/*
	Copyright (C) 2007  Alexander Atanasov      <aatanasov@gmail.com>

	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; version 2 of the License.

	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, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	MA  02110-1301  USA

	Garmin and MapSource are registered trademarks or trademarks
	of Garmin Ltd. or one of its subsidiaries.

*/

#include <glib.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "config.h"
#include "plugin.h"
#include "data.h"
#include "projection.h"
#include "item.h"
#include "debug.h"
#include "map.h"
#include "maptype.h"
#include "attr.h"
#include "coord.h"
#include "transform.h"
#include <stdio.h>
#include "attr.h"
#include "coord.h"
#include <libgarmin.h>
#include "garmin.h"
#include "gar2navit.h"
#include "../../file.h"


static int map_id;

struct map_priv {
    int id;
    char *filename;
    struct gar2nav_conv *conv;
    struct gar *g;
};

struct map_rect_priv {
    int id;
    struct coord_rect r;
    char *label;		// FIXME: Register all strings for searches
    int limit;
    struct map_priv *mpriv;
    struct gmap *gmap;
    struct gobject *cobj;
    struct gobject *objs;
    struct item item;
    unsigned int last_coord;
    void *last_itterated;
    struct coord last_c;
    void *last_oattr;
    unsigned int last_attr;
    struct gar_search *search;
};

int garmin_debug = 10;

void logfn(char *file, int line, int level, char *fmt, ...) {
    va_list ap;
    char fileline[256];
    int sz;
    if (level > garmin_debug)
        return;
    va_start(ap, fmt);
    sz = sprintf(fileline, "%s:%d:%d|", file, line, level);
    debug_vprintf(0, "", strlen(""), fileline, sz,
                  1, fmt, ap);
    va_end(ap);
}
// need a base map and a map
struct gscale {
    char *label;
    float scale;
    int bits;
};

static struct gscale mapscales[] = {
    {"7000 km", 70000.0, 8}
    ,{"5000 km", 50000.0, 8}
    ,{"3000 km", 30000.0, 9}
    ,{"2000 km", 20000.0, 9}
    ,{"1500 km", 15000.0, 10}
    ,{"1000 km", 10000.0, 10}
    ,{"700 km", 7000.0, 11}
    ,{"500 km", 5000.0, 11}
    ,{"300 km", 3000.0, 13}
    ,{"200 km", 2000.0, 13}
    ,{"150 km", 1500.0, 13}
    ,{"100 km", 1000.0, 14}
    ,{"70 km", 700.0, 15}
    ,{"50 km", 500.0, 16}
    ,{"30 km", 300.0, 16}
    ,{"20 km", 200.0, 17}
    ,{"15 km", 150.0, 17}
    ,{"10 km", 100.0, 18}
    ,{"7 km", 70.0, 18}
    ,{"5 km", 50.0, 19}
    ,{"3 km", 30.0, 19}
    ,{"2 km", 20.0, 20}
    ,{"1.5 km", 15.0, 22}
    ,{"1 km", 10.0, 24}
    ,{"700 m", 7.0, 24}
    ,{"500 m", 5.0, 24}
    ,{"300 m", 3.0, 24}
    ,{"200 m", 2.0, 24}
    ,{"150 m", 1.5, 24}
    ,{"100 m", 1.0, 24}
    ,{"70 m", 0.7, 24}
    ,{"50 m", 0.5, 24}
    ,{"30 m", 0.3, 24}
    ,{"20 m", 0.2, 24}
    ,{"15 m", 0.1, 24}
    ,{"10 m", 0.15, 24}
};


