import { types } from "@aas-core-works/aas-core3.0rc02-typescript";

export class AASStore {
    private static instance: AASStore;
    private shells: Array<types.AssetAdministrationShell> = [];

    private constructor() { }

    public static getInstance(): AASStore {
        if (!AASStore.instance) {
            AASStore.instance = new AASStore();
        }

        return AASStore.instance;
    }

    public addAAS(aas: types.AssetAdministrationShell | types.Environment): void {
        if (aas instanceof types.Environment) {
            if (aas.assetAdministrationShells) this.shells = this.shells.concat(aas.assetAdministrationShells);
        } else {
            this.shells.push(aas);
        }
    }

    public getAAS(id: string): types.AssetAdministrationShell | undefined {
        return this.shells.find((aas) => aas.id === id);
    }

    public removeAAS(id: string): void {
        this.shells = this.shells.filter((aas) => aas.id !== id);
    }

    public getAll(): Array<types.AssetAdministrationShell> {
        return this.shells;
    }
}