<?php

require_once __DIR__ . '/lib/fscash.php';

function get2symbol(string $isin, string $openFigiApiKey): ?string
{
	$url = "https://api.openfigi.com/v3/mapping";

	$postData = json_encode([
		[
			"idType" => "ID_ISIN",
			"idValue" => $isin
		]
	]);

	$headers = [
		"Content-Type: application/json",
		"X-OPENFIGI-APIKEY: $openFigiApiKey"
	];

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

	$response = curl_exec($ch);

	if (curl_errno($ch)) {
		curl_close($ch);
		return null;
	}

	curl_close($ch);

	$data = json_decode($response, true);

	if (!isset($data[0]['data']) || empty($data[0]['data'])) {
		return null;
	}

	return fscash_select_figi_symbol($data[0]['data']);
}