$ErrorActionPreference = "Stop"

$projectRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
Set-Location -LiteralPath $projectRoot

if (-not (Get-Command py -ErrorAction SilentlyContinue)) {
    throw "Python 3.11 or newer is required. Install Python from python.org, then run this script again."
}

if (-not (Test-Path -LiteralPath ".venv\Scripts\python.exe")) {
    & py -3 -m venv .venv
}

& .venv\Scripts\python.exe -m pip install --disable-pip-version-check -r requirements.txt
& .venv\Scripts\python.exe app.py