<?php
require_once 'db/config.php';
$pdo = db();
$id = 42;

echo "TODOS LOS ESTADOS EN 'unidades_inventario' PARA EL PRODUCTO 42:\n";
$stmt = $pdo->prepare("SELECT estado, COUNT(*) as total FROM unidades_inventario WHERE producto_id = ? GROUP BY estado");
$stmt->execute([$id]);
print_r($stmt->fetchAll(PDO::FETCH_ASSOC));

echo "\nÚLTIMOS 10 MOVIMIENTOS EN 'stock_movements' PARA EL PRODUCTO 42:\n";
$stmt = $pdo->prepare("SELECT movement_date, quantity, type, codigo_unico, metodo_registro FROM stock_movements WHERE product_id = ? ORDER BY created_at DESC LIMIT 10");
$stmt->execute([$id]);
print_r($stmt->fetchAll(PDO::FETCH_ASSOC));

?>