static int garmin_object_label(struct gobject *o, struct attr *attr) {
    struct map_rect_priv *mr = o->priv_data;
    char *codepage;
    char *label;
    if (!mr) {
        dlog(1, "Error object do not have priv_data!!\n");
        return 0;
    }
    if (mr->label) {
        free(mr->label);
    }
    label = gar_get_object_lbl(o);
    if (label) {
        codepage = gar_obj_codepage(o);
        if (*codepage != 'a') {
            mr->label = g_convert(label, -1,"utf-8",codepage,NULL,NULL,NULL);
            free(label);
        } else
            mr->label = label;
    } else {
        mr->label = NULL;
        return 0;
    }
    if (mr->label) {
        char *cp = mr->label;
        /* FIXME Process label and give only the visible part */
        if (*mr->label == '@' || *mr->label == '^')
            cp++;
        /* FIXME: If zoomlevel is high convert ^ in the string to spaces */
        attr->u.str = cp;
        return 1;
    }
    return 0;
}

static int garmin_object_debug(struct gobject *o, struct attr *attr) {
    struct map_rect_priv *mr = o->priv_data;
    if (!mr) {
        dlog(1, "Error object do not have priv_data!!\n");
        return 0;
    }
    if (mr->label)
        free(mr->label);
    mr->label = gar_object_debug_str(o);
    if (mr->label) {
        attr->u.str = mr->label;
        return 1;
    }
    return 0;
}


static struct map_search_priv *gmap_search_new(struct map_priv *map, struct item *item, struct attr *search,
        int partial) {
    struct map_rect_priv *mr=g_new0(struct map_rect_priv, 1);
    struct gar_search *gs;
    int rc;

    dlog(1, "Called!\n");
    mr->mpriv=map;
    gs = g_new0(struct gar_search,1);
    if (!gs) {
        dlog(1, "Can not init search \n");
        free(mr);
        return NULL;
    }
    mr->search = gs;
    switch (search->type) {
    case attr_country_name:
        gs->type = GS_COUNTRY;
        break;
    case attr_town_name:
        gs->type = GS_CITY;
        break;
    case attr_town_postal:
        gs->type = GS_ZIP;
        break;
    case attr_street_name:
        gs->type = GS_ROAD;
        break;
#if 0 /* someday */
    case attr_region_name:
    case attr_intersection:
    case attr_housenumber:
#endif
    default:
        dlog(1, "Don't know how to search for %d\n", search->type);
        goto out_err;
    }
    gs->match = partial ? GM_START : GM_EXACT;
    gs->needle = strdup(search->u.str);
    dlog(5, "Needle: %s\n", gs->needle);

    mr->gmap = gar_find_subfiles(mr->mpriv->g, gs, GO_GET_SEARCH);
    if (!mr->gmap) {
        dlog(1, "Can not init search \n");
        goto out_err;
    }
    rc = gar_get_objects(mr->gmap, 0, gs, &mr->objs, GO_GET_SEARCH);
    if (rc < 0) {
        dlog(1, "Error loading objects\n");
        goto out_err;
    }
    mr->cobj = mr->objs;
    dlog(4, "Loaded %d objects\n", rc);
    return (struct map_search_priv *)mr;

out_err:
    free(gs);
    free(mr);
    return NULL;
}

/* Assumes that only one item will be itterated at time! */
static void coord_rewind(void *priv_data) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    mr->last_coord = 0;
};

static void attr_rewind(void *priv_data) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    mr->last_attr = 0;
};

static int point_coord_get(void *priv_data, struct coord *c, int count) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    struct gcoord gc;
    if (!count)
        return 0;
    if (g != mr->last_itterated) {
        mr->last_itterated = g;
        mr->last_coord = 0;
    }

    if (mr->last_coord > 0)
        return 0;

    gar_get_object_coord(mr->gmap, g, &gc);
    c->x = gc.x;
    c->y = gc.y;
    mr->last_coord++;
//	dlog(1,"point: x=%d y=%d\n", c->x, c->y);
    // dlog(1, "point: x=%f y=%f\n", GARDEG(c->x), GARDEG(c->y));
    return 1;
}

static int coord_is_node(void *priv_data) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;

    return gar_is_object_dcoord_node(mr->gmap, g, mr->last_coord);
}

static int poly_coord_get(void *priv_data, struct coord *c, int count) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    int ndeltas = 0, total = 0;
    struct gcoord dc;

    if (!count)
        return 0;

