import type { DocumentNode, GraphQLResolveInfo, GraphQLSchema, SelectionSetNode } from 'graphql';
import type { PromiseOrValue } from 'graphql/jsutils/PromiseOrValue.cjs';
import type { Plugin } from '@envelop/core';
import type { BatchDelegateOptions } from '@graphql-tools/batch-delegate';
import type { CreateProxyingResolverFn, IDelegateToSchemaOptions, MergedTypeConfig, SubschemaConfig, Transform } from '@graphql-tools/delegate';
import type { ExecutionRequest, Executor, IResolvers, MaybePromise } from '@graphql-tools/utils';
import type { TypedDocumentNode } from '@graphql-typed-document-node/core';
import * as YamlConfig from './config.cjs';
import type { MeshPubSub } from './pubsub.cjs';
import type { IMeshStore } from './store.cjs';
export * from './pubsub.cjs';
export { jsonSchema } from './config-schema.cjs';
export { YamlConfig };
export type MeshSource = {
    schema: GraphQLSchema;
    executor?: Executor;
    contextVariables?: Record<string, string>;
    batch?: boolean;
    merge?: Record<string, MergedTypeConfig>;
};
export interface KeyValueCacheSetOptions {
    /**
     * Specified in **seconds**, the time-to-live (TTL) value limits the lifespan
     * of the data being stored in the cache.
     */
    ttl?: number | null;
}
export interface KeyValueCache<V = any> {
    get(key: string): MaybePromise<V | undefined>;
    set(key: string, value: V, options?: KeyValueCacheSetOptions): MaybePromise<void>;
    delete(key: string): MaybePromise<boolean>;
    getKeysByPrefix(prefix: string): MaybePromise<string[]>;
}
export type MeshHandlerOptions<THandlerConfig> = {
    name: string;
    config: THandlerConfig;
    baseDir: string;
    cache: KeyValueCache;
    pubsub: MeshPubSub;
    store: IMeshStore;
    logger: Logger;
    importFn: ImportFn;
};
export type GetMeshSourcePayload = {
    fetchFn: MeshFetch;
};
export interface MeshHandler {
    getMeshSource: (payload: GetMeshSourcePayload) => Promise<MeshSource>;
}
export interface MeshHandlerLibrary<TConfig = any> {
    new (options: MeshHandlerOptions<TConfig>): MeshHandler;
}
export interface MeshTransformOptions<Config = any> {
    apiName: string;
    config: Config;
    baseDir: string;
    cache: KeyValueCache;
    pubsub: MeshPubSub;
    importFn: ImportFn;
    logger: Logger;
}
export interface MeshTransformLibrary<Config = any> {
    new (options: MeshTransformOptions<Config>): MeshTransform;
}
export interface MeshTransform<T = any> extends Transform<T> {
    noWrap?: boolean;
}
export type Maybe<T> = null | undefined | T;
export interface MeshMergerOptions {
    cache: KeyValueCache;
    pubsub: MeshPubSub;
    logger: Logger;
    store: IMeshStore;
}
export interface MeshMergerLibrary {
    new (options: MeshMergerOptions): MeshMerger;
}
export interface MeshMergerContext {
    rawSources: RawSourceOutput[];
    typeDefs?: DocumentNode[];
    resolvers?: IResolvers | IResolvers[];
}
export interface MeshMerger {
    name: string;
    getUnifiedSchema(mergerContext: MeshMergerContext): SubschemaConfig | Promise<SubschemaConfig>;
}
export type MeshPluginOptions<TConfig> = TConfig & {
    logger: Logger;
    cache: KeyValueCache;
    pubsub: MeshPubSub;
    baseDir: string;
    importFn: ImportFn;
};
export type MeshPluginFactory<TConfig> = (options: MeshPluginOptions<TConfig>) => Plugin;
export type OnDelegateHookPayload<TContext> = Partial<BatchDelegateOptions<TContext>> & Partial<IDelegateToSchemaOptions<TContext>> & {
    sourceName: string;
    typeName: string;
    fieldName: string;
};
export type OnDelegateHook<TContext> = (payload: OnDelegateHookPayload<TContext>) => PromiseOrValue<OnDelegateHookDone | void>;
export type OnDelegateHookDonePayload = {
    result: any;
    setResult: (result: any) => void;
};
export type OnDelegateHookDone = (payload: OnDelegateHookDonePayload) => PromiseOrValue<void>;
