/*
 * Copyright 2016 Anton Tananaev (anton@traccar.org)
 * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.traccar.model;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Collection;
import java.util.Date;

import com.fasterxml.jackson.annotation.JsonIgnore;

import net.fortuna.ical4j.data.CalendarBuilder;
import net.fortuna.ical4j.data.ParserException;
import net.fortuna.ical4j.filter.Filter;
import net.fortuna.ical4j.filter.PeriodRule;
import net.fortuna.ical4j.filter.Rule;
import net.fortuna.ical4j.model.Component;
import net.fortuna.ical4j.model.DateTime;
import net.fortuna.ical4j.model.Dur;
import net.fortuna.ical4j.model.Period;
import net.fortuna.ical4j.model.component.CalendarComponent;
import net.fortuna.ical4j.validate.ValidationException;

public class Calendar extends Extensible {

    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    private byte[] calendarData;

    public byte[] getCalendarData() throws ValidationException, IOException {
        return calendarData.clone();
    }

    public void setCalendarData(byte[] calendarData) throws IOException, ParserException, SQLException {
        CalendarBuilder builder = new CalendarBuilder();
        calendar = builder.build(new ByteArrayInputStream(calendarData));
        this.calendarData = calendarData.clone();
    }

    private net.fortuna.ical4j.model.Calendar calendar;

    @JsonIgnore
    public net.fortuna.ical4j.model.Calendar getCalendar() {
        return calendar;
    }

    public boolean checkMoment(Date date) {
        if (calendar != null) {
            Period period = new Period(new DateTime(date), new Dur(0, 0, 0, 0));
            Rule<Component> periodRule = new PeriodRule<Component>(period);
            Filter<CalendarComponent> filter = new Filter<CalendarComponent>(new Rule[] {periodRule}, Filter.MATCH_ANY);
            Collection<CalendarComponent> events = filter.filter(calendar.getComponents(Component.VEVENT));
            if (events != null && !events.isEmpty()) {
                return true;
            }
        }
        return false;
    }
}