parameters:
- name: ApplicationName
  type: string
- name: PathToSearch
  type: string

steps:
- task: PowerShell@2
  displayName: Apply Semantic Versioning to AssemblyInfo Files
  inputs:
    targetType: inline
    script: |
      [string]$ApplicationName = ${{parameters.ApplicationName}}
      [string]$PathToSearch = ${{parameters.PathToSearch}}
      [string]$BuildNumber = $(Build.BuildNumber)
      [string]$SearchFilter = 'AssemblyInfo.*'

      [string]$PatternSplitCharacters = '.'
      [regex]$Pattern = '\d+\.\d+\.\d+\.\d+'
      [int]$PatternExpectedVersionNumbers = 4
      [int]$VersionNumbersInVersion = 4

      if ($BuildNumber -match $Pattern -ne $true) {
        Write-Host "Could not extract a version from [$BuildNumber] using pattern [$Pattern]"
        exit 2
      }

      # Set version variables
      $extractedBuildNumbers = @($Matches[0].Split(([char[]]$PatternSplitCharacters)))
      if ($extractedBuildNumbers.Length -ne $PatternExpectedVersionNumbers) {
        Write-Host "The extracted build number $($Matches[0]) does not contain the expected $PatternExpectedVersionNumbers elements"
        exit 2
      }
    pwsh: true