#!/usr/bin/env python

import sys
import subprocess

# Vérifie et installe les dépendances si nécessaire
def ensure_package(pkg):
    try:
        __import__(pkg)
    except ImportError:
        print(f"{pkg} non trouvé, installation...")
        subprocess.check_call([sys.executable, "-m", "pip", "install", pkg])

ensure_package("bs4")
ensure_package("requests")

from bs4 import BeautifulSoup
import requests
import argparse


def recherche_duckduckgo(query, n=5):
    url = "https://html.duckduckgo.com/html/"
    headers = {"User-Agent": "Mozilla/5.0"}

    response = requests.post(url, data={"q": query}, headers=headers)
    soup = BeautifulSoup(response.text, "html.parser")

    results = []
    for result in soup.find_all("a", class_="result__a", limit=n):
        title = result.get_text()
        link = result.get("href")
        results.append((title, link))

    return results


def extract_text(url, max_chars=300):
    try:
        headers = {"User-Agent": "Mozilla/5.0"}
        response = requests.get(url, headers=headers, timeout=5)

        soup = BeautifulSoup(response.text, "html.parser")

        # Récupère le texte brut
        text = soup.get_text(separator=" ", strip=True)

        return text[:max_chars] + "..."

    except Exception as e:
        return f"[Erreur lors de l'accès au site: {e}]"


def main():
    parser = argparse.ArgumentParser(description="Recherche + extraction de texte")
    parser.add_argument("query", type=str, help="Terme de recherche")
    parser.add_argument("-n", "--number", type=int, default=3, help="Nombre de résultats")
    parser.add_argument("--chars", type=int, default=300, help="Nombre de caractères à extraire")

    args = parser.parse_args()

    results = recherche_duckduckgo(args.query, args.number)

    for i, (title, link) in enumerate(results, 1):
        print(f"\n{i}. {title}")
        print(f"URL: {link}")

        snippet = extract_text(link, args.chars)
        print(f"Extrait: {snippet}")


if __name__ == "__main__":
    main()