import { IOS } from 'cc/env';
import { IAPImpl, IAPProductsResult, IAPResult } from './IAPImpl';
import { IOSIAP } from './IOSIAP';

class UnsupportedIAP extends IAPImpl {
    private unsupported(): never { throw new Error('当前平台尚未实现内购。'); }
    async init(_ids: string[]): Promise<IAPProductsResult> { return this.unsupported(); }
    async purchase(_id: string): Promise<IAPResult> { return this.unsupported(); }
    async restore(): Promise<IAPResult[]> { return this.unsupported(); }
    async getPendingTransactions(): Promise<IAPResult[]> { return this.unsupported(); }
    async finishTransaction(_id: string): Promise<void> { this.unsupported(); }
    onTransaction(_listener: (transaction: IAPResult) => void): () => void { return () => {}; }
}
const iap: IAPImpl = IOS ? new IOSIAP() : new UnsupportedIAP();
export default iap;
export * from './IAPImpl';