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

try {
    if (!isset($_GET['id'])) {
        throw new Exception("Parametro ID mancante.");
    }

    $idMescola = (int) $_GET['id'];

    $db = DBHandlerSelect::getInstance();
    $pdo = $db->getConnection();

    // Recupera TUTTE le linee
    $stmt = $pdo->query("SELECT id, name, brand FROM production_lines ORDER BY line_number ASC");
    $tutte_linee = $stmt->fetchAll(PDO::FETCH_ASSOC);

    // Recupera linee associate a questa mescola
    $stmt = $pdo->prepare("SELECT idlinea FROM mescole_lines WHERE idmescola = ?");
    $stmt->execute([$idMescola]);
    $associate = $stmt->fetchAll(PDO::FETCH_COLUMN);

    // Conversione in stringhe (per compatibilità con JS)
    $associate = array_map('strval', $associate);

    echo json_encode([
        "success" => true,
        "tutte_linee" => $tutte_linee,
        "associate" => $associate
    ]);
} catch (Exception $e) {
    echo json_encode([
        "success" => false,
        "message" => $e->getMessage()
    ]);
}