from datetime import datetime

from aiogram.utils.web_app import safe_parse_webapp_init_data
from sanic import response

from app.core._config import TELEGRAM_API_KEY
from app.core.models.user import User


async def s_api_v1_auth_twa(request):
    if not request.json:
        return response.json({"error": "No data provided"}, status=400)

    if not request.json.get('twa_data'):
        return response.json({"error": "No TWA data provided"}, status=400)

    twa_data = request.json['twa_data']
    twa_data = safe_parse_webapp_init_data(token=TELEGRAM_API_KEY, init_data=twa_data)
    assert twa_data

    known_user = request.ctx.db_session.query(User).filter(User.telegram_id == twa_data.user.id).first()
    if not known_user:
        new_user = User(
            telegram_id=twa_data.user.id,
            username=twa_data.user.username,
            meta={
                "first_name": twa_data.user.first_name,
                "last_name": twa_data.user.last_name,
                "photo_url": twa_data.user.photo_url
            },
            lang_code=twa_data.user.language_code,
            last_use=datetime.now(),
            created=datetime.now()
        )
        request.ctx.db_session.add(new_user)
        request.ctx.db_session.commit()

        known_user = request.ctx.db_session.query(User).filter(User.telegram_id == twa_data.user.id).first()
        assert known_user, "User not created"

    new_user_key = await known_user.create_api_token_v1(request.ctx.db_session, "USER_API_V1")
    return response.json({
        'user': known_user.json_format(),
        'auth_v1_token': new_user_key['auth_v1_token']
    })