name: Prepare for a release

on:
  workflow_dispatch:
    inputs:
      tag-prefix:
        type: choice
        options:
        - core-
        - coreunstable-
        description: 'Release tag prefix'
        required: true
      version:
        type: string
        description: 'Release version'
        required: true

  pull_request:
    types:
    - closed

  issue_comment:
    types:
    - created

permissions:
  contents: write
  pull-requests: write

jobs:
  prepare-release-pr:
    if: github.event_name == 'workflow_dispatch'

    runs-on: windows-latest

    steps:
    - name: check out code
      uses: actions/checkout@v4

    - name: Create GitHub Pull Request to prepare release
      shell: pwsh
      run: |
        Import-Module .\build\scripts\prepare-release.psm1

        CreatePullRequestToUpdateChangelogsAndPublicApis `
          -minVerTagPrefix '${{ inputs.tag-prefix }}' `
          -version '${{ inputs.version }}' `
          -targetBranch '${{ github.ref_name }}'
      env:
        GH_TOKEN: ${{ github.token }}

  lock-pr-and-post-notice-to-create-release-tag:
    if: |
      github.event_name == 'pull_request'
      && github.event.action == 'closed'
      && github.event.pull_request.user.login == 'github-actions[bot]'
      && github.event.pull_request.merged == true
      && startsWith(github.event.pull_request.title, '[repo] Prepare release ')

    runs-on: windows-latest

    steps:
    - name: check out code
      uses: actions/checkout@v4

    - name: Lock GitHub Pull Request to prepare release
      shell: pwsh
      run: |
        Import-Module .\build\scripts\prepare-release.psm1

        LockPullRequestAndPostNoticeToCreateReleaseTag `
          -pullRequestNumber '${{ github.event.pull_request.number }}'
      env:
        GH_TOKEN: ${{ github.token }}

  create-release-tag-unlock-pr-post-notice:
    if: |
      github.event_name == 'issue_comment'
      && github.event.issue.pull_request
      && github.event.issue.locked == true
      && contains(github.event.comment.body, '/CreateReleaseTag')
      && startsWith(github.event.issue.title, '[repo] Prepare release ')
      && github.event.issue.pull_request.merged_at

    runs-on: windows-latest

    outputs:
      tag: ${{ steps.create-tag.outputs.tag }}

    steps:
    - name: check out code
      uses: actions/checkout@v4
      with:
        # Note: By default GitHub only fetches 1 commit which fails the git tag operation below
        fetch-depth: 0

    - name: Create release tag
      id: create-tag
      shell: pwsh
      run: |
        Import-Module .\build\scripts\prepare-release.psm1

        $tag = ''

        CreateReleaseTag `
          -pullRequestNumber '${{ github.event.issue.number }}' `
          -actionRunId '${{ github.run_id }}' `
          -tag ([ref]$tag)

        echo "tag=$tag" >> $env:GITHUB_OUTPUT
      env:
        GH_TOKEN: ${{ github.token }}

  invoke-package-workflow:
    needs: create-release-tag-unlock-pr-post-notice
    uses: ./.github/workflows/publish-packages-1.0.yml
    with:
      tag: ${{ needs.create-release-tag-unlock-pr-post-notice.outputs.tag }}

  post-packages-ready-notice:
    needs:
    - create-release-tag-unlock-pr-post-notice
    - invoke-package-workflow
    runs-on: windows-latest
    steps:
    - name: check out code
      uses: actions/checkout@v4

    - name: Post notice when packages are ready
      shell: pwsh
      run: |
        Import-Module .\build\scripts\prepare-release.psm1

        PostPackagesReadyNotice `
          -pullRequestNumber '${{ github.event.issue.number }}' `
          -tag '${{ needs.create-release-tag-unlock-pr-post-notice.outputs.tag }}' `
          -packagesUrl '${{ needs.invoke-package-workflow.outputs.artifact-url }}'
      env:
        GH_TOKEN: ${{ github.token }}