    if (g != mr->last_itterated) {
        mr->last_itterated = g;
        mr->last_coord = 0;
    }
    ndeltas = gar_get_object_deltas(g);
    if (mr->last_coord > ndeltas + 1)
        return 0;
    while (count --) {
        if (mr->last_coord == 0) {
            gar_get_object_coord(mr->gmap, g, &dc);
            mr->last_c.x = dc.x;
            mr->last_c.y = dc.y;
        } else {
            if (!gar_get_object_dcoord(mr->gmap, g, mr->last_coord - 1, &dc)) {
                mr->last_coord = ndeltas + 2;
                return total;
            }
            mr->last_c.x += dc.x;
            mr->last_c.y += dc.y;
        }
        c->x = mr->last_c.x;
        c->y = mr->last_c.y;
        ddlog(1, "poly: x=%f y=%f\n", GARDEG(c->x), GARDEG(c->y));
//		dlog(1,"poly: x=%d y=%d\n", c->x, c->y);
        c++;
        total++;
        mr->last_coord ++;
    }
    return total;
}

// for _any we must return one by one
static int point_attr_get(void *priv_data, enum attr_type attr_type, struct attr *attr) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    int rc;
    switch (attr_type) {
    case attr_any:
        if (g != mr->last_oattr) {
            mr->last_oattr = g;
            mr->last_attr = 0;
        }
        switch(mr->last_attr) {
        case 0:
            mr->last_attr++;
            attr->type = attr_label;
            rc = garmin_object_label(g, attr);
            if (rc)
                return rc;
        case 1:
            mr->last_attr++;
            attr->type = attr_debug;
            rc = garmin_object_debug(g, attr);
            if (rc)
                return rc;
        case 2:
            mr->last_attr++;
            if (g->type == GO_POLYLINE) {
                attr->type = attr_street_name;
                rc = garmin_object_label(g, attr);
                if (rc)
                    return rc;
            }
        case 3:
            mr->last_attr++;
            attr->type = attr_flags;
            attr->u.num = 0;
            rc = gar_object_flags(g);
            if (rc & F_ONEWAY)
                attr->u.num |= AF_ONEWAY;
            if (rc & F_SEGMENTED)
                attr->u.num |= AF_SEGMENTED;
            return 1;
        default:
            return 0;
        }
        break;
    case attr_label:
        attr->type = attr_label;
        return garmin_object_label(g, attr);
    case attr_town_name:
        attr->type = attr_town_name;
        return garmin_object_label(g, attr);
    case attr_street_name:
        attr->type = attr_type;
        return garmin_object_label(g, attr);
    case attr_street_name_systematic:
        /* TODO: Get secondary labels of roads */
        return 0;
    case attr_flags:
        attr->type = attr_flags;
        attr->u.num = 0;
        rc = gar_object_flags(g);
        if (rc & F_ONEWAY)
            attr->u.num |= AF_ONEWAY;
        if (rc & F_SEGMENTED)
            attr->u.num |= AF_SEGMENTED;
        return 1;
    default:
        dlog(1, "Don't know about attribute %d[%04X]=%s yet\n", attr_type,attr_type, attr_to_name(attr_type));
    }

    return 0;
}

static struct item_methods methods_garmin_point = {
    coord_rewind,
    point_coord_get,
    attr_rewind,
    point_attr_get,
};

static struct item_methods methods_garmin_poly = {
    coord_rewind,
    poly_coord_get,
    attr_rewind,	// point_attr_rewind,
    point_attr_get,	// poly_attr_get,
    coord_is_node,
};

