package org.activityinfo.legacy.shared.reports.model;

/*
 * #%L
 * ActivityInfo Server
 * %%
 * Copyright (C) 2009 - 2013 UNICEF
 * %%
 * 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/gpl-3.0.html>.
 * #L%
 */

import com.google.common.collect.Sets;
import org.activityinfo.model.type.geo.AiLatLng;
import org.activityinfo.legacy.shared.reports.content.MapContent;
import org.activityinfo.legacy.shared.reports.model.layers.*;

import javax.xml.bind.annotation.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;

/**
 * Models a map element within a report
 */
public class MapReportElement extends ReportElement<MapContent> {

    public static final String AUTO_BASEMAP = "@AUTO@";


    private String baseMapId = AUTO_BASEMAP;
    private int width = 640;
    private int height = 480;
    private AiLatLng center = null;
    private int zoomLevel = -1;
    private int maximumZoomLevel = 18;

    private List<MapLayer> layers = new ArrayList<MapLayer>(0);

    public MapReportElement() {
    }

    @XmlElement(name = "tileBaseMap", required = true)
    public String getBaseMapId() {
        return baseMapId;
    }

    public void setBaseMapId(String baseMapId) {
        this.baseMapId = baseMapId;
    }

    @XmlElement(defaultValue = "640")
    public int getWidth() {
        return width;
    }

    public void setWidth(int width) {
        this.width = width;
    }

    @XmlElement(defaultValue = "480")
    public int getHeight() {
        return height;
    }

    public void setHeight(int height) {
        this.height = height;
    }

    public void addLayer(MapLayer layer) {
        this.layers.add(layer);
    }

    @XmlElement(defaultValue = "18")
    public int getMaximumZoomLevel() {
        return maximumZoomLevel;
    }

    /**
     * Sets the maximum acceptable zoom level when using
     * automatic zoom level calculation.
     *
     * @param maximumZoomLevel
     */
    public void setMaximumZoomLevel(int maximumZoomLevel) {
        this.maximumZoomLevel = maximumZoomLevel;
    }

    @XmlElementWrapper(name = "layers") @XmlElements({@XmlElement(name = "bubbles", type = BubbleMapLayer.class),
            @XmlElement(name = "pie", type = PiechartMapLayer.class),
            @XmlElement(name = "icons", type = IconMapLayer.class),
            @XmlElement(name = "polygons", type = PolygonMapLayer.class)})
    public List<MapLayer> getLayers() {
        return layers;
    }

    public void setLayers(List<MapLayer> layers) {
        this.layers = layers;
    }

    public void setLayers(MapLayer... layers) {
        this.layers = new ArrayList<MapLayer>();
        this.layers.addAll(Arrays.asList(layers));
    }

    /*
     * Returns the center of the map
     * 
     * when null, ignored by the generator. Instead, the generator calculates
     * the center by the set of locations on the map
     * AdministrativeLevelClustering
     */
    @XmlElement(name = "center")
    public AiLatLng getCenter() {
        return center;
    }

    public void setCenter(AiLatLng center) {
        this.center = center;
    }

    /*
     * Returns the zoomlevel of the map background
     * 
     * When null, ignored by the generator. Instead, the generator calculates
     * the zoomlevel by the set of locations on the map and the size of the map
     */
    @XmlAttribute(name = "zoomLevel")
    public int getZoomLevel() {
        return zoomLevel;
    }

    public void setZoomLevel(int zoomLevel) {
        this.zoomLevel = zoomLevel;
    }

    @Override @XmlTransient
    public Set<Integer> getIndicators() {
        Set<Integer> ids = Sets.newHashSet();
        for (MapLayer layer : layers) {
            ids.addAll(layer.getIndicatorIds());
        }
        return ids;
    }

    @Override
    public String toString() {
        return "MapReportElement [baseMapId=" + baseMapId + ", layers=" + layers + "]";
    }
}