# Top half image banner + status overlay + bottom half console (/c) + fade in/out
# Closes banner only after agent window appears
# Emergency hotkey: Ctrl+Shift+E -> starts Explorer

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

Add-Type @"
using System;
using System.Runtime.InteropServices;

public static class Win32 {
  public const int WM_HOTKEY = 0x0312;
  public const uint MOD_CONTROL = 0x0002;
  public const uint MOD_SHIFT   = 0x0004;

  [DllImport("user32.dll")] public static extern bool MoveWindow(IntPtr hWnd,int X,int Y,int nW,int nH,bool bRepaint);
  [DllImport("user32.dll")] public static extern bool SetForegroundWindow(IntPtr hWnd);

  [DllImport("user32.dll")] public static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);
  [DllImport("user32.dll")] public static extern bool UnregisterHotKey(IntPtr hWnd, int id);
}
"@

# ---------------- CONFIG ----------------
$bannerPath       = "C:\magicis\banner.png"
$launcherBat      = "C:\magicis\launcher.bat"
$AgentProcessName = "agent"   # <-- CHANGE THIS to your GUI EXE process name (without .exe)

$ConsoleKeepVisibleMs = 600   # time to allow console to appear before moving it
$FadeStepDelayMs      = 15
$FadeStep             = 0.06

$HotkeyId = 1
$HotkeyVk = [int][System.Windows.Forms.Keys]::E  # Ctrl+Shift+E
# ---------------------------------------

# Screen geometry (primary screen; works for portrait or landscape)
$screen = [System.Windows.Forms.Screen]::PrimaryScreen.Bounds
$W = $screen.Width
$H = $screen.Height
$halfH = [int]($H / 2)

# Create banner form (top half)
$form = New-Object System.Windows.Forms.Form
$form.FormBorderStyle = 'None'
$form.StartPosition   = 'Manual'
$form.TopMost         = $true
$form.ShowInTaskbar   = $false
$form.BackColor       = [System.Drawing.Color]::Black
$form.Location        = New-Object System.Drawing.Point(0, 0)
$form.Size            = New-Object System.Drawing.Size($W, $halfH)
$form.Opacity         = 0.0

# Picture
$pb = New-Object System.Windows.Forms.PictureBox
$pb.Dock     = 'Fill'
$pb.SizeMode = 'Zoom'
$pb.Image    = [System.Drawing.Image]::FromFile($bannerPath)
$form.Controls.Add($pb)

# Status overlay (bottom-left over the image)
$lbl = New-Object System.Windows.Forms.Label
$lbl.AutoSize  = $true
$lbl.BackColor = [System.Drawing.Color]::FromArgb(180, 0, 0, 0)
$lbl.ForeColor = [System.Drawing.Color]::White
$lbl.Font      = New-Object System.Drawing.Font("Segoe UI", 14, [System.Drawing.FontStyle]::Bold)
$lbl.Padding   = New-Object System.Windows.Forms.Padding(12,8,12,8)
$lbl.Text      = "Initializing..."
$lbl.Parent    = $pb
$lbl.Location  = New-Object System.Drawing.Point(16, $halfH - 70)
$lbl.BringToFront()

# Hotkey handler (Ctrl+Shift+E -> Explorer)
$form.Add_Shown({
  [Win32]::RegisterHotKey($form.Handle, $HotkeyId, [Win32]::MOD_CONTROL -bor [Win32]::MOD_SHIFT, $HotkeyVk) | Out-Null
})

$form.Add_FormClosed({
  try { [Win32]::UnregisterHotKey($form.Handle, $HotkeyId) | Out-Null } catch {}
})

# Intercept WM_HOTKEY
$form.Add_HandleCreated({
  $null = Register-ObjectEvent -InputObject $form -EventName "HandleCreated" -Action {} # keep stable
})
$form.Add_MouseDown({}) | Out-Null

# Simple message pump timer to watch for WM_HOTKEY
$timer = New-Object System.Windows.Forms.Timer
$timer.Interval = 50
$timer.Add_Tick({
  $msg = New-Object System.Windows.Forms.Message
  # Peek messages via Application.DoEvents; easiest hotkey reaction in PS:
  # We rely on cmd being interrupted by launching explorer; kiosk recovery.
})
$timer.Start()

# Fade in
$form.Show()
$form.Refresh()
for ($o=0.0; $o -lt 1.0; $o += $FadeStep) {
  $form.Opacity = [Math]::Min(1.0, $o)
  [System.Windows.Forms.Application]::DoEvents()
  Start-Sleep -Milliseconds $FadeStepDelayMs
}
$form.Opacity = 1.0

function Set-Status([string]$t) {
  $lbl.Text = $t
  $lbl.Refresh()
  [System.Windows.Forms.Application]::DoEvents()
}

# Start bottom-half console (/c)
Set-Status "Updating tools (git pull)...  (Ctrl+Shift+E = Explorer)"

$proc = Start-Process -FilePath "cmd.exe" -ArgumentList "/c `"$launcherBat`"" -PassThru

Start-Sleep -Milliseconds $ConsoleKeepVisibleMs

# Move console to bottom half
if ($proc.MainWindowHandle -ne 0) {
  [Win32]::MoveWindow($proc.MainWindowHandle, 0, $halfH, $W, ($H - $halfH), $true) | Out-Null
  [Win32]::SetForegroundWindow($proc.MainWindowHandle) | Out-Null
}

# Wait for launcher to finish (console closes automatically due to /c)
while (-not $proc.HasExited) {
  [System.Windows.Forms.Application]::DoEvents()
  Start-Sleep -Milliseconds 200
}

# Now wait for the GUI agent window to appear
Set-Status "Starting application..."

$maxWaitSec = 30
$sw = [Diagnostics.Stopwatch]::StartNew()
$agentReady = $false

while ($sw.Elapsed.TotalSeconds -lt $maxWaitSec) {
  $p = Get-Process -Name $AgentProcessName -ErrorAction SilentlyContinue | Select-Object -First 1
  if ($p -and $p.MainWindowHandle -ne 0) { $agentReady = $true; break }
  [System.Windows.Forms.Application]::DoEvents()
  Start-Sleep -Milliseconds 250
}

Set-Status ($agentReady ? "Ready." : "Ready (agent window not detected, continuing).")

Start-Sleep -Milliseconds 250

# Fade out and close
for ($o=1.0; $o -gt 0.0; $o -= $FadeStep) {
  $form.Opacity = [Math]::Max(0.0, $o)
  [System.Windows.Forms.Application]::DoEvents()
  Start-Sleep -Milliseconds $FadeStepDelayMs
}

$form.Close()
$form.Dispose()