export type MeshPlugin<TContext> = Plugin<TContext> & {
    onFetch?: OnFetchHook<TContext>;
    onDelegate?: OnDelegateHook<TContext>;
    [Symbol.asyncDispose]?: () => PromiseLike<void> | void;
};
export type MeshFetch = (url: string, options?: MeshFetchRequestInit, context?: any, info?: GraphQLResolveInfo) => MaybePromise<Response>;
export type MeshFetchRequestInit = Omit<RequestInit, 'headers'> & {
    headers?: Record<string, string>;
};
export interface OnFetchHookPayload<TContext> {
    url: string;
    setURL(url: URL | string): void;
    options: MeshFetchRequestInit;
    setOptions(options: MeshFetchRequestInit): void;
    context: TContext;
    info: GraphQLResolveInfo;
    fetchFn: MeshFetch;
    setFetchFn: (fetchFn: MeshFetch) => void;
    executionRequest?: ExecutionRequest;
    logger: Logger;
    requestId?: string;
    endResponse: (response$: MaybePromise<Response>) => void;
}
export interface OnFetchHookDonePayload {
    response: Response;
    setResponse: (response: Response) => void;
}
export type OnFetchHookDone = (payload: OnFetchHookDonePayload) => MaybePromise<void>;
export type OnFetchHook<TContext> = (payload: OnFetchHookPayload<TContext>) => MaybePromise<void | OnFetchHookDone>;
export type RawSourceOutput = {
    name: string;
    schema: GraphQLSchema;
    executor?: Executor;
    transforms: MeshTransform[];
    contextVariables: Record<string, string>;
    handler: MeshHandler;
    batch: boolean;
    merge?: Record<string, MergedTypeConfig>;
    createProxyingResolver: CreateProxyingResolverFn<any>;
};
export type GraphQLOperation<TData, TVariables> = TypedDocumentNode<TData, TVariables> | string;
export type ImportFn = <T = any>(moduleId: string, noCache?: boolean) => Promise<T>;
export type LazyLoggerMessage = (() => any | any[]) | any;
export type Logger = {
    name?: string;
    log: (...args: any[]) => void;
    warn: (...args: any[]) => void;
    info: (...args: any[]) => void;
    error: (...args: any[]) => void;
    debug: (...lazyArgs: LazyLoggerMessage[]) => void;
    child: (name: string | Record<string, string | number>) => Logger;
    addPrefix?: (prefix: string | Record<string, string | number>) => Logger;
};
export type SelectionSetParam = SelectionSetNode | DocumentNode | string | SelectionSetNode;
export type SelectionSetParamOrFactory = ((subtree: SelectionSetNode) => SelectionSetParam) | SelectionSetParam;
export type InContextSdkMethodBatchingParams<TDefaultReturn, TArgs, TKey, TReturn> = {
    key: TKey;
    argsFromKeys: (keys: TKey[]) => TArgs;
    valuesFromResults?: (results: TDefaultReturn, keys: TKey[]) => TReturn | TReturn[];
};
export type InContextSdkMethodRegularParams<TDefaultReturn, TArgs, TReturn> = {
    args?: TArgs;
    valuesFromResults?: (results: TDefaultReturn) => TReturn | TReturn[];
};
export type InContextSdkMethodCustomSelectionSetParams = {
    selectionSet: SelectionSetParamOrFactory;
    info?: GraphQLResolveInfo;
};
export type InContextSdkMethodInfoParams = {
    info: GraphQLResolveInfo;
};
export type InContextSdkMethodAutoSelectionSetParams = {
    autoSelectionSetWithDepth: number;
    info?: GraphQLResolveInfo;
};
export type InContextSdkMethodParams<TDefaultReturn, TArgs, TContext, TKey, TReturn> = {
    root?: any;
    context: TContext;
} & (InContextSdkMethodCustomSelectionSetParams | InContextSdkMethodInfoParams | InContextSdkMethodAutoSelectionSetParams) & (InContextSdkMethodBatchingParams<TDefaultReturn, TArgs, TKey, TReturn> | InContextSdkMethodRegularParams<TDefaultReturn, TArgs, TReturn>);
export type InContextSdkMethod<TDefaultReturn = any, TArgs = any, TContext = any> = <TKey, TReturn = TDefaultReturn>(params: InContextSdkMethodParams<TDefaultReturn, TArgs, TContext, TKey, TReturn>) => Promise<TReturn>;