aliases:
  # Cache Management
  - &restore-yarn-cache
    keys:
      - v1-yarn-cache-{{ arch }}-{{ checksum "package.json" }}
      - v1-yarn-cache-{{ arch }}
  - &save-yarn-cache
    paths:
      - ~/.cache/yarn
    key: v1-yarn-cache-{{ arch }}-{{ checksum "package.json" }}

  - &restore-node-modules
    keys:
      - v2-node-modules-{{ arch }}-{{ checksum "package.json" }}
  - &save-node-modules
    paths:
      - node_modules
    key: v2-node-modules-{{ arch }}-{{ checksum "package.json" }}

  - &restore-cache-analysis
    keys:
      - v1-analysis-dependencies-{{ arch }}-{{ checksum "package.json" }}{{ checksum "bots/package.json" }}
  - &save-cache-analysis
    paths:
      - bots/node_modules
      - node_modules
    key: v1-analysis-dependencies-{{ arch }}-{{ checksum "package.json" }}{{ checksum "bots/package.json" }}

  - &restore-cache-gradle
    keys:
      - v1-gradle-{{ .Branch }}-{{ checksum "build.gradle" }}-{{ checksum "ReactAndroid/build.gradle" }}
      # Fallback in case checksum fails
      - v1-gradle-{{ .Branch }}-{{ checksum "build.gradle" }}-
      - v1-gradle-{{ .Branch }}-
      # Fallback in case this is a first-time run on a fork
      - v1-gradle-master-
  - &save-cache-gradle
    paths:
      - ~/.gradle
    key: v1-gradle-{{ .Branch }}-{{ checksum "build.gradle" }}-{{ checksum "ReactAndroid/build.gradle" }}

  - &restore-cache-downloads-buck
    keys:
      - v3-buck-v2019.01.10.01-{{ checksum "scripts/circleci/buck_fetch.sh" }}}
      - v3-buck-v2019.01.10.01-
  - &save-cache-downloads-buck
    paths:
      - ~/buck
      - ~/okbuck
    key: v3-buck-v2019.01.10.01-{{ checksum "scripts/circleci/buck_fetch.sh" }}

  - &restore-cache-watchman
    keys:
      - v1-watchman-{{ arch }}-v4.9.0
  - &save-cache-watchman
    paths:
      - ~/watchman
    key: v1-watchman-{{ arch }}-v4.9.0

  - &restore-cache-downloads-gradle
    keys:
      - v1-gradle-{{ checksum "ReactAndroid/build.gradle" }}-{{ checksum "scripts/circleci/gradle_download_deps.sh" }}
      - v1-gradle-
  - &save-cache-downloads-gradle
    paths:
      - ~/.gradle
      - ReactAndroid/build/downloads
      - ReactAndroid/build/third-party-ndk
    key: v1-gradle-{{ checksum "ReactAndroid/build.gradle" }}-{{ checksum "scripts/circleci/gradle_download_deps.sh" }}

  - &restore-cache-homebrew
    keys:
      - v1-homebrew
  - &save-cache-homebrew
    paths:
      - /usr/local/Homebrew
    key: v1-homebrew

  # Branch Filtering
  - &filter-only-master-stable
    branches:
      only:
        - /.*-stable/
        - master

  - &filter-only-stable
    branches:
      only:
        - /.*-stable/

  - &filter-ignore-gh-pages
    branches:
      ignore: gh-pages

  - &filter-ignore-master-stable
    branches:
      ignore:
        - master
        - /.*-stable/
        - gh-pages

  - &yarn
    name: Run Yarn
    command: |
      # Skip yarn install on metro bump commits as the package is not yet
      # available on npm
      if [[ $(echo "$GIT_COMMIT_DESC" | grep -c "Bump metro@") -eq 0 ]]; then
        yarn install --non-interactive --cache-folder ~/.cache/yarn
      fi

  - &install-buck
    name: Install BUCK
    command: |
      buck --version
      # Install related tooling
      if [[ ! -e ~/okbuck ]]; then
        git clone https://github.com/uber/okbuck.git ~/okbuck --depth=1
      fi
      mkdir -p ~/react-native/tooling/junit
      cp -R ~/okbuck/tooling/junit/* ~/react-native/tooling/junit/.
  - &validate-android-sdk
    name: Validate Android SDK Install
    command: ./scripts/validate-android-sdk.sh

