# Deployment is configured following these instructions:
# https://circleci.com/blog/deploying-documentation-to-github-pages-with-continuous-integration/

version: 2

jobs:
  test:
    working_directory: ~/repo
    docker:
      - image: circleci/openjdk:11-jdk-stretch-node-browsers
        environment:
          - CHROME_BIN: "/usr/bin/google-chrome"
    steps:
      - checkout
      - restore_cache:
          keys:
            - build_cache-{{ checksum "package.json" }}-{{ checksum "shadow-cljs.edn" }}
      - run:
          name: Install dependencies
          command: npm install
      - run:
          name: Test
          command: npm test
      - save_cache:
          paths:
            - node_modules
            - .shadow-cljs
            - ~/.m2
            - ~/.npm
          key: build_cache-{{ checksum "package.json" }}-{{ checksum "shadow-cljs.edn" }}
  build:
    working_directory: ~/repo
    docker:
      - image: circleci/openjdk:11-jdk-stretch-node-browsers
    steps:
      - checkout
      - restore_cache:
          keys:
            - build_cache-{{ checksum "package.json" }}-{{ checksum "shadow-cljs.edn" }}
      - run:
          name: Install dependencies
          command: npm install
      - run: 
          name: Build SPA
          command: npm run build
      - save_cache:
          paths:
            - node_modules
            - .shadow-cljs
            - ~/.m2
            - ~/.npm
          key: build_cache-{{ checksum "package.json" }}-{{ checksum "shadow-cljs.edn" }}
      - persist_to_workspace:
          root: /home/circleci/repo/public
          paths:
            - "*"
  deploy:
    working_directory: ~/repo
    docker:
      - image: circleci/openjdk:11-jdk-stretch-node-browsers
    steps:
      - add_ssh_keys:
          fingerprints:
            - "85:2f:28:0f:b9:45:b8:f1:0f:c2:0a:1c:5e:4d:a2:06"
      - checkout
      - attach_workspace:
          at: /home/circleci/repo/public
      - restore_cache:
          keys:
            - build_cache-{{ checksum "package.json" }}-{{ checksum "shadow-cljs.edn" }}
      - run:
          name: Install dependencies
          command: npm install
      - run:
          name: Deploy to gh-pages branch
          command: |
            git config user.email "build@circleci.com"
            git config user.name "ci-build"
            npm run deploy

workflows:
  version: 2
  test-build-deploy:
    jobs:
      - test:
          filters:
            branches:
              ignore:
                - gh-pages
      - build:
          requires:
            - test
          filters:
            branches:
              ignore:
                - gh-pages
      - deploy:
          requires:
            - build
          filters:
            branches:
              only: master