備が整っています\n:github_octocat: User: $CIRCLE_USERNAME\nデプロイを実行する場合は *Approve* を押してください'
          requires:
            - lint
            - test
          filters:
            branches:
              only: master
      - approval-job:
          type: approval
          requires:
            - slack/approval-notification
      - deploy:
          requires:
            - approval-job
          filters:
            branches:
              only: master
  # 定期でテストを実行する
  # ref:https://circleci.com/docs/ja/2.0/triggers/
  nightly:
    triggers:
      - schedule:
          cron: "0 22 * * *" # UTCで記述
          filters:
            branches:
              only:
                - master
    jobs:
      - setup
      - test:
          requires:
            - setup