// 假设以下接口和类已经定义
interface ITransitlnvoker {
    Commit(transitentity: TransitEntity): AttachFile[];
}

class TransitEntity {
    ServiceName: string;
    FuncName: string;
    Parameters: { [key: string]: string };
}

class AttachFile {
    AttachValue: any;
}

class NettyInvoker implements ITransitlnvoker {
    Commit(transitentity: TransitEntity): AttachFile[] {
        // 实现具体逻辑
        return [];
    }
}

class WebserviceInvoker implements ITransitlnvoker {
    Commit(transitentity: TransitEntity): AttachFile[] {
        // 实现具体逻辑
        return [];
    }
}

class EncrypDecryptHelper {
    static Instance: EncrypDecryptHelper = new EncrypDecryptHelper();
    Mode = {
        Sm2: 'Sm2'
    };
    Init(mode: string, callback: (input: { [key: string]: string }) => { [key: string]: string } | null): boolean {
        // 实现具体逻辑
        return true;
    }
}

class CommonFunction {
    static ChangeStrToDic(str: string): { [key: string]: string } {
        // 实现具体逻辑
        return {};
    }
}

class ServiceManager {
    private transitlnvoker: ITransitlnvoker;
    private static instance: ServiceManager;

    public static GetInstance(): ServiceManager {
        if (!this.instance) {
            this.instance = new ServiceManager();
        }
        return this.instance;
    }

    private constructor() {
        this.transitlnvoker = this.GetTransit("netty");
        const flag = EncrypDecryptHelper.Instance.Init(EncrypDecryptHelper.Instance.Mode.Sm2, (input) => {
            const entity = new TransitEntity();
            entity.ServiceName = "UtilService";
            entity.FuncName = "ExChangeKey";
            entity.Parameters = { "1": input["ServerRandomRequest"] };
            const tmpresult = this.Commit(entity);
            if (tmpresult && tmpresult.length === 1) {
                const tradeReturn = CommonFunction.ChangeStrToDic(tmpresult[0].AttachValue.toString());
                if (tradeReturn.hasOwnProperty("dataResult") && tradeReturn.hasOwnProperty("KeyHandle")) {
                    return { "ServerRandom": tradeReturn["dataResult"], "ServerHandle": tradeReturn["KeyHandle"] };
                }
            }
            return null;
        });
        if (!flag) {
            throw new Error("报文通讯加解密初始化异常！");
        }
    }

    private GetTransit(transittype: string): ITransitlnvoker {
        switch (transittype) {
            case "netty":
                return new NettyInvoker();
            case "webservice":
                return new WebserviceInvoker();
            default:
                return new NettyInvoker();
        }
    }

    public Commit(transitentity: TransitEntity): AttachFile[] {
        const func = (entity: TransitEntity) => this.transitlnvoker.Commit(entity);
        if (!this.CommitWrapper) {
            return func(transitentity);
        }
        return this.CommitWrapper(transitentity, func);
    }

    public CommitWrapper: ((transitentity: TransitEntity, func: (entity: TransitEntity) => AttachFile[]) => AttachFile[]) | null = null;
}

export default ServiceManager;
