package de.rwu.easydrop;

import java.util.List;

import javax.naming.ConfigurationException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sqlite.SQLiteDataSource;

import de.rwu.easydrop.api.client.DataSourceFactory;
import de.rwu.easydrop.data.connector.AbstractProductPersistence;
import de.rwu.easydrop.data.connector.SQLiteConnector;
import de.rwu.easydrop.model.ProductCatalogue;
import de.rwu.easydrop.service.retriever.CatalogueRetriever;
import de.rwu.easydrop.service.retriever.ProductRetriever;
import de.rwu.easydrop.service.writer.CatalogueWriter;
import de.rwu.easydrop.util.Config;
import de.rwu.easydrop.util.ProductsConfig;

/**
 * Kickoff point for the service.
 *
 * @since 0.1.0
 */
public final class Main {
    /**
     * Logger for main process.
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);

    /**
     * Prevents unwanted instantiation.
     */
    private Main() throws IllegalAccessException {
        throw new IllegalAccessException("Don't instantiate me! >:(");
    }

    /**
     * Application entrypoint.
     *
     * @param args
     */
    public static void main(final String[] args) throws ConfigurationException {
        Config config = Config.getInstance();
        ProductsConfig pConfig = ProductsConfig.getInstance();
        DataSourceFactory dataSourceFactory = new DataSourceFactory(config);
        ProductRetriever retriever = new ProductRetriever(dataSourceFactory);
        CatalogueRetriever catRetriever = new CatalogueRetriever(pConfig, retriever);
        AbstractProductPersistence db = new SQLiteConnector(new SQLiteDataSource());
        CatalogueWriter catWriter = new CatalogueWriter(db);

        catRetriever.loadCatalogues();
        List<ProductCatalogue> pCats = catRetriever.getProductCatalogues();
        catWriter.writeCatalogues(pCats);

        for (ProductCatalogue pCat : pCats) {
            String pCatStr = pCat.toString();
            LOGGER.info(pCatStr);
        }
    }
}