import { DocumentNode, GraphQLSchema } from 'graphql';
import { BatchingOptions, FetchAPI, Plugin, YogaServerOptions } from 'graphql-yoga';
import { GraphiQLOptionsOrFactory } from 'graphql-yoga/typings/plugins/use-graphiql';
import { FusiongraphPlugin, TransportsOption } from '@graphql-mesh/fusion-runtime';
import { KeyValueCache, Logger, MeshFetch, MeshPubSub, OnFetchHook } from '@graphql-mesh/types';
import { HTTPExecutorOptions } from '@graphql-tools/executor-http';
import { IResolvers } from '@graphql-tools/utils';
import { CORSPluginOptions } from '@whatwg-node/server';
export type MeshHTTPPlugin<TServerContext, TUserContext> = Plugin<{}, TServerContext, TUserContext> & FusiongraphPlugin & {
    onFetch?: OnFetchHook<TServerContext & TUserContext>;
};
export type UnifiedGraphConfig = GraphQLSchema | DocumentNode | string | (() => UnifiedGraphConfig) | Promise<UnifiedGraphConfig>;
export type MeshHTTPHandlerConfiguration<TServerContext, TUserContext> = MeshHTTPHandlerConfigurationWithSourceInput<TServerContext, TUserContext> | MeshHTTPHandlerConfigurationWithCache<TServerContext, TUserContext> | MeshHTTPHandlerConfigurationWithPubSub<TServerContext, TUserContext>;
type MeshHTTPHandlerConfigurationWithCache<TServerContext, TUserContext> = Omit<MeshHTTPHandlerConfigurationWithSourceInput<TServerContext, TUserContext>, 'plugins'> & {
    cache: KeyValueCache;
    plugins?(serveContext: MeshServeContext & {
        cache: KeyValueCache;
    }): MeshHTTPPlugin<TServerContext, TUserContext>[];
};
type MeshHTTPHandlerConfigurationWithPubSub<TServerContext, TUserContext> = Omit<MeshHTTPHandlerConfigurationWithSourceInput<TServerContext, TUserContext>, 'plugins'> & {
    pubsub: MeshPubSub;
    plugins?(serveContext: MeshServeContext & {
        pubsub: MeshPubSub;
    }): MeshHTTPPlugin<TServerContext, TUserContext>[];
};
type MeshHTTPHandlerConfigurationWithSourceInput<TServerContext, TUserContext> = MeshHTTPHandlerConfigurationWithFusiongraph<TServerContext, TUserContext> | MeshHTTPHandlerConfigurationWithSupergraph<TServerContext, TUserContext> | MeshHTTPHandlerConfigurationWithHttpEndpoint<TServerContext, TUserContext>;
interface MeshHTTPHandlerConfigurationWithFusiongraph<TServerContext, TUserContext> extends MeshHTTPHandlerBaseConfiguration<TServerContext, TUserContext> {
    /**
     * Path to the GraphQL Fusion unified schema.
     *
     * @default ./fusiongraph.graphql
     */
    fusiongraph?: UnifiedGraphConfig;
}
interface MeshHTTPHandlerConfigurationWithSupergraph<TServerContext, TUserContext> extends MeshHTTPHandlerBaseConfiguration<TServerContext, TUserContext> {
    /**
     * Path to the Apollo Federation unified schema.
     *
     * @default ./supergraph.graphql
     */
    supergraph?: UnifiedGraphConfig;
}
interface MeshHTTPHandlerConfigurationWithHttpEndpoint<TServerContext, TUserContext> extends MeshHTTPHandlerBaseConfiguration<TServerContext, TUserContext> {
    http: HTTPExecutorOptions;
}
interface MeshHTTPHandlerBaseConfiguration<TServerContext, TUserContext> {
    /**
     * Headers to be sent to the Supergraph Schema endpoint
     */
    schemaHeaders?: Record<string, string>;
    /**
     * Polling interval in milliseconds
     */
    polling?: number;
    /**
     * Plugins
     */
    plugins?(serveContext: MeshServeContext): MeshHTTPPlugin<TServerContext, TUserContext>[];
    /**
     * Configuration for CORS
     */
    cors?: CORSPluginOptions<TServerContext>;
    /**
     * Show GraphiQL
     */
    graphiql?: GraphiQLOptionsOrFactory<TServerContext>;
    /**
     *  Enable and define a limit for [Request Batching](https://github.com/graphql/graphql-over-http/blob/main/rfcs/Batching.md)
     */
    batching?: BatchingOptions;
    /**
     * Imported transports
     */
    transports?: TransportsOption;
    /**
     * WHATWG compatible Fetch implementation
     */
    fetchAPI?: Partial<FetchAPI>;
    /**
     * Logger
     */
    logging?: YogaServerOptions<TServerContext, TUserContext>['logging'] | Logger;
    /**
     * Additional Resolvers
     */
    additionalResolvers?: IResolvers<unknown, TServerContext & TUserContext>;
    /**
     * Endpoint
     */
    graphqlEndpoint?: string;
    /**
     * Masked errors
     */
    maskedErrors?: YogaServerOptions<TServerContext, TUserContext>['maskedErrors'];
}
export interface MeshServeContext {
    fetch: MeshFetch;
    logger: Logger;
    cwd: string;
    pubsub?: MeshPubSub;
    cache?: KeyValueCache;
}
export {};