  - &validate-android-test-env
    name: Validate Android Test Environment
    command: ./scripts/validate-android-test-env.sh

  # Test Definitions
  - &run-js-tests
    name: JavaScript Test Suite
    command: yarn test-ci

  # eslint sometimes runs into trouble generating the reports
  - &run-lint-checks
    name: Lint code
    command: scripts/circleci/exec_swallow_error.sh yarn lint --format junit -o ~/react-native/reports/junit/eslint/results.xml

  - &run-flow-checks-ios
    name: Check for errors in code using Flow (iOS)
    command: yarn flow-check-ios

  - &run-flow-checks-android
    name: Check for errors in code using Flow (Android)
    command: yarn flow-check-android

  - &run-sanity-checks
    name: Sanity checks
    command: |
      ./scripts/circleci/check_license.sh
      ./scripts/circleci/validate_yarn_lockfile.sh
    when: always

  - &js-coverage
    name: Test coverage
    command: |
      yarn test --coverage --maxWorkers=2
      cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
    when: always

  - &download-dependencies-gradle
    name: Download Dependencies Using Gradle
    command: ./scripts/circleci/gradle_download_deps.sh

  - &download-dependencies-buck
    name: Download Dependencies Using Buck
    command: ./scripts/circleci/buck_fetch.sh

  - &build-android-app
    name: Build Android App
    command: |
      buck build ReactAndroid/src/main/java/com/facebook/react
      buck build ReactAndroid/src/main/java/com/facebook/react/shell

  - &create-avd
    name: Create Android Virtual Device
    command: source scripts/android-setup.sh && createAVD

  - &launch-avd
    name: Launch Android Virtual Device in Background
    command: source scripts/android-setup.sh && launchAVD
    background: true

  - &wait-for-avd
    name: Wait for Android Virtual Device
    command: source scripts/android-setup.sh && waitForAVD

  - &build-js-bundle
    name: Build JavaScript Bundle
    command: node cli.js bundle --max-workers 2 --platform android --dev true --entry-file ReactAndroid/src/androidTest/js/TestBundle.js --bundle-output ReactAndroid/src/androidTest/assets/AndroidTestBundle.js

  - &compile-native-libs
    name: Compile Native Libs for Unit and Integration Tests
    command: ./gradlew :ReactAndroid:packageReactNdkLibsForBuck -Pjobs=$BUILD_THREADS
    no_output_timeout: 6m

  - &run-android-unit-tests
    name: Run Unit Tests
    command: buck test ReactAndroid/src/test/... --config build.threads=$BUILD_THREADS --xml ~/react-native/reports/buck/all-results-raw.xml

  - &run-android-instrumentation-tests
    name: Run Instrumentation Tests
    command: |
      if [[ ! -e ReactAndroid/src/androidTest/assets/AndroidTestBundle.js ]]; then
        echo "JavaScript bundle missing, cannot run instrumentation tests. Verify build-js-bundle step completed successfully."; exit 1;
      fi
      source scripts/android-setup.sh && NO_BUCKD=1 retry3 timeout 300 buck install ReactAndroid/src/androidTest/buck-runner:instrumentation-tests --config build.threads=$BUILD_THREADS

  - &build-android-rntester-app
    name: Build Android RNTester App
    command: ./gradlew RNTester:android:app:assembleRelease

  - &collect-android-test-results
    name: Collect Test Results
    command: |
      find . -type f -regex ".*/build/test-results/debug/.*xml" -exec cp {} ~/react-native/reports/build/ \;
      find . -type f -regex ".*/outputs/androidTest-results/connected/.*xml" -exec cp {} ~/react-native/reports/outputs/ \;
      find . -type f -regex ".*/buck-out/gen/ReactAndroid/src/test/.*/.*xml" -exec cp {} ~/react-native/reports/buck/ \;
      ./tooling/junit/buck_to_junit.sh ~/react-native/reports/buck/all-results-raw.xml ~/react-native/reports/junit/all-results-junit.xml
    when: always

  - &setup-artifacts
    name: Initial Setup
    command: |
      mkdir -p ~/react-native/reports/buck/
      mkdir -p ~/react-native/reports/build/
      mkdir -p ~/react-native/reports/junit/
      mkdir -p ~/react-native/reports/outputs/

