import { BatchingOptions, FetchAPI, LogLevel, YogaInitialContext, YogaLogger, YogaMaskedErrorOpts, Plugin as YogaPlugin } from 'graphql-yoga';
import { GraphiQLOptionsOrFactory } from 'graphql-yoga/typings/plugins/use-graphiql';
import { Plugin as EnvelopPlugin } from '@envelop/core';
import { FusiongraphPlugin, Transport, 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';
import { UnifiedGraphConfig } from './handleUnifiedGraphConfig';
export { UnifiedGraphConfig };
export type MeshServeConfig<TContext extends Record<string, any> = Record<string, any>> = MeshServeConfigWithFusiongraph<TContext> | MeshServeConfigWithSupergraph<TContext> | MeshServeConfigWithProxy<TContext>;
export interface MeshServeConfigContext {
    fetch: MeshFetch;
    logger: Logger;
    cwd: string;
    pubsub?: MeshPubSub;
    cache?: KeyValueCache;
}
export interface MeshServeContext extends MeshServeConfigContext {
    /**
     * Environment agnostic HTTP headers provided with the request.
     */
    headers: Record<string, string>;
    /**
     * Runtime context available within WebSocket connections.
     */
    connectionParams: Record<string, string>;
}
export type MeshServePlugin<TPluginContext extends Record<string, any> = Record<string, any>, TContext extends Record<string, any> = Record<string, any>> = YogaPlugin<Partial<TPluginContext> & MeshServeContext & TContext> & FusiongraphPlugin & {
    onFetch?: OnFetchHook<Partial<TPluginContext> & YogaInitialContext & MeshServeContext & TContext>;
};
interface MeshServeConfigWithFusiongraph<TContext> extends MeshServeConfigWithoutSource<TContext> {
    /**
     * Path to the GraphQL Fusion unified schema.
     */
    fusiongraph: UnifiedGraphConfig;
    /**
     * Polling interval in milliseconds.
     */
    polling?: number;
    /**
     * Additional GraphQL schema resolvers.
     */
    additionalResolvers?: IResolvers<unknown, MeshServeContext & TContext>;
    /**
     * Implement custom executors for transports.
     */
    transports?: TransportsOption;
}
interface MeshServeConfigWithSupergraph<TContext> extends MeshServeConfigWithoutSource<TContext> {
    /**
     * Path to the Apollo Federation unified schema.
     */
    supergraph: UnifiedGraphConfig;
    /**
     * Polling interval in milliseconds.
     */
    polling?: number;
    /**
     * Additional GraphQL schema resolvers.
     */
    additionalResolvers?: IResolvers<unknown, MeshServeContext & TContext>;
    /**
     * Implement custom executors for transports.
     */
    transports?: TransportsOption;
}
export interface MeshServeConfigWithProxy<TContext> extends MeshServeConfigWithoutSource<TContext> {
    /**
     * HTTP executor to proxy all incoming requests to another HTTP endpoint.
     */
    proxy: HTTPExecutorOptions;
    transport?: Transport<'http'> | Promise<Transport<'http'>> | (() => Transport<'http'> | Promise<Transport<'http'>>);
}
interface MeshServeConfigWithoutSource<TContext extends Record<string, any>> {
    /**
     * Mesh plugins that are compatible with GraphQL Yoga, envelop and Mesh.
     */
    plugins?(context: MeshServeConfigContext): (EnvelopPlugin | EnvelopPlugin<MeshServeContext> | EnvelopPlugin<MeshServeContext & TContext> | YogaPlugin | YogaPlugin<MeshServeContext> | YogaPlugin<MeshServeContext & TContext> | MeshServePlugin | MeshServePlugin<unknown, MeshServeContext> | MeshServePlugin<unknown, MeshServeContext & TContext>)[];
    /**
     * Enable, disable or configure CORS.
     */
    cors?: CORSPluginOptions<unknown>;
    /**
     * Show, hide or configure GraphiQL.
     */
    graphiql?: GraphiQLOptionsOrFactory<unknown>;
    /**
     * Enable and define a limit for [Request Batching](https://github.com/graphql/graphql-over-http/blob/main/rfcs/Batching.md).
     */
    batching?: BatchingOptions;
    /**
     * WHATWG compatible Fetch implementation.
     */
    fetchAPI?: Partial<FetchAPI>;
    /**
     * Enable, disable or implement a custom logger for logging.
     *
     * @default true
     */
    logging?: boolean | YogaLogger | LogLevel | undefined;
    /**
     * Endpoint of the GraphQL API.
     */
    graphqlEndpoint?: string;
    /**
     * Configure error masking for more control over the exposed errors.
     *
     * Throwing `EnvelopError` or `GraphQLError`s within your GraphQL resolvers exposes the full error to the client through a well-formatted GraphQL response.
     *
     * @see https://the-guild.dev/graphql/yoga-server/docs/features/error-masking
     *
     * @default true
     */
    maskedErrors?: boolean | Partial<YogaMaskedErrorOpts>;
    cache?: KeyValueCache;
    pubsub?: MeshPubSub;
}