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-android-packages
    keys:
      - v1-android-sdkmanager-packages-api-26-alpha-{{ checksum "scripts/.tests.env" }}
  - &save-cache-android-packages
    paths:
      - /opt/android/sdk
    key: v1-android-sdkmanager-packages-api-26-alpha-{{ checksum "scripts/.tests.env" }}

  - &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-ndk
    keys:
      - v3-android-ndk-r17b-{{ checksum "scripts/android-setup.sh" }}
  - &save-cache-ndk
    paths:
      - /opt/ndk
    key: v3-android-ndk-r17b-{{ checksum "scripts/android-setup.sh" }}

  - &restore-cache-downloads-buck
    keys:
      - v3-buck-v2018.07.23.01-{{ checksum "scripts/circleci/buck_fetch.sh" }}}
      - v3-buck-v2018.07.23.01-
  - &save-cache-downloads-buck
    paths:
      - ~/buck
      - ~/okbuck
    key: v3-buck-v2018.07.23.01-{{ 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" }}

  # 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

  # Dependency Management
  - &install-ndk
    name: Install Android NDK
    command: source scripts/android-setup.sh && getAndroidNDK

  - &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-yarn
    name: Install Yarn
    command: |
      curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
      echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
      sudo apt-get update && sudo apt-get install yarn

  - &install-buck
    name: Install BUCK
    command: |
      if [[ ! -e ~/buck ]]; then
        git clone https://github.com/facebook/buck.git ~/buck --branch v2018.07.23.01 --depth=1
      fi
      cd ~/buck && ant
      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/.

  - &create-ndk-directory
    name: Create Android NDK Directory
    command: |
      if [[ ! -e /opt/ndk ]]; then
        sudo mkdir /opt/ndk
      fi
      sudo chown ${USER:=$(/usr/bin/id -run)}:$USER /opt/ndk

  # CircleCI does not support interpolating env variables in the environment
  #  https://circleci.com/docs/2.0/env-vars/#interpolating-environment-variables-to-set-other-environment-variables
  - &configure-android-path
    name: Configure Environment Variables
    command: |
      echo 'export PATH=${ANDROID_NDK}:~/buck/bin:$PATH' >> $BASH_ENV
      source $BASH_ENV

  - &install-android-packages
    name: Install Android SDK Packages
    command: source scripts/android-setup.sh && getAndroidPackages

  - &install-android-build-dependencies
    name: Install Android Build Dependencies
    command: ./scripts/circleci/apt-get-android-deps.sh

  - &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
    name: Check for errors in code using Flow
    command: yarn flow check

  - &run-sanity-checks
    name: Sanity checks
    command: |
      ./scripts/circleci/check_license.sh
      ./scripts/circleci/check_cache.sh
    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 local-cli/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 -Pcom.android.build.threadPoolSize=1
    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 -Pjobs=$BUILD_THREADS

  - &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: xcrun simctl boot "iPhone 5s" || true

  - &boot-simulator-iphone-with-parallelism
    name: Boot iPhone Simulator
    command: |
      if [ $((0 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
        xcrun simctl boot "iPhone 5s" || true
      fi

  - &boot-simulator-appletv-with-parallelism
    name: Boot Apple TV Simulator
    command: |
      if [ $((1 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
        xcrun simctl boot "Apple TV" || true
      fi

  - &run-objc-ios-tests-with-parallelism
    name: iOS Test Suite
    command: |
      if [ $((0 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
        ./scripts/objc-test-ios.sh test
      fi

  - &run-objc-tvos-tests-with-parallelism
    name: tvOS Test Suite
    command: |
      if [ $((1 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
        ./scripts/objc-test-tvos.sh test
      fi

  - &run-podspec-tests-with-parallelism
    name: Test CocoaPods
    command: |
      if [ $((2 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
        ./scripts/process-podspecs.sh
      fi

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

  - &install-node-8
    name: Install Node 8
    command: |
      echo 'export PATH=/usr/local/opt/node@8/bin:$PATH' >> $BASH_ENV
      source $BASH_ENV
      brew install node@8
      brew link node@8
      node -v

  - &install-apple-simulator-utils
    name: Install Apple Simulator Utilities
    command: |
      brew tap wix/brew
      brew install applesimutils

  - &build-ios-app-e2e
    name: Build iOS App for Simulator
    command: yarn run build-ios-e2e

  - &run-ios-detox-tests
    name: Run Detox Tests
    command: yarn run test-ios-e2e

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

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

  - &run-android-e2e-tests
    name: Android End-to-End Test Suite
    command: 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: circleci/android:api-26-node8-alpha
  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"'
    - ANDROID_NDK: '/opt/ndk/android-ndk-r17b'
    - BUILD_THREADS: 2

macos_defaults: &macos_defaults
  <<: *defaults
  macos:
    xcode: "9.4.0"

