import {
    Machine, MachineInit
} from "../Independents/Machine.js"
import { CHostOwnershipRecord, IHost } from "../Engine/Host.js"
import { Datagram } from "../Independents/Datagram/datagram-types.js"
import { HostNameTemplate } from "../Independents/DNS/HostName.js"
import { SpawningError } from "../Engine/Gateway.js"
import { Either, Left } from "../Independents/util/Either.js";


export class DocumentHost implements IHost {

    aliases2: string[] = [];
    machine: Machine;

    constructor(alias: string | null, public machineInit: MachineInit) {
        this.machine = new Machine(machineInit);
    }

    async onReceiveDatagram(datagram: Datagram) {
    }

    allocateChildName(hostTemplate: HostNameTemplate, secret: string): Either<SpawningError, string> {
        return Left(new SpawningError(hostTemplate.nameTemplate, `Document hosts cannot spawn children.`));
    }

    get childHosts(): { [key: string]: CHostOwnershipRecord; } {
        return {}
    }


    addChild(name: string, secret: string, registred: boolean, gateway: string): CHostOwnershipRecord {
        throw new Error("Cannot add child hosts to document hosts")
    }
}