import { ICAO } from './constants.js';
import { MetarStation, Wind } from './metar.types.js';
import { Position } from 'geojson';
/**
 * Enum representing the variant of waypoint.
 */
export declare enum WaypointVariant {
    Waypoint = 0,
    ReportingPoint = 1,
    Aerodrome = 2
}
/**
 * Represents a waypoint in the flight planning system.
 *
 * A waypoint is a specified geographical location used for navigation purposes.
 * It can be associated with a METAR weather observation station.
 *
 * @interface Waypoint
 * @property {ICAO} [icao] - The ICAO code of the waypoint, if available.
 * @property {string} [iata] - The IATA code of the waypoint, if available.
 * @property {string} name - The name of the waypoint.
 * @property {Position} coords - The geographical coordinates of the waypoint as [longitude, latitude] or [longitude, latitude, elevation].
 * @property {number} [elevation] - The elevation of the waypoint in feet.
 * @property {number} [declination] - The magnetic declination at the waypoint in degrees.
 * @property {MetarStation} [metarStation] - Optional METAR station associated with the waypoint, providing weather information.
 * @property {WaypointVariant} waypointVariant - The variant of the waypoint, indicating its type (e.g., Waypoint, ReportingPoint, Aerodrome).
 */
export interface Waypoint {
    readonly icao?: ICAO;
    readonly iata?: string;
    readonly name: string;
    readonly coords: Position;
    readonly elevation?: number;
    readonly declination?: number;
    metarStation?: MetarStation;
    readonly waypointVariant: WaypointVariant;
}
/**
 * Represents a reporting point in the flight planning system.
 *
 * A reporting point is a specific location where pilots are required to report their position to air traffic control.
 *
 * @interface ReportingPoint
 * @extends Waypoint
 * @property {boolean} compulsory - Indicates whether the reporting point is compulsory for pilots to report.
 * @property {WaypointVariant.ReportingPoint} waypointVariant - The variant of the waypoint, fixed to ReportingPoint.
 */
export interface ReportingPoint extends Waypoint {
    readonly compulsory: boolean;
    readonly waypointVariant: WaypointVariant.ReportingPoint;
}
/**
 * Enum representing the main composite of a runway surface.
 *
 * @enum {number}
 * @readonly
 */
export declare enum RunwaySurface {
    Asphalt = 0,
    Concrete = 1,
    Grass = 2,
    Sand = 3,
    Water = 4,
    BituminousTarOrAsphalt = 5,// "earth cement"
    Brick = 6,
    MacadamOrTarmac = 7,// water-bound crushed rock
    Stone = 8,
    Coral = 9,
    Clay = 10,
    Laterite = 11,// high iron clay formed in tropical areas
    Gravel = 12,
    Earth = 13,
    Ice = 14,
    Snow = 15,
    ProtectiveLaminate = 16,// usually made of rubber
    Metal = 17,
    LandingMat = 18,// portable system usually made of aluminium
    PiercedSteelPlanking = 19,
    Wood = 20,
    NonBituminousMix = 21,
    Unknown = 22
}
/**
 * Represents a runway at an airport.
 *
 * @interface Runway
 * @property {string} designator - The identifier of the runway (e.g., "09L", "27R").
 * @property {number} heading - The magnetic heading of the runway in degrees.
 * @property {number} [length] - The length of the runway, in meters.
 * @property {number} [width] - The width of the runway, in meters.
 * @property {RunwaySurface} [surface] - The surface material of the runway.
 * @property {boolean} [isActive] - Indicates whether the runway is currently active/operational.
 */
export interface Runway {
    designator: string;
    heading: number;
    length?: number;
    width?: number;
    surface?: RunwaySurface;
    isActive?: boolean;
}
/**
 * Enum representing various types of airport radio frequencies.
