<?php
/**
 * POST /api/hub/users/getByIds.php
 *
 * Get multiple agents by their IDs or addresses.
 *
 * Body:
 *   IDs        int[]     optional  list of agent IDs
 *   Addresses  string[]  optional  list of agent addresses
 *   (provide one or both)
 *
 * Response: { OK: true, Users: [...] }
 */

require_once __DIR__ . '/../../helpers.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    jsonResponse(['OK' => false, 'ERROR' => 'method_not_allowed'], 405);
}

$body = readJsonBody();
$ids = $body['IDs'] ?? [];
$addresses = $body['Addresses'] ?? [];

if (empty($ids) && empty($addresses)) {
    jsonResponse(['OK' => false, 'ERROR' => 'ids_or_addresses_required']);
}

// Cap at 100
$ids = array_slice(array_map('intval', $ids), 0, 100);
$addresses = array_slice(array_map('trim', $addresses), 0, 100);

$users = [];

if (!empty($ids)) {
    $placeholders = implode(',', array_fill(0, count($ids), '?'));
    $rows = queryTimed("SELECT * FROM Sprinter_Agents WHERE ID IN ($placeholders)", $ids);
    foreach ($rows as $a) $users[(int) $a['ID']] = $a;
}

if (!empty($addresses)) {
    $placeholders = implode(',', array_fill(0, count($addresses), '?'));
    $rows = queryTimed("SELECT * FROM Sprinter_Agents WHERE FullAddress IN ($placeholders)", $addresses);
    foreach ($rows as $a) $users[(int) $a['ID']] = $a;
}

$formatted = [];
foreach ($users as $a) {
    $formatted[] = [
        'ID'          => (int) $a['ID'],
        'AgentName'   => $a['AgentName'],
        'FullAddress' => $a['FullAddress'],
        'ProjectName' => $a['ProjectName'],
        'AgentType'   => $a['AgentType'],
        'Role'        => $a['Role'],
        'ServerHost'  => $a['ServerHost'],
        'IsActive'    => (bool) $a['IsActive'],
        'CreatedAt'   => toISO8601($a['CreatedAt']),
    ];
}

jsonResponse(['OK' => true, 'Users' => $formatted]);