param(
    [string]$OutputDir = "runs/msglib-sidecar",
    [string]$Configuration = "Release"
)

$ErrorActionPreference = "Stop"

$repo = Resolve-Path -LiteralPath (Join-Path $PSScriptRoot "..")
$sourceDir = Join-Path $repo "native/MsgLibReadSidecar"
$outDirPath = Join-Path $repo $OutputDir
$outExe = Join-Path $outDirPath "MsgLibReadSidecar.exe"

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

$csc = "$env:WINDIR\Microsoft.NET\Framework\v4.0.30319\csc.exe"
if (-not (Test-Path -LiteralPath $csc)) {
    throw "32-bit .NET Framework csc.exe v4.0.30319 not found"
}

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

$sources = Get-ChildItem -LiteralPath $sourceDir -Filter '*.cs' | Sort-Object Name | ForEach-Object { $_.FullName }
if (-not $sources) {
    throw "no C# sources found in $sourceDir"
}

& $csc `
    /nologo `
    /target:exe `
    /platform:x86 `
    /optimize+ `
    /warn:0 `
    /out:$outExe `
    /reference:System.dll `
    /reference:System.Core.dll `
    /reference:System.Data.dll `
    /reference:System.Web.Extensions.dll `
    $sources

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

[ordered]@{
    ok = $true
    configuration = $Configuration
    platform = "x86"
    csc = $csc
    source_dir = $sourceDir
    output = $outExe
} | ConvertTo-Json -Depth 4 -Compress