<?php
header('Content-Type: application/json; charset=utf-8');

// db_conn.php 로드 전에 IP 확인
$dbIp = gethostbyname('db');

// main_data.php 를 통한 실제 변수 확인
require_once __DIR__ . '/bbs/main_data.php';

// main_data.php 실행 후 실제 연결된 DB 확인
try {
    $pdo2 = db_conn();
    $connInfo = $pdo2->query("SELECT @@hostname h, CONNECTION_ID() cid,
        (SELECT GROUP_CONCAT(keyword_name ORDER BY created_at DESC) FROM user_keywords WHERE member_id='U001') as all_kw")->fetch();
} catch (Exception $e) {
    $connInfo = ['error' => $e->getMessage()];
}

echo json_encode([
    'db_resolved_ip' => $dbIp,
    'conn_info'      => $connInfo,
    'myKeywords'     => $myKeywords,
    'myKwJson'       => json_decode($myKwJson),
], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);