import type { ConvertToStringified, MapToValues, ResolvedObjectUnion } from "./type-utils.ts";
/** Base type that any api spec should extend. */
export type AnyApiSpec = NonNullable<unknown>;
/** Intersection of HTTP methods that are supported by both OpenAPI-TS and MSW. */
export type HttpMethod = "get" | "put" | "post" | "delete" | "options" | "head" | "patch";
/** Returns a union of all paths that exists in an api spec for a given method. */
export type PathsForMethod<ApiSpec extends AnyApiSpec, Method extends HttpMethod> = {
    [Path in keyof ApiSpec]: ApiSpec[Path] extends Record<Method, unknown> ? Path : never;
}[keyof ApiSpec];
/** Extract the path params of a given path and method from an api spec. */
export type PathParams<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = Method extends keyof ApiSpec[Path] ? ApiSpec[Path][Method] extends {
    parameters: {
        path: any;
    };
} ? ConvertToStringified<ApiSpec[Path][Method]["parameters"]["path"]> : never : never;
/** Extract the query params of a given path and method from an api spec. */
export type QueryParams<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = Method extends keyof ApiSpec[Path] ? ApiSpec[Path][Method] extends {
    parameters: {
        query?: any;
    };
} ? ConvertToStringified<StrictQueryParams<Required<ApiSpec[Path][Method]["parameters"]>["query"]>> : never : never;
/** Ensures that query params are not usable in case no query params are specified (never). */
type StrictQueryParams<Params> = [Params] extends [never] ? NonNullable<unknown> : Params;
/**
 * Extract a request map for a given path and method from an api spec.
 * A request map has the shape of (media-type -> body).
 */
export type RequestMap<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = Method extends keyof ApiSpec[Path] ? ApiSpec[Path][Method] extends {
    requestBody?: any;
} ? undefined extends ApiSpec[Path][Method]["requestBody"] ? Partial<NonNullable<ApiSpec[Path][Method]["requestBody"]>["content"]> : ApiSpec[Path][Method]["requestBody"]["content"] : never : never;
/** Extract the request body of a given path and method from an api spec. */
export type RequestBody<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = MapToValues<RequestMap<ApiSpec, Path, Method>>;
/**
 * Extract a response map for a given path and method from an api spec.
 * A response map has the shape of (status -> media-type -> body).
 */
export type ResponseMap<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = Method extends keyof ApiSpec[Path] ? ApiSpec[Path][Method] extends {
    responses: any;
} ? {
    [Status in keyof ApiSpec[Path][Method]["responses"]]: ConvertContent<ApiSpec[Path][Method]["responses"][Status]>["content"];
} : never : never;
/** Extract the response body of a given path and method from an api spec. */
export type ResponseBody<ApiSpec extends AnyApiSpec, Path extends keyof ApiSpec, Method extends HttpMethod> = MapToValues<ResolvedObjectUnion<MapToValues<ResponseMap<ApiSpec, Path, Method>>>>;
/**
 * OpenAPI-TS generates "no content" with `content?: never`.
 * However, `new Response().body` is `null` and strictly typing no-content in
 * MSW requires `null`. Therefore, this helper ensures that "no-content"
 * can be mapped to null when typing the response body.
 */
type ConvertContent<Content> = Required<Content> extends {
    content: never;
} ? {
    content: {
        "no-content": null;
    };
} : Content extends {
    content: any;
} ? Content : never;
export {};
//# sourceMappingURL=api-spec.d.ts.map