from flask import Blueprint, request, redirect, flash
from auth import require_level
from config_utils import load_core, save_core, verify_core_hash, apply_msg
import sanitize

bp = Blueprint('action_apply_general', __name__)



@bp.route('/action/apply_general', methods=['POST'])
@require_level('administrator')
def apply_general():
    wan_interface              = sanitize.interface_name(request.form.get('wan_interface', ''))
    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', ''))

    if not wan_interface:
        flash('WAN Interface is required.', 'error')
        return redirect('/view/view_general')

    try:
        log_max_kb = int(log_max_kb_raw)
        if log_max_kb < 64:
            raise ValueError
    except (ValueError, TypeError):
        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({
        'wan_interface':                wan_interface,
        '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,
    })
    save_core(core)

    flash(apply_msg(), 'success')
    return redirect('/view/view_general')