<#
.SYNOPSIS
    Sets up the development environment for building WSL.
.DESCRIPTION
    Detects any existing Visual Studio 2022 installation and runs the
    matching WinGet Configuration to install all prerequisites:
    Developer Mode, CMake, Visual Studio 2022, and required workloads
    from .vsconfig.

    If VS 2022 is already installed, the script picks the configuration
    matching that edition (Community, Professional, or Enterprise).
    If no VS 2022 is found, it defaults to Community edition.
.EXAMPLE
    .\tools\setup-dev-env.ps1
#>

Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

$repoRoot = (Resolve-Path "$PSScriptRoot\..").Path
$configDir = Join-Path $repoRoot ".config"

# ── Detect existing VS 2022 edition ─────────────────────────────────
$configFile = "configuration.winget" # default: Community
$vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"

if (Test-Path $vswhere)
{
    $productId = (& $vswhere -version "[17.0,18.0)" -products * -latest -property productId 2>$null |
        Select-Object -First 1)

    if ($productId) { $productId = $productId.Trim() }

    switch ($productId)
    {
        "Microsoft.VisualStudio.Product.Professional" {
            $configFile = "configuration.vsProfessional.winget"
            Write-Host "Detected VS 2022 Professional - using $configFile" -ForegroundColor Green
        }
        "Microsoft.VisualStudio.Product.Enterprise" {
            $configFile = "configuration.vsEnterprise.winget"
            Write-Host "Detected VS 2022 Enterprise - using $configFile" -ForegroundColor Green
        }
        "Microsoft.VisualStudio.Product.Community" {
            Write-Host "Detected VS 2022 Community - using $configFile" -ForegroundColor Green
        }
        default {
            Write-Host "No VS 2022 found - will install Community edition" -ForegroundColor Yellow
        }
    }
}
else
{
    Write-Host "No VS 2022 found - will install Community edition" -ForegroundColor Yellow
}

$configPath = Join-Path $configDir $configFile
if (-not (Test-Path -LiteralPath $configPath -PathType Leaf))
{
    Write-Host "Configuration file not found: $configPath" -ForegroundColor Red
    Write-Host "Ensure the repository is fully checked out and the .config folder contains $configFile." -ForegroundColor Yellow
    exit 1
}

# ── Run WinGet Configuration ────────────────────────────────────────
Write-Host ""
Write-Host "Running WinGet Configuration ($configFile)..." -ForegroundColor Cyan
Write-Host "  This will install: Developer Mode, CMake, VS 2022 + required components"
Write-Host ""

winget configure --enable
if ($LASTEXITCODE -ne 0)
{
    Write-Host "Failed to enable WinGet configuration feature." -ForegroundColor Red
    exit 1
}

winget configure -f "$configPath" --accept-configuration-agreements
if ($LASTEXITCODE -ne 0)
{
    Write-Host "Failed to apply WinGet configuration file: $configPath" -ForegroundColor Red
    exit 1
}

# ── Done ────────────────────────────────────────────────────────────
Write-Host ""
Write-Host "All prerequisites installed. Ready to build!" -ForegroundColor Green
Write-Host ""
Write-Host "  cmake ."
Write-Host "  cmake --build . -- -m"
Write-Host ""