name: 'parse-event'
description: 'Parses a JSON file, that contains all information about the last event.'

outputs:
  base-commit:
    description: 'The hash of the base commit of the event. This is the commit that was previously at the head of the branch before the event.'
    value: ${{ steps.parse.outputs.hash }}
  fetch-depth:
    description: 'The number of commits needed to get the whole diff of the event.'
    value: ${{ steps.parse.outputs.count }}

runs:
  using: 'composite'
  steps:
    - name: Parse event
      id: parse
      shell: powershell
      run: |
        chcp 65001 > $null
        $event = Get-Content "${{ github.event_path }}" | ConvertFrom-Json
        $serverUrl = "${{ github.server_url }}"
        $host = $serverUrl -replace '.*://', ''

        Write-Output "OUT: hash=$($event.before)"
        Write-Output "hash=$($event.before)" | Add-Content -Path $env:GITHUB_OUTPUT

        Write-Output "OUT: count=$($event.commits.Count + 1)"
        Write-Output "count=$($event.commits.Count + 1)" | Add-Content -Path $env:GITHUB_OUTPUT

        Write-Output "ENV: CI_SERVER_HOST=$host"
        Write-Output "CI_SERVER_HOST=$host" | Add-Content -Path $env:GITHUB_ENV