#requires -Version 5.1
# One-time developer setup (Windows):
#   - verifies required tools
#   - installs vcpkg if VCPKG_ROOT is not set
#   - pins the vcpkg dependency baseline in vcpkg.json
$ErrorActionPreference = 'Stop'

$RepoRoot = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Path)
Set-Location $RepoRoot

Write-Host '>> Checking required tools'
$missing = $false
foreach ($tool in @('git', 'cmake', 'ninja')) {
    if (-not (Get-Command $tool -ErrorAction SilentlyContinue)) {
        Write-Host "   MISSING: $tool"
        $missing = $true
    }
}
if ($missing) { Write-Error 'Install the missing tools and re-run.' }

# MSVC is only on PATH inside a Developer prompt; detect the install instead.
$vswhere = Join-Path ${env:ProgramFiles(x86)} 'Microsoft Visual Studio\Installer\vswhere.exe'
if (Test-Path $vswhere) {
    $vc = & $vswhere -latest -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath
    if ($vc) { Write-Host "   MSVC C++ toolchain: $vc" }
    else { Write-Host '   WARNING: Visual Studio found but the C++ workload (VC.Tools) is not installed.' }
} else {
    Write-Host '   WARNING: Visual Studio not detected. Install VS 2022 with the'
    Write-Host '            "Desktop development with C++" workload (MSVC 19.36+ for C++23).'
}

Write-Host '>> Setting up vcpkg'
if (-not $env:VCPKG_ROOT) {
    $vcpkgDir = Join-Path $RepoRoot 'vcpkg'
    if (-not (Test-Path $vcpkgDir)) {
        Write-Host '   Cloning vcpkg into .\vcpkg'
        git clone https://github.com/microsoft/vcpkg.git $vcpkgDir
    }
    & (Join-Path $vcpkgDir 'bootstrap-vcpkg.bat') -disableMetrics
    $env:VCPKG_ROOT = $vcpkgDir
    Write-Host '   VCPKG_ROOT is not set in your environment. Set it permanently with:'
    Write-Host "       setx VCPKG_ROOT `"$vcpkgDir`""
} else {
    Write-Host "   Using VCPKG_ROOT=$env:VCPKG_ROOT"
}
$vcpkgExe = Join-Path $env:VCPKG_ROOT 'vcpkg.exe'

Write-Host '>> Pinning the vcpkg dependency baseline'
if (Select-String -Path 'vcpkg.json' -Pattern '"builtin-baseline"' -Quiet) {
    Write-Host '   builtin-baseline already present — leaving it pinned.'
} else {
    & $vcpkgExe x-update-baseline --add-initial-baseline
    Write-Host '   Added builtin-baseline to vcpkg.json. Commit this change.'
}

Write-Host ''
Write-Host '>> Bootstrap complete. Next steps:'
Write-Host '     cmake --preset windows-debug'
Write-Host '     cmake --build --preset windows-debug'
Write-Host '     ctest --preset windows-debug'