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

      Function Get-VersionString($numberOfVersions, $extractedBuildNumbers) {
        return [string]::Join('.',($extractedBuildNumbers | select -First ($numberOfVersions)))
      }

      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
      }

      $version = Get-VersionString -numberOfVersions $VersionNumbersInVersion -extractedBuildNumbers $extractedBuildNumbers
      $fileVersion = Get-VersionString -numberOfVersions $VersionNumbersInVersion -extractedBuildNumbers $extractedBuildNumbers
      Write-Host "Using version $version and file version $fileVersion"

      # iterate the search path (and sub directories) looking for files that match the search filter
      Get-ChildItem -Path $PathToSearch -Filter $SearchFilter -Recurse | % {
        #Write-Host "  -> Checking $($_.FullName)"
		 
        # remove the read-only bit on the file
        #Set-ItemProperty $_.FullName -name IsReadOnly -value $false
 
        # run the regex replace
        #$content = Get-Content $_.FullName
        #$content = Replace-Version -content $content -version $version -attribute 'AssemblyVersion'
        #$content = Replace-Version -content $content -version $fileVersion -attribute 'AssemblyFileVersion'
        #$content | Set-Content $_.FullName -Encoding UTF8
      }    
    pwsh: true