 *
 * @enum {number}
 * @readonly
 */
export declare enum FrequencyType {
    Approach = 0,
    APRON = 1,
    Arrival = 2,
    Center = 3,
    CTAF = 4,
    Delivery = 5,
    Departure = 6,
    FIS = 7,
    Gliding = 8,
    Ground = 9,
    Information = 10,
    Multicom = 11,
    Unicom = 12,
    Radar = 13,
    Tower = 14,
    ATIS = 15,
    Radio = 16,
    Other = 17,
    AIRMET = 18,
    AWOS = 19,
    Lights = 20,
    VOLMET = 21,
    AFIS = 22
}
/**
 * Defines the various types of aerodromes.
 *
 * @enum {number}
 * @readonly
 */
export declare enum AerodromeType {
    Airport = 0,
    GliderSite = 1,
    AirfieldCivil = 2,
    InternationalAirport = 3,
    HeliportMilitary = 4,
    MilitaryAerodrome = 5,
    UltraLightFlyingSite = 6,
    HeliportCivil = 7,
    AerodromeClosed = 8,
    AirportIFR = 9,
    AirfieldWater = 10,
    LandingStrip = 11,
    AgriculturalLandingStrip = 12,
    Altiport = 13
}
/**
 * Represents a radio frequency used at an airport.
 *
 * @interface Frequency
 * @property {string} type - The type of frequency (e.g., TOWER, GROUND, APPROACH). TODO: Use enum instead of string.
 * @property {string} name - The name or description of the frequency.
 * @property {string} value - The actual frequency value (e.g., "118.5").
 */
export interface Frequency {
    type: FrequencyType;
    name: string;
    value: string;
}
/**
 * Represents a wind vector in relation to a specific runway.
 *
 * @interface RunwayWindVector
 * @property {Runway} runway - The runway for which the wind vector is calculated.
 * @property {number} windAngle - The angle between the runway heading and the wind direction in degrees.
 * @property {number} headwind - The headwind component in knots (positive for headwind, negative for tailwind).
 * @property {number} crosswind - The crosswind component in knots (absolute value).
 */
export interface RunwayWindVector {
    runway: Runway;
    windAngle: number;
    headwind: number;
    crosswind: number;
}
/**
 * Represents a runway with wind evaluation data.
 *
 * @interface RunwayEvaluation
 * @property {string} designator - The identifier of the runway (e.g., "09L", "27R").
 * @property {number} windAngle - The angle between the runway heading and the wind direction in degrees.
 * @property {number} headwind - The headwind component in knots (positive for headwind, negative for tailwind).
 * @property {number} crosswind - The crosswind component in knots (absolute value).
 * @property {boolean} favored - Indicates whether this runway is the most favored based on wind conditions (maximum headwind).
 */
export interface RunwayEvaluation {
    designator: string;
    windAngle: number;
    headwind: number;
    crosswind: number;
    favored: boolean;
}
/**
 * Represents the result of evaluating multiple runways based on wind conditions.
 *
 * @interface RunwayEvaluationResult
 * @property {Wind} wind - The wind data used for the evaluation.
 * @property {RunwayEvaluation[]} runways - Array of runways with wind evaluation data, sorted with the most favored runway first.
 */
export interface RunwayEvaluationResult {
    wind: Wind;
    runways: RunwayEvaluation[];
}
/**
 * Represents an aerodrome (airport) in the flight planning system.
 *
 * @property {Runway[]} runways - An array of runways available at the aerodrome.
 * @property {Frequency[]} [frequencies] - Optional array of radio frequencies used at the aerodrome.
 * @property {boolean} [ppr] - Indicates if prior permission is required (PPR) to use the aerodrome.
 * @property {WaypointVariant.Aerodrome} waypointVariant - The variant of the waypoint, fixed to Aerodrome.
 */
export interface Aerodrome extends Waypoint {
    readonly runways: Runway[];
    readonly frequencies?: Frequency[];
    readonly ppr?: boolean;
    readonly waypointVariant: WaypointVariant.Aerodrome;
}