import {eServiceStatus, Service} from "../models/service";

const listServices = require("linux-systemd").list;

class SystemdWrapper {
    private getStatus(status:string): eServiceStatus {
        status = status.toLocaleLowerCase();
        if (status === "active")
            return eServiceStatus.eActive;
        else if (status === "inactive")
            return eServiceStatus.eInactive;
        else if (status === "failed")
            return eServiceStatus.eFailed;
        else if (status === "activating")
            return eServiceStatus.eActivating;
        else if (status === "deactivating")
            return eServiceStatus.eDeactivating;
        else if (status === "maintenance")
            return eServiceStatus.eMaintenance;
        else if (status === "reloading")
            return eServiceStatus.eReloading;
        else if (status === "refreshing")
            return eServiceStatus.eRefreshing;
        return eServiceStatus.eUnknown;
    }

    public async list(): Promise<Array<Service>> {
        let services = await listServices();
        return Object.keys(services)
            .map((serviceKey: string) => services[serviceKey])
            .map((service: any) => <Service> {
                name: service.name,
                description: service.description,
                status: this.getStatus(service.activeState),
                statusText: service.subState
            });
    }
}

export default new SystemdWrapper();