import type { DocumentTypeDecoration, TypedDocumentNode } from '@graphql-typed-document-node/core';
import type { GraphQLError } from 'graphql';
import type { DocumentNode } from 'graphql';
import type { MaybeLazy, MaybePromise, RemoveIndex } from '../../lib/prelude.js';
import type { ClientError } from '../classes/ClientError.js';
export type Fetch = typeof fetch;
/**
 * 'None' will throw whenever the response contains errors
 *
 * 'Ignore' will ignore incoming errors and resolve like no errors occurred
 *
 * 'All' will return both the errors and data
 */
export type ErrorPolicy = 'none' | 'ignore' | 'all';
export interface JsonSerializer {
    stringify: (obj: any) => string;
    parse: (obj: string) => unknown;
}
export interface AdditionalRequestOptions {
    jsonSerializer?: JsonSerializer;
    /**
     * Decide how to handle GraphQLErrors in response
     */
    errorPolicy?: ErrorPolicy;
}
export interface FetchOptions extends RequestInit, AdditionalRequestOptions {
}
export type { GraphQLError };
export type Variables = object;
export type BatchVariables = (Variables | undefined)[];
export interface GraphQLResponse<T = unknown> {
    data?: T;
    errors?: GraphQLError[];
    extensions?: unknown;
    status: number;
    headers: Headers;
    /**
     * The response body text. Useful for debugging non-GraphQL responses
     * (e.g., 401/403 errors that return plain JSON instead of GraphQL).
     */
    body: string;
    [key: string]: unknown;
}
export interface GraphQLRequestContext<V extends Variables = Variables> {
    query: string | string[];
    variables?: V;
}
export type RequestDocument = string | String | DocumentNode;
/**
 * TypedDocumentString is generated by \@graphql-codegen with `documentMode: 'string'`.
 * It's a boxed String with type metadata for result and variables types.
 * @see https://github.com/graffle-js/graffle/issues/1467
 */
export type TypedDocumentString<$Result, $Variables> = String & DocumentTypeDecoration<$Result, $Variables>;
export interface GraphQLClientResponse<Data> {
    status: number;
    headers: Headers;
    /**
     * The response body text. Useful for debugging non-GraphQL responses
     * (e.g., 401/403 errors that return plain JSON instead of GraphQL).
     */
    body: string;
    data: Data;
    extensions?: unknown;
    errors?: GraphQLError[];
}
export type HTTPMethodInput = 'GET' | 'POST' | 'get' | 'post';
export interface RequestConfig extends Omit<RequestInit, 'headers' | 'method'>, AdditionalRequestOptions {
    fetch?: Fetch;
    method?: HTTPMethodInput;
    headers?: MaybeLazy<HeadersInit>;
    requestMiddleware?: RequestMiddleware;
    responseMiddleware?: ResponseMiddleware;
    jsonSerializer?: JsonSerializer;
    excludeOperationName?: boolean;
}
export type RawRequestOptions<V extends Variables = Variables> = {
    query: string;
    requestHeaders?: HeadersInit;
    signal?: RequestInit['signal'];
} & (V extends Record<any, never> ? {
    variables?: V;
} : keyof RemoveIndex<V> extends never ? {
    variables?: V;
} : {
    variables: V;
});
export type RequestOptions<V extends Variables = Variables, T = unknown> = {
    document: RequestDocument | TypedDocumentNode<T, V> | TypedDocumentString<T, V>;
    requestHeaders?: HeadersInit;
    signal?: RequestInit['signal'];
} & (V extends Record<any, never> ? {
    variables?: V;
} : keyof RemoveIndex<V> extends never ? {
    variables?: V;
} : {
    variables: V;
});
export type ResponseMiddleware = (response: GraphQLClientResponse<unknown> | ClientError | Error, request: RequestInitExtended) => MaybePromise<void>;
export type RequestMiddleware<V extends Variables = Variables> = (request: RequestInitExtended<V>) => RequestInitExtended | Promise<RequestInitExtended>;
export type RequestInitExtended<V extends Variables = Variables> = RequestInit & {
    url: string;
    operationName?: string;
    variables?: V;
};
export type VariablesAndRequestHeadersArgs<V extends Variables> = V extends Record<any, never> ? [variables?: V, requestHeaders?: HeadersInit] : keyof RemoveIndex<V> extends never ? [variables?: V, requestHeaders?: HeadersInit] : [variables: V, requestHeaders?: HeadersInit];
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