/**
 * Request Context Types
 *
 * Stage-based context metadata for request typing.
 *
 * @module
 */
import type { RequestFilters } from './filters.js';
import type { CollectionName } from './graph.js';
import type { InferResponseType } from './response-routes.js';
import type { FilterKeyForStage, NavigationMethodNamesForStage, OutValueForStage, RouteStage } from './schema.js';
type ResourceStage = Extract<RouteStage, 'game' | 'league' | 'team' | 'player' | 'transaction'>;
type StageTerminalSegment<TStage extends RouteStage> = TStage extends `${string}.${infer TLast}` ? TLast : TStage;
type StageLastSegment<TStage extends RouteStage> = TStage extends 'root' ? 'none' : TStage extends ResourceStage ? 'resource' : StageTerminalSegment<TStage> extends CollectionName ? 'collection' : 'subResource';
export interface BaseRequestContext<TStage extends RouteStage = RouteStage, TSelectedOut extends OutValueForStage<TStage> = never> {
    stage: TStage;
    selectedOut: TSelectedOut[];
    pathSegments: string[];
    filters: RequestFilters;
    method: 'GET' | 'POST' | 'PUT' | 'DELETE';
}
export type RootRequestContext = BaseRequestContext<'root'> & {
    hasResource: false;
    lastSegment: 'none';
};
export type StageRequestContext<TStage extends Exclude<RouteStage, 'root'> = Exclude<RouteStage, 'root'>, TSelectedOut extends OutValueForStage<TStage> = never> = BaseRequestContext<TStage, TSelectedOut> & {
    hasResource: true;
    lastSegment: StageLastSegment<TStage>;
};
export type RequestContext<TStage extends RouteStage = RouteStage, TSelectedOut extends OutValueForStage<TStage> = never> = TStage extends 'root' ? RootRequestContext : StageRequestContext<Exclude<TStage, 'root'>, TSelectedOut>;
export type FilterKeysForContext<T extends RequestContext> = FilterKeyForStage<T['stage']>;
type SelectedOutForContext<T extends RequestContext> = T extends RequestContext<infer TStage, infer TSelectedOut> ? Extract<TSelectedOut, OutValueForStage<TStage>> : never;
export type ResponseTypeForContext<T extends RequestContext> = InferResponseType<T['stage'], SelectedOutForContext<T>>;
export type CanAddCollection<T extends RequestContext> = Extract<NavigationMethodNamesForStage<T['stage']>, CollectionName> extends never ? false : true;
export type CanAddSubResource<T extends RequestContext> = OutValueForStage<T['stage']> extends never ? false : true;
export type CanExecute<T extends RequestContext> = T['stage'] extends 'root' ? false : true;
export type LastSegmentType<T extends RequestContext> = T['lastSegment'];
export {};
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