# FTP 上传脚本 (UTF-8 BOM) - 健壮版
$FtpHost="116.198.221.125"
$FtpPort=21
$FtpUser="wenchuanyi"
$FtpPass="r7P^f*v7rFts"
$RemoteRoot="/"
$Stage = Join-Path $env:TEMP "wcy_publish_staging"

function New-FtpReq([string]$path,[string]$method){
    $uri="ftp://${FtpHost}:${FtpPort}/"+$path.TrimStart('/')
    $r=[System.Net.FtpWebRequest]::Create($uri)
    $r.Method=$method
    $r.Credentials=New-Object System.Net.NetworkCredential($FtpUser,$FtpPass)
    $r.UsePassive=$true
    $r.UseBinary=$true
    $r.KeepAlive=$false
    $r.Timeout=120000
    return $r
}
function MkDir([string]$p){
    $r=New-FtpReq $p ([System.Net.WebRequestMethods+Ftp]::MakeDirectory)
    try{ $null=$r.GetResponse() }catch{}
}
function Exist([string]$p){
    $r=New-FtpReq $p ([System.Net.WebRequestMethods+Ftp]::GetDateTimestamp)
    try{ $null=$r.GetResponse(); return $true }catch{ return $false }
}
function UpFile([string]$lp,[string]$rp){
    $r=New-FtpReq $rp ([System.Net.WebRequestMethods+Ftp]::UploadFile)
    $b=[System.IO.File]::ReadAllBytes($lp)
    $r.ContentLength=$b.Length
    $s=$r.GetRequestStream()
    try{ $s.Write($b,0,$b.Length) }finally{ $s.Close() }
    $resp=$r.GetResponse()
    try{ $resp.Close() }catch{}
}
function UpDir([string]$ld,[string]$rd){
    foreach($d in Get-ChildItem $ld -Directory){
        $c="$rd/$($d.Name)"
        if(-not (Exist $c)){ MkDir $c }
        UpDir $d.FullName $c
    }
    foreach($f in Get-ChildItem $ld -File){
        $rf="$rd/$($f.Name)"
        try{
            if(-not (Exist $rf)){ UpFile $f.FullName $rf; Write-Host "UP $rf" }
            else { Write-Host "SKIP(exists) $rf" }
        }catch{
            Write-Host "RETRY $rf"
            try{ UpFile $f.FullName $rf; Write-Host "OK $rf" }catch{ Write-Host "FAIL $rf : $_" }
        }
    }
}

if(-not (Test-Path $Stage)){ Write-Host "STAGING_MISSING"; exit 1 }
if(-not (Exist $RemoteRoot)){ MkDir $RemoteRoot }
UpDir $Stage $RemoteRoot
Write-Host "FTP_UPLOAD_DONE"
Remove-Item $Stage -Recurse -Force