  - &brew-install-watchman
    name: Install Watchman
    command: |
      brew install watchman
      touch .watchmanconfig

  - &boot-simulator-iphone
    name: Boot iPhone Simulator
    command: source scripts/.tests.env && xcrun simctl boot "$IOS_DEVICE" || true

  - &run-objc-ios-tests
    name: iOS Test Suite
    command: ./scripts/objc-test-ios.sh test

  - &display-broken-tests-warning
    name: Running broken tests (Ignore any failures past this point)
    command: |
      echo 'The following steps are known to be failing on master.'
      echo 'They will no-op for most users.'
      echo 'PRs that bring these back to green are appreciated.'

  - &run-podspec-tests
    name: Test CocoaPods (Disabled)
    command: ./scripts/circleci/exec_author_check.sh ./scripts/process-podspecs.sh

  - &run-e2e-tests
    name: End-to-End Test Suite (Disabled)
    command: ./scripts/circleci/exec_author_check.sh node ./scripts/run-ci-e2e-tests.js --android --ios --js --retries 3;

  - &run-objc-ios-e2e-tests
    name: iOS End-to-End Test Suite (Disabled)
    command: ./scripts/circleci/exec_author_check.sh node ./scripts/run-ci-e2e-tests.js --ios --retries 3;

  - &run-android-e2e-tests
    name: Android End-to-End Test Suite (Disabled)
    command: ./scripts/circleci/exec_author_check.sh node ./scripts/run-ci-e2e-tests.js --android --retries 3;

  - &run-js-e2e-tests
    name: JavaScript End-to-End Test Suite
    command: node ./scripts/run-ci-e2e-tests.js --js --retries 3;

defaults: &defaults
  working_directory: ~/react-native
  environment:
    - GIT_COMMIT_DESC: git log --format=oneline -n 1 $CIRCLE_SHA1

js_defaults: &js_defaults
  <<: *defaults
  docker:
    - image: circleci/node:8
  environment:
    - PATH: "/opt/yarn/yarn-v1.5.1/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

android_defaults: &android_defaults
  <<: *defaults
  docker:
  - image: reactnativecommunity/react-native-android
  resource_class: "large"
  environment:
    - TERM: "dumb"
    - ADB_INSTALL_TIMEOUT: 10
    - _JAVA_OPTIONS: "-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap"
    - GRADLE_OPTS: '-Dorg.gradle.daemon=false -Dorg.gradle.jvmargs="-XX:+HeapDumpOnOutOfMemoryError"'
    - BUILD_THREADS: 2

macos_defaults: &macos_defaults
  <<: *defaults
  macos:
    xcode: "10.1.0"

version: 2
jobs:
  # Set up a Node environment for downstream jobs
  checkout_code:
    <<: *js_defaults
    steps:
      - checkout
      - run: *setup-artifacts

      - restore-cache: *restore-yarn-cache
      - run: *yarn
      - save-cache: *save-yarn-cache

      # Basic checks against the checkout, cache...
      - run: *run-sanity-checks

      - persist_to_workspace:
          root: .
          paths: .

  # Runs JavaScript lint and flow checks.
  # Currently will fail a PR if lint/flow raises issues.
  analyze:
    <<: *js_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      - run: *run-lint-checks
      - run: *run-flow-checks-ios
      - run: *run-flow-checks-android

      - store_test_results:
          path: ~/react-native/reports/junit
      - store_artifacts:
          path: ~/react-native/yarn.lock

  # Runs JavaScript tests on Node 8
  test_javascript:
    <<: *js_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      - run: *run-js-tests

      - store_test_results:
          path: ~/react-native/reports/junit

  # Run JavaScript tests on Node 10
  test_node10:
    <<: *defaults
    docker:
      - image: circleci/node:10
    environment:
      - PATH: "/opt/yarn/yarn-v1.5.1/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
    steps:
      - checkout
      - run: *setup-artifacts
      - run: *yarn
      - run: *run-js-tests
      - run: yarn run format-check
      - store_test_results:
          path: ~/react-native/reports/junit

  # Runs unit tests on iOS devices
  test_ios:
    <<: *macos_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      - run: *boot-simulator-iphone

