import * as backend from './backend';

const store = {
    locations: [],
    locationLabels: new Set(),
    setLocations(newLocations) {
        this.locations = newLocations;
        this.locations.sort((a, b) => a.label > b.label);
        for (let loc of newLocations) {
            this.locationLabels.add(loc.label);
        }
    },
    async addLocation(loc) {
        if (this.locationLabels.has(loc.label)) {
            return;
        }

        let newLoc = null;
        try {
            newLoc = await backend.create(loc);
        } catch (err) {
            alert(`Error when saving a new place: ${err.toString()}`);
            return;
        }
        this.locations.push(newLoc);
        this.locations.sort((a, b) => a.label > b.label);
        this.locationLabels.add(newLoc.label);
    },

    mapObject: null,
    setMapObject(mapObject) {
        this.mapObject = mapObject;
    },
    openPopup(label, lat, lng) {
        L.popup()
            .setLatLng([lat, lng])
            .setContent(label)
            .openOn(this.mapObject);
    },
};

export default store;