& {
# Ryvion DePIN Node Windows Installer
$ErrorActionPreference = "Stop"
$HubURL = "https://ryvion-hub.fly.dev"
$BindToken = ""
$InstallPath = "$env:ProgramFiles\Ryvion"
$UIPort = "45890"

Write-Host ""
Write-Host "  Ryvion DePIN Node Installer" -ForegroundColor Cyan
Write-Host "  ===========================" -ForegroundColor Cyan
Write-Host ""

# Check administrator privileges
$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
if (-not $isAdmin) {
    Write-Host "  [ERROR] This script requires administrator privileges." -ForegroundColor Red
    Write-Host "  Please right-click PowerShell and select 'Run as Administrator'." -ForegroundColor Yellow
    return
}

try {
    # Stop existing service before updating (Windows locks running .exe files)
    $existingSvc = Get-Service -Name "RyvionNode" -ErrorAction SilentlyContinue
    if ($existingSvc) {
        Write-Host "  [0/5] Stopping existing service..." -ForegroundColor Yellow
        # Disable failure recovery before stopping to prevent SCM auto-restart
        sc.exe failureflag RyvionNode 0 2>$null | Out-Null
        sc.exe failure RyvionNode reset= 0 actions= "" 2>$null | Out-Null
        Stop-Service -Name "RyvionNode" -Force -ErrorAction SilentlyContinue
        Start-Sleep -Seconds 2
        # Kill any leftover process
        Get-Process -Name "ryvion-node" -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue
        Start-Sleep -Seconds 1
        Write-Host "  [OK] Existing service stopped" -ForegroundColor Green
    }

    Write-Host "  [1/5] Downloading binary..." -ForegroundColor Yellow
    $releaseUrl = "$HubURL/download/windows/binary"
    $tempZip = Join-Path $env:TEMP "ryvion-node.zip"
    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
    Invoke-WebRequest -Uri $releaseUrl -OutFile $tempZip -UseBasicParsing

    if (-not (Test-Path $tempZip)) { throw "Download failed" }
    $zipSize = (Get-Item $tempZip).Length
    Write-Host "  [OK] Download completed ($([math]::Round($zipSize/1MB, 1)) MB)" -ForegroundColor Green

    Write-Host "  [2/5] Installing..." -ForegroundColor Yellow
    New-Item -ItemType Directory -Path $InstallPath -Force | Out-Null
    Expand-Archive -Path $tempZip -DestinationPath $InstallPath -Force
    $binPath = Join-Path $InstallPath "ryvion-node.exe"
    if (-not (Test-Path $binPath)) { throw "Binary not found after extraction at $binPath" }
    Write-Host "  [OK] Extracted to $InstallPath" -ForegroundColor Green

    Write-Host "  [3/5] Configuring PATH..." -ForegroundColor Yellow
    $machinePath = [Environment]::GetEnvironmentVariable("Path", "Machine")
    if ($machinePath -notlike "*$InstallPath*") {
        [Environment]::SetEnvironmentVariable("Path", "$machinePath;$InstallPath", "Machine")
    }
    Write-Host "  [OK] PATH updated" -ForegroundColor Green

    Write-Host "  [4/5] Writing config..." -ForegroundColor Yellow
    $cfgDir = Join-Path $env:USERPROFILE ".ryvion"
    if (-not (Test-Path $cfgDir)) { New-Item -ItemType Directory -Path $cfgDir -Force | Out-Null }
    $cfgPath = Join-Path $cfgDir "config.json"
    $cfgObj = @{ hub_url = $HubURL; device_type = "auto"; log_level = "info" }
    if ($BindToken -and $BindToken.Length -gt 0) { $cfgObj["bind_token"] = $BindToken }
    $cfgObj | ConvertTo-Json | Out-File -FilePath $cfgPath -Encoding ASCII -Force
    [Environment]::SetEnvironmentVariable("RYV_HUB_URL", $HubURL, "Machine")
    [Environment]::SetEnvironmentVariable("RYV_UI_PORT", $UIPort, "Machine")
    if ($BindToken -and $BindToken.Length -gt 0) {
        [Environment]::SetEnvironmentVariable("RYV_BIND_TOKEN", $BindToken, "Machine")
    }
    Write-Host "  [OK] Config saved to $cfgPath" -ForegroundColor Green

    Write-Host "  [5/5] Installing service..." -ForegroundColor Yellow
    $svcArgs = """$binPath"" -hub $HubURL -ui-port $UIPort"
    if (-not $existingSvc) {
        New-Service -Name "RyvionNode" -BinaryPathName $svcArgs -DisplayName "Ryvion DePIN Node" -StartupType Automatic -Description "Ryvion distributed compute node" -ErrorAction Stop | Out-Null
    } else {
        sc.exe config RyvionNode binPath= $svcArgs | Out-Null
    }
    # Configure automatic restart on failure (restart after 5s, 10s, 30s)
    sc.exe failure RyvionNode reset= 86400 actions= restart/5000/restart/10000/restart/30000 | Out-Null
    sc.exe failureflag RyvionNode 1 | Out-Null
    $svc = Get-Service -Name "RyvionNode"
    if ($svc.Status -ne "Running") {
        Start-Service -Name "RyvionNode" -ErrorAction Stop
        Start-Sleep -Seconds 3
        $svc = Get-Service -Name "RyvionNode"
    }
    if ($svc.Status -eq "Running") {
        Write-Host "  [OK] Service installed and running (auto-restart on failure)" -ForegroundColor Green
    } else {
        Write-Host "  [WARN] Service status: $($svc.Status)" -ForegroundColor Yellow
    }

    try {
        for ($i = 0; $i -lt 5; $i++) {
            try {
                Invoke-WebRequest -Uri "http://127.0.0.1:$UIPort/healthz" -UseBasicParsing -TimeoutSec 2 | Out-Null
                Write-Host "  [OK] Local operator API is reachable on http://127.0.0.1:$UIPort" -ForegroundColor Green
                break
            } catch {
                Start-Sleep -Seconds 1
            }
        }
    } catch {
        Write-Host "  [WARN] Could not confirm local operator API on port $UIPort yet" -ForegroundColor Yellow
    }

    Remove-Item $tempZip -Force -ErrorAction SilentlyContinue

    Write-Host ""
    Write-Host "  Ryvion Node installed successfully!" -ForegroundColor Green
    Write-Host ""
    Write-Host "  Next steps:" -ForegroundColor White
    Write-Host "    - Check status:  Get-Service RyvionNode" -ForegroundColor Gray
    Write-Host "    - Dashboard:     https://ryvion.com/dashboard" -ForegroundColor Gray
    Write-Host ""
} catch {
    Write-Host ""
    Write-Host "  [ERROR] Installation failed: $($_.Exception.Message)" -ForegroundColor Red
    Write-Host ""
    Write-Host "  Troubleshooting:" -ForegroundColor Yellow
    Write-Host "    1. Make sure you run PowerShell as Administrator" -ForegroundColor Gray
    Write-Host "    2. Check if antivirus blocked the binary" -ForegroundColor Gray
    Write-Host "    3. Try: Stop-Service RyvionNode; then reinstall" -ForegroundColor Gray
    Write-Host ""
}
}