<?php
// get_fixed_field_data.php

require_once dirname(__DIR__, 2) . '/vendor/autoload.php';
require_once dirname(__FILE__) . '/class/VisualLimsApiClient.class.php';

header('Content-Type: application/json');
ini_set('display_errors', '0');
error_reporting(E_ALL);

$field = $_GET['field'] ?? '';   // es: MoltiplicatorePrezzo, AnagraficaCertestObject, ...

if (!$field) {
    http_response_code(400);
    echo json_encode(['error' => 'Parametro "field" mancante']);
    exit;
}

$api = VisualLimsApiClient::getInstance(); // also loads dotenv as a side-effect
$simulate = ($_ENV['SIMULATE_EXPORT_LIMS'] ?? '') === 'true';
$base_url = 'https://93.43.5.102/limsapi/api/odata/';

$data = null;
$endpoint = null;
$cache_file = null;
$options = []; // qui puoi aggiungere filtri/ordering per campo se serve

try {
    switch ($field) {
        case 'MoltiplicatorePrezzo':
            $endpoint = 'MoltiplicatorePrezzi';
            $cache_file = __DIR__ . '/cache/moltiplicatori_prezzo.json';
            break;

        case 'AnagraficaCertestObject':
            $endpoint = 'AnagraficaCertestObject';
            $cache_file = __DIR__ . '/cache/anagrafica_certest_object.json';
            break;

        case 'AnagraficaCertestService':
            $endpoint = 'AnagraficaCertestService';
            $cache_file = __DIR__ . '/cache/anagrafica_certest_service.json';
            break;

        case 'ClienteResponsabile':
            $id_cliente = (int)($_GET['id_cliente'] ?? 0);
            if ($id_cliente <= 0) {
                if (!$simulate) {
                    http_response_code(400);
                    echo json_encode(['error' => 'Manca o invalido id_cliente']);
                    exit;
                }
                $id_cliente = 1; // dummy — mock ignores the actual ID
            }
            $endpoint = "Cliente($id_cliente)?\$expand=Responsabili";
            $cache_file = __DIR__ . '/cache/cliente_responsabili_' . $id_cliente . '.json';
            break;

        // case 'FuturoCampo5':
        //     $endpoint = 'QualcosaElse';
        //     break;

        default:
            http_response_code(400);
            echo json_encode(['error' => "Campo non supportato: $field"]);
            exit;
    }

    // Caching skipped in simulate mode to avoid polluting real-data cache files
    if (!$simulate && $cache_file && file_exists($cache_file) && (time() - filemtime($cache_file) < 3600)) { // 1 ora
        $data = json_decode(file_get_contents($cache_file), true);
    } else {
        $data = $api->get($endpoint, $options);

        if (!$simulate && $cache_file) {
            file_put_contents($cache_file, json_encode($data, JSON_PRETTY_PRINT));
        }
    }

    // Log ultimo URL (opzionale, per debug)
    $full_url = $base_url . $endpoint . ($options ? '?' . http_build_query($options) : '');
    file_put_contents(__DIR__ . '/last_urls.log', date('c') . " - $field - $full_url\n", FILE_APPEND);

    echo json_encode($data);
} catch (Exception $e) {
    file_put_contents(
        __DIR__ . '/error_log.txt',
        date('Y-m-d H:i:s') . " [$field] " . $e->getMessage() . PHP_EOL,
        FILE_APPEND
    );
    http_response_code(500);
    echo json_encode(['error' => $e->getMessage()]);
}