from flask import Blueprint, request, redirect, flash
from auth import require_level
from config_utils import load_core, save_core, verify_core_hash, queued_msg
import sanitize
import validation as validate

bp = Blueprint('action_apply_general', __name__)


@bp.route('/action/apply_general', methods=['POST'])
@require_level('administrator')
def apply_general():
    log_max_kb_raw      = request.form.get('log_max_kb', '').strip()
    log_errors_only     = 'log_errors_only' in request.form
    dnsmasq_log_queries = 'dnsmasq_log_queries' in request.form
    daily_execute_time  = sanitize.time_24h(request.form.get('daily_execute_time_24hr_local', ''))

    log_max_kb = validate.int_range(log_max_kb_raw, 64, None)
    if log_max_kb is None:
        flash('Max Log Size must be a number >= 64.', 'error')
        return redirect('/view/view_general')

    if not verify_core_hash(request.form.get('config_hash', '')):
        flash('Configuration was modified by another session. Please refresh and try again.', 'error')
        return redirect('/view/view_general')

    core = load_core()
    core.setdefault('general', {}).update({
        'log_max_kb':                    log_max_kb,
        'log_errors_only':               log_errors_only,
        'dnsmasq_log_queries':           dnsmasq_log_queries,
        'daily_execute_time_24hr_local': daily_execute_time,
    })
    errors = validate.validate_config(core)
    if errors:
        for msg in errors:
            flash(msg, 'error')
        return redirect('/view/view_general')
    save_core(core)

    flash(queued_msg('core apply'), 'success')
    return redirect('/view/view_general')