import {
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listCustomerNumbers as listCustomerNumbersInternal,
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readCatalog as readCatalogInternal,
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selectableFor,
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} from "@dh-software/baukasten-permissions";
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import {
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readConfiguration as readConfigurationInternal,
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readConfigurations as readConfigurationsInternal,
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resolveConfigurationPath as resolveConfigurationPathInternal,
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} from "@dh-software/baukasten-config-reader";
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import type {
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ConfigurationEntry,
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ConfigurationReference,
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CustomerNumber,
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JsonValue,
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StoreMembershipResolver,
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} from "@dh-software/baukasten-types";
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/** Options for {@link createBaukasten}. */
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export interface BaukastenOptions {
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/** Absolute path to the baukasten "configurations" directory. */
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configurationsDir: string;
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/**
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* Resolves whether a requesting customer is part of an owner's StoreTree
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* (furncloudcredentials). Supplied by the host (furnplan_web) so the library
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* never touches the database. May be sync or async. When omitted, "stores"
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* grants never match foreign customers.
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*/
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isStoreMember?: StoreMembershipResolver;
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}
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/**
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* The stable baukasten API surface. Consumers (furnplan_web) depend only on this
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* contract; the internal package layout and helper signatures may change freely
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* as long as these method shapes stay the same.
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*/
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export interface Baukasten {
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/** All customer-number folders present under the configurations directory. */
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listCustomerNumbers(): Promise<CustomerNumber[]>;
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/** The full catalog across all customers (display-names + resolved permissions). */
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getCatalog(): Promise<ConfigurationEntry[]>;
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/** The catalog filtered to what `requestingCustomerNumber` may select (for the AUC). */
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getSelectableConfigurations(
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requestingCustomerNumber: CustomerNumber,
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): Promise<ConfigurationEntry[]>;
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/** Resolves a reference to its absolute file path (throws if missing). */
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resolveConfigurationPath(reference: ConfigurationReference): Promise<string>;
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/** Reads & parses a single referenced configuration. */
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readConfiguration(reference: ConfigurationReference): Promise<JsonValue>;
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/** Reads & parses an ordered list of references, preserving merge order. */
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readConfigurations(references: ConfigurationReference[]): Promise<JsonValue[]>;
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}
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/** Creates a {@link Baukasten} bound to one configurations directory + store resolver. */
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export function createBaukasten(options: BaukastenOptions): Baukasten {
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const { configurationsDir, isStoreMember } = options;
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return {
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listCustomerNumbers() {
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return listCustomerNumbersInternal(configurationsDir);
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},
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getCatalog() {
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return readCatalogInternal(configurationsDir);
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},
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async getSelectableConfigurations(requestingCustomerNumber) {
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const catalog = await readCatalogInternal(configurationsDir);
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// Pre-resolve the (possibly async) StoreTree membership only for the
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// owners whose visibility actually depends on it, then filter synchronously.
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const storeOwners = new Set(
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catalog
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.filter(
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(entry) =>
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entry.permission.blanket === "stores" &&
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entry.permission.owner !== requestingCustomerNumber &&
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!entry.permission.consumers.includes(requestingCustomerNumber),
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)
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.map((entry) => entry.permission.owner),
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);
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const memberOf = new Set<CustomerNumber>();
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for (const owner of storeOwners) {
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if (isStoreMember && (await isStoreMember(owner, requestingCustomerNumber))) {
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memberOf.add(owner);
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}
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}
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return selectableFor(catalog, requestingCustomerNumber, {
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isStoreMember: (owner) => memberOf.has(owner),
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});
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},
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resolveConfigurationPath(reference) {
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return resolveConfigurationPathInternal(configurationsDir, reference);
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},
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readConfiguration(reference) {
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return readConfigurationInternal(configurationsDir, reference);
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},
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readConfigurations(references) {
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return readConfigurationsInternal(configurationsDir, references);
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},
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};
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}
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