import * as hono from 'hono';
import { Context } from 'hono';
import { Env, Input } from 'hono/types';

interface Geo {
    reqId?: string;
    ip?: string;
    city?: string;
    country?: string;
    countryCode?: string;
    region?: string;
    regionCode?: string;
    latitude?: string;
    longitude?: string;
    continent?: string;
    postalCode?: string;
    metroCode?: string;
    timezone?: string;
    asn?: string;
    idcRegion?: string;
    /** flag emoji */
    flag?: string;
}

interface ExtractorOptions {
}
type GeoExtractorFunc = (headers: Record<string, string>, c: Context, options?: ExtractorOptions) => Geo | null;

declare const extractorFuncsMap: {
    vercel: GeoExtractorFunc;
    cloudflare: GeoExtractorFunc;
    'cloudflare-worker': GeoExtractorFunc;
    netlify: GeoExtractorFunc;
    cloudfront: GeoExtractorFunc;
};
type Extractor = (keyof typeof extractorFuncsMap) | GeoExtractorFunc;

declare module 'hono' {
    interface ContextVariableMap {
        geo: Geo;
    }
}
interface GeoMiddlewareOptions {
    extractors?: Extractor[];
    extractorOption?: ExtractorOptions;
}
declare const GeoMiddleware: <E extends Env = any, P extends string = string, I extends Input = {}>(options?: GeoMiddlewareOptions) => hono.MiddlewareHandler<E, P, I>;
declare const getGeo: (c: Context) => Geo;

export { GeoMiddleware, getGeo };