/*
 * 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.core;

import java.time.LocalDate;
import java.util.ArrayList;

/**
 * The Class IssueList.
 */
public class Issues extends ArrayList<Issue>
{
	private static final long serialVersionUID = -6241164269103539500L;

	/**
	 * Instantiates a new issue list.
	 */
	public Issues()
	{
		super();
	}

	/**
	 * Instantiates a new issue list.
	 *
	 * @param capacity
	 *            the capacity
	 */
	public Issues(final int capacity)
	{
		super(capacity);
	}

	/**
	 * Compute stat.
	 *
	 * @param date
	 *            the date
	 * @return the stat
	 */
	public Stat computeStat()
	{
		Stat result;

		result = new Stat();
		for (Issue issue : this)
		{
			int age = issue.getAgeInDays();
			result.addValue(age);
		}

		//
		return result;
	}

	/**
	 * Compute stat.
	 *
	 * @param date
	 *            the date
	 * @return the stat
	 */
	public Stat computeStat(final LocalDate date)
	{
		Stat result;

		result = new Stat();
		for (Issue issue : this)
		{
			int age = issue.getAgeInDays(date);
			result.addValue(age);
		}

		//
		return result;
	}

	/**
	 * Extract aticved at.
	 *
	 * @param date
	 *            the date
	 * @return the issue list
	 */
	public Issues extractActivedAt(final LocalDate date)
	{
		Issues result;

		result = new Issues();

		for (Issue issue : this)
		{
			LocalDate createdOn = issue.getCreatedOn().toLocalDate();
			LocalDate closedOn;
			if (issue.getClosedOn() == null)
			{
				closedOn = null;
			}
			else
			{
				closedOn = issue.getClosedOn().toLocalDate();
			}

			if ((!createdOn.isAfter(date)) && ((issue.getClosedOn() == null) || (!closedOn.isBefore(date))))
			{
				result.add(issue);
			}
		}

		//
		return result;
	}
}