param (
    [string]$Path,
    [string]$Password,
    [int]$SpeedLimit=300,
    [switch]$SelfDestruct
)

## Immediately delete this script from disk, if requested
if ( $SelfDestruct ) {
    try { Remove-Item $MyINvocation.InvocationName -Force }
    catch { Write-Host "Self destruct failed, killing script!"; exit } }

## Download required tools
$DOWNLOAD_TOOLS_SCRIPT = "https://emberkom.s3.amazonaws.com/management/scripts/Download-Tools.ps1"
try { Invoke-Expression ((New-Object System.Net.WebClient).DownloadString($DOWNLOAD_TOOLS_SCRIPT)) }
catch { Write-Host "Required tools failed to download!"; exit }

## Make sure WinSCP exists
$WINSCP = "${Env:Temp}\Emberkom\Tools\winscp.com"
if ( !(Test-Path "${WINSCP}") ) {
    if ( Test-Path "${Env:ProgramData}\Emberkom\Tools\winscp.com" ) {
        $WINSCP = "${Env:ProgramData}\Emberkom\Tools\winscp.com"
    } else { Write-Host "WinSCP does not exist!"; exit } }

## Prepare WinSCP script file
$HOSTNAME = 'xfer.emberkom.net'
$HOSTKEY  = 'ecdsa-sha2-nistp256 256 5iJFeMzLK5Ld7gbLn+NlcYyI+DvbSXB8fmFJLLDh7s0='
$USERNAME = 'JeQCXVBI80Pj3nL'
#$PASSWORD = ''
$SCRIPT_FILE = [System.IO.Path]::GetTempFileName()
$UPLOAD_SCRIPT = @(
    "echo off",
    "option batch on",
    "option confirm off",
    "open sftp://${USERNAME}:${Password}@${HOSTNAME}/ -hostkey=`"${HOSTKEY}`"",
    "mkdir `"${Env:ComputerName}`"",
    "cd `"${Env:ComputerName}`"",
    "mkdir `"${Env:Username}`"",
    "cd `"${Env:Username}`"",
    "mkdir `"Manual Upload`"",
    "cd `"Manual Upload`"",
    "put -resume -nopermissions -preservetime -speed=${SpeedLimit} -resumesupport=on -neweronly `"${Path}`"",
    "exit")
try { ForEach ($line in $UPLOAD_SCRIPT) { $line | Out-File "${SCRIPT_FILE}" -Append } }
catch { Write-Host "Script file could not be created: ${SCRIPT_FILE}"; exit }

## Upload the data
try { Start-Process -WindowStyle Hidden "${WINSCP}" -ArgumentList "/script=`"${SCRIPT_FILE}`"" -Wait }
catch { Write-Host "Data transfer failed!" }

## Delete the script file
try { Remove-Item -Path "${SCRIPT_FILE}" -Force }
catch { Write-Host "Script file could not be deleted: ${SCRIPT_FILE}" }