/**

  * SQL-DK

  * Copyright © 2013 František Kučera (frantovo.cz)

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License, or

  * (at your option) any later version.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. If not, see <http://www.gnu.org/licenses/>.

  */

 package info.globalcode.sql.dk.configuration;

 import static info.globalcode.sql.dk.Xmlns.CONFIGURATION;

 import static info.globalcode.sql.dk.Functions.findByName;

 import info.globalcode.sql.dk.formatting.SilentFormatter;

 import info.globalcode.sql.dk.formatting.SingleValueFormatter;

 import info.globalcode.sql.dk.formatting.TabularFormatter;

 import info.globalcode.sql.dk.formatting.TabularPrefetchingFormatter;

 import info.globalcode.sql.dk.formatting.TabularWrappingFormatter;

 import info.globalcode.sql.dk.formatting.XhtmlFormatter;

 import info.globalcode.sql.dk.formatting.XmlFormatter;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.List;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlTransient;

 /**

  * Object representation of user configuration loaded from XML.

  *

  * @author Ing. František Kučera (frantovo.cz)

  */

 @XmlRootElement(name = "configuration", namespace = CONFIGURATION)

 public class Configuration {

 	private List<DatabaseDefinition> databases = new ArrayList<>();

 	private List<FormatterDefinition> formatters = new ArrayList<>();

 	/**

 	 * is used if no formatter is specified on CLI nor in user configuration

 	 */

 	public static final String DEFAULT_FORMATTER = TabularFormatter.NAME;

 	/**

 	 * Can be used as default if prefetching is ok – for configuration listings (config is alread in

 	 * memory, so this does not matter)

 	 */

 	public static final String DEFAULT_FORMATTER_PREFETCHING = TabularPrefetchingFormatter.NAME;

 	private String defaultFormatter;

 	/**

 	 * Default list of formatters. Is used if particular name is not found in user configuration.

 	 */

 	private static final Collection<FormatterDefinition> buildInFormatters;

 	static {

 		Collection<FormatterDefinition> l = new ArrayList<>();

 		l.add(new FormatterDefinition(SilentFormatter.NAME, SilentFormatter.class.getName()));

 		l.add(new FormatterDefinition(SingleValueFormatter.NAME, SingleValueFormatter.class.getName()));

 		l.add(new FormatterDefinition(XmlFormatter.NAME, XmlFormatter.class.getName()));

 		l.add(new FormatterDefinition(XhtmlFormatter.NAME, XhtmlFormatter.class.getName()));

 		l.add(new FormatterDefinition(TabularFormatter.NAME, TabularFormatter.class.getName()));

 		l.add(new FormatterDefinition(TabularPrefetchingFormatter.NAME, TabularPrefetchingFormatter.class.getName()));

 		l.add(new FormatterDefinition(TabularWrappingFormatter.NAME, TabularWrappingFormatter.class.getName()));

 		buildInFormatters = Collections.unmodifiableCollection(l);

 	}

 	@XmlElement(name = "database", namespace = CONFIGURATION)

 	public List<DatabaseDefinition> getDatabases() {

 		return databases;

 	}

 	public void setDatabases(List<DatabaseDefinition> databases) {

 		this.databases = databases;

 	}

 	/**

 	 * @throws ConfigurationException if no database with this name is configured

 	 */

 	public DatabaseDefinition getDatabase(String name) throws ConfigurationException {

 		DatabaseDefinition dd = findByName(databases, name);

 		if (dd == null) {

 			throw new ConfigurationException("Database is not configured: " + name);

 		} else {

 			return dd;

 		}

 	}

 	/**

 	 * @return only configured formatters

 	 * @see #getBuildInFormatters()

 	 * @see #getAllFormatters()

 	 */

 	@XmlElement(name = "formatter", namespace = CONFIGURATION)

 	public List<FormatterDefinition> getFormatters() {

 		return formatters;

 	}

 	public void setFormatters(List<FormatterDefinition> formatters) {

 		this.formatters = formatters;

 	}

 	/**

 	 * @param name name of desired formatter. Looking for this name in user configuration, then in

 	 * buil-in formatters. If null, default from configuration or (if not configured) built-in

 	 * default is used.

 	 * @return formatter definition

 	 * @throws ConfigurationException if no formatter with this name was found

 	 */

 	public FormatterDefinition getFormatter(String name) throws ConfigurationException {

 		if (name == null) {

 			return defaultFormatter == null ? getFormatter(DEFAULT_FORMATTER) : getFormatter(defaultFormatter);

 		} else {

 			FormatterDefinition fd = findByName(formatters, name);

 			fd = fd == null ? findByName(buildInFormatters, name) : fd;

 			if (fd == null) {

 				throw new ConfigurationException("Formatter is not configured: " + name);

 			} else {

 				return fd;

 			}

 		}

 	}

 	/**

 	 * @return only built-in formatters

 	 * @see #getAllFormatters()

 	 * @see #getFormatters()

 	 */

 	@XmlTransient

 	public Collection<FormatterDefinition> getBuildInFormatters() {

 		return buildInFormatters;

 	}

 	/**

 	 * @return built-in + configured formatters

 	 * @see #getFormatters()

 	 */

 	@XmlTransient

 	public Collection<FormatterDefinition> getAllFormatters() {

 		Collection<FormatterDefinition> allFormatters = new ArrayList<>();

 		allFormatters.addAll(buildInFormatters);

 		allFormatters.addAll(formatters);

 		return allFormatters;

 	}

 	/**

 	 * @return name of default formatter, is used if name is not specified on CLI

 	 */

 	@XmlElement(name = "defaultFormatter", namespace = CONFIGURATION)

 	public String getDefaultFormatter() {

 		return defaultFormatter;

 	}

 	public void setDefaultFormatter(String defaultFormatter) {

 		this.defaultFormatter = defaultFormatter;

 	}

 }