      - restore-cache: *restore-cache-homebrew
      - run: *brew-install-watchman
      - save-cache: *save-cache-homebrew
      - run: *run-objc-ios-tests

      - store_test_results:
          path: ~/react-native/reports/junit

  # Runs end to end tests (Detox)
  test_detox_end_to_end:
    <<: *macos_defaults
    steps:
      - attach_workspace:
          at: ~/react-native
      - run: xcrun simctl boot "iPhone 5s" || true
      - run:
          name: Configure Environment Variables
          command: |
            echo 'export PATH=/usr/local/opt/node@8/bin:$PATH' >> $BASH_ENV
            source $BASH_ENV
      - run:
          name: Install Node 8
          command: |
            brew install node@8
            brew link node@8
            brew tap wix/brew
            brew install applesimutils
            node -v
      - run: *yarn

      - run:
          name: Build iOS app for simulator
          command: yarn run build-ios-e2e
      - run:
          name: Run Detox Tests
          command: yarn run test-ios-e2e

  # Set up an Android environment for downstream jobs
  test_android:
    <<: *android_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      # Validate Android SDK installation and packages
      - run: *validate-android-sdk

      # Starting emulator in advance as it takes some time to boot.
      - run: *create-avd
      - run: *launch-avd

      # Keep configuring Android dependencies while AVD boots up

      # Install Buck
      - restore-cache: *restore-cache-downloads-buck
      - run: *install-buck
      - save-cache: *save-cache-downloads-buck

      # Validate Android test environment (including Buck)
      - run: *validate-android-test-env

      # Download dependencies using Buck
      - run: *download-dependencies-buck

      # Download dependencies using Gradle
      - restore-cache: *restore-cache-downloads-gradle
      - run: *download-dependencies-gradle
      - save-cache: *save-cache-downloads-gradle

      # Build and compile
      - run: *build-android-app
      - run: *compile-native-libs

      # Build JavaScript Bundle for instrumentation tests
      - run: *build-js-bundle

      # Wait for AVD to finish booting before running tests
      - run: *wait-for-avd

      # Test Suite
      - run: *run-android-unit-tests
      - run: *run-android-instrumentation-tests
      - run: *build-android-rntester-app

      # Run Android end-to-end tests
      # TODO: Fix these failing tests.
      - run: *display-broken-tests-warning
      - run: *run-android-e2e-tests

      # Collect Results
      - run: *collect-android-test-results
      - store_test_results:
          path: ~/react-native/reports/junit

  # Analyze pull request and raise any lint/flow issues.
  # Issues will be posted to the PR itself via GitHub bots.
  # This workflow should only fail if the bots fail to run.
  # The public github tokens are publicly visible by design
  analyze_pr:
    <<: *defaults
    docker:
      - image: circleci/node:10
    environment:
      - PATH: "/opt/yarn/yarn-v1.5.1/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
      - PUBLIC_PULLBOT_GITHUB_TOKEN_A: "a6edf8e8d40ce4e8b11a"
      - PUBLIC_PULLBOT_GITHUB_TOKEN_B: "150e1341f4dd9c944d2a"
      - PUBLIC_ANALYSISBOT_GITHUB_TOKEN_A: "78a72af35445ca3f8180"
      - PUBLIC_ANALYSISBOT_GITHUB_TOKEN_B: "b1a98e0bbd56ff1ccba1"

    steps:
      - checkout
      - run: *setup-artifacts

      - restore-cache: *restore-cache-analysis
      - run: *yarn

      - run:
          name: Analyze Shell Scripts
          command: |
            echo -e "\\x1B[36mInstalling additional dependencies\\x1B[0m"
            sudo apt-get install -y shellcheck
            yarn add @octokit/rest@15.18.0
            echo -e "\\x1B[36mAnalyzing shell scripts\\x1B[0m"; \
            GITHUB_TOKEN="$PUBLIC_ANALYSISBOT_GITHUB_TOKEN_A""$PUBLIC_ANALYSISBOT_GITHUB_TOKEN_B" \
            GITHUB_OWNER="$CIRCLE_PROJECT_USERNAME" \
            GITHUB_REPO="$CIRCLE_PROJECT_REPONAME" \
            GITHUB_PR_NUMBER="$CIRCLE_PR_NUMBER" \
            ./scripts/circleci/analyze_scripts.sh
          when: always

