const { Client } = require('pg');
require('dotenv').config({ path: '../.env' });
const client = new Client({
    host: process.env.DB_HOST,
    port: process.env.DB_PORT,
    user: process.env.DB_USER,
    password: process.env.DB_PASSWORD,
    database: process.env.DB_NAME
});
client.connect().then(async () => {
    try {
        const res = await client.query(`
            SELECT 
                a."VNA", a."GNA", a."FSK",
                z.projekt_id IS NOT NULL as is_assigned
            FROM geodaten.flaecheneigentuemer_alkis a
            LEFT JOIN geodaten.flaecheneigentuemer_alkis_zuweisung z ON a."FSK" = z.fsk
            LIMIT 20
        `);
        console.table(res.rows);
        
        const summary = await client.query(`
            SELECT 
                count(*) as total,
                count(z.fsk) as assigned
            FROM geodaten.flaecheneigentuemer_alkis a
            LEFT JOIN geodaten.flaecheneigentuemer_alkis_zuweisung z ON a."FSK" = z.fsk
        `);
        console.log("Summary:", summary.rows[0]);

    } catch (e) {
        console.error(e);
    } finally {
        client.end();
    }
});
