from abc import ABC, abstractmethod
from typing import Optional, Dict, Any


class PaymentGateway(ABC):
    name: str = ""

    @abstractmethod
    async def create_order(self, order_no: str, amount: int, description: str,
                           **kwargs) -> Dict[str, Any]:
        ...

    @abstractmethod
    async def query_order(self, order_no: str) -> Dict[str, Any]:
        ...

    @abstractmethod
    async def refund(self, order_no: str, amount: int, reason: str = "") -> Dict[str, Any]:
        ...

    @abstractmethod
    async def query_refund(self, order_no: str) -> Dict[str, Any]:
        ...

    @abstractmethod
    def verify_callback(self, headers: dict, body: str) -> bool:
        ...

    @abstractmethod
    def parse_callback(self, body: str, headers: dict) -> Dict[str, Any]:
        ...

    def supports(self, pay_type: str) -> bool:
        return pay_type in self.supported_types

    supported_types: list = []