      - run:
          name: Analyze Code
          command: |
            echo -e "\\x1B[36mInstalling additional dependencies\\x1B[0m"; yarn add @octokit/rest@15.18.0
            echo -e "\\x1B[36mAnalyzing code\\x1B[0m"; \
            GITHUB_TOKEN="$PUBLIC_ANALYSISBOT_GITHUB_TOKEN_A""$PUBLIC_ANALYSISBOT_GITHUB_TOKEN_B" \
            GITHUB_OWNER="$CIRCLE_PROJECT_USERNAME" \
            GITHUB_REPO="$CIRCLE_PROJECT_REPONAME" \
            GITHUB_PR_NUMBER="$CIRCLE_PR_NUMBER" \
            ./scripts/circleci/analyze_code.sh
          when: always

      - run:
          name: Analyze Pull Request
          command: |
            echo -e "\\x1B[36mInstalling additional dependencies\\x1B[0m"
            cd bots
            yarn install --non-interactive --cache-folder ~/.cache/yarn
            echo -e "\\x1B[36mAnalyzing pull request\\x1B[0m"; \
            DANGER_GITHUB_API_TOKEN="$PUBLIC_PULLBOT_GITHUB_TOKEN_A""$PUBLIC_PULLBOT_GITHUB_TOKEN_B" \
            yarn danger ci --use-github-checks
          when: always
      - save-cache: *save-cache-analysis

  # Test Coverage
  js_coverage:
    <<: *js_defaults
    environment:
      - CI_BRANCH: $CIRCLE_BRANCH
      - CI_PULL_REQUEST: $CIRCLE_PULL_REQUEST
      - CI_BUILD_NUMBER: $CIRCLE_BUILD_NUM
      - CI_BUILD_URL: $CIRCLE_BUILD_URL
    steps:
      - checkout
      - restore-cache: *restore-yarn-cache
      - run: *yarn
      - run: *js-coverage
      - store_artifacts:
          path: ~/react-native/coverage/

  # Publishes new version onto npm
  # Only works on stable branches when a properly tagged commit is pushed
  publish_npm_package:
    <<: *android_defaults
    steps:
      - checkout

      - restore-cache: *restore-yarn-cache
      - run: *yarn

      # Fetch dependencies using Buck
      - restore-cache: *restore-cache-downloads-buck
      - run: *download-dependencies-buck

      # Fetch dependencies using Gradle
      - restore-cache: *restore-cache-downloads-gradle
      - run: *download-dependencies-gradle

      - restore-cache: *restore-yarn-cache
      - run: *yarn

      - run:
          name: Authenticate with npm
          command: echo "//registry.npmjs.org/:_authToken=${CIRCLE_NPM_TOKEN}" > ~/.npmrc

      - run:
          name: Authenticate git user
          command: |
            git config --global user.email "react-native-bot@users.noreply.github.com"
            git config --global user.name "npm Deployment Script"
            echo "machine github.com login react-native-bot password $GITHUB_TOKEN" > ~/.netrc

      - run:
          name: Publish React Native Package
          command: node ./scripts/publish-npm.js

# Workflows enables us to run multiple jobs in parallel
workflows:
  version: 2

  tests:
    jobs:
      # Checkout repo and run Yarn
      - checkout_code:
          filters: *filter-ignore-gh-pages

      # Run lint, flow, and other checks
      - analyze:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      # Test JavaScript
      - test_javascript:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      # Test Android
      - test_android:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      # Test iOS
      - test_ios:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      - test_detox_end_to_end:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      # Tooling Compatibility Checks
      - test_node10:
          filters: *filter-ignore-gh-pages

  releases:
    jobs:
      # Only runs on vX.X.X tags if all tests are green
      - publish_npm_package:
          filters:
            # ignore any commit on any branch by default
            branches:
              ignore: /.*/
            # only act on version tags
            tags:
              only: /v[0-9]+(\.[0-9]+)*(\-rc(\.[0-9]+)?)?/

  analysis:
    jobs:
      # Run code checks on PRs from forks
      - analyze_pr:
          filters:
            branches:
              only: /^pull\/.*$/

      # Gather coverage on master
      - js_coverage:
          filters:
            branches:
              only: master