# Copy the script below into the 'Script' window of the DevOps PowerShell task
# The DevOps PowerShell task should be Version2 and its Type set to Inline.
# InstallShield SAB 2018 must be installed on the build PC.

# Required for ScriptBlock definition
[CmdletBinding()]
# Place all code in a script block so we can run it in 32 bit mode (required to create automation COM object)
$ScriptBlock = 
{
    # Assume we fail
    $returnCode = 1

    # Define our variables
    $ProjectPath = "<relative path, from SourcesDirctory, to ism goes here>"
    # The name of the product configuration folder in the projects 'Releases' view
    $InstallerConfiguration = "Full"
    # The name of the Release in the projects 'Releases' view
    $InstallerRelease = "Release"
    # DevOps pipeline source directory
    $SourceRootPath = $Env:BUILD_SOURCESDIRECTORY
    Write-Host "The source path is: "$SourceRootPath   
    $InstallerProjectFilename = Join-Path $SourceRootPath $ProjectPath
    Write-Host "The project filename is: "$InstallerProjectFilename
    # DevOps pipeline build number (see Build number format in Pipeline Options)
    $BuildVersion = $Env:BUILD_BUILDNUMBER       
    Write-Host "The build version is: "$BuildVersion
     try
     {
        
        # Create the  2018 Installshield COM object
        $installer = New-Object -com ISWiAuto24.ISWiProject
        Write-Host "Installer COM object created"
        $installer.OpenProject($InstallerProjectFilename)
        Write-Host "Opened the Installer project"
        $ProductGUID = $installer.GenerateGUID()
        Write-Host "Created ProductCode: " $ProductGUID
        $installer.ProductCode = $ProductGUID   
        Write-Host "Set ProductCode: " $installer.ProductCode
        $installer.ProductVersion = $BuildVersion
        Write-Host "Set ProductVersion: " $installer.ProductVersion

        # Find the Product Configuration which holds the release that is built
        $ProductConfig = $installer.ISWiProductConfigs.Item($InstallerConfiguration)
        if($ProductConfig)
        {
            Write-Host "Found ProductConfiguration called: " $InstallerConfiguration
            # Find the Release
            $ReleaseItem = $ProductConfig.ISWiReleases.Item($InstallerRelease)
            if($ReleaseItem)
            {
                Write-Host "Found the Release called: " $InstallerRelease
                Write-Host "Starting the build... "
                $ReleaseItem.Build()
                Write-Host "Built"
                # Set the return code based on the error count, i.e. if there were no errors the return code will be 0
                $returnCode = $ReleaseItem.BuildErrorCount
                Write-Host "Build completed with " $returnCode "errors"               
            }
        }

        # Close the project        
        $installer.CloseProject()
        Write-Host "Project closed"
    }
    catch
    {
        Write-Error "Exception details-: $($_)"    
    }
    finally
    {
        if($installer)
        {
            [System.Runtime.Interopservices.Marshal]::ReleaseComObject($installer)
        }
    }
    
    # Finish by returning error code (0 is success)
    return $returnCode
}

Write-Host "Starting installer build job which will take some time..."
# Execute the ScriptBlock as a 32bit process (required because create COM object failed on 64bit build PC)
$result = Start-Job -ScriptBlock $ScriptBlock -Authentication Default -RunAs32 | Wait-Job | Receive-Job

if($result -eq 0)
{
    Write-Host "Application Installer built successfully"
}
else
{
    Write-Host "Failed to built Application Installer"
}

exit $result