<?php

namespace App\Helpers;

use Telegram\Bot\Api;
use Telegram\Bot\Objects\Message;

class TelegramHelper
{

    private static ?Api $bot = null;

    private static function create(): Api
    {
        if (!empty(self::$bot)) {
            return self::$bot;
        }

        $apiKey = env('TELEGRAM_BOT_TOKEN');

        self::$bot = new Api($apiKey);

        return self::$bot;
    }

    public static function send(int $chatId, string $message, array $additionalParams = []): ?Message
    {
        $bot = self::create();
        $message = substr($message, 0, 4096);

        $params = ['chat_id' => $chatId, 'text' => $message];
        if (!empty($additionalParams)) {
            $params = array_merge($params, $additionalParams);
        }

        return $bot->sendMessage($params);
    }

    public static function adminSend(string $telegramMessage): void
    {
        $telegramIds = env('TELEGRAM_USER_IDS');
        if (empty($telegramIds)) {
            return;
        }

        $telegramIds = explode(',', $telegramIds);
        foreach ($telegramIds as $telegramId) {
            self::send($telegramId, $telegramMessage);
        }
    }

}