[CmdletBinding()]
param(
    [ValidateSet('Release','Debug')]
    [string]$Configuration = 'Release',
    [switch]$Clean
)

$ErrorActionPreference = 'Stop'
$Root = Split-Path -Parent $PSCommandPath
$Solution = Join-Path $Root 'PlandentMstscScriptHook.sln'
$Dist = Join-Path $Root 'dist'
$Artifacts = Join-Path $Root 'artifacts'
$GeneratedPayload = Join-Path $Root 'Configurator\Generated'

function Find-MSBuild {
    $cmd = Get-Command msbuild.exe -ErrorAction SilentlyContinue
    if ($cmd) { return $cmd.Source }

    $vswhere = Join-Path ${env:ProgramFiles(x86)} 'Microsoft Visual Studio\Installer\vswhere.exe'
    if (Test-Path $vswhere) {
        $found = & $vswhere -latest -products * `
            -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 `
            -find 'MSBuild\**\Bin\MSBuild.exe' | Select-Object -First 1
        if ($found) { return $found }
    }

    throw 'MSBuild wurde nicht gefunden. Visual Studio 2022 bzw. Build Tools mit Desktopentwicklung mit C++ installieren.'
}

if ($Clean) {
    Remove-Item $Artifacts -Recurse -Force -ErrorAction SilentlyContinue
    Remove-Item $Dist -Recurse -Force -ErrorAction SilentlyContinue
    Remove-Item $GeneratedPayload -Recurse -Force -ErrorAction SilentlyContinue
}

New-Item -ItemType Directory -Path $Dist -Force | Out-Null
$MSBuild = Find-MSBuild

Write-Host "[1/2] Native x64-Projektmappe neu bauen ($Configuration|x64)..." -ForegroundColor Cyan
& $MSBuild $Solution /t:Rebuild /m /nologo "/p:Configuration=$Configuration" '/p:Platform=x64'
if ($LASTEXITCODE -ne 0) {
    throw "Build fehlgeschlagen (ExitCode $LASTEXITCODE)."
}

$PluginDll = Join-Path $Artifacts "x64\$Configuration\PlandentMstscScriptHook.dll"
$ConfiguratorExe = Join-Path $Artifacts "x64\$Configuration\PlandentMstscScriptHook.exe"
$ServerTriggerExe = Join-Path $Artifacts "x64\$Configuration\PlandentRdpClientTrigger.exe"
$SiominTriggerExe = Join-Path $Artifacts "x64\$Configuration\PlandentSiominClientTrigger.exe"

foreach ($file in @($PluginDll, $ConfiguratorExe, $ServerTriggerExe, $SiominTriggerExe)) {
    if (-not (Test-Path $file)) {
        throw "Erwartete Build-Datei wurde nicht erzeugt: $file"
    }
}

Write-Host '[2/2] Verteilbare Dateien nach dist kopieren...' -ForegroundColor Cyan
Copy-Item $ConfiguratorExe (Join-Path $Dist 'PlandentMstscScriptHook.exe') -Force
Copy-Item $ServerTriggerExe (Join-Path $Dist 'PlandentRdpClientTrigger.exe') -Force
Copy-Item $SiominTriggerExe (Join-Path $Dist 'PlandentSiominClientTrigger.exe') -Force

Write-Host ''
Write-Host 'Build erfolgreich:' -ForegroundColor Green
Write-Host "  Client: $(Join-Path $Dist 'PlandentMstscScriptHook.exe')"
Write-Host "  Server: $(Join-Path $Dist 'PlandentRdpClientTrigger.exe')"
Write-Host "  SIOMIN: $(Join-Path $Dist 'PlandentSiominClientTrigger.exe')"
Write-Host ''
Write-Host 'Alle Komponenten sind native x64-C++-Binaries; .NET/NuGet wird nicht benötigt.'
Write-Host 'Die Client-EXE enthält die native MSTSC-Plugin-DLL als RCDATA-Resource.'
Write-Host 'Die generische Server-EXE sendet ausschließlich den festen START-Trigger über den RDP-DVC.'
Write-Host 'Die SIOMIN-EXE fragt den Client-Hostname über den DVC ab, passt die SDX bytegenau an und sendet danach START.'