# .\FrontDoorRoutes.ps1 -SubscriptionId "4820b5d8-cc1d-49bd-93e5-0c7a656371b7" -ResourceGroupName "my-effectory-global" -FrontDoorName "my-effectory-frontDoor"

param(
    [Parameter(Mandatory=$false)]
    [string]$SubscriptionId,
    
    [Parameter(Mandatory=$true)]
    [string]$ResourceGroupName,
    
    [Parameter(Mandatory=$true)]
    [string]$FrontDoorName
)

[string] $date = Get-Date -Format "yyyy-MM-dd HHmm"
$fileName =  ".\$date Front Door Routes ($FrontDoorName).csv" 

# Connect to Azure if not already connected
if (-not (Get-AzContext)) {
    Connect-AzAccount
}

# Select subscription if provided
if ($SubscriptionId) {
    Select-AzSubscription -SubscriptionId $SubscriptionId
    Write-Host "Selected subscription: $SubscriptionId" -ForegroundColor Yellow
}

try {
    # Get Front Door profile
    $frontDoor = Get-AzFrontDoorCdnProfile -ResourceGroupName $ResourceGroupName -Name $FrontDoorName
    
    if (-not $frontDoor) {
        Write-Error "Front Door '$FrontDoorName' not found in resource group '$ResourceGroupName'"
        return
    }

    # Get all endpoints
    $endpoints = Get-AzFrontDoorCdnEndpoint -ResourceGroupName $ResourceGroupName -ProfileName $FrontDoorName
    
    $routeData = @()
    
    foreach ($endpoint in $endpoints) {
        # Get routes for each endpoint
        $routes = Get-AzFrontDoorCdnRoute -ResourceGroupName $ResourceGroupName -ProfileName $FrontDoorName -EndpointName $endpoint.Name
        
        foreach ($route in $routes) {
            # Get origin group details
            $originGroupId = $route.OriginGroupId
            $originGroupName = ($originGroupId -split '/')[-1]
            
            $origins = Get-AzFrontDoorCdnOrigin -ResourceGroupName $ResourceGroupName -ProfileName $FrontDoorName -OriginGroupName $originGroupName
            
            foreach ($origin in $origins) {
                $routeData += [PSCustomObject]@{
                    FrontDoorName = $FrontDoorName
                    EndpointName = $endpoint.Name
                    RouteName = $route.Name
                    RoutePatterns = ($route.PatternsToMatch -join '; ')
                    RouteUrl = "https://$($endpoint.HostName)"
                    OriginGroupName = $originGroupName
                    OriginName = $origin.Name
                    OriginUrl = $origin.HostName
                    OriginEnabled = $origin.EnabledState
                    RouteEnabled = $route.EnabledState
                }
            }
        }
    }
    
    # Export to CSV
    Write-Host "Exporting Front Door routes to: $fileName" -ForegroundColor Green
    $routeData | Export-Csv -Path $fileName -NoTypeInformation -Force
    
    
} catch {
    Write-Error "Error retrieving Front Door routes: $($_.Exception.Message)"
}