import { InjectionToken, Signal } from '@angular/core';
import { IsActiveMatchOptions, ActivatedRoute } from '@angular/router';
import { NavigationRegisterInput, NavigationState, NavigationItem, NavigationType, NavigationPosition, NavigationDockbarMode, NavigationNormalizedItem, NavigationOrientation, NavigationIconContext, NavigationResolvedRouteContext } from '@ojiepermana/angular-navigation/types';

/** Stable contract consumed by navigation UI, independently of its state implementation. */
interface NavigationAdapter {
    register(input: NavigationRegisterInput, owner?: object): NavigationState;
    unregister(id: string, owner?: object): void;
    state(id: string): Signal<NavigationState | null>;
    currentState(id: string): NavigationState | null;
    data(id: string): Signal<readonly NavigationItem[]>;
    publishData(id: string, data: readonly NavigationItem[], owner?: object): void;
    clearData(id: string, owner?: object): void;
    currentPanelKey(id: string): string | null;
    update(id: string, patch: Partial<NavigationRegisterInput>): NavigationState;
    setType(id: string, type: NavigationType): NavigationState;
    setPosition(id: string, position: NavigationPosition): NavigationState;
    setCollapsed(id: string, collapsed: boolean): NavigationState;
    toggleCollapsed(id: string): NavigationState;
    setDockbarMode(id: string, mode: NavigationDockbarMode): NavigationState;
    isRouterItem(item: NavigationNormalizedItem): boolean;
    hrefFor(item: NavigationNormalizedItem): string | null;
    relFor(item: NavigationNormalizedItem): string | null;
    routerLinkActiveOptions(item: NavigationNormalizedItem): IsActiveMatchOptions;
    itemRole(orientation: NavigationOrientation, level: number): 'menuitem' | null;
    compactLabel(item: NavigationNormalizedItem, compact: boolean): string | null;
    titleFor(item: NavigationNormalizedItem, compact: boolean): string | null;
    compactFallback(item: NavigationNormalizedItem): string;
    iconContext(item: NavigationNormalizedItem, active: boolean, level: number, orientation: NavigationOrientation): NavigationIconContext;
    isItemActive(item: NavigationNormalizedItem, activeIds: ReadonlySet<string>, explicitActiveUrl: string | null): boolean;
    isPanelOpen(item: NavigationNormalizedItem): boolean;
    isPanelOpen(navId: string, item: NavigationNormalizedItem): boolean;
    openPanel(item: NavigationNormalizedItem): void;
    openPanel(navId: string, item: NavigationNormalizedItem): void;
    togglePanel(item: NavigationNormalizedItem): void;
    togglePanel(navId: string, item: NavigationNormalizedItem): void;
    closePanel(id?: string): void;
    dockbarGroups(items: readonly NavigationNormalizedItem[]): readonly NavigationNormalizedItem[];
    resolveDockbarGroup(id: string, items: readonly NavigationNormalizedItem[], mode: NavigationDockbarMode, activeIds: ReadonlySet<string>, activeUrl: string | null): NavigationNormalizedItem | null;
    isDrawerOpen(id: string): boolean;
    openDrawer(id: string): void;
    toggleDrawer(id: string): void;
    closeDrawer(id: string): void;
}
/**
 * Kontrak terpisah untuk Router context agar custom `NavigationAdapter` lama
 * tidak perlu mengimplementasikan method baru.
 */
interface NavigationRouteContextAdapter {
    readonly routeContext: Signal<NavigationResolvedRouteContext>;
    isItemRouteActive(item: NavigationNormalizedItem, explicitActiveUrl: string | null, relativeTo?: ActivatedRoute | null): boolean;
}
/** Override this token to supply a custom state/persistence adapter. */
declare const NAVIGATION_ADAPTER: InjectionToken<NavigationAdapter>;
/** Override token ini untuk memasok route context dari router/state host lain. */
declare const NAVIGATION_ROUTE_CONTEXT_ADAPTER: InjectionToken<NavigationRouteContextAdapter>;

export { NAVIGATION_ADAPTER, NAVIGATION_ROUTE_CONTEXT_ADAPTER };
export type { NavigationAdapter, NavigationRouteContextAdapter };