package cgeo.geocaching.apps;

import cgeo.geocaching.R;
import cgeo.geocaching.cgCache;
import cgeo.geocaching.Settings;
import cgeo.geocaching.cgWaypoint;
import cgeo.geocaching.enumerations.CacheSize;
import cgeo.geocaching.enumerations.CacheType;
import cgeo.geocaching.enumerations.WaypointType;

import menion.android.locus.addon.publiclib.DisplayData;
import menion.android.locus.addon.publiclib.LocusUtils;
import menion.android.locus.addon.publiclib.geoData.Point;
import menion.android.locus.addon.publiclib.geoData.PointGeocachingData;
import menion.android.locus.addon.publiclib.geoData.PointGeocachingDataWaypoint;
import menion.android.locus.addon.publiclib.geoData.PointsData;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.location.Location;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;

/**
 * for the Locus API:
 *
 * @see http://forum.asamm.cz/viewtopic.php?f=29&t=767
 */
public abstract class AbstractLocusApp extends AbstractApp {
    private static final String INTENT = Intent.ACTION_VIEW;
    private static final SimpleDateFormat ISO8601DATE = new SimpleDateFormat("yyyy-MM-dd'T'");

    protected AbstractLocusApp(final Resources res) {
        super(res.getString(R.string.caches_map_locus), INTENT);
    }

    @Override
    public boolean isInstalled(Context context) {
        return LocusUtils.isLocusAvailable(context);
    }

    /**
     * Display a list of caches / waypoints in Locus
     *
     * @param objectsToShow
     *            which caches/waypoints to show
     * @param withCacheWaypoints
     *            wether to give waypoints of caches to Locus or not
     * @param activity
     * @author koem
     */
    protected static void showInLocus(final List<? extends Object> objectsToShow, final boolean withCacheWaypoints,
            final Activity activity) {
        if (objectsToShow == null) {
            return;
        }

        int pc = 0; // counter for points
        PointsData pd = new PointsData("c:geo");
        for (Object o : objectsToShow) {
            // get icon and Point
            Point p = null;
            if (o instanceof cgCache) {
                p = getPoint((cgCache) o, withCacheWaypoints);
            } else if (o instanceof cgWaypoint) {
                p = getPoint((cgWaypoint) o);
            } else {
                continue; // no cache, no waypoint => ignore
            }
            if (p == null) {
                continue;
            }

            pd.addPoint(p);
            ++pc;
        }

        if (pc <= 1000) {
            DisplayData.sendData(activity, pd, false);
        } else {
            ArrayList<PointsData> data = new ArrayList<PointsData>();
            data.add(pd);
            DisplayData.sendDataCursor(activity, data,
                    "content://" + LocusDataStorageProvider.class.getCanonicalName().toLowerCase(),
                    false);
        }
    }

    /**
     * This method constructs a <code>Point</code> for displaying in Locus
     *
     * @param cache
     * @param withWaypoints
     *            whether to give waypoints to Locus or not
     * @return null, when the <code>Point</code> could not be constructed
     * @author koem
     */
    private static Point getPoint(cgCache cache, boolean withWaypoints) {
        if (cache == null || cache.coords == null) {
            return null;
        }

        // create one simple point with location
        Location loc = new Location(Settings.tag);
        loc.setLatitude(cache.coords.getLatitude());
        loc.setLongitude(cache.coords.getLongitude());

        Point p = new Point(cache.name, loc);
        PointGeocachingData pg = new PointGeocachingData();
        p.setGeocachingData(pg);

        // set data in Locus' cache
        pg.cacheID = cache.geocode;
        pg.available = !cache.disabled;
        pg.archived = cache.archived;
        pg.premiumOnly = cache.members;
        pg.name = cache.name;
        pg.placedBy = cache.owner;
        if (cache.hidden != null) {
            pg.hidden = ISO8601DATE.format(cache.hidden.getTime());
        }
        int locusId = toLocusId(CacheType.FIND_BY_ID.get(cache.type));
        if (locusId != NO_LOCUS_ID) {
            pg.type = locusId;
        }
        locusId = toLocusId(cache.size);
        if (locusId != NO_LOCUS_ID) {
            pg.container = locusId;
        }
        if (cache.difficulty != null) {
            pg.difficulty = cache.difficulty;
        }
        if (cache.terrain != null) {
            pg.terrain = cache.terrain;
        }
        pg.found = cache.found;

