<?php
/**
 * vision.php — Intégration Vision (licence + config)
 * CopyMail s'enregistre auprès de Vision et vérifie sa licence.
 * À compléter avec l'endpoint et le format exact de l'API Vision.
 */

define('VISION_API_URL', 'https://vision.copydev.fr/api');
define('VISION_APP_ID',  'copymail');

function vision_check(): array {
    $keyprog = cfg('vision_keyprog', '');
    if (!$keyprog) {
        return ['valid' => false, 'msg' => 'Clé Vision non configurée.'];
    }

    $payload = [
        'app'      => VISION_APP_ID,
        'keyprog'  => $keyprog,
        'version'  => cfg('app_version', '1.0'),
        'hostname' => cfg('hostname', gethostname()),
        'ip'       => $_SERVER['SERVER_ADDR'] ?? '',
    ];

    $ctx = stream_context_create(['http' => [
        'method'        => 'POST',
        'header'        => "Content-Type: application/json\r\n",
        'content'       => json_encode($payload),
        'timeout'       => 5,
        'ignore_errors' => true,
    ]]);

    $resp = @file_get_contents(VISION_API_URL . '/check', false, $ctx);
    if ($resp === false) {
        return ['valid' => true, 'msg' => 'Vision injoignable — mode dégradé.'];
    }

    $data = json_decode($resp, true);
    return [
        'valid'  => (bool)($data['valid'] ?? false),
        'msg'    => $data['message'] ?? '',
        'config' => $data['config'] ?? [],
    ];
}

function vision_push_config(array $config): void {
    // Applique la config reçue depuis Vision en BDD
    foreach ($config as $key => $value) {
        cfg_set($key, $value);
    }
}

function vision_register(): bool {
    $keyprog = cfg('vision_keyprog', '');
    if (!$keyprog) return false;

    $payload = [
        'app'      => VISION_APP_ID,
        'keyprog'  => $keyprog,
        'hostname' => cfg('hostname', gethostname()),
        'domain'   => cfg('domain', ''),
        'version'  => cfg('app_version', '1.0'),
        'accounts' => (int)db()->query('SELECT COUNT(*) FROM accounts WHERE active=1')->fetchColumn(),
    ];

    $ctx = stream_context_create(['http' => [
        'method'        => 'POST',
        'header'        => "Content-Type: application/json\r\n",
        'content'       => json_encode($payload),
        'timeout'       => 5,
        'ignore_errors' => true,
    ]]);

    $resp = @file_get_contents(VISION_API_URL . '/register', false, $ctx);
    return $resp !== false;
}