<?php
require __DIR__ . '/../../bbs/db_conn.php';

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

// PDO 연결 생성
$pdo = db_conn();

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
  echo json_encode(['success' => false, 'message' => '잘못된 요청입니다.']);
  exit;
}

$goal_code = isset($_POST['goal_code']) ? trim($_POST['goal_code']) : '';
$seqRaw = isset($_POST['seq']) ? trim((string)$_POST['seq']) : '';
$seq = ($seqRaw !== '' ? (int)$seqRaw : null);

if ($goal_code === '' || $seq === null) {
  echo json_encode(['success' => false, 'message' => '학습목표 코드가 필요합니다.']);
  exit;
}

try {
  $stmt = $pdo->prepare("DELETE FROM edu_recommended_goals WHERE goal_code = :g AND seq = :s");
  $stmt->execute([':g' => $goal_code, ':s' => $seq]);
  echo json_encode(['success' => true]);
} catch (PDOException $e) {
  echo json_encode(['success' => false, 'message' => 'DB 에러: ' . $e->getMessage()]);
}
exit;