import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ErrorService } from '@myrmidon/ngx-tools';
import * as i0 from '@angular/core';
import { InjectionToken } from '@angular/core';
import { RefLookupService, RefLookupFilter } from '@myrmidon/cadmus-refs-lookup';

/**
 * A GeoNames request.
 */
interface GeoNamesRequest {
    url?: string;
    userName: string;
}
/**
 * GeoNames search types.
 */
declare enum GeoNamesSearchType {
    query = 0,
    name = 1,
    nameEquals = 2,
    nameStartsWith = 3
}
/**
 * A GeoNames bounding box.
 */
interface GeoNamesBBox {
    north: number;
    south: number;
    east: number;
    west: number;
}
/**
 * A GeoNames search request.
 * See https://www.geonames.org/export/geonames-search.html.
 */
interface GeoNamesSearchRequest extends GeoNamesRequest {
    /**
     * The type of search. This maps to parameter q, name, name_equals,
     * or name_startsWith.
     */
    searchType: GeoNamesSearchType;
    /**
     * The text to search for, which is the value of the parameter specified
     * by searchType.
     */
    text: string;
    /**
     * The maximum number of rows to return. Default is 100.
     */
    maxRows?: number;
    /**
     * The start row. Default is 0.
     */
    startRow?: number;
    /**
     * The countries to search in. If not specified, all countries are searched.
     * ISO 3166-1 alpha-2 codes. This maps to the parameter country, which can
     * be repeated.
     */
    countries?: string[];
    /**
     * The country bias. ISO 3166-1 alpha-2 code. Records from the country bias
     * are listed first in the search result. Default is no bias.
     */
    countryBias?: string;
    /**
     * The continent code.
     */
    continentCode?: 'AF' | 'AS' | 'EU' | 'NA' | 'OC' | 'SA' | 'AN';
    /**
     * The administrative division code 1.
     */
    adminCode1?: string;
    /**
     * The administrative division code 2.
     */
    adminCode2?: string;
    /**
     * The administrative division code 3.
     */
    adminCode3?: string;
    /**
     * The administrative division code 4.
     */
    adminCode4?: string;
    /**
     * The administrative division code 5.
     */
    adminCode5?: string;
    /**
     * The feature class codes in a string. Each feature class is encoded
     * by a single character. Default is all feature classes. Allowed characters
     * are:
     * - A (administrative divisions: country, state, region...)
     * - H (hydrographic features: oceans, rivers, lakes...),
     * - L (landscapes: parks, areas...)
     * - P (populated places: city, village...)
     * - R (roads: road, railroad...)
     * - S (spots: building, farm...)
     * - T (terrains: mountain, hill, rock...)
     * - U (undersea)
     * - V (vegetation: forest, heath...)
     * This maps to the parameter featureClass, which can be repeated.
     */
    featureClasses?: string;
    /**
     * The feature codes. The default is all feature codes.
     * See https://www.geonames.org/export/codes.html.
     * This maps to the parameter featureCode, which can be repeated.
     */
    featureCodes?: string[];
    /**
     * The cities, used to categorize the populated places into three groups
     * according to size/relevance.
     */
    cities?: 'cities1000' | 'cities5000' | 'cities15000';
    /**
     * Language of returned 'name' element (the pseudo language code 'local'
     * will return it in local language). Default value is 'local', else
     * use ISO-639 2-letter language code.
     */
    lang?: string;
    /**
     * The language to limit the search to. This will only consider names
     * in the specified language, and is used in combination with the name
     * parameter.
     */
    searchLang?: string;
    /**
     * The requested format type for the result. Default is XML.
     */
    type?: 'xml' | 'json' | 'rdf';
    /**
     * Verbosity of the result.
     */
    style?: 'SHORT' | 'MEDIUM' | 'LONG' | 'FULL';
    /**
     * At least one of the search term needs to be part of the place name.
     * Example: A normal search for Berlin will return all places within
     * the state of Berlin. If we only want to find places with 'Berlin'
