Import-Module $env:SyncroModule

$Random = get-random -min 1 -max 100
start-sleep $random

######### Absolute monitoring values ########## 
$maxpacketloss = 2 #how much % packetloss until we alert. 
$MinimumDownloadSpeed = 10 #What is the minimum expected download speed in Mbit/ps
$MinimumUploadSpeed = 1 #What is the minimum expected upload speed in Mbit/ps
######### End absolute monitoring values ######
 
#Replace the Download URL to where you've uploaded the ZIP file yourself. We will only download this file once. 
#Latest version can be found at: https://www.speedtest.net/nl/apps/cli
$DownloadURL = "https://bintray.com/ookla/download/download_file?file_path=ookla-speedtest-1.0.0-win64.zip"
$DownloadLocation = "$($Env:ProgramData)\SpeedtestCLI"
try {
    $TestDownloadLocation = Test-Path $DownloadLocation
    if (!$TestDownloadLocation) {
        new-item $DownloadLocation -ItemType Directory -force
        Invoke-WebRequest -Uri $DownloadURL -OutFile "$($DownloadLocation)\speedtest.zip"
        Expand-Archive "$($DownloadLocation)\speedtest.zip" -DestinationPath $DownloadLocation -Force
    } 
}
catch {  
    write-host "The download and extraction of SpeedtestCLI failed. Error: $($_.Exception.Message)"
    exit 1
}
$PreviousResults = if (test-path "$($DownloadLocation)\LastResults.txt") { get-content "$($DownloadLocation)\LastResults.txt" | ConvertFrom-Json }
$SpeedtestResults = & "$($DownloadLocation)\speedtest.exe" --format=json --accept-license --accept-gdpr
$SpeedtestResults | Out-File "$($DownloadLocation)\LastResults.txt" -Force
$SpeedtestResults = $SpeedtestResults | ConvertFrom-Json
 
#creating object
[PSCustomObject]$SpeedtestObj = @{
    downloadspeed = [math]::Round($SpeedtestResults.download.bandwidth / 1000000 * 8, 2)
    uploadspeed   = [math]::Round($SpeedtestResults.upload.bandwidth / 1000000 * 8, 2)
    packetloss    = [math]::Round($SpeedtestResults.packetLoss)
    isp           = $SpeedtestResults.isp
    ExternalIP    = $SpeedtestResults.interface.externalIp
    InternalIP    = $SpeedtestResults.interface.internalIp
    UsedServer    = $SpeedtestResults.server.host
    ResultsURL    = $SpeedtestResults.result.url
    Jitter        = [math]::Round($SpeedtestResults.ping.jitter)
    Latency       = [math]::Round($SpeedtestResults.ping.latency)
}
$SpeedtestHealth = @()
#Comparing against previous result. Alerting is download or upload differs more than 20%.
if ($PreviousResults) {
    if ($PreviousResults.download.bandwidth / $SpeedtestResults.download.bandwidth * 100 -le 80) { $SpeedtestHealth += "Download speed difference is more than 20%" }
    if ($PreviousResults.upload.bandwidth / $SpeedtestResults.upload.bandwidth * 100 -le 80) { $SpeedtestHealth += "Upload speed difference is more than 20%" }
}
 
#Comparing against preset variables.
if ($SpeedtestObj.downloadspeed -lt $MinimumDownloadSpeed) { $SpeedtestHealth += "Download speed is lower than $MinimumDownloadSpeed Mbit/ps" }
if ($SpeedtestObj.uploadspeed -lt $MinimumUploadSpeed) { $SpeedtestHealth += "Upload speed is lower than $MinimumUploadSpeed Mbit/ps" }
if ($SpeedtestObj.packetloss -gt $MaxPacketLoss) { $SpeedtestHealth += "Packetloss is higher than $maxpacketloss%" }
 
if (!$SpeedtestHealth) {
    $SpeedtestHealth = "Healthy"
}

Set-Asset-Field -Subdomain "fresh-tech" -Name "Download Speed" -Value $SpeedtestObj.downloadspeed
Set-Asset-Field -Subdomain "fresh-tech" -Name "Upload Speed" -Value $SpeedtestObj.uploadspeed
Set-Asset-Field -Subdomain "fresh-tech" -Name "Packet Loss" -Value $SpeedtestObj.packetloss
Set-Asset-Field -Subdomain "fresh-tech" -Name "Speedtest Health" -Value $SpeedtestHealth