param(
    [Parameter(Mandatory=$true)][string]$Server,
    [Parameter(Mandatory=$true)][string]$Owner,
    [Parameter(Mandatory=$true)][string]$Repo,
    [Parameter(Mandatory=$true)][string]$Token,
    [Parameter(Mandatory=$true)][string]$Directory
)

$ErrorActionPreference = 'Stop'

if (-not (Test-Path -LiteralPath $Directory)) {
    throw "Directory not found: $Directory"
}

$headers = @{ Authorization = "token $Token" }

$latestUrl = "$Server/api/v1/repos/$Owner/$Repo/releases/latest"
$latest = Invoke-RestMethod -Headers $headers -Method GET -Uri $latestUrl
if (-not $latest -or -not $latest.id) {
    throw "Failed to get latest release from $latestUrl"
}
$rid = [string]$latest.id
Write-Host "Latest release id: $rid"

$files = Get-ChildItem -LiteralPath $Directory -Recurse -File
if (-not $files) {
    Write-Host "No files to upload in $Directory"
    exit 0
}

foreach ($f in $files) {
    $name = $f.Name
    $escapedName = [System.Uri]::EscapeDataString($name)
    $uploadUrl = "$Server/api/v1/repos/$Owner/$Repo/releases/$rid/assets?name=$escapedName"
    Write-Host "Uploading $name ..."
    try {
        $resp = Invoke-WebRequest -Headers $headers -Method Post -Uri $uploadUrl -Form @{ attachment = $f }
        Write-Host "  OK ($($resp.StatusCode))"
    }
    catch {
        Write-Host "  FAIL: $name -> $($_.Exception.Message)" -ForegroundColor Red
    }
}