        if (withWaypoints && cache.waypoints != null) {
            pg.waypoints = new ArrayList<PointGeocachingDataWaypoint>();
            for (cgWaypoint waypoint : cache.waypoints) {
                if (waypoint == null || waypoint.coords == null) {
                    continue;
                }
                PointGeocachingDataWaypoint wp = new PointGeocachingDataWaypoint();
                wp.code = waypoint.geocode;
                wp.name = waypoint.name;
                String locusWpId = toLocusId(WaypointType.FIND_BY_ID.get(waypoint.type));
                if (locusWpId != null) {
                    wp.type = locusWpId;
                }
                wp.lat = waypoint.coords.getLatitude();
                wp.lon = waypoint.coords.getLongitude();
                pg.waypoints.add(wp);
            }
        }

        // Other properties of caches, not used yet. When there are many caches to be displayed
        // in Locus, using these properties can lead to Exceptions in Locus.
        // Examination necessary when to display and when not. E. g.: > 200 caches: don't display
        // these properties.

        //pg.shortDescription = cache.shortdesc;
        //pg.longDescription = cache.description;
        //pg.encodedHints = cache.hint;

        return p;
    }

    /**
     * This method constructs a <code>Point</code> for displaying in Locus
     *
     * @param waypoint
     * @return null, when the <code>Point</code> could not be constructed
     * @author koem
     */
    private static Point getPoint(cgWaypoint waypoint) {
        if (waypoint == null || waypoint.coords == null) {
            return null;
        }

        // create one simple point with location
        Location loc = new Location(Settings.tag);
        loc.setLatitude(waypoint.coords.getLatitude());
        loc.setLongitude(waypoint.coords.getLongitude());

        Point p = new Point(waypoint.name, loc);
        p.setDescription("<a href=\"" + waypoint.getUrl() + "\">"
                + waypoint.geocode + "</a>");

        return p;
    }

    private static final int NO_LOCUS_ID = -1;

    private static int toLocusId(final CacheType ct) {
        switch (ct) {
            case TRADITIONAL:
                return PointGeocachingData.CACHE_TYPE_TRADITIONAL;
            case MULTI:
                return PointGeocachingData.CACHE_TYPE_MULTI;
            case MYSTERY:
                return PointGeocachingData.CACHE_TYPE_MYSTERY;
            case LETTERBOX:
                return PointGeocachingData.CACHE_TYPE_LETTERBOX;
            case EVENT:
                return PointGeocachingData.CACHE_TYPE_EVENT;
            case MEGA_EVENT:
                return PointGeocachingData.CACHE_TYPE_MEGA_EVENT;
            case EARTH:
                return PointGeocachingData.CACHE_TYPE_EARTH;
            case CITO:
                return PointGeocachingData.CACHE_TYPE_CACHE_IN_TRASH_OUT;
            case WEBCAM:
                return PointGeocachingData.CACHE_TYPE_WEBCAM;
            case VIRTUAL:
                return PointGeocachingData.CACHE_TYPE_VIRTUAL;
            case WHERIGO:
                return PointGeocachingData.CACHE_TYPE_WHERIGO;
            case PROJECT_APE:
                return PointGeocachingData.CACHE_TYPE_PROJECT_APE;
            case GPS_EXHIBIT:
                return PointGeocachingData.CACHE_TYPE_GPS_ADVENTURE;
            default:
                return NO_LOCUS_ID;
        }
    }

    private static int toLocusId(final CacheSize cs) {
        switch (cs) {
            case MICRO:
                return PointGeocachingData.CACHE_SIZE_MICRO;
            case SMALL:
                return PointGeocachingData.CACHE_SIZE_SMALL;
            case REGULAR:
                return PointGeocachingData.CACHE_SIZE_REGULAR;
            case LARGE:
                return PointGeocachingData.CACHE_SIZE_LARGE;
            case NOT_CHOSEN:
                return PointGeocachingData.CACHE_SIZE_NOT_CHOSEN;
            case OTHER:
                return PointGeocachingData.CACHE_SIZE_OTHER;
            default:
                return NO_LOCUS_ID;
        }
    }

    private static String toLocusId(final WaypointType wt) {
        switch (wt) {
            case FLAG:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_FINAL;
            case OWN:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_STAGES;
            case PKG:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_PARKING;
            case PUZZLE:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_QUESTION;
            case STAGE:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_STAGES;
            case TRAILHEAD:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_TRAILHEAD;
            case WAYPOINT:
                return PointGeocachingData.CACHE_WAYPOINT_TYPE_STAGES;
            default:
                return null;
        }
    }

}