import os
from flask import Blueprint, redirect, flash, send_file, abort
from auth import require_level
from config_utils import CONFIGS_DIR

bp = Blueprint('action_clear_ddns_log', __name__)

LOG_FILE = f'{CONFIGS_DIR}/ddns.log'


@bp.route('/action/clear_ddns_log', methods=['POST'])
@require_level('administrator')
def clear_ddns_log():
    try:
        open(LOG_FILE, 'w').close()
        flash('DDNS log cleared.', 'success')
    except Exception as ex:
        flash(f'Could not clear log: {ex}', 'error')
    return redirect('/view/view_ddns')


@bp.route('/action/download_ddns_log', methods=['GET'])
@require_level('administrator')
def download_ddns_log():
    if not os.path.isfile(LOG_FILE):
        abort(404)
    return send_file(LOG_FILE, as_attachment=True, download_name='ddns.log', mimetype='text/plain')