version: 2.1

orbs:
  win: circleci/windows@2.4.0

workflows:
  workflow:
    jobs:
      - go-test:
          name: Go 1.19
          docker-image: cimg/go:1.19
          run-lint: true
          with-coverage: true
      - go-test:
          name: Go 1.18
          docker-image: cimg/go:1.18
      - go-test-windows:
          name: Windows
      - benchmarks

jobs:
  go-test:
    parameters:
      docker-image:
        type: string
      run-lint:
        type: boolean
        default: false
      with-coverage:
        type: boolean
        default: false
    docker:
      - image: <<parameters.docker-image>>
        environment:
          CIRCLE_TEST_REPORTS: /tmp/circle-reports
          CIRCLE_ARTIFACTS: /tmp/circle-artifacts
          COMMON_GO_PACKAGES: >
            github.com/golang/dep/cmd/dep
            github.com/jstemmer/go-junit-report
          GOPRIVATE: github.com/launchdarkly

    steps:
      - checkout
      - run:
          name: Install go-junit-report
          command: go install github.com/jstemmer/go-junit-report/v2@v2.0.0

      - run:
          name: Build
          command: make build

      - run:
          name: Build (easyjson implementation)
          command: make build-easyjson

      - when:
          condition: <<parameters.run-lint>>
          steps:
            - run:
                name: Lint
                command: make lint
    
      - run:
          name: Run tests
          command: |
            mkdir -p $CIRCLE_TEST_REPORTS
            mkdir -p $CIRCLE_ARTIFACTS
            make test | tee $CIRCLE_ARTIFACTS/report.txt
    
      - run:
          name: Run tests (easyjson implementation)
          command: |
            mkdir -p $CIRCLE_TEST_REPORTS
            mkdir -p $CIRCLE_ARTIFACTS
            make test | tee $CIRCLE_ARTIFACTS/report.txt

      - run:
          name: Process test results
          command: go-junit-report < $CIRCLE_ARTIFACTS/report.txt > $CIRCLE_TEST_REPORTS/junit.xml
          when: always
      
      - when:
          condition: <<parameters.with-coverage>>
          steps:
            - run:
                name: Verify test coverage
                command: make test-coverage
            - run:
                name: Store coverage results
                command: cp build/coverage* /tmp/circle-artifacts
                when: always
        
      - store_test_results:
          path: /tmp/circle-reports

      - store_artifacts:
          path: /tmp/circle-artifacts

  go-test-windows:
    executor:
      name: win/default
      shell: powershell.exe

    environment:
      GOPATH: C:\Users\VssAdministrator\go
      GOPRIVATE: github.com/launchdarkly

    steps:
      - checkout
      - run: 
          name: download Go 1.18.5
          command: |
            $ErrorActionPreference = "Stop"
            $installerUrl = "https://go.dev/dl/go1.18.5.windows-amd64.msi"
            (New-Object System.Net.WebClient).DownloadFile($installerUrl, "go1.18.5.windows-amd64.msi")
      - run:
          name: install Go 1.18.5
          command: Start-Process msiexec.exe -Wait -ArgumentList "/I go1.18.5.windows-amd64.msi /quiet"
      - run: go version
      - run:
          name: build and test
          command: |
            cd ${env:GOPATH}\src\${env:PACKAGE_PATH}
            go test -race ./...

  benchmarks:
    docker:
      - image: cimg/go:1.19
        environment:
          CIRCLE_ARTIFACTS: /tmp/circle-artifacts
          GOPRIVATE: github.com/launchdarkly

    steps:
      - checkout

      - run:
          name: Run benchmarks
          command: |
            mkdir -p $CIRCLE_ARTIFACTS
            make benchmarks | tee $CIRCLE_ARTIFACTS/benchmarks.txt
      - run:
          name: Run benchmarks (easyjson implementation)
          command: |
            make benchmarks | tee $CIRCLE_ARTIFACTS/benchmarks-easyjson.txt

      - store_artifacts:
          path: /tmp/circle-artifacts