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package io.sirix.tutorial.xml;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

import io.sirix.access.DatabaseConfiguration;
import io.sirix.access.Databases;
import io.sirix.access.ResourceConfiguration;
import io.sirix.service.xml.shredder.XmlShredder;

import io.sirix.tutorial.Constants;

public final class CreateXmlDatabase {

  private static final Path XML = Paths.get("src", "main", "resources", "xml");

  public static void main(String[] args) throws IOException {
    createXmlDatabase();
  }

  static void createXmlDatabase() throws FileNotFoundException, IOException {
    final var pathToXmlFile = XML.resolve("orga.xml");
    final var databaseFile = Constants.SIRIX_DATA_LOCATION.resolve("xml-database");

    if (Files.exists(databaseFile))
      Databases.removeDatabase(databaseFile);

    final var dbConfig = new DatabaseConfiguration(databaseFile);
    Databases.createXmlDatabase(dbConfig);
    try (final var database = Databases.openXmlDatabase(databaseFile)) {
      database.createResource(ResourceConfiguration.newBuilder("resource")
                                                   .useTextCompression(false)
                                                   .useDeweyIDs(true)
                                                   .build());
      try (final var manager = database.beginResourceSession("resource");
           final var wtx = manager.beginNodeTrx();
           final var fis = new FileInputStream(pathToXmlFile.toFile())) {
        wtx.insertSubtreeAsFirstChild(XmlShredder.createFileReader(fis));
        wtx.commit();
      }
    }

    System.out.println("Database with resource created.");
  }
}