#!/usr/bin/env pwsh
<#
  Launch the RyuMusic backend (uvicorn on :8000) and frontend (vite on :5173)
  in parallel. Stops both on Ctrl-C.
#>

param(
    [switch]$ClientOnly,
    [switch]$ServerOnly
)

$ErrorActionPreference = "Stop"
$root = Split-Path -Parent $PSCommandPath

function Start-Background([string]$label, [string]$cmd, [string]$cwd) {
    Write-Host "==> $label" -ForegroundColor Cyan
    $p = Start-Process -FilePath powershell.exe `
        -ArgumentList "-NoLogo", "-NoProfile", "-Command", `
            "Set-Location -LiteralPath '$cwd'; Write-Host '[$label]' -ForegroundColor Cyan -NoNewline; $cmd" `
        -PassThru -WindowStyle Normal
    return $p
}

$server = $null
$client = $null

try {
    if (-not $ClientOnly) {
        $server = Start-Background "server" "python -m uvicorn server.main:app --reload --host 0.0.0.0 --port 8000" `
            $root
    }
    if (-not $ServerOnly) {
        $client = Start-Background "client" "npm run dev -- --host" `
            (Join-Path $root "client")
    }
    Write-Host ""
    Write-Host "press Ctrl-C to stop both" -ForegroundColor Yellow
    Write-Host ""

    while ($true) {
        Start-Sleep -Seconds 1
        $serverGone = $null -eq $server -or $server.HasExited
        $clientGone = $null -eq $client -or $client.HasExited
        if ($server -and $serverGone) {
            Write-Host "server exited" -ForegroundColor Red; break
        }
        if ($client -and $clientGone) {
            Write-Host "client exited" -ForegroundColor Red; break
        }
    }
}
finally {
    foreach ($p in @($server, $client)) {
        if ($p -and -not $p.HasExited) {
            try { Stop-Process -Id $p.Id -Force -ErrorAction SilentlyContinue } catch {}
        }
    }
}