from __future__ import annotations
import orjson
from redis.asyncio.client import Redis
from src.application.contracts import ICache
from src.application.domain.entities.user import UserEntity


class RemoteCache(ICache):


    USER_PREFIX = 'user:me'


    def __init__(self,redis_client: Redis) -> None:
        self._r = redis_client


    async def set(self,key: str,value: str,ttl: int) -> bool:
        return bool(await self._r.set(key,value,ex=ttl))


    async def set_nx(self,key: str,value: str,ttl: int) -> bool:
        return bool(await self._r.set(key,value,ex=ttl,nx=True))


    async def get(self,key: str) -> str | None:
        mapping = await self._r.hgetall(key)
        if not mapping:
            return None
        return mapping.get('usdt_rub')


    async def hget(self,key: str,field: str) -> str | None:
        return await self._r.hget(key,field)


    async def delete(self,key: str) -> bool:
        return (await self._r.delete(key)) > 0


    async def get_user(self,user_id: str) -> dict | None:
        raw = await self._r.get(f'{self.USER_PREFIX}:{user_id}')
        if raw is None:
            return None
        return orjson.loads(raw)


    async def set_user(self,user_id: str,user: UserEntity,ttl: int = 300) -> None:
        data = orjson.dumps({
            'id': user.id,
            'email': user.email,
            'first_name': user.first_name,
            'middle_name': user.middle_name,
            'last_name': user.last_name,
            'birth_date': str(user.birth_date) if user.birth_date else None,
            'crypto_wallet': user.crypto_wallet,
            'phone': user.phone,
            'bik': user.bik,
            'account_number': user.account_number,
            'card_number': user.card_number,
            'inn': user.inn,
            'kyc_verified': user.kyc_verified,
            'is_deleted': user.is_deleted,
            'created_at': user.created_at.isoformat() if user.created_at else None,
            'updated_at': user.updated_at.isoformat() if user.updated_at else None,
            'kyc_verified_at': user.kyc_verified_at.isoformat() if user.kyc_verified_at else None,
        })
        await self._r.set(f'{self.USER_PREFIX}:{user_id}',data,ex=ttl)