<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';
require_once __DIR__ . '/../includes/functions.php';

$customer_id = isset($_GET['customer_id']) ? intval($_GET['customer_id']) : null;

if (!$customer_id) {
    echo json_encode(['success' => false, 'error' => 'Customer ID required']);
    exit;
}

try {
    $pdo = db();
    $stmt = $pdo->prepare("SELECT id, points_change, reason, order_id, created_at 
                           FROM loyalty_points_history 
                           WHERE customer_id = ? 
                           ORDER BY created_at DESC 
                           LIMIT 50");
    $stmt->execute([$customer_id]);
    $history = $stmt->fetchAll(PDO::FETCH_ASSOC);

    echo json_encode(['success' => true, 'history' => $history]);
} catch (Exception $e) {
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}