import { Location } from "../router/history.js";
import { DataStrategyResult, MiddlewareNextFunction } from "../router/utils.js";
import { LinkDescriptor } from "../router/links.js";
import { Func, Pretty } from "./utils.js";
import { RouteModule } from "./route-module.js";
import { ClientDataFunctionArgs, GetLoaderData, ServerDataFrom, ServerDataFunctionArgs } from "./route-data.js";
import { MetaDescriptor } from "../dom/ssr/routeModules.js";

//#region lib/types/route-module-annotations.d.ts
type MaybePromise<T> = T | Promise<T>;
type Props = {
  params: unknown;
  loaderData: unknown;
  actionData: unknown;
};
type RouteInfo = Props & {
  module: RouteModule;
  matches: Array<MatchInfo>;
};
type MatchInfo = {
  id: string;
  module: RouteModule;
};
type MetaMatch<T extends MatchInfo> = Pretty<{
  id: T["id"];
  params: Record<string, string | undefined>;
  pathname: string;
  meta: MetaDescriptor[];
  loaderData: GetLoaderData<T["module"]>;
  handle?: unknown;
  error?: unknown;
}>;
type MetaMatches<T extends Array<MatchInfo>> = T extends [infer F extends MatchInfo, ...infer R extends Array<MatchInfo>] ? [MetaMatch<F>, ...MetaMatches<R>] : Array<MetaMatch<MatchInfo> | undefined>;
type HasErrorBoundary<T extends RouteInfo> = T["module"] extends {
  ErrorBoundary: Func;
} ? true : false;
type CreateMetaArgs<T extends RouteInfo> = {
  /** This is the current router `Location` object. This is useful for generating tags for routes at specific paths or query parameters. */location: Location; /** {@link https://reactrouter.com/start/framework/routing#dynamic-segments Dynamic route params} for the current route. */
  params: T["params"]; /** The return value for this route's server loader function */
  loaderData: T["loaderData"] | (HasErrorBoundary<T> extends true ? undefined : never); /** Thrown errors that trigger error boundaries will be passed to the meta function. This is useful for generating metadata for error pages. */
  error?: unknown; /** An array of the current {@link https://api.reactrouter.com/v7/interfaces/react-router.UIMatch.html route matches}, including parent route matches. */
  matches: MetaMatches<T["matches"]>;
};
type MetaDescriptors = MetaDescriptor[];
type HeadersArgs = {
  loaderHeaders: Headers;
  parentHeaders: Headers;
  actionHeaders: Headers;
  errorHeaders: Headers | undefined;
};
type CreateServerMiddlewareFunction<T extends RouteInfo> = (args: ServerDataFunctionArgs<T["params"]>, next: MiddlewareNextFunction<Response>) => MaybePromise<Response | void>;
type CreateClientMiddlewareFunction<T extends RouteInfo> = (args: ClientDataFunctionArgs<T["params"]>, next: MiddlewareNextFunction<Record<string, DataStrategyResult>>) => MaybePromise<Record<string, DataStrategyResult> | void>;
type CreateServerLoaderArgs<T extends RouteInfo> = ServerDataFunctionArgs<T["params"]>;
type CreateClientLoaderArgs<T extends RouteInfo> = ClientDataFunctionArgs<T["params"]> & {
  /** This is an asynchronous function to get the data from the server loader for this route. On client-side navigations, this will make a {@link https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API fetch} call to the React Router server loader. If you opt-into running your clientLoader on hydration, then this function will return the data that was already loaded on the server (via Promise.resolve). */serverLoader: () => Promise<ServerDataFrom<T["module"]["loader"]>>;
};
type CreateServerActionArgs<T extends RouteInfo> = ServerDataFunctionArgs<T["params"]>;
type CreateClientActionArgs<T extends RouteInfo> = ClientDataFunctionArgs<T["params"]> & {
  /** This is an asynchronous function that makes the {@link https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API fetch} call to the React Router server action for this route. */serverAction: () => Promise<ServerDataFrom<T["module"]["action"]>>;
};
type CreateHydrateFallbackProps<T extends RouteInfo, RSCEnabled extends boolean> = {
  params: T["params"];
} & (RSCEnabled extends true ? {
  /** The data returned from the `loader` */loaderData?: ServerDataFrom<T["module"]["loader"]>; /** The data returned from the `action` following an action submission. */
  actionData?: ServerDataFrom<T["module"]["action"]>;
} : {
  /** The data returned from the `loader` or `clientLoader` */loaderData?: T["loaderData"]; /** The data returned from the `action` or `clientAction` following an action submission. */
  actionData?: T["actionData"];
});
type Match<T extends MatchInfo> = Pretty<{
  id: T["id"];
  params: Record<string, string | undefined>;
  pathname: string;
  loaderData: GetLoaderData<T["module"]>;
  handle: unknown;
}>;
type Matches<T extends Array<MatchInfo>> = T extends [infer F extends MatchInfo, ...infer R extends Array<MatchInfo>] ? [Match<F>, ...Matches<R>] : Array<Match<MatchInfo> | undefined>;
type CreateComponentProps<T extends RouteInfo, RSCEnabled extends boolean> = {
  /**
   * {@link https://reactrouter.com/start/framework/routing#dynamic-segments Dynamic route params} for the current route.
