param(
  [string]$OutputPath = "build\icon.png"
)

$ErrorActionPreference = "Stop"
Add-Type -AssemblyName System.Drawing

$resolvedOutput = [IO.Path]::GetFullPath($OutputPath)
New-Item -ItemType Directory -Force -Path (Split-Path -Parent $resolvedOutput) | Out-Null

$size = 512
$bitmap = New-Object System.Drawing.Bitmap $size, $size
$graphics = [System.Drawing.Graphics]::FromImage($bitmap)
$graphics.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::AntiAlias
$graphics.CompositingQuality = [System.Drawing.Drawing2D.CompositingQuality]::HighQuality
$graphics.Clear([System.Drawing.Color]::Transparent)

function New-RoundedRectanglePath([System.Drawing.RectangleF]$rectangle, [float]$radius) {
  $diameter = $radius * 2
  $path = New-Object System.Drawing.Drawing2D.GraphicsPath
  $path.AddArc($rectangle.X, $rectangle.Y, $diameter, $diameter, 180, 90)
  $path.AddArc($rectangle.Right - $diameter, $rectangle.Y, $diameter, $diameter, 270, 90)
  $path.AddArc($rectangle.Right - $diameter, $rectangle.Bottom - $diameter, $diameter, $diameter, 0, 90)
  $path.AddArc($rectangle.X, $rectangle.Bottom - $diameter, $diameter, $diameter, 90, 90)
  $path.CloseFigure()
  return $path
}

$bounds = New-Object System.Drawing.RectangleF 22, 22, 468, 468
$shape = New-RoundedRectanglePath $bounds 104
$background = New-Object System.Drawing.Drawing2D.LinearGradientBrush(
  $bounds,
  [System.Drawing.Color]::FromArgb(255, 29, 17, 59),
  [System.Drawing.Color]::FromArgb(255, 33, 91, 125),
  135
)
$graphics.FillPath($background, $shape)

$glow = New-Object System.Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(42, 157, 112, 255))
$graphics.FillEllipse($glow, 66, 44, 330, 330)
$cyanGlow = New-Object System.Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(34, 82, 229, 242))
$graphics.FillEllipse($cyanGlow, 206, 196, 262, 262)

$borderPen = New-Object System.Drawing.Pen ([System.Drawing.Color]::FromArgb(120, 221, 205, 255)), 6
$graphics.DrawPath($borderPen, $shape)

$orbitPen = New-Object System.Drawing.Pen ([System.Drawing.Color]::FromArgb(235, 239, 232, 255)), 19
$orbitPen.StartCap = [System.Drawing.Drawing2D.LineCap]::Round
$orbitPen.EndCap = [System.Drawing.Drawing2D.LineCap]::Round
$state = $graphics.Save()
$graphics.TranslateTransform(256, 256)
$graphics.RotateTransform(-38)
$graphics.DrawArc($orbitPen, -167, -103, 334, 206, 18, 212)
$graphics.DrawArc($orbitPen, -167, -103, 334, 206, 248, 92)
$graphics.Restore($state)

$coreBrush = New-Object System.Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(255, 151, 235, 242))
$coreBorder = New-Object System.Drawing.Pen ([System.Drawing.Color]::FromArgb(255, 250, 247, 255)), 12
$graphics.FillEllipse($coreBrush, 202, 202, 108, 108)
$graphics.DrawEllipse($coreBorder, 202, 202, 108, 108)

$satelliteBrush = New-Object System.Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(255, 241, 211, 142))
$satelliteBorder = New-Object System.Drawing.Pen ([System.Drawing.Color]::FromArgb(255, 255, 248, 228)), 8
$graphics.FillEllipse($satelliteBrush, 342, 88, 66, 66)
$graphics.DrawEllipse($satelliteBorder, 342, 88, 66, 66)
$graphics.FillEllipse($satelliteBrush, 104, 350, 54, 54)
$graphics.DrawEllipse($satelliteBorder, 104, 350, 54, 54)

$starBrush = New-Object System.Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(210, 255, 255, 255))
$graphics.FillEllipse($starBrush, 124, 112, 13, 13)
$graphics.FillEllipse($starBrush, 394, 282, 10, 10)
$graphics.FillEllipse($starBrush, 286, 398, 8, 8)

try {
  $bitmap.Save($resolvedOutput, [System.Drawing.Imaging.ImageFormat]::Png)
} finally {
  $starBrush.Dispose()
  $satelliteBorder.Dispose()
  $satelliteBrush.Dispose()
  $coreBorder.Dispose()
  $coreBrush.Dispose()
  $orbitPen.Dispose()
  $borderPen.Dispose()
  $cyanGlow.Dispose()
  $glow.Dispose()
  $background.Dispose()
  $shape.Dispose()
  $graphics.Dispose()
  $bitmap.Dispose()
}

[pscustomobject]@{
  ok = $true
  width = $size
  height = $size
  outputPath = $resolvedOutput
} | ConvertTo-Json -Compress