<?php
declare(strict_types=1);
/**
 * @var object $row
 * @var array<string,mixed> $before
 * @var array<string,mixed> $after
 * @var array<string,string> $tableLabels
 * @var array<string,string> $actionLabels
 */
$act = (string) ($row->al_action ?? '');
$tbl = (string) ($row->al_table ?? '');
$who = trim((string) ($row->mb_name ?? '') . (($row->mb_id ?? '') !== '' ? ' (' . $row->mb_id . ')' : ''));

// 변경된 키 강조용: before/after 값이 다른 키
$allKeys = array_values(array_unique(array_merge(array_keys($before), array_keys($after))));
$fmt = static function ($v): string {
    if (is_array($v)) {
        return json_encode($v, JSON_UNESCAPED_UNICODE);
    }
    return (string) ($v ?? '');
};
?>
<section class="p-4">
  <div class="flex items-center justify-between mb-3 no-print">
    <a href="<?= base_url('admin/access/activity-logs') ?>" class="text-sm text-blue-700 hover:underline">&larr; 목록으로</a>
    <button onclick="window.print()" class="border border-btn-print-border text-gray-600 px-3 py-1 rounded-sm text-sm hover:bg-gray-50">인쇄</button>
  </div>

  <table class="w-full data-table text-sm mb-5" style="max-width:680px;">
    <tbody>
      <tr><th class="text-left bg-gray-50 w-32">일시</th><td class="text-left pl-2"><?= esc((string) ($row->al_regdate ?? '')) ?></td></tr>
      <tr><th class="text-left bg-gray-50">사용자</th><td class="text-left pl-2"><?= $who !== '' ? esc($who) : '시스템' ?></td></tr>
      <tr><th class="text-left bg-gray-50">작업</th><td class="text-left pl-2"><?= esc($actionLabels[$act] ?? $act) ?></td></tr>
      <tr><th class="text-left bg-gray-50">대상</th><td class="text-left pl-2"><?= esc($tableLabels[$tbl] ?? $tbl) ?> (<?= esc($tbl) ?>) · 번호 <?= (int) ($row->al_record_id ?? 0) ?></td></tr>
    </tbody>
  </table>

  <h3 class="font-bold text-gray-700 mb-2">변경 내역 (전 → 후)</h3>
  <?php if ($allKeys === []): ?>
    <p class="text-gray-400 text-sm">상세 데이터가 없습니다.</p>
  <?php else: ?>
  <div class="border border-gray-300 rounded-lg overflow-auto">
    <table class="w-full data-table text-sm">
      <thead>
        <tr>
          <th class="text-left w-40">항목</th>
          <th class="text-left">변경 전</th>
          <th class="text-left">변경 후</th>
        </tr>
      </thead>
      <tbody>
        <?php foreach ($allKeys as $k): ?>
          <?php
            $b = array_key_exists($k, $before) ? $fmt($before[$k]) : null;
            $a = array_key_exists($k, $after) ? $fmt($after[$k]) : null;
            $changed = ($act === 'update') && ($b !== $a);
          ?>
          <tr<?= $changed ? ' style="background:#fffbeb;"' : '' ?>>
            <td class="text-left pl-2 font-semibold text-gray-700"><?= esc((string) $k) ?></td>
            <td class="text-left pl-2 <?= $changed ? 'text-red-700' : 'text-gray-500' ?>"><?= $b === null ? '<span class="text-gray-300">—</span>' : esc($b) ?></td>
            <td class="text-left pl-2 <?= $changed ? 'text-blue-700 font-semibold' : 'text-gray-700' ?>"><?= $a === null ? '<span class="text-gray-300">—</span>' : esc($a) ?></td>
          </tr>
        <?php endforeach; ?>
      </tbody>
    </table>
  </div>
  <?php endif; ?>
</section>
