name: Get Go versions
on:
  schedule:
    - cron: '0 3,15 * * *'
  workflow_dispatch:

env:
  TOOL_NAME: "Go"
defaults:
  run:
    shell: pwsh

jobs:
  find_new_versions:
    name: Find new versions
    runs-on: ubuntu-latest
    outputs:
      versions_output: ${{ steps.Get_new_versions.outputs.TOOL_VERSIONS }}
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - id: Get_new_versions
        name: Get new versions
        run: ./helpers/get-new-tool-versions/get-new-tool-versions.ps1 -ToolName ${{ env.TOOL_NAME }}

  check_new_versions:
    name: Check new versions
    runs-on: ubuntu-latest
    needs: find_new_versions
    env:
      TOOL_VERSIONS: ${{needs.find_new_versions.outputs.versions_output}}
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Check Versions
        if: env.TOOL_VERSIONS == ''
        run: |
          Write-Host "No new versions were found"
          Import-Module "./helpers/github/github-api.psm1"
          $gitHubApi = Get-GitHubApi -RepositoryFullName "$env:GITHUB_REPOSITORY" `
                                     -AccessToken "${{ secrets.PERSONAL_TOKEN }}"

          $gitHubApi.CancelWorkflow("$env:GITHUB_RUN_ID")
          Start-Sleep -Seconds 60

      - name: Send Slack notification
        run: |
          $pipelineUrl = "$env:GITHUB_SERVER_URL/$env:GITHUB_REPOSITORY/actions/runs/$env:GITHUB_RUN_ID"
          $message = "The following versions of '${{ env.TOOL_NAME }}' are available to upload: ${{ env.TOOL_VERSIONS }}\nLink to the pipeline: $pipelineUrl"
          ./helpers/get-new-tool-versions/send-slack-notification.ps1 -Url "${{ secrets.SLACK_CHANNEL_URL }}" `
                                                                      -ToolName "${{ env.TOOL_NAME }}" `
                                                                      -ImageUrl "https://golang.org/lib/godoc/images/footer-gopher.jpg" `
                                                                      -Text "$message"
          
  trigger_builds:
    name: Trigger builds
    runs-on: ubuntu-latest
    needs: [find_new_versions, check_new_versions]
    env:
      TOOL_VERSIONS: ${{needs.find_new_versions.outputs.versions_output}}
    environment: Get Available Tools Versions - Publishing Approval
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Trigger "Build go packages" workflow
        run:
          ./helpers/github/run-ci-builds.ps1 -RepositoryFullName "$env:GITHUB_REPOSITORY" `
                                             -AccessToken "${{ secrets.PERSONAL_TOKEN }}" `
                                             -WorkflowFileName "build-go-packages.yml" `
                                             -WorkflowDispatchRef "main" `
                                             -ToolVersions "${{ env.TOOL_VERSIONS }}" `
                                             -PublishReleases "true"

  check_build:
    name: Check build for failures 
    runs-on: ubuntu-latest
    needs: [find_new_versions, check_new_versions, trigger_builds]
    if: failure()
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Send Slack notification if build fails
        run: |
          $pipelineUrl = "$env:GITHUB_SERVER_URL/$env:GITHUB_REPOSITORY/actions/runs/$env:GITHUB_RUN_ID"
          $message = "The build of the '${{ env.TOOL_NAME }}' detection pipeline failed :progress-error:\nLink to the pipeline: $pipelineUrl"
          ./helpers/get-new-tool-versions/send-slack-notification.ps1 -Url "${{ secrets.SLACK_CHANNEL_URL }}" `
                                                                      -ToolName "${{ env.TOOL_NAME }}" `
                                                                      -Text "$message" `
                                                                      -ImageUrl "https://golang.org/lib/godoc/images/footer-gopher.jpg"