import { EntityDict } from '../oak-app-domain';
import { BRC } from '../types/RuntimeCxt';
type IState = EntityDict['pay']['OpSchema']['iState'];
type RefundIState = EntityDict['refund']['OpSchema']['iState'];

export default interface PayClazz {
    getAccountEntity(): [string, string];

    getAccountAmount(context: BRC) : Promise<number>;

    calcTransferTax(price: number): [number, string, string];       // [转账的税费, 渠道账户对象，渠道账户对象id]
    
    calcPayTax(price: number): [number, string, string];     // [支付的税费, 渠道账户对象，渠道账户对象id];

    calcRefundTax(price: number): [number, string, string];    // [退款的税费(可能是负，如果渠道退款不计手续费的话)， 渠道账户对象，账户对象id];

    prepay(pay: EntityDict['pay']['Schema'], data: EntityDict['pay']['Update']['data'], context: BRC): Promise<void>;

    getState(pay: EntityDict['pay']['OpSchema']): Promise<[IState, EntityDict['pay']['Update']['data']]>;

    close(pay: EntityDict['pay']['OpSchema']): Promise<void>;

    decodePayNotification(params: Record<string, any>, body: any): Promise<{
        payId: string;
        iState: IState;
        extra?: EntityDict['pay']['Update']['data'];
        price?: number;
    }>;

    decodeRefundNotification(params: Record<string, any>, body: any): Promise<{
        refundId: string,
        iState: RefundIState,
        extra?: EntityDict['refund']['Update']['data'],
        price?: number;
    }>

    // refund相关的待定
    refund(refund: EntityDict['refund']['Schema'], context: BRC): Promise<EntityDict['refund']['Update']['data'] | undefined>;

    getRefundableAt(successAt: number): number;

    getRefundState(refund: EntityDict['refund']['OpSchema']): Promise<[EntityDict['refund']['OpSchema']['iState'], EntityDict['refund']['Update']['data'] | undefined]>;
}