param(
    [string]$OutputDir = "runs/native-helper",
    [string]$Configuration = "Release",
    [ValidateSet("x86", "anycpu")]
    [string]$Platform = "x86"
)

$ErrorActionPreference = "Stop"

$repo = Resolve-Path -LiteralPath (Join-Path $PSScriptRoot "..")
$source = Join-Path $repo "native/ISphereOfflineLabHelper/Program.cs"
$outDirPath = Join-Path $repo $OutputDir
$outExe = Join-Path $outDirPath "ISphereOfflineLabHelper.exe"
$stubSource = Join-Path $outDirPath "IMPP.Resource.stub.cs"
$stubResources = Join-Path $outDirPath "IMPP.Resource.Properties.Resources.resources"
$stubDll = Join-Path $outDirPath "IMPP.Resource.dll"

if (-not (Test-Path -LiteralPath $source)) {
    throw "source not found: $source"
}

$candidates = @(
    "$env:WINDIR\Microsoft.NET\Framework64\v4.0.30319\csc.exe",
    "$env:WINDIR\Microsoft.NET\Framework\v4.0.30319\csc.exe"
)
$csc = $candidates | Where-Object { Test-Path -LiteralPath $_ } | Select-Object -First 1
if (-not $csc) {
    throw ".NET Framework csc.exe v4.0.30319 not found"
}

New-Item -ItemType Directory -Force -Path $outDirPath | Out-Null

Add-Type -AssemblyName System.Drawing
$resourceNameFile = Join-Path $repo "native/ISphereOfflineLabHelper/resource-names.txt"
$resourceNames = New-Object System.Collections.Generic.SortedSet[string]([System.StringComparer]::Ordinal)
if (Test-Path -LiteralPath $resourceNameFile) {
    Get-Content -LiteralPath $resourceNameFile | ForEach-Object {
        $name = $_.Trim()
        if ($name) {
            [void]$resourceNames.Add($name)
        }
    }
}
foreach ($name in @(
    "about_logo",
    "ipload_2",
    "login_backimg",
    "sys_Logo_BackImg",
    "sys_Logo_16",
    "sys_logo_50",
    "sys_logo_all",
    "sys_logo_offline16",
    "sys_small",
    "toolstript_search_background",
    "window_default_head"
)) {
    [void]$resourceNames.Add($name)
}

$resourceWriter = New-Object System.Resources.ResourceWriter($stubResources)
try {
    $bitmap = New-Object System.Drawing.Bitmap 1, 1
    $bitmap.SetPixel(0, 0, [System.Drawing.Color]::Transparent)
    foreach ($name in $resourceNames) {
        $resourceWriter.AddResource($name, $bitmap)
    }
}
finally {
    $resourceWriter.Generate()
    $resourceWriter.Close()
}

@"
namespace IMPP.Resource.Properties
{
    internal static class Resources
    {
    }
}
"@ | Set-Content -LiteralPath $stubSource -Encoding UTF8

& $csc `
    /nologo `
    /target:library `
    /platform:$Platform `
    /optimize+ `
    /out:$stubDll `
    /reference:System.dll `
    /reference:System.Drawing.dll `
    /resource:$stubResources,IMPP.Resource.Properties.Resources.resources `
    $stubSource

if ($LASTEXITCODE -ne 0) {
    throw "IMPP.Resource stub compilation failed with exit code $LASTEXITCODE"
}

& $csc `
    /nologo `
    /target:exe `
    /platform:$Platform `
    /optimize+ `
    /warn:0 `
    /out:$outExe `
    /reference:System.dll `
    /reference:System.Core.dll `
    /reference:System.Web.Extensions.dll `
    /reference:System.Windows.Forms.dll `
    /reference:System.Drawing.dll `
    $source

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

$result = [ordered]@{
    ok = $true
    configuration = $Configuration
    platform = $Platform
    csc = $csc
    source = $source
    output = $outExe
    resource_stub = $stubDll
}
$result | ConvertTo-Json -Depth 4 -Compress