     * in the name we set the parameter isNameRequired to 'true'. The difference
     * to the name_equals parameter is that this will allow searches for
     * 'Berlin, Germany' as only one search term needs to be part of the name.
     */
    isNameRequired?: boolean;
    /**
     * Search toponyms tagged with the specified tag. GeoNames is using a
     * simple tagging system. Every user can tag places. In contrast to the
     * feature codes and feature classes which are one-dimensional (a place
     * name can only have one feature code) several tags can be used for each
     * place name. If you want to search for tags of a particular user,
     * append <c>@username</c> to the tag.
     */
    tag?: string;
    /**
     * The operator to use when combining multiple search terms.
     */
    operator?: 'AND' | 'OR';
    /**
     * The charset to use for the result. Default is UTF-8.
     */
    charset?: string;
    /**
     * The fuzziness of the search terms, ranging from 0 to 1. Only for
     * the name attribute.
     */
    fuzzy?: number;
    /**
     * The bounding box to search in.
     */
    bbox?: GeoNamesBBox;
    /**
     * In combination with the name_startsWith, if set to 'relevance' then
     * the result is sorted by relevance.
     */
    orderBy?: 'relevance' | 'population' | 'elevation';
    /**
     * Include Bbox info, regardless of style setting. Normally only
     * included with style=FULL.
     */
    inclBbox?: boolean;
}
/**
 * A GeoNames toponym.
 */
interface GeoNamesToponym {
    geonameId: number;
    lat: number;
    lng: number;
    name: string;
    toponymName: string;
    alternateNames?: string[];
    numberOfChildren?: number;
    fcl?: string;
    fclName?: string;
    fcode?: string;
    fcodeName?: string;
    continentCode?: string;
    countryId?: string;
    countryCode?: string;
    countryName?: string;
    adminCode1?: string;
    adminName1?: string;
    adminCode2?: string;
    adminName2?: string;
    adminCode3?: string;
    adminName3?: string;
    adminCode4?: string;
    adminName4?: string;
    adminCode5?: string;
    adminName5?: string;
    timezone?: string;
    population?: number;
    elevation?: number;
}
/**
 * The result of a GeoNames search.
 */
interface GeoNamesSearchResult {
    totalResultsCount: number;
    geonames: GeoNamesToponym[];
}
/**
 * A service to search GeoNames.
 */
declare class GeoNamesService {
    private _http;
    private _error;
    constructor(_http: HttpClient, _error: ErrorService);
    /**
     * Search GeoNames for toponyms.
     * @param request The search request.
     * @returns The search result.
     */
    search(request: GeoNamesSearchRequest): Observable<GeoNamesSearchResult>;
    static ɵfac: i0.ɵɵFactoryDeclaration<GeoNamesService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GeoNamesService>;
}

/**
 * The token to provide the GeoNames user name.
 */
declare const GEONAMES_USERNAME_TOKEN: InjectionToken<unknown>;
/**
 * GeoNames reference lookup service.
 * You should provide the GEONAMES_USERNAME_TOKEN token with your
 * GeoNames user name.
 */
declare class GeoNamesRefLookupService implements RefLookupService {
    private _userName;
    private _geonames;
    constructor(_userName: string, _geonames: GeoNamesService);
    /**
     * Lookup toponyms.
     * @param filter The filter.
     * @param options The search options.
     * @returns Observable of toponyms.
     */
    lookup(filter: RefLookupFilter, options?: GeoNamesSearchRequest): Observable<GeoNamesToponym[]>;
    /**
     * Get the name to display for the specified toponym.
     * @param item The toponym.
     * @returns The name to display for the specified toponym.
     */
    getName(item: GeoNamesToponym): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<GeoNamesRefLookupService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GeoNamesRefLookupService>;
}

export { GEONAMES_USERNAME_TOKEN, GeoNamesRefLookupService, GeoNamesSearchType, GeoNamesService };
export type { GeoNamesBBox, GeoNamesRequest, GeoNamesSearchRequest, GeoNamesSearchResult, GeoNamesToponym };