<?php
date_default_timezone_set('Asia/Seoul');
header('Content-Type: application/json; charset=utf-8');
require_once __DIR__ . '/../skin/member/basic/descope_session.php';
if (session_status() !== PHP_SESSION_ACTIVE) session_start();

$loginId = $_SESSION['user']['loginIds'][0] ?? '';

$commentId = (int)($_POST['commentId'] ?? 0);
$newComment = trim($_POST['comment'] ?? '');

if ($commentId < 1 || $newComment === '') {
  echo json_encode(['status'=>'fail','message'=>'잘못된 요청']); exit;
}

try {
  $pdo = new PDO("mysql:host=db;dbname=egbim;charset=utf8mb4",
    'egbim','baron3840!!',
    [PDO::ATTR_ERRMODE=>PDO::ERRMODE_EXCEPTION]);
  $pdo->exec("SET time_zone = '+09:00'");

  // 본인 댓글인지 확인
  $st = $pdo->prepare("SELECT commenter FROM qa_comments WHERE comment_id=?");
  $st->execute([$commentId]);
  $row = $st->fetch();
  if (!$row) { echo json_encode(['status'=>'fail','message'=>'존재하지 않는 댓글']); exit; }
  if ($row['commenter'] !== $loginId) {
    echo json_encode(['status'=>'fail','message'=>'본인 댓글만 수정 가능']); exit;
  }

  // 업데이트
  $up = $pdo->prepare("UPDATE qa_comments SET content=?, updated_at=NOW() WHERE comment_id=?");
  $up->execute([$newComment, $commentId]);

  echo json_encode(['status'=>'ok']);
} catch(Exception $e) {
  echo json_encode(['status'=>'fail','message'=>$e->getMessage()]);
}