<?php
/** admin2/api/dm.php — Direct messages (kind 4/14/15). */
require_once __DIR__ . '/../lib/helpers.php';
$pdo = db();

$limit = min(200, intval($_GET['limit'] ?? 50));
$rows = $pdo->prepare("SELECT id, pubkey, kind, created_at, content FROM events WHERE kind IN (4, 14, 15) ORDER BY created_at DESC LIMIT $limit");
$rows->execute();
$messages = $rows->fetchAll();

foreach ($messages as &$m) {
    $m['created_at'] = date('Y-m-d H:i:s', intval($m['created_at']));
    $m['content'] = substr($m['content'] ?? '', 0, 300);
}

json_response(['messages' => $messages]);