version: 2.1

orbs:
  win: circleci/windows@1.0.0

executors:
  bionic:
    docker:
      - image: buildpack-deps:bionic

jobs:
  flake8:
    executor: bionic
    steps:
      - checkout
      - run:
          name: install pip
          command: |
            apt-get update -q
            apt-get install -q -y python-pip python3-pip
      - run: python2 -m pip install --upgrade pip
      - run: python3 -m pip install --upgrade pip
      - run: python2 -m pip install flake8==3.7.8
      - run: python3 -m pip install flake8==3.7.8
      - run: python2 -m flake8 --show-source --statistics
      - run: python3 -m flake8 --show-source --statistics
  test-linux:
    executor: bionic
    environment:
      EMSDK_NOTTY: "1"
      # I don't know why circleci VMs pretent to have 36 cores but its a lie.
      EMSDK_NUM_CORES: "4"
    steps:
      - checkout
      - run:
          name: Install debian packages
          command: apt-get update -q && apt-get install -q -y cmake build-essential openjdk-8-jre-headless
      - run: scripts/test.sh
      - run:
          name: test.py
          command: |
            source emsdk_env.sh
            scripts/test.py
  test-mac:
    macos:
      xcode: "9.0"
    environment:
      EMSDK_NOTTY: "1"
      # Without this, any `brew installl` command will result in self-update of
      # brew itself which takes more than 4 minutes.
      HOMEBREW_NO_AUTO_UPDATE: "1"
    steps:
      - checkout
      - run:
          name: Install cmake
          command: brew install cmake
      - run:
          name: Install python 3
          command: brew install python3
      - run: scripts/test.sh
      - run:
          name: test.py
          command: |
            source emsdk_env.sh
            scripts/test.py
  test-windows:
    executor:
      name: win/vs2019
      shell: bash.exe
    environment:
      # We need python installed before we can test anytyhing.
      # There seems to be undocument copy of python installed here. Hopefully
      # if this disappears there will be another way of getting a re-installed
      # version.
      PYTHON_BIN: "C:\\Python27amd64"
      PYTHONUNBUFFERED: "1"
      EMSDK_NOTTY: "1"
    steps:
      - checkout
      - run:
          name: Add python to bash path
          command: echo "export PATH=\"$PATH:/c/python27amd64/\"" >> $BASH_ENV
      - run:
          name: Install latest
          shell: cmd.exe
          command: scripts\test.bat
      - run:
          name: test.py
          command: |
            source emsdk_env.sh
            python scripts/test.py

  build-docker-image:
    executor: bionic
    steps:
      - checkout
      - run:
          name: install docker
          command: apt-get update -q && apt-get install -q -y docker.io
      - setup_remote_docker
      - run:
          name: build
          command: docker build --network host ./docker

  publish-docker-image:
    executor: bionic
    steps:
      - checkout
      - run:
          name: install docker
          command: apt-get update -q && apt-get install -q -y docker.io
      - setup_remote_docker
      - run:
          name: build
          command: docker build --network host --build-arg EMSCRIPTEN_VERSION=${CIRCLE_TAG} --tag emscripten/emsdk:${CIRCLE_TAG} ./docker
      - run:
          name: tag image
          command: docker tag emscripten/emsdk:${CIRCLE_TAG} emscripten/emsdk:latest
      - run:
          name: push image
          command: |
            docker login -u "$DOCKER_USER" -p "$DOCKER_PASS"
            docker push emscripten/emsdk:${CIRCLE_TAG}
            docker push emscripten/emsdk:latest

workflows:
  flake8:
    jobs:
      - flake8
  test-linux:
    jobs:
      - test-linux
  test-mac:
    jobs:
      - test-mac
  test-windows:
    jobs:
      - test-windows
  build-docker-image:
    jobs:
      - build-docker-image
      - publish-docker-image:
          filters:
            branches:
              ignore: /.*/
            tags:
              only: /.*/