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

      - 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

  # Runs unit tests on iOS and Apple TV devices
  test_objc:
    <<: *macos_defaults
    parallelism: 3
    steps:
      - attach_workspace:
          at: ~/react-native

      - run: *boot-simulator-iphone-with-parallelism
      - run: *boot-simulator-appletv-with-parallelism
      - run: *brew-install-watchman

      - run: *run-objc-ios-tests-with-parallelism
      - run: *run-objc-tvos-tests-with-parallelism
      - run: *run-podspec-tests-with-parallelism

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

  # Runs end to end tests (Objective-C)
  test_objc_end_to_end:
    <<: *macos_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      - run: *boot-simulator-iphone

      - run: *run-objc-ios-e2e-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: *boot-simulator-iphone

      - run: *install-node-8
      - run: *install-apple-simulator-utils
      - run: *build-ios-app-e2e

      - run: *run-ios-detox-tests

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

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

      # Configure Android SDK and related dependencies
      - run: *configure-android-path
      # Android build deps install from the network faster than cache
      - run: *install-android-build-dependencies

      - restore-cache: *restore-cache-android-packages
      - run: *install-android-packages
      - save-cache: *save-cache-android-packages

      # 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 Android NDK
      - run: *create-ndk-directory
      - restore-cache: *restore-cache-ndk
      - run: *install-ndk
      - save-cache: *save-cache-ndk

      # 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
      # Disabled
      # - 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.
  analyze_pr:
    <<: *js_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      - restore-cache: *restore-cache-analysis
      - run: *yarn
      - run:
          name: Install Additional Dependencies
          command: |
            if [ -n "$CIRCLE_PR_NUMBER" ]; then
              yarn add github@0.2.4
              cd bots
              yarn install --non-interactive --cache-folder ~/.cache/yarn
            else
              echo "Skipping dependency installation."
            fi
      - save-cache: *save-cache-analysis

      - run:
          name: Analyze Pull Request
          command: |
            # DANGER_GITHUB_API_TOKEN=React-Linter public_repo access token
            if [ -n "$CIRCLE_PR_NUMBER" ]; then
              cd bots && DANGER_GITHUB_API_TOKEN="80aa64c50f38a267e9ba""575d41d528f9c234edb8" yarn danger
            else
              echo "Skipping pull request analysis."
            fi
          when: always
      - run:
          name: Analyze Code
          command: |
            # GITHUB_TOKEN=eslint-bot public_repo access token
            if [ -n "$CIRCLE_PR_NUMBER" ]; then
              GITHUB_TOKEN="af6ef0d15709bc91d""06a6217a5a826a226fb57b7" CI_USER=$CIRCLE_PROJECT_USERNAME CI_REPO=$CIRCLE_PROJECT_REPONAME PULL_REQUEST_NUMBER=$CIRCLE_PR_NUMBER scripts/circleci/analyze_code.sh
            else
              echo "Skipping code analysis."
            fi
          when: always

  # Publishes new version onto npm
  # Only works on stable branches when a properly tagged commit is pushed
  publish_npm_package:
    <<: *android_defaults
    steps:
      - attach_workspace:
          at: ~/react-native

      # Configure Android SDK and related dependencies
      - run: *configure-android-path
      - run: *install-android-build-dependencies

      - restore-cache: *restore-cache-android-packages
      - run: *install-android-packages

      # Install Android NDK
      - run: *create-ndk-directory
      - restore-cache: *restore-cache-ndk
      - run: *install-ndk

      # Fetch dependencies using Buck
      - restore-cache: *restore-cache-downloads-buck
      - run: *install-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: Publish React Native Package
          command: |
            echo "//registry.npmjs.org/:_authToken=${CIRCLE_NPM_TOKEN}" > ~/.npmrc
            git config --global user.email "reactjs-bot@users.noreply.github.com"
            git config --global user.name "npm Deployment Script"
            echo "machine github.com login reactjs-bot password $GITHUB_TOKEN" > ~/.netrc
            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 & tvOS
      - test_objc:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

      # End-to-end tests
      - test_objc_end_to_end:
          filters: *filter-ignore-gh-pages
          requires:
            - checkout_code

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


      # Only runs on vX.X.X tags if all tests are green
      - publish_npm_package:
          filters:
            branches:
              only:
                - /.*-stable/
            tags:
              only: /v[0-9]+(\.[0-9]+)*(\-rc(\.[0-9]+)?)?/
          requires:
            - test_javascript
            - test_objc
            - test_android
            - test_objc_end_to_end

  # Only runs on PRs
  analyze:
    jobs:
      # Checkout repo and run Yarn
      - checkout_code:
          filters: *filter-ignore-master-stable

      # Run code checks
      - analyze_pr:
          filters: *filter-ignore-master-stable
          requires:
            - checkout_code