<?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);

try {
    $api = VisualLimsApiClient::getInstance();

    // მივიღოთ მრავლობითი field_ids
    $fieldIds = [];
    if (isset($_GET['field_ids'])) {
        $fieldIds = array_filter(array_map('intval', explode(',', $_GET['field_ids'])));
    }

    // თუ არ გადმოგვცეს -> ერთი default
    if (empty($fieldIds)) {
        $fieldIds = [156];
    }

    $results = [];
    $cacheDir = __DIR__ . '/cache';
    if (!is_dir($cacheDir)) mkdir($cacheDir, 0777, true);

    foreach ($fieldIds as $customFieldId) {
        $cacheFile = $cacheDir . '/customfield_' . $customFieldId . '.json';

        // Use cache if fresh (1 hour)
        if (file_exists($cacheFile) && (time() - filemtime($cacheFile) < 3600)) {
            $results[$customFieldId] = json_decode(file_get_contents($cacheFile), true);
            continue;
        }

        $endpoint = "CustomField($customFieldId)?\$expand=CustomFieldsValues";
        $data = $api->get($endpoint);
        $values = $data['CustomFieldsValues'] ?? [];
        $results[$customFieldId] = $values;

        file_put_contents($cacheFile, json_encode($values));
    }

    echo json_encode($results);
} catch (Exception $e) {
    http_response_code(500);
    echo json_encode([
        'error' => $e->getMessage()
    ]);
}