import { Itinerary } from "@wemap/routers";
import { useMapStore } from "../storages/map";
import { mergeDefaultOptions } from "../utils/object";
import { Coords, PolylineOptions } from "../types";

export class MapManager {

    /** @hidden */
    constructor() {}

    /**
     * Draws an itinerary on the map as a polyline
     * @param {Itinerary} itinerary - The itinerary to draw
     * @param {PolylineOptions} [options] - Optional styling options for the polyline
     * @returns {string} The ID of the drawn polyline
     */
    drawItinerary(itinerary: Itinerary, options?: PolylineOptions) {
        const coordinates = itinerary.coords.map((coord) => ({
            lat: coord.lat,
            lng: coord.lng
        }));

        return this.drawPolyline(coordinates, options);
    }

    /**
     * Draws a polyline on the map
     * @param {Coords[]} coordinates - Array of coordinates forming the polyline
     * @param {PolylineOptions} [options={}] - Styling options for the polyline
     * @returns {string} The ID of the drawn polyline
     */
    drawPolyline(coordinates: Coords[], options: PolylineOptions = {}) {
        const defaultOptions: PolylineOptions = {
            color: '#2f7ce1',
            opacity: 1,
            width: 2
        };

        const mergedOptions = mergeDefaultOptions(options, defaultOptions);

        const polylineId = useMapStore.getState().addPolyline(coordinates, mergedOptions);

        return polylineId;
    }

    /**
     * Removes a polyline from the map by its ID
     * @param {string} id - The ID of the polyline to remove
     */
    removePolyline(id: string) {
        useMapStore.getState().removePolyline(id);
    }

    /**
     * Removes all polylines from the map
     */
    clearPolylines() {
        useMapStore.getState().clearPolylines();
    }
}

/** @hidden */
export default new MapManager();