/*
 * Copyright (C) 2020 Christian Pierre MOMON <christian.momon@devinsy.fr>
 * 
 * This file is part of AgirStatool, simple key value database.
 * 
 * AgirStatool is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * AgirStatool 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with AgirStatool.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.april.agirstatool.cli;

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Properties;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.april.agirstatool.core.AgirStatoolException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * The Class AgirStatoolConfigFile.
 */
public class AgirStatoolConfigFile extends Properties
{
	private static final long serialVersionUID = -6816730915507062072L;

	private static final Logger logger = LoggerFactory.getLogger(AgirStatoolConfigFile.class);

	private static final String TIME_PATTERN = "^\\d\\dh\\d\\d$";

	/**
	 * Instantiates a new agir statool config file.
	 *
	 * @param source
	 *            the source
	 * @throws AgirStatoolException
	 *             the agir statool exception
	 */
	public AgirStatoolConfigFile(final File configurationFile) throws AgirStatoolException
	{
		super();

		try
		{
			if (configurationFile == null)
			{
				throw new AgirStatoolException("Configuration file undefined.");
			}
			else if (!configurationFile.exists())
			{
				throw new AgirStatoolException("Configuration file does not exist.");
			}
			else if (!configurationFile.isFile())
			{
				throw new AgirStatoolException("Configuration file is not a file.");
			}
			else
			{
				Properties config = loadProperties(configurationFile);
				this.putAll(config);
			}
		}
		catch (IOException exception)
		{
			throw new AgirStatoolException("IO error.", exception);
		}
	}

	/**
	 * Gets the dabatase login.
	 *
	 * @return the dabatase login
	 */
	public String getDabataseLogin()
	{
		String result;

		result = getProperty("database.login");

		//
		return result;
	}

	/**
	 * Gets the dabatase name.
	 *
	 * @return the dabatase name
	 */
	public String getDabataseName()
	{
		String result;

		result = getProperty("database.name");

		//
		return result;
	}

	/**
	 * Gets the dabatase password.
	 *
	 * @return the dabatase password
	 */
	public String getDabatasePassword()
	{
		String result;

		result = getProperty("database.password");

		//
		return result;
	}

	/**
	 * Gets the dabatase url.
	 *
	 * @return the dabatase url
	 */
	public String getDabataseUrl()
	{
		String result;

		result = getProperty("database.url");

		//
		return result;
	}

	/**
	 * Gets the target directory.
	 *
	 * @return the target directory
	 */
	public String getTargetDirectory()
	{
		String result;

		result = getProperty("targetDirectory");

		//
		return result;
	}

	/**
	 * Checks if is valid.
	 *
	 * @return true, if is valid
	 */
	public boolean isValid()
	{
		boolean result;

		if (StringUtils.isBlank(getProperty("database.url")))
		{
			result = false;
		}
		else if (StringUtils.isBlank(getProperty("database.name")))
		{
			result = false;
		}
		else if (StringUtils.isBlank(getProperty("database.login")))
		{
			result = false;
		}
		else if (StringUtils.isBlank(getProperty("targetDirectory")))
		{
			result = false;
		}
		else
		{
			result = true;
		}

		//
		return result;
	}

	/**
	 * Load properties.
	 *
	 * @param source
	 *            the source
	 * @return the properties
	 * @throws IOException
	 *             Signals that an I/O exception has occurred.
	 */
	private static Properties loadProperties(final File source) throws IOException
	{
		Properties result;

		System.setProperty("file.encoding", "UTF-8");
		result = new Properties();
		FileReader reader = null;
		try
		{
			reader = new FileReader(source);
			result.load(reader);
		}
		finally
		{
			IOUtils.closeQuietly(reader);
		}

		//
		return result;
	}
}