stepback: true
ignore:
    - "*.md"
    - ".github/*" # github CODEOWNERS configuration


variables:
  - &node
    NODEJS_VERSION: 8.11.3
  - &drivers
    CHROMEDRIVER_URL: https://chromedriver.storage.googleapis.com/2.40/chromedriver_linux64.zip
    GECKODRIVER_URL: https://github.com/mozilla/geckodriver/releases/download/v0.21.0/geckodriver-v0.21.0-linux64.tar.gz

functions:
  preamble:
    - *get-project
    - *fetch-node
    - *install

  get-project: &get-project
    command: git.get_project
    type: setup
    params:
      directory: lobster

  fetch-node: &fetch-node
    command: shell.exec
    type: setup
    params:
      working_dir: .
      shell: bash
      script: |
        set -ex
        if [ -d "nodejs" ]; then
          exit 0
        fi

        curl --silent --show-error --fail --location --retry 3 --output nodejs.tar.xz https://nodejs.org/dist/v${NODEJS_VERSION}/node-v${NODEJS_VERSION}-linux-x64.tar.xz
        tar xf nodejs.tar.xz
        mv node-v* nodejs
        chmod +x nodejs/bin/*

  install: &install
    command: shell.exec
    type: setup
    params:
      working_dir: lobster
      shell: bash
      script: |
        set -ex
        export PATH="${workdir}/nodejs/bin:$PATH"
        export CI=true
        export NPM_CONFIG_CACHE="./.node_cache"
        npm install || npm install || npm install
        mkdir build

  npm:
    command: shell.exec
    type: test
    params:
      working_dir: lobster
      shell: bash
      script: |
        set -ex
        export PATH="${workdir}/nodejs/bin:$PATH"
        export CI=true
        export NPM_CONFIG_CACHE="./.node_cache"
        npm ${cmd}

  results-attach:
    command: attach.xunit_results
    params:
      files:
        - "./lobster/build/*-junit.xml"

  results-clean:
    command: shell.exec
    type: test
    params:
      working_dir: lobster
      shell: bash
      continue_on_err: true
      ignore_standard_error: true
      silent: true
      script: rm build/*-junit.xml

  chromedriver:
    command: shell.exec
    type: setup
    params:
      shell: bash
      script: |
        set -ex
        export PATH="/opt/google/chrome:$PWD:${workdir}/nodejs/bin:$PATH"
        which chrome
        mkdir driver
        cd driver
        curl --silent --show-error --fail --location -o chromedriver.zip ${CHROMEDRIVER_URL} --retry 3
        unzip chromedriver.zip
        rm chromedriver.zip

  geckodriver:
    command: shell.exec
    type: setup
    params:
      shell: bash
      script: |
        set -ex
        which firefox
        mkdir driver
        cd driver
        curl -L --silent --show-error --fail --location -o geckodriver.tar.gz ${GECKODRIVER_URL} --retry 3
        tar xf geckodriver.tar.gz
        rm geckodriver.tar.gz

  e2e:
    command: shell.exec
    params:
      working_dir: lobster
      shell: bash
      script: |
        set -ex
        export PATH="/opt/google/chrome:${workdir}/driver:${workdir}/nodejs/bin:$PATH"
        export CI=true
        export NPM_CONFIG_CACHE="./.node_cache"
        export IS_VM=true
        npm run test:e2e -- --browser ${browser}

  killallthethings:
    command: shell.exec
    params:
      working_dir: lobster
      shell: bash
      silent: true
      ignore_standard_error: true
      ignore_standard_out: true
      script: |
        # do not set -ex this!
        killall node
        killall npm
        killall chromedriver
        killall chrome
        killall geckodriver
        killall firefox


post:
  - command: shell.exec
    params:
      working_dir: lobster
      shell: bash
      continue_on_err: true
      ignore_standard_error: true
      silent: true
      script: |
        cat ./.node_cache/_logs/*log
        rm ./.node_cache/_logs/*log
  - func: results-attach
  - func: results-clean
  - func: killallthethings


tasks:
  - name: dist
    commands:
      - func: preamble
      - func: npm
        vars:
          cmd: run-script build

  - name: lint
    commands:
      - func: preamble
      - func: npm
        vars:
          cmd: run-script lint

  - name: flow
    commands:
      - func: preamble
      - func: npm
        vars:
          cmd: run-script flow -- check --temp-dir=.node_cache/_logs

  - name: generate-tests
    commands:
      - func: preamble
      - func: npm
        vars:
          cmd: run-script generate-tasks
      - command: generate.tasks
        params:
          files:
            - lobster/build/.tasks.json

  - name: e2e-chrome
    depends_on:
      - name: dist
        variant: ubuntu1604
    commands:
      - func: preamble
      - func: chromedriver
      - func: npm
        vars:
          cmd: run-script build
      - func: e2e
        vars:
          browser: chrome

  - name: e2e-firefox
    depends_on:
      - name: dist
        variant: ubuntu1604
    commands:
      - func: preamble
      - func: geckodriver
      - func: npm
        vars:
          cmd: run-script build
      - func: e2e
        vars:
          browser: firefox


buildvariants:
  - name: ubuntu1604
    display_name: Ubuntu 16.04
    expansions:
      <<: *node
    run_on:
      - ubuntu1604-test
    tasks:
      - name: "dist"
      - name: "lint"
      - name: "generate-tests"
      - name: "flow"

  - name: ubuntu1804
    display_name: Ubuntu 18.04 (e2e)
    expansions:
      <<: *node
      <<: *drivers
    run_on:
      - ubuntu1804-test
    tasks:
      - name: "e2e-chrome"
      - name: "e2e-firefox"