from fastapi import APIRouter

from backend.app.services.link_service import list_public_links

router = APIRouter()


@router.get('/feed')
@router.get('/feed/{username}')
def public_feed(username: str | None = None):
    items = list_public_links(username)
    return [
        {
            'id': item['id'],
            'title': item['title'],
            'url': item['url'],
            'comment': item['comment'],
            'user': {
                'username': item['username'],
                'avatar_url': item['avatar_url'],
                'bio': item['bio'],
            },
            'created_at': item['created_at'],
        }
        for item in items
    ]