<?php

namespace App\Telegram\Handlers;

use App\Models\Channel;
use App\Telegram\TelegramBotContext;
use SergiX44\Nutgram\Nutgram;
use SergiX44\Nutgram\Telegram\Types\Keyboard\CopyTextButton;
use SergiX44\Nutgram\Telegram\Types\Keyboard\InlineKeyboardButton;
use SergiX44\Nutgram\Telegram\Types\Keyboard\InlineKeyboardMarkup;

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

    public function __invoke(Nutgram $bot): void
    {
        $query = Channel::query()->with('user:id,username')->orderByDesc('id');
        $agent = $this->context->agent();
        if ($agent !== null) {
            $query->where('user_id', $agent->id);
        }

        $channels = $query->limit(30)->get();

        if ($channels->isEmpty()) {
            $bot->sendMessage('暂无渠道');

            return;
        }

        $lines = ['📎 渠道列表（点按钮复制链接）', ''];
        $markup = InlineKeyboardMarkup::make();

        foreach ($channels as $i => $channel) {
            $remark = trim((string) ($channel->remark ?? ''));
            $remarkLabel = $remark !== '' ? $remark : '—';
            $owner = $channel->agentLabel();
            $status = $channel->isEnabled() ? '启用' : '停用';
            $lines[] = ($i + 1).'. '.$channel->channel_id;
            $lines[] = '   备注: '.$remarkLabel.' | 归属: '.$owner.' | '.$status;

            if ($channel->isNewBuilder()) {
                $btnText = ($remark !== '' ? mb_substr($remark, 0, 18) : $channel->channel_id).' · 渠道码';
                $markup->addRow(InlineKeyboardButton::make(
                    text: $btnText,
                    copy_text: CopyTextButton::make($channel->channel_id),
                ));

                continue;
            }

            $links = $channel->supportLinks();
            $link = $links[0] ?? $channel->landingPath();
            if (strlen($link) > 256) {
                $link = substr($link, 0, 256);
            }

            $btnText = ($remark !== '' ? mb_substr($remark, 0, 18) : substr($channel->channel_id, 0, 8)).' · 复制链接';
            $markup->addRow(InlineKeyboardButton::make(
                text: $btnText,
                copy_text: CopyTextButton::make($link),
            ));
        }

        if ($channels->count() >= 30) {
            $lines[] = '';
            $lines[] = '（仅显示最近 30 条）';
        }

        $bot->sendMessage(
            implode("\n", $lines),
            reply_markup: $markup,
        );
    }
}