# dcr-node-tray.ps1 — corre dcr-node.exe oculto con icono en la bandeja (junto a la hora)
$ErrorActionPreference = 'Stop'
$dir     = Split-Path -Parent $MyInvocation.MyCommand.Path
$exe     = Join-Path $dir 'dcr-node.exe'
$logFile = Join-Path $dir 'dcr-node.log'
$cfgFile = Join-Path $dir 'config.json'

if (-not (Test-Path $exe)) { [System.Windows.Forms.MessageBox]::Show("No se encontro $exe"); exit 1 }

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

$psi = New-Object System.Diagnostics.ProcessStartInfo
$psi.FileName = $exe
$psi.Arguments = ''
$psi.EnvironmentVariables['DCR_SERVE'] = '127.0.0.1:7901'
$psi.RedirectStandardInput  = $true
$psi.RedirectStandardOutput = $true
$psi.RedirectStandardError  = $true
$psi.UseShellExecute = $false
$psi.CreateNoWindow  = $true
$env:DCR_NODE_CONFIG = $cfgFile
$psi.EnvironmentVariables['DCR_NODE_CONFIG'] = $cfgFile

$proc = New-Object System.Diagnostics.Process
$proc.StartInfo = $psi
$log = [System.IO.StreamWriter]::new($logFile, $true); $log.AutoFlush = $true
$proc.add_OutputDataReceived({ if ($args[1].Data) { $log.WriteLine('[out] ' + $args[1].Data) } })
$proc.add_ErrorDataReceived( { if ($args[1].Data) { $log.WriteLine('[err] ' + $args[1].Data) } })
[void]$proc.Start()
$proc.BeginOutputReadLine(); $proc.BeginErrorReadLine()
# stdin queda abierto (EOF cerraria el nodo); el cliente se conecta por fuera

$ico  = New-Object System.Drawing.Icon ([System.Drawing.SystemIcons]::Application, 32, 32)
$ni   = New-Object System.Windows.Forms.NotifyIcon
$ni.Icon = $ico
$ni.Text = "dcr-node (PID $($proc.Id))"
$ni.Visible = $true

$menu = New-Object System.Windows.Forms.ContextMenuStrip
$mEstado = $menu.Items.Add("Estado")
$mLog    = $menu.Items.Add("Ver log")
$mSalir  = $menu.Items.Add("Salir")

$mEstado.add_Click({
    $alive = -not $proc.HasExited
    $ni.ShowBalloonTip(4000, 'dcr-node', ($(if($alive){"Corriendo"}else{"Detenido"})) + " | $dir", 'Info')
})
$mLog.add_Click({ if (Test-Path $logFile) { Start-Process notepad.exe $logFile } })
$mSalir.add_Click({
    try { if (-not $proc.HasExited) { $proc.StandardInput.Close(); $proc.Kill() } } catch {}
    $ni.Visible = $false
    [System.Windows.Forms.Application]::Exit()
})
$ni.ContextMenuStrip = $menu
$ni.ShowBalloonTip(3000, 'dcr-node', 'Nodo corriendo en segundo plano', 'Info')

$timer = New-Object System.Windows.Forms.Timer
$timer.Interval = 5000
$timer.add_Tick({ if ($proc.HasExited) { $ni.Text = "dcr-node (detenido)" } })
$timer.Start()

[System.Windows.Forms.Application]::Run()
$ni.Dispose()