global.self = global;
const fs = require('fs');
// const shp = require('shpjs'); // Removed

const ZIP_PATH = 'public/daten/Windenergiebereiche_NRW.zip';

(async () => {
    try {
        const { default: shp } = await import('shpjs');
        console.log("Reading Zip...");
        const buffer = fs.readFileSync(ZIP_PATH);
        // shpjs (default export handle)
        const geojson = await shp(buffer);

        if (Array.isArray(geojson)) {
            console.log("Found multiple features/files:", geojson.length);
            geojson.forEach(g => console.log(" - File:", g.fileName || 'unknown', "Features:", g.features.length));
        } else {
            console.log("Found single FeatureCollection. Features:", geojson.features.length);
            if (geojson.features.length > 0) {
                console.log("First feature geometry type:", geojson.features[0].geometry.type);
                console.log("First coordinate:", JSON.stringify(geojson.features[0].geometry.coordinates[0][0][0]));
            }
        }
    } catch (e) {
        console.error("Error parsing ZIP:", e.message);
    }
})();