<?php
header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
$action=$_GET['action']??'stats';
switch($action){
  case 'stats':
    echo json_encode(['status'=>'success','data'=>['isps'=>6,'changes'=>2,'opportunities'=>3,'threats'=>1]]);
    break;
  case 'history':
    $items=[
      ['date'=>date('Y-m-d',time()-86400*0),'isp'=>'GMX','description'=>'Nouveau filtre TLS détecté'],
      ['date'=>date('Y-m-d',time()-86400*1),'isp'=>'Alice.it','description'=>'Blocage IP range 157.180.x.x'],
      ['date'=>date('Y-m-d',time()-86400*3),'isp'=>'Outlook','description'=>'Rate limit ajusté +10%'],
      ['date'=>date('Y-m-d',time()-86400*5),'isp'=>'T-Online','description'=>'SPF check renforcé'],
      ['date'=>date('Y-m-d',time()-86400*7),'isp'=>'Web.de','description'=>'DKIM signature obligatoire'],
      ['date'=>date('Y-m-d',time()-86400*10),'isp'=>'Ziggo','description'=>'Nouveau header check'],
      ['date'=>date('Y-m-d',time()-86400*14),'isp'=>'T-Online','description'=>'Filtre contenu mis à jour'],
      ['date'=>date('Y-m-d',time()-86400*20),'isp'=>'GMX','description'=>'Changement seuil bounce']
    ];
    echo json_encode(['status'=>'success','data'=>$items]);
    break;
  default:
    echo json_encode(['status'=>'success','data'=>['active'=>true]]);
}