param(
    [ValidateSet("Debug", "Release")]
    [string]$Configuration = "Release",
    [string]$BuildDirectory = "build-ninja"
)

$ErrorActionPreference = "Stop"

if (-not (Get-Command cmake -ErrorAction SilentlyContinue)) {
    Write-Error "CMake was not found. Install CMake and ensure it is on PATH."
    exit 1
}

$sourceDirectory = Split-Path -Parent $PSScriptRoot
if ([System.IO.Path]::IsPathRooted($BuildDirectory)) {
    $buildPath = $BuildDirectory
} else {
    $buildPath = Join-Path $sourceDirectory $BuildDirectory
}

$configureArgs = @(
    "-S", $sourceDirectory,
    "-B", $buildPath,
    "-G", "Ninja",
    "-DCMAKE_CXX_COMPILER=g++",
    "-DCMAKE_BUILD_TYPE=$Configuration"
)

& cmake @configureArgs
if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

$compilationDatabase = Join-Path $buildPath "compile_commands.json"
if (-not (Test-Path $compilationDatabase)) {
    Write-Error "CMake did not generate compile_commands.json at '$compilationDatabase'."
    exit 1
}
Copy-Item -LiteralPath $compilationDatabase -Destination (Join-Path $sourceDirectory "compile_commands.json") -Force

& cmake --build $buildPath --config $Configuration
if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

$outputPath = Join-Path $buildPath "bin\$($Configuration.ToLowerInvariant())\LumberJack.exe"
Write-Host "Build complete: $outputPath"
Write-Host "Updated compile_commands.json for clangd."