<?php

namespace App\Telegram;

use App\Models\User;
use App\Telegram\Handlers\ChannelCommand;
use App\Telegram\Handlers\DataCommand;
use App\Telegram\Handlers\HelpCommand;
use App\Telegram\Handlers\PingCommand;
use App\Telegram\Handlers\TransferCommand;
use App\Telegram\Middleware\AuthorizedChat;
use App\Telegram\Middleware\GroupAdminOnly;
use App\Telegram\Middleware\OfficialOnly;
use SergiX44\Nutgram\Nutgram;

class TelegramRegistrar
{
    public function __construct(
        private readonly TelegramBotContext $context,
    ) {}

    /** Official system bot — includes /transfer. Does not mutate bot context. */
    public function registerOfficial(Nutgram $bot): void
    {
        $this->registerShared($bot, allowTransfer: true);
    }

    /** Agent bot — no /transfer; binds request context to this agent. */
    public function registerAgent(Nutgram $bot, User $agent): void
    {
        $this->context->setAgent($agent);
        $this->registerShared($bot, allowTransfer: false);
    }

    private function registerShared(Nutgram $bot, bool $allowTransfer): void
    {
        // HandlerGroup::middleware() unshifts — register GroupAdminOnly first so
        // AuthorizedChat ends up outermost (chat allowlist before admin check).
        $bot->group(function (Nutgram $bot) use ($allowTransfer) {
            $bot->onCommand('help', HelpCommand::class)
                ->description('List available commands');

            $bot->onCommand('ping', PingCommand::class)
                ->description('Health check');

            $bot->onCommand('data', DataCommand::class)
                ->description('Visit stats (today). Optional: /data 1|7|30 [channelId]');

            $bot->onCommand('data {args}', DataCommand::class)
                ->where('args', '.+')
                ->description('Visit stats for 1/7/30 days, optional channelId');

            $bot->onCommand('channel', ChannelCommand::class)
                ->description('List channels with copyable support links');

            if ($allowTransfer) {
                $bot->onCommand('transfer {args}', TransferCommand::class)
                    ->where('args', '.+')
                    ->middleware(OfficialOnly::class)
                    ->description('Transfer TRX or USDT from a device address (omit amount = all)');
            }
        })
            ->middleware(GroupAdminOnly::class)
            ->middleware(AuthorizedChat::class);
    }
}