#Requires -Version 5
# ABIS Security Audit - Launcher Windows
# Verifie/installe Python, telecharge l'agent, lance l'audit
# Usage: double-clic ou clic-droit > Executer avec PowerShell

$ErrorActionPreference = "Stop"
$AgentUrl  = "https://api.abisinfo.net/audit/download"
$AgentFile = "$env:TEMP\abis_audit.py"
$Version   = "1.0.0"

function Write-Banner {
    Clear-Host
    Write-Host "================================================" -ForegroundColor Cyan
    Write-Host "   ABIS Security Audit - Launcher v$Version" -ForegroundColor Cyan
    Write-Host "================================================" -ForegroundColor Cyan
    Write-Host ""
}

function Test-PythonInstalled {
    try {
        $ver = & python --version 2>&1
        if ($ver -match "Python (\d+\.\d+)") {
            return $true
        }
    } catch {}
    try {
        $ver = & python3 --version 2>&1
        if ($ver -match "Python (\d+\.\d+)") {
            return $true
        }
    } catch {}
    return $false
}

function Install-Python {
    Write-Host "[*] Python non detecte - installation en cours..." -ForegroundColor Yellow
    Write-Host "    (winget install Python.Python.3)" -ForegroundColor Gray

    # Verifier que winget est disponible
    try {
        $null = Get-Command winget -ErrorAction Stop
    } catch {
        Write-Host ""
        Write-Host "[!] winget non disponible sur ce systeme." -ForegroundColor Red
        Write-Host "    Installez Python manuellement depuis : https://python.org/downloads" -ForegroundColor Yellow
        Write-Host "    Puis relancez ce script." -ForegroundColor Yellow
        Read-Host "`nAppuyez sur Entree pour fermer"
        exit 1
    }

    try {
        Write-Host ""
        winget install --id Python.Python.3 --silent --accept-package-agreements --accept-source-agreements
        Write-Host ""
        Write-Host "[+] Python installe avec succes." -ForegroundColor Green

        # Recharger le PATH
        $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" +
                    [System.Environment]::GetEnvironmentVariable("Path","User")
    } catch {
        Write-Host "[!] Echec installation Python : $_" -ForegroundColor Red
        Write-Host "    Installez Python manuellement : https://python.org/downloads" -ForegroundColor Yellow
        Read-Host "`nAppuyez sur Entree pour fermer"
        exit 1
    }
}

function Download-Agent {
    Write-Host "[*] Telechargement de l'agent ABIS..." -ForegroundColor Cyan

    try {
        $wc = New-Object System.Net.WebClient
        $wc.DownloadFile($AgentUrl, $AgentFile)
        Write-Host "[+] Agent telecharge : $AgentFile" -ForegroundColor Green
    } catch {
        Write-Host "[!] Echec telechargement : $_" -ForegroundColor Red
        Write-Host "    Verifiez votre connexion internet." -ForegroundColor Yellow
        Read-Host "`nAppuyez sur Entree pour fermer"
        exit 1
    }
}

function Run-Audit {
    Write-Host ""
    Write-Host "[*] Lancement de l'audit de securite..." -ForegroundColor Cyan
    Write-Host "    (cela peut prendre 1-2 minutes)" -ForegroundColor Gray
    Write-Host ""

    $pythonCmd = if (Get-Command python -ErrorAction SilentlyContinue) { "python" } else { "python3" }

    try {
        & $pythonCmd $AgentFile --once
    } catch {
        Write-Host "[!] Erreur lors de l'audit : $_" -ForegroundColor Red
    }
}

# ---- Main ----
Write-Banner

# 1. Verifier Python
if (-not (Test-PythonInstalled)) {
    Install-Python

    # Re-verifier apres installation
    if (-not (Test-PythonInstalled)) {
        Write-Host "[!] Python toujours introuvable apres installation." -ForegroundColor Red
        Write-Host "    Redemarrez votre PC puis relancez ce script." -ForegroundColor Yellow
        Read-Host "`nAppuyez sur Entree pour fermer"
        exit 1
    }
} else {
    $ver = & python --version 2>&1
    Write-Host "[+] $ver detecte." -ForegroundColor Green
}

# 2. Telecharger l'agent
Download-Agent

# 3. Lancer l'audit
Run-Audit

Write-Host ""
Write-Host "================================================" -ForegroundColor Cyan
Write-Host "  Audit termine. Rapport envoye a ABIS." -ForegroundColor Cyan
Write-Host "================================================" -ForegroundColor Cyan
Write-Host ""
Read-Host "Appuyez sur Entree pour fermer"