version: 2.1
workflows:
  macos:
    jobs:
      - build_for_macos:
          context: scratch-desktop-and-link
  windows:
    jobs:
      - build_for_windows:
          context: scratch-desktop-and-link
orbs:
  windows: circleci/windows@2.2.0
aliases:
  - &should_sign
    or:
      - equal: [ develop, << pipeline.git.branch >> ]
      - equal: [ main, << pipeline.git.branch >> ]
      - equal: [ master, << pipeline.git.branch >> ]
jobs:
  build_for_macos:
    macos:
      xcode: 11.1.0 # last version for which CircleCI uses macOS 10.14.x
    steps:
      - checkout
      - npm_install:
          npmCacheDir: ~/.npm
      - run:
          name: Test
          command: npm run test
      - when:
          condition:
            *should_sign
          steps:
            - run:
                name: Set up code-signing keychain
                command: |
                  set -e
                  function decodeToFile () {
                    if [ -z "$1" ]; then
                      echo "Missing or invalid filename"
                      return 1
                    fi
                    if [ -z "$2" ]; then
                      echo "Missing environment variable contents for file: $1"
                      return 2
                    fi
                    echo "$2" | base64 --decode > "$1"
                  }
                  decodeToFile code-to-learn-macos.p12 "${CSC_MACOS}"
                  security -v create-keychain -p circleci circleci.keychain
                  security -v default-keychain -s circleci.keychain
                  security -v import code-to-learn-macos.p12 -k circleci.keychain -P "" -T /usr/bin/codesign -T /usr/bin/productbuild
                  security -v unlock-keychain -p circleci circleci.keychain
                  # "set-key-partition-list" prints extensive not-so-useful output and adding "-q" (even multiple times) doesn't suppress it.
                  # The "grep -v" at the end of this line suppresses all of that so any errors or warnings might be more visible.
                  security -v set-key-partition-list -S apple-tool:,apple:,codesign: -s -k circleci circleci.keychain | grep -v '^    0x'
                  security -v set-keychain-settings -lut 600 circleci.keychain
                  security -v find-identity circleci.keychain
                  rm code-to-learn-macos.p12
      - restore_cache:
          name: Restore Homebrew cache
          key: homebrew-cache-v1
      - run:
          name: Work around electron-userland/electron-builder#4964
          command: |
            brew install go go-bindata
            git -C ~ clone https://github.com/develar/app-builder.git
            git -C ~/app-builder checkout b85740334fec875f5dd8dcd22eb1f729599109db
            make --directory=~/app-builder build
            ln -sfv ~/app-builder/dist/app-builder_darwin_amd64/app-builder ./node_modules/app-builder-bin/mac/
      - save_cache:
          name: Save Homebrew cache
          paths:
            - ~/Library/Caches/Homebrew
            - /usr/local/Homebrew
          key: homebrew-cache-v1
      - run:
          name: Build
          command: npm run dist
      - run:
          name: Move macOS build products to artifacts directory
          command: |
            mkdir -p Artifacts/
            mv dist/{Scratch*.dmg,mas/Scratch*.pkg} Artifacts/
      - store_artifacts:
          path: Artifacts/
  build_for_windows:
    executor:
      name: windows/default
      shell: bash
    steps:
      - run:
          # work around https://github.com/appveyor/ci/issues/2420 which seems to affect CircleCI too
          # see also https://circleci.com/docs/2.0/env-vars/#using-parameters-and-bash-environment
          name: Work around git-sh-setup issue
          command: |
            echo 'Adding libexec/git-core to PATH...'
            echo 'For more details see https://github.com/appveyor/ci/issues/2420'
            echo 'export PATH="$PATH:/c/Program Files/Git/mingw64/libexec/git-core"' >> $BASH_ENV
      - checkout
      - npm_install:
          npmCacheDir: "C:/Users/circleci/AppData/Roaming/npm-cache"
      - run:
          name: Test
          command: npm run test
      - when:
          condition:
            false #*should_sign
          steps:
            - run:
                name: Import code-signing certificate
                shell: powershell
                command: |
                  $ErrorActionPreference = "Stop"
                  # TODO: is there a way to avoid creating a temporary file?
                  $tempPfx = New-TemporaryFile
                  try {
                      $env:WIN_CSC_LINK | Set-Content $tempPfx
                      $securePassword = (ConvertTo-SecureString -String $env:WIN_CSC_KEY_PASSWORD -AsPlainText -Force)
                      Import-PfxCertificate -FilePath $tempPfx -Password $securePassword -CertStoreLocation "Cert:/LocalMachine/My"
                  }
                  finally {
                      Remove-Item -Force $tempPfx
                  }
      - run:
          name: Build
          command: npm run dist
      - run:
          name: Move Windows build products to artifacts directory
          command: |
            mkdir -p Artifacts/
            mv dist/{Scratch*.appx,Scratch*.exe} Artifacts/
      - store_artifacts:
          path: Artifacts/
commands:
  npm_install:
    description: Run 'npm install' with caching
    parameters:
      npmCacheDir:
        type: string
        description: NPM cache directory (`npm config cache get`) - usually either ~/.npm or %AppData%/npm-cache
    steps:
      - restore_cache:
          keys:
            - npm-cache-{{ arch }}-{{ checksum "package-lock.json" }}
      - run:
          name: Install node_modules
          # --prefer-offline "will make npm skip any conditional requests (304 checks) for stale cache data, and only
          #   hit the network if something is missing from the cache"
          command: npm ci --prefer-offline
      - save_cache:
          paths:
            - << parameters.npmCacheDir >>
          key: npm-cache-{{ arch }}-{{ checksum "package-lock.json" }}