<?php
/**
 * API - Guardar menú
 * Fecha: 13 de noviembre de 2025
 */

require_once '../config/config.php';

header('Content-Type: application/json; charset=utf-8');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST');
header('Access-Control-Allow-Headers: Content-Type');

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    echo json_encode(['error' => 'Método no permitido']);
    exit;
}

try {
    $input = json_decode(file_get_contents('php://input'), true);
    
    if (!$input || !isset($input['name']) || !isset($input['title'])) {
        http_response_code(400);
        echo json_encode(['error' => 'Nombre y título son requeridos']);
        exit;
    }
    
    $db = Database::getInstance();
    
    // Verificar si es menú raíz
    $isRoot = empty($input['parent_id']) ? 1 : 0;
    
    // Obtener próximo order_position
    $maxOrder = $db->fetch(
        "SELECT COALESCE(MAX(order_position), 0) as max_order FROM menus"
    );
    
    $menuData = [
        'name' => $input['name'],
        'title' => $input['title'],
        'description' => $input['description'] ?? '',
        'parent_id' => empty($input['parent_id']) ? null : $input['parent_id'],
        'is_root' => $isRoot,
        'is_active' => $input['is_active'] ?? 1,
        'order_position' => $maxOrder['max_order'] + 1,
        'created_at' => date('Y-m-d H:i:s'),
        'updated_at' => date('Y-m-d H:i:s')
    ];
    
    $menuId = $db->insert('menus', $menuData);
    
    echo json_encode([
        'success' => true,
        'message' => 'Menú guardado correctamente',
        'menu_id' => $menuId
    ]);
    
} catch (Exception $e) {
    error_log("Error in save_menu.php: " . $e->getMessage());
    http_response_code(500);
    echo json_encode(['error' => 'Error interno del servidor: ' . $e->getMessage()]);
}
?>