#Requires -Version 5.1

$ErrorActionPreference = "Stop"

$sourcePath = Join-Path $PSScriptRoot "GesisOpenCodeInstaller.cs"
$outputPath = Join-Path $PSScriptRoot "GESIS-OpenCode-Installer.exe"
$logoPath = Join-Path $PSScriptRoot "GESIS Logo Blau EN.jpg"
$signetPath = Join-Path $PSScriptRoot "GESIS Signet Blau_transp.png"
$iconPath = Join-Path $PSScriptRoot "GESIS-OpenCode-Installer.ico"
$manifestPath = Join-Path $PSScriptRoot "app.manifest"
$cscPath = Join-Path $env:WINDIR "Microsoft.NET\Framework64\v4.0.30319\csc.exe"

if (-not (Test-Path -LiteralPath $cscPath)) {
    throw "Could not find the .NET Framework C# compiler at $cscPath"
}

if (-not (Test-Path -LiteralPath $logoPath)) {
    throw "Could not find logo file: $logoPath"
}

if (-not (Test-Path -LiteralPath $signetPath)) {
    throw "Could not find signet file: $signetPath"
}

if (-not (Test-Path -LiteralPath $manifestPath)) {
    throw "Could not find application manifest: $manifestPath"
}

Add-Type -AssemblyName System.Drawing
$pngBytes = [System.IO.File]::ReadAllBytes($signetPath)
$image = [System.Drawing.Image]::FromFile($signetPath)
try {
    $width = [Math]::Min($image.Width, 255)
    $height = [Math]::Min($image.Height, 255)
}
finally {
    $image.Dispose()
}

$stream = [System.IO.File]::Open($iconPath, [System.IO.FileMode]::Create)
try {
    $writer = New-Object System.IO.BinaryWriter($stream)
    $writer.Write([UInt16]0)
    $writer.Write([UInt16]1)
    $writer.Write([UInt16]1)
    $writer.Write([Byte]$width)
    $writer.Write([Byte]$height)
    $writer.Write([Byte]0)
    $writer.Write([Byte]0)
    $writer.Write([UInt16]1)
    $writer.Write([UInt16]32)
    $writer.Write([UInt32]$pngBytes.Length)
    $writer.Write([UInt32]22)
    $writer.Write($pngBytes)
    $writer.Flush()
}
finally {
    $stream.Dispose()
}

$compilerArgs = @(
    "/target:winexe",
    "/platform:x64",
    "/optimize+",
    "/win32icon:$iconPath",
    "/win32manifest:$manifestPath",
    "/out:$outputPath",
    "/resource:$logoPath,GesisLogo",
    "/resource:$iconPath,GesisIcon",
    "/reference:System.dll",
    "/reference:System.Core.dll",
    "/reference:System.Drawing.dll",
    "/reference:System.Web.Extensions.dll",
    "/reference:System.Windows.Forms.dll",
    $sourcePath
)

& $cscPath $compilerArgs

if ($LASTEXITCODE -ne 0) {
    throw "Compilation failed with exit code $LASTEXITCODE"
}

Write-Host "Built $outputPath"