import { KeyedMutator, SWRHook, SWRConfiguration } from 'swr';
import { FetcherResult, FetcherOptions, AuthTokenHeader } from './fetcher.cjs';
import './MatsuriError.cjs';

type SWRKey = Parameters<SWRHook>[0];
interface UseFetchState<T, U = Record<string, unknown>> extends FetcherResult<T, U> {
    refetch: KeyedMutator<T>;
    isLoading: boolean;
    isValidating: boolean;
}
interface UseFetchStateForSuspense<T, U = Record<string, unknown>> extends UseFetchState<T, U> {
    data: T;
}
interface UseFetchKey {
    url: string;
    token: string | undefined;
    body: RequestInit["body"] | undefined;
    dependencies: SWRKey | undefined;
}
interface UseFetchOptions<T> extends Omit<FetcherOptions, "fetch"> {
    /**
     * keyの型を自動で反映させたければジェネリクスなどを利用してoptions.keyの型を持ってくる必要があるが、
     * fetchを上書きしたいケースがそこまであるとは思えないため、fetchの引数の型を緩く指定している。
     */
    fetch?: (args: UseFetchKey) => Promise<T>;
    swrConfig?: Partial<SWRConfiguration> & {
        fallbackData?: never;
        suspense?: false;
    };
    authTokenHeader?: AuthTokenHeader;
    /**
     * 依存関係の変更を検知して再フェッチを行いたい場合に指定する。
     */
    dependencies?: SWRKey;
}
interface UseFetchOptionsWithSuspense<T> extends Omit<UseFetchOptions<T>, "swrConfig"> {
    swrConfig: Partial<SWRConfiguration> & ({
        fallbackData: unknown;
    } | {
        suspense: true;
        fallbackData?: unknown;
    });
}
interface UseFetch {
    <T, U = Record<string, unknown>>(url: string | null, options?: UseFetchOptions<T>): UseFetchState<T, U>;
    <T, U = Record<string, unknown>>(url: string | null, options?: UseFetchOptionsWithSuspense<T>): UseFetchStateForSuspense<T, U>;
}
declare const useFetch: UseFetch;
interface UseAuthFetch {
    <T, U = Record<string, unknown>>(token: string, url: string | null, options?: UseFetchOptions<T>): UseFetchState<T, U>;
    <T, U = Record<string, unknown>>(token: string, url: string | null, options?: UseFetchOptionsWithSuspense<T>): UseFetchStateForSuspense<T, U>;
}
declare const useAuthFetch: UseAuthFetch;
declare const useAuthBearerFetch: UseAuthFetch;

export { type UseFetchState, type UseFetchStateForSuspense, useAuthBearerFetch, useAuthFetch, useFetch };