$psnFQDN            = $args[0]  # PSN fqdn
$userName           = $args[1]  # user name
$sessionId          = $args[2]  # session id
$script:postureJob  = $args[3]  # posture job name to be cleaned up
$EPLogFile          = $args[4]  # Endpoint log file
$CertThumbprints    = $args[5]  # Certs Thumbprints location
$certPath           = $args[6]  # Cert location


$script:retryNum = -1
$script:retryDelay = -1
$agent_dir = "agentless_" + "$sessionIdStrip"
Remove-Item -Recurse -Force  $agent_dir 2>  $null
New-Item  $agent_dir -ItemType "directory"  -Force
cd "$agent_dir"
$ExistingPluginHashU = $ExistingPluginHash.ToUpper()
$downloadLinkAH = "https`://$psnFQDN`:8905/auth/provisioning/agentless?sessionId=$sessionId&agentVersion=$AgentVersion&hash=$ExistingPluginHashU"
$script:PostureTimeout = 300   #go with initial timeout of 5 mins and reset this as soon as we get header value from posture 
$script:HeaderFile = $Admin_Dir + $agent_dir + '\header_' + $sessionIdStrip + '.txt'
$script:PostureTimeoutSet = $false

do {   
    curl.exe -V 2> $null
    if ( $? ) {
        EP-Log-Message "Hitting URL $downloadLinkAH with Timeout $script:PostureTimeout"
        curl.exe -A "$osID.$platformId.$platformType.$majorVer.$minorVer.$productCode" $downloadLinkAH -o "$sessionIdStrip.zip" --cacert "$certPath" -D "header_$sessionIdStrip.txt" -m $script:PostureTimeout 2>&1 >> $EPLogFile 
        if($LASTEXITCODE -eq 0){
            EP-Log-Message "Curl command succeeded"
        } else {
            if ($LASTEXITCODE -eq 28) {
                Trigger-Status 1 "Curl Timeout Error Unable to download agentless posture" 
            } else {
                Trigger-Status 1 "Curl Error code $LASTEXITCODE Unable to download agentless posture with return code"
            }
            $script:CurlFailure = $true
            break
	}
}
        if(Test-Path -Path "header_$sessionIdStrip.txt"){
            $script:HttpStatus = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "HTTP/1.1") -split " ")[1]
            $script:FileHash = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-FileHash") -split ": ")[1]
            $script:CachePlugin = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-CachingPlugin") -split ": ")[1]
            $script:DummyFile = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-DummyFile") -split ": ")[1]
            $script:DebugMode = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-DebugLogMode") -split ": ")[1]
            $script:StatusDelay = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-StatusDelay") -split ": ")[1]
            $script:LogRetentionDays = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-LogRetentionDays") -split ": ")[1]      
            $script:DownloadLogDays = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-DownloadLogDays") -split ": ")[1]      
            $script:NotificationPopupTime = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-NotificationPopupTime") -split ": ")[1]      

        } else {
            Trigger-Status 1 "Unable to extract Headers from curl command while downloading agentless package" 
            $script:CurlFailure = $true
            break
        }
        
        if(!$script:PostureTimeoutSet){
            if(($HttpStatus -eq 200 ) -or ($HttpStatus -eq 429)){
                $script:PostureTimeout = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-TimeOut") -split ": ")[1]
                $script:PostureTimeoutSet = $true
                ## Start the timer
                $script:timer = [Diagnostics.Stopwatch]::StartNew()
            }
        }
    }
    else {
        $StatusLink = "https`://$psnFQDN`:8905/auth/agentless/status?sessionId=" + $sessionId
        $Data = '{"status":"1","reason":"CURL is not installed on endpoint"}'
        EP-Log-Message "Reporting Curl absence via Invoke-WebRequest ... "
        Invoke-WebRequest -Uri $StatusLink -Method 'POST'  -Headers @{'Accept'= 'application/json'; 'Content-Type'= 'application/json'} -Body $Data -Certificate $certPath
    }

    if ($HttpStatus -eq 200) {
        if (($DebugMode -ne 1) -and ($DebugMode -ne 3)){
            Extract-LaunchAgentLessPLugin
        }
        break
    } elseif ($HttpStatus -eq 429) {
        if ($script:retryNum -eq -1) {
            $script:retryNum = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-RetryNum") -split ": ")[1]
        }else {
            $script:retryNum = $script:retryNum - 1
        }
        if ($script:retryDelay -eq -1) {
            $script:retryDelay = ((Select-String -Path "header_$sessionIdStrip.txt" -Pattern "X-RetryDelay") -split ": ")[1]
        }            
    } elseif (($DebugMode -ne 1) -and ($DebugMode -ne 3)) {
        Trigger-Status 1 "Error occurred unable to download agentless plugin"
        break
    }
    if (($script:retryDelay -gt 0) -and ($script:retryNum -gt 0)) {
        EP-Log-Message "waiting for $script:retryDelay secs before retrying download , retryNum $script:retryNum"
        Start-Sleep $script:retryDelay
    }
    
} while ($script:retryNum -gt 0)

if ($script:retryNum -eq 0) {
    Trigger-Status 1 "Retries to download via curl are done"
}