   * @example
   * // app/routes.ts
   * route("teams/:teamId", "./team.tsx"),
   *
   * // app/team.tsx
   * export default function Component({
   *   params,
   * }: Route.ComponentProps) {
   *   params.teamId;
   *   //        ^ string
   * }
   **/
  params: T["params"]; /** An array of the current {@link https://api.reactrouter.com/v7/interfaces/react-router.UIMatch.html route matches}, including parent route matches. */
  matches: Matches<T["matches"]>;
} & (RSCEnabled extends true ? {
  /** The data returned from the `loader` */loaderData: ServerDataFrom<T["module"]["loader"]>; /** The data returned from the `action` following an action submission. */
  actionData?: ServerDataFrom<T["module"]["action"]>;
} : {
  /** The data returned from the `loader` or `clientLoader` */loaderData: T["loaderData"]; /** The data returned from the `action` or `clientAction` following an action submission. */
  actionData?: T["actionData"];
});
type CreateErrorBoundaryProps<T extends RouteInfo, RSCEnabled extends boolean> = {
  /**
   * {@link https://reactrouter.com/start/framework/routing#dynamic-segments Dynamic route params} for the current route.
   * @example
   * // app/routes.ts
   * route("teams/:teamId", "./team.tsx"),
   *
   * // app/team.tsx
   * export function ErrorBoundary({
   *   params,
   * }: Route.ErrorBoundaryProps) {
   *   params.teamId;
   *   //        ^ string
   * }
   **/
  params: T["params"];
  error: unknown;
} & (RSCEnabled extends true ? {
  /** The data returned from the `loader` */loaderData?: ServerDataFrom<T["module"]["loader"]>; /** The data returned from the `action` following an action submission. */
  actionData?: ServerDataFrom<T["module"]["action"]>;
} : {
  /** The data returned from the `loader` or `clientLoader` */loaderData?: T["loaderData"]; /** The data returned from the `action` or `clientAction` following an action submission. */
  actionData?: T["actionData"];
});
type GetAnnotations<Info extends RouteInfo> = {
  LinkDescriptors: LinkDescriptor[];
  LinksFunction: () => LinkDescriptor[];
  MetaArgs: CreateMetaArgs<Info>;
  MetaDescriptors: MetaDescriptors;
  MetaFunction: (args: CreateMetaArgs<Info>) => MetaDescriptors;
  HeadersArgs: HeadersArgs;
  HeadersFunction: (args: HeadersArgs) => Headers | HeadersInit;
  MiddlewareFunction: CreateServerMiddlewareFunction<Info>;
  ClientMiddlewareFunction: CreateClientMiddlewareFunction<Info>;
  LoaderArgs: CreateServerLoaderArgs<Info>;
  ClientLoaderArgs: CreateClientLoaderArgs<Info>;
  ActionArgs: CreateServerActionArgs<Info>;
  ClientActionArgs: CreateClientActionArgs<Info>;
  HydrateFallbackProps: CreateHydrateFallbackProps<Info, false>;
  ServerHydrateFallbackProps: CreateHydrateFallbackProps<Info, true>;
  ComponentProps: CreateComponentProps<Info, false>;
  ServerComponentProps: CreateComponentProps<Info, true>;
  ErrorBoundaryProps: CreateErrorBoundaryProps<Info, false>;
  ServerErrorBoundaryProps: CreateErrorBoundaryProps<Info, true>;
};
//#endregion
export { GetAnnotations };