from flask import Blueprint, request, jsonify
import base64
from util.logger import logger
from auth.token import verify_token

base64_blueprint = Blueprint('base64_tool', __name__)


@base64_blueprint.route('/api/base64/encode', methods=['POST'])
def encode():
    user = verify_token()
    if not user:
        return jsonify({"message": "Nicht autorisiert"}), 401
    try:
        data = request.get_json()
        text = data.get("text", "")
        result = base64.b64encode(text.encode()).decode()
        logger.info(f"Base64 kodiert von {user['username']}")
        return jsonify({"result": result})
    except Exception as e:
        logger.error(f"Fehler Base64 encode: {e}")
        return jsonify({"message": "Fehler beim Kodieren"}), 500


@base64_blueprint.route('/api/base64/decode', methods=['POST'])
def decode():
    user = verify_token()
    if not user:
        return jsonify({"message": "Nicht autorisiert"}), 401
    try:
        data = request.get_json()
        text = data.get("text", "").strip()
        result = base64.b64decode(text.encode()).decode('utf-8')
        logger.info(f"Base64 dekodiert von {user['username']}")
        return jsonify({"result": result})
    except Exception as e:
        logger.error(f"Fehler Base64 decode: {e}")
        return jsonify({"message": "Ungültiger Base64-Input"}), 400