import { OnExecuteHook, OnSubscribeHook, Plugin as EnvelopPlugin, PromiseOrValue } from '@envelop/core';
import { ExecutionResult } from '@graphql-tools/utils';
import { YogaServer } from '../server.cjs';
import { FetchAPI, GraphQLParams, MaybeArray, YogaInitialContext } from '../types.cjs';
export type Plugin<PluginContext extends Record<string, any> = {}, TServerContext extends Record<string, any> = {}, TUserContext = {}> = EnvelopPlugin<YogaInitialContext & PluginContext> & {
    /**
     * onExecute hook that is invoked before the execute function is invoked.
     */
    onExecute?: OnExecuteHook<YogaInitialContext & PluginContext & TUserContext>;
    /**
     * onSubscribe hook that is invoked before the subscribe function is called.
     * Return a OnSubscribeHookResult for hooking into phase after the subscribe function has been called.
     */
    onSubscribe?: OnSubscribeHook<YogaInitialContext & PluginContext & TUserContext>;
} & {
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onYogaInit?: OnYogaInitHook<TServerContext>;
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onRequest?: OnRequestHook<TServerContext>;
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onRequestParse?: OnRequestParseHook<TServerContext>;
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onParams?: OnParamsHook;
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onResultProcess?: OnResultProcess;
    /**
     * Use this hook with your own risk. It is still experimental and may change in the future.
     * @internal
     */
    onResponse?: OnResponseHook<TServerContext>;
};
export type OnYogaInitHook<TServerContext extends Record<string, any>> = (payload: OnYogaInitEventPayload<TServerContext>) => void;
export type OnYogaInitEventPayload<TServerContext extends Record<string, any>> = {
    yoga: YogaServer<TServerContext, any>;
};
export type OnRequestHook<TServerContext> = (payload: OnRequestEventPayload<TServerContext>) => PromiseOrValue<void>;
export interface OnRequestEventPayload<TServerContext> {
    request: Request;
    serverContext: TServerContext | undefined;
    fetchAPI: FetchAPI;
    endResponse(response: Response): void;
    url: URL;
}
export type OnRequestParseHook<TServerContext> = (payload: OnRequestParseEventPayload<TServerContext>) => PromiseOrValue<void | OnRequestParseHookResult>;
export type RequestParser = (request: Request) => PromiseOrValue<GraphQLParams> | PromiseOrValue<GraphQLParams[]>;
export interface OnRequestParseEventPayload<TServerContext> {
    request: Request;
    url: URL;
    requestParser: RequestParser | undefined;
    serverContext: TServerContext;
    setRequestParser: (parser: RequestParser) => void;
}
export type OnRequestParseHookResult = {
    onRequestParseDone?: OnRequestParseDoneHook;
};
export type OnRequestParseDoneHook = (payload: OnRequestParseDoneEventPayload) => PromiseOrValue<void>;
export interface OnRequestParseDoneEventPayload {
    requestParserResult: GraphQLParams | GraphQLParams[];
    setRequestParserResult: (params: GraphQLParams | GraphQLParams[]) => void;
}
export type OnParamsHook = (payload: OnParamsEventPayload) => PromiseOrValue<void>;
export interface OnParamsEventPayload {
    params: GraphQLParams;
    request: Request;
    setParams: (params: GraphQLParams) => void;
    setResult: (result: ExecutionResult) => void;
    fetchAPI: FetchAPI;
}
export type OnResultProcess = (payload: OnResultProcessEventPayload) => PromiseOrValue<void>;
export type ResultProcessorInput = MaybeArray<ExecutionResult> | AsyncIterable<ExecutionResult>;
export type ResultProcessor = (result: ResultProcessorInput, fetchAPI: FetchAPI, acceptedMediaType: string) => PromiseOrValue<Response>;
export interface OnResultProcessEventPayload {
    request: Request;
    result: ResultProcessorInput;
    resultProcessor?: ResultProcessor;
    acceptableMediaTypes: string[];
    setResultProcessor(resultProcessor: ResultProcessor, acceptedMediaType: string): void;
}
export type OnResponseHook<TServerContext> = (payload: OnResponseEventPayload<TServerContext>) => PromiseOrValue<void>;
export interface OnResponseEventPayload<TServerContext> {
    request: Request;
    serverContext: TServerContext | undefined;
    response: Response;
}