#include "private.h"
#include "osm-gps-map-source.h"

const char* 
osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source)
{
    switch(source)
    {
        case OSM_GPS_MAP_SOURCE_NULL:
            return "None";
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
            return "OpenStreetMap I";
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
            return "OpenStreetMap II";
        case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
            return "OpenAerialMap";
        case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
            return "OpenCycleMap";
        case OSM_GPS_MAP_SOURCE_OSM_PUBLIC_TRANSPORT:
            return "Public Transport";
        case OSM_GPS_MAP_SOURCE_OSMC_TRAILS:
            return "OSMC Trails";
        case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
            return "Maps-For-Free";
        case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
            return "Google Maps";
        case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
            return "Google Satellite";
        case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
            return "Google Hybrid";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
            return "Virtual Earth";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
            return "Virtual Earth Satellite";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
            return "Virtual Earth Hybrid";
        case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
            return "Yahoo Maps";
        case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
            return "Yahoo Satellite";
        case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
            return "Yahoo Hybrid";
        case OSM_GPS_MAP_SOURCE_LAST:
        default:
            return NULL;
    }
    return NULL;
}

//http://www.internettablettalk.com/forums/showthread.php?t=5209
//https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup
//http://www.ponies.me.uk/maps/GoogleTileUtils.java
//http://www.mgmaps.com/cache/MapTileCacher.perl
const char* 
osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source)
{
    switch(source)
    {
        case OSM_GPS_MAP_SOURCE_NULL:
            return "none://";
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
            return OSM_REPO_URI;
        case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
            /* OpenAerialMap is down, offline till furthur notice
               http://openaerialmap.org/pipermail/talk_openaerialmap.org/2008-December/000055.html */
            return NULL;
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
            return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png";
        case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
            return "http://c.andy.sandbox.cloudmade.com/tiles/cycle/#Z/#X/#Y.png";
        case OSM_GPS_MAP_SOURCE_OSM_PUBLIC_TRANSPORT:
            return "http://tile.xn--pnvkarte-m4a.de/tilegen/#Z/#X/#Y.png";
        case OSM_GPS_MAP_SOURCE_OSMC_TRAILS:
            return "http://topo.geofabrik.de/trails/#Z/#X/#Y.png";
        case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
            return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg";
        case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
            return "http://mt#R.google.com/vt/lyrs=m@146&hl=en&x=#X&s=&y=#Y&z=#Z";
        case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
            return "http://mt#R.google.com/vt/lyrs=h@146&hl=en&x=#X&s=&y=#Y&z=#Z";
        case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
            return "http://khm#R.google.com/kh/v=89&x=#X&y=#Y&z=#Z";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
            return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
            return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50";
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
            return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50";
        case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
        case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
        case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
            /* TODO: Implement signed Y, aka U
             * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d 
             *  x = tilex,
             *  y = (1 << (MAX_ZOOM - zoom)) - tiley - 1,
             *  z = zoom - (MAX_ZOOM - 17));
             */
            return NULL;
        case OSM_GPS_MAP_SOURCE_LAST:
        default:
            return NULL;
    }
    return NULL;
}

const char *
osm_gps_map_source_get_image_format(OsmGpsMapSource_t source)
{
    switch(source) {
        case OSM_GPS_MAP_SOURCE_NULL:
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
        case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
        case OSM_GPS_MAP_SOURCE_OSM_PUBLIC_TRANSPORT:
        case OSM_GPS_MAP_SOURCE_OSMC_TRAILS:
            return "png";
        case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
        case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
        case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
        case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
        case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
        case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
        case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
        case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
            return "jpg";
        case OSM_GPS_MAP_SOURCE_LAST:
        default:
            return "bin";
    }
    return "bin";
}


int 
osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source)
{
    return 1;
}

int 
osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source)
{
    switch(source) {
        case OSM_GPS_MAP_SOURCE_NULL:
            return 18;
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
        case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP:
        case OSM_GPS_MAP_SOURCE_OSM_PUBLIC_TRANSPORT:
            return OSM_MAX_ZOOM;
        case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
        case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
        case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
        case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
        case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
        case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
        case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
        case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
            return 17;
        case OSM_GPS_MAP_SOURCE_OSMC_TRAILS:
            return 15;
        case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
            return 11;
        case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
            return 18;
        case OSM_GPS_MAP_SOURCE_LAST:
        default:
            return 17;
    }
    return 17;
}

gboolean
osm_gps_map_source_is_valid(OsmGpsMapSource_t source)
{
    return osm_gps_map_source_get_repo_uri(source) != NULL;
}

