/*
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 * and open the template in the editor.
 */
package net.fixtures.plugin;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.yaml.snakeyaml.Yaml;

/**
 *
 * @author eivar
 */
class FixturesHelper {

  /**
   * database connection fields
   */
  final static String URL = "url", USER_NAME = "username", PASSWORD = "password";
  /**
   * path constants
   */
  public final static String PATH_SEPARATOR = System.getProperty("file.separator");
  public final static String BASE_DIR = System.getProperty("basedir");
  private final static String RESOURCES_PATH = buildPath(BASE_DIR, "src", "main", "resources");

  static Map<String, Map<String, Object>> readDatabaseConfig(String configFile) {
    try {
      configFile = configFile == null ? buildPath(RESOURCES_PATH, "database.yml") : configFile;
      return readYamlFile(configFile);
    } catch (FileNotFoundException ex) {
      throw new RuntimeException("Imposible to load database.yml config", ex);
    }
  }

  static Map<String, Map<String, Object>> readYamlFile(String configFile) throws FileNotFoundException {
    return readYamlFile(new File(configFile));
  }

  static Map<String, Map<String, Object>> readYamlFile(File configFile) throws FileNotFoundException {
    return readYamlFile(new FileInputStream(configFile));
  }

  static Map<String, Map<String, Object>> readYamlFile(InputStream configFile) {
    return (Map<String, Map<String, Object>>) new Yaml().load(configFile);
  }

  static String buildPath(Object... elments) {
    return StringUtils.join(elments, PATH_SEPARATOR);
  }

  static String convertToString(Object value) {
    return value == null ? "" : value.toString();
  }
}