// Copyright (c) 2026 Elizabeth Cray
const fs = require('fs');
require('dotenv').config();

const osmData = JSON.parse(fs.readFileSync('osm_data.json', 'utf8'));

const geoJsonTemplate = {
    type: "FeatureCollection",
    features: [],
};

if (osmData && osmData.elements && osmData.elements.length > 0) {
    osmData.elements.forEach(element => {
        if (element.type === 'node' && element.lat && element.lon) {
            geoJsonTemplate.features.push({
                type: "Feature",
                geometry: {
                    type: "Point",
                    coordinates: [element.lon, element.lat],
                },
                properties: element.tags || {},
            });
        }
    });
    fs.writeFileSync('osm_data.geojson', JSON.stringify(geoJsonTemplate, null, 2));
}