<?php

namespace App\Telegram\Middleware;

use App\Support\SafeLog;
use App\Telegram\TelegramBotContext;
use SergiX44\Nutgram\Nutgram;
use SergiX44\Nutgram\Telegram\Properties\ChatType;

/**
 * Allow only the official owner chat or an enabled agent's chat_id.
 * Binds TelegramBotContext so later handlers know official vs agent.
 */
class AuthorizedChat
{
    public function __construct(
        private readonly TelegramBotContext $context,
    ) {}

    public function __invoke(Nutgram $bot, callable $next): mixed
    {
        $chatId = $bot->chatId();
        if (! $this->context->bindFromChatId($chatId)) {
            SafeLog::channel('telegram')->info('telegram AuthorizedChat: chat rejected', [
                'chat_id' => $chatId,
                'expected_official' => trim((string) config('coruna.telegram.owner_chat_id', '')),
            ]);

            return null;
        }

        $type = $bot->chat()?->type;
        $typeValue = $type instanceof ChatType ? $type->value : (string) $type;
        if (! in_array($typeValue, [ChatType::GROUP->value, ChatType::SUPERGROUP->value, 'group', 'supergroup'], true)) {
            SafeLog::channel('telegram')->info('telegram AuthorizedChat: not a group chat', [
                'chat_id' => $chatId,
                'type' => $typeValue,
            ]);

            return null;
        }

        return $next($bot);
    }
}