# SPipe intranet server
#   powershell -ExecutionPolicy Bypass -File .\start-lan.ps1          (build if needed, then serve)
#   powershell -ExecutionPolicy Bypass -File .\start-lan.ps1 -Rebuild (force a fresh build)
#
# Web app: http://<this PC's IP>:8080  (all interfaces)
# API:     127.0.0.1:8000 only -- reached through the web server's /api proxy.
param([switch]$Rebuild)

$ErrorActionPreference = 'Stop'
Set-Location $PSScriptRoot

if ($Rebuild -or -not (Test-Path 'dist\index.html')) {
    Write-Host '[1/3] Building web app...'
    npm run build
    if ($LASTEXITCODE -ne 0) { throw 'Build failed.' }
} else {
    Write-Host '[1/3] Using existing build (dist). Pass -Rebuild after code changes.'
}

Write-Host '[2/3] Starting analysis API on 127.0.0.1:8000...'
$api = Start-Process -FilePath '.venv\Scripts\python.exe' `
    -ArgumentList '-m', 'uvicorn', 'backend.main:app', '--host', '127.0.0.1', '--port', '8000' `
    -WindowStyle Minimized -PassThru

$ips = Get-NetIPAddress -AddressFamily IPv4 -PrefixOrigin Dhcp, Manual -ErrorAction SilentlyContinue |
    Where-Object { $_.IPAddress -notlike '127.*' -and $_.IPAddress -notlike '169.254.*' -and $_.InterfaceAlias -notlike 'vEthernet*' } |
    Select-Object -ExpandProperty IPAddress
Write-Host ''
Write-Host '[3/3] Web app is available at:'
foreach ($ip in $ips) { Write-Host "      http://${ip}:8080" -ForegroundColor Green }
Write-Host '      (Ctrl+C to stop both servers)'
Write-Host ''

try {
    npm run serve:lan
} finally {
    if ($api -and -not $api.HasExited) { Stop-Process -Id $api.Id -Force }
}