import { Request as ExpressRequest, Response as ExpressResponse, NextFunction as ExpressNextFunction } from 'express';
import { IncomingHttpHeaders } from 'http';
import { SchemaObject } from 'openapi3-ts';
import { z } from 'zod';
import { PathVariables } from './parse-path';
export type ZodTypeWithMeta = z.ZodType & {
    metaOpenApi?: SchemaObject | SchemaObject[];
};
export type ZodHeaderValue = z.ZodString | z.ZodOptional<z.ZodString>;
export type HeadersAnySchema = Record<string, ZodHeaderValue>;
export type ParsedHeaders<H extends HeadersAnySchema> = {
    [K in keyof H]: z.infer<H[K]>;
};
export type ExpressoRequest<P extends Record<string, string>, Res, Req, H extends HeadersAnySchema> = ExpressRequest<P, Res, Req> & {
    headers?: IncomingHttpHeaders & ParsedHeaders<H>;
};
export type HTTPMethod = 'get' | 'put' | 'post' | 'delete';
export type EndpointProps<Path extends string, I extends z.ZodType, O extends z.ZodType, H extends HeadersAnySchema> = {
    path: Path;
    input?: I;
    output?: O;
    headers?: H;
    operationId?: string;
    deprecated?: boolean;
};
export type EndpointHandler<Path extends string, I extends z.ZodType, O extends z.ZodType, H extends HeadersAnySchema> = (req: ExpressoRequest<PathVariables<Path>, z.infer<O>, z.infer<I>, H>, res: ExpressResponse<z.infer<O>>, next: ExpressNextFunction) => Promise<void>;
export type Endpoint<Path extends string, I extends ZodTypeWithMeta, O extends ZodTypeWithMeta, H extends HeadersAnySchema, M extends HTTPMethod> = EndpointProps<Path, I, O, H> & {
    method: M;
    handler: EndpointHandler<Path, I, O, H>;
};
export type AnyEndpoint = Endpoint<string, ZodTypeWithMeta, ZodTypeWithMeta, HeadersAnySchema, HTTPMethod>;