# UClaude Updater — automatic Claude Code patch updater
# Usage: powershell -ExecutionPolicy Bypass -File claude\uclaude_update.ps1 [--check] [--force] [--settings-only]

$ErrorActionPreference = "Continue"
$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$RepoRoot = Split-Path -Parent $ScriptDir
Set-Location $RepoRoot

# ---- Check prerequisites ----

function Test-Command($cmd) {
    return [bool](Get-Command $cmd -ErrorAction SilentlyContinue)
}

function Install-WithWinget($id, $name) {
    if (Test-Command "winget") {
        Write-Host "  Installing $name via winget..." -ForegroundColor Yellow
        winget install --id $id --accept-package-agreements --accept-source-agreements -e
        # Refresh PATH
        $env:Path = [System.Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path", "User")
        return $true
    }
    return $false
}

# Git
if (-not (Test-Command "git")) {
    Write-Host "  git not found." -ForegroundColor Red
    if (-not (Install-WithWinget "Git.Git" "Git")) {
        Write-Host "  Install manually: https://git-scm.com/download/win" -ForegroundColor Yellow
        exit 1
    }
}

# Python
$hasPython = (Test-Command "python3") -or (Test-Command "python")
if (-not $hasPython) {
    Write-Host "  Python not found." -ForegroundColor Red
    if (-not (Install-WithWinget "Python.Python.3.12" "Python 3.12")) {
        Write-Host "  Install manually: https://www.python.org/downloads/" -ForegroundColor Yellow
        exit 1
    }
}

# Node.js
if (-not (Test-Command "node")) {
    Write-Host "  Node.js not found." -ForegroundColor Yellow
    if (-not (Install-WithWinget "OpenJS.NodeJS" "Node.js")) {
        Write-Host "  Install manually: https://nodejs.org/" -ForegroundColor Yellow
    }
}

# ---- Pull latest artifacts ----

git pull --quiet 2>$null

# ---- Check admin ----

$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
if (-not $isAdmin) {
    Write-Host "Re-running as Administrator..." -ForegroundColor Yellow
    Start-Process powershell -ArgumentList "-ExecutionPolicy Bypass -File `"$($MyInvocation.MyCommand.Path)`" $args" -Verb RunAs
    exit
}

# ---- Run updater ----

$pythonCmd = if (Test-Command "python3") { "python3" } else { "python" }
& $pythonCmd claude\uclaude_updater.py @args