param(
    [switch]$Run
)

$ErrorActionPreference = "Stop"

$Root = Split-Path -Parent $MyInvocation.MyCommand.Path
$ProjectDir = Join-Path $Root "src"
$IncludeDir = Join-Path $ProjectDir "include"
$SourceDir = Join-Path $ProjectDir "source"
$ResourceDir = Join-Path $ProjectDir "resources"
$AssetIconDir = Join-Path $Root "assets\icons"
$BuildDir = Join-Path $Root ".vscode-build\vs2026"
$ExePath = Join-Path $BuildDir "Tetris.exe"
$ResPath = Join-Path $BuildDir "Tetris.res"
$RcPath = Join-Path $ResourceDir "Tetris.rc"

if (-not (Get-Command cl.exe -ErrorAction SilentlyContinue)) {
    throw "cl.exe not found. Open Visual Studio 2026: Tools -> Command Line -> Developer PowerShell, then run this script again."
}

if (-not (Get-Command rc.exe -ErrorAction SilentlyContinue)) {
    throw "rc.exe not found. Install the Windows SDK from the Visual Studio Installer C++ desktop workload."
}

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

$Sources = Get-ChildItem -Path $SourceDir -Recurse -Filter "*.cpp" |
    Sort-Object FullName |
    Select-Object -ExpandProperty FullName

if ($Sources.Count -lt 10) {
    throw "Too few source files found under src\source. The render, app, logic, rogue, common, and extension modules must all be compiled."
}

& rc.exe `
    /nologo `
    /i $IncludeDir `
    /i $AssetIconDir `
    /fo $ResPath `
    $RcPath

if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

& cl.exe `
    /nologo `
    /utf-8 `
    /std:c++17 `
    /EHsc `
    /Zi `
    /Od `
    /DUNICODE `
    /D_UNICODE `
    /D_WINDOWS `
    /I $IncludeDir `
    $Sources `
    $ResPath `
    /Fe:$ExePath `
    /link `
    /SUBSYSTEM:WINDOWS `
    winmm.lib `
    gdiplus.lib `
    gdi32.lib `
    user32.lib `
    shell32.lib

if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

if ($Run) {
    Start-Process -FilePath $ExePath -WorkingDirectory $Root
}