static int search_attr_get(void *priv_data, enum attr_type attr_type, struct attr *attr) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    int rc;
    switch (attr_type) {
    case attr_any:
        if (g != mr->last_oattr) {
            mr->last_oattr = g;
            mr->last_attr = 0;
        }
        switch(mr->last_attr) {
        case 0:
            mr->last_attr++;
            attr->type = attr_label;
            rc = garmin_object_label(g, attr);
            if (rc)
                return rc;
        case 1:
            mr->last_attr++;
            attr->type = attr_debug;
            rc = garmin_object_debug(g, attr);
            if (rc)
                return rc;
        case 2:
            mr->last_attr++;
            if (g->type == GO_POLYLINE) {
                attr->type = attr_street_name;
                rc = garmin_object_label(g, attr);
                if (rc)
                    return rc;
            }
        case 3:
            mr->last_attr++;
            attr->type = attr_flags;
            attr->u.num = 0;
            rc = gar_object_flags(g);
            if (rc & F_ONEWAY)
                attr->u.num |= AF_ONEWAY;
            if (rc & F_SEGMENTED)
                attr->u.num |= AF_SEGMENTED;
            return 1;
        default:
            return 0;
        }
        break;
    case attr_label:
        attr->type = attr_label;
        return garmin_object_label(g, attr);
    case attr_town_name:
        attr->type = attr_town_name;
        if (mr->label)
            free(mr->label);
        mr->label = gar_srch_get_city(g);
        attr->u.str = mr->label;
        if (attr->u.str)
            return 1;
        return 0;
    case attr_town_id:
        rc = gar_srch_get_cityid(g);
        if (rc) {
            attr->type = attr_town_id;
            attr->u.num = rc;
            return 1;
        }
        return 0;
    case attr_town_postal:
        attr->type = attr_town_postal;
        attr->u.str = gar_srch_get_zip(g);
        if (attr->u.str)
            return 1;
        return 0;
    case attr_street_name:
        attr->type = attr_street_name;
        if (mr->label)
            free(mr->label);
        mr->label = gar_srch_get_roadname(g);
        attr->u.str = mr->label;
        if (attr->u.str)
            return 1;
        return 0;
    case attr_street_id:
        attr->type = attr_street_id;
        attr->u.num = gar_srch_get_roadid(g);
        if (attr->u.num)
            return 1;
        return 0;
    case attr_flags:
        attr->type = attr_flags;
        attr->u.num = 0;
        rc = gar_object_flags(g);
        if (rc & F_ONEWAY)
            attr->u.num |= AF_ONEWAY;
        if (rc & F_SEGMENTED)
            attr->u.num |= AF_SEGMENTED;
        return 1;
    case attr_country_id:
        rc = gar_srch_get_countryid(g);
        if (rc) {
            attr->type = attr_country_id;
            attr->u.num = rc;
            return 1;
        }
        return 0;
    case attr_country_name:
        attr->type = attr_country_name;
        attr->u.str = gar_srch_get_country(g);
        if (attr->u.str)
            return 1;
        return 0;
    case attr_district_id:
        rc = gar_srch_get_regionid(g);
        if (rc) {
            attr->type = attr_district_id;
            attr->u.num = rc;
            return 1;
        }
        return 0;
    case attr_district_name:
        attr->type = attr_district_name;
        attr->u.str = gar_srch_get_region(g);
        if (attr->u.str)
            return 1;
        return 0;
    case attr_town_streets_item:
        return 0;
    default:
        dlog(1, "Don't know about attribute %d[%04X]=%s yet\n",
             attr_type,attr_type, attr_to_name(attr_type));
    }

    return 0;
}

static int search_coord_get(void *priv_data, struct coord *c, int count) {
    struct gobject *g = priv_data;
    struct map_rect_priv *mr = g->priv_data;
    struct gcoord gc;
    if (!count)
        return 0;
    if (g != mr->last_itterated) {
        mr->last_itterated = g;
        mr->last_coord = 0;
    }

    if (mr->last_coord > 0)
        return 0;

    if (gar_get_object_coord(mr->gmap, g, &gc)) {
        c->x = gc.x;
        c->y = gc.y;
        mr->last_coord++;
        return 1;
    }
    return 0;
}

static struct item_methods methods_garmin_search = {
    coord_rewind,
    search_coord_get,
    attr_rewind,
    search_attr_get,
};


static struct item *garmin_poi2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype) {
    if (mr->mpriv->conv) {
        int mask = gar_object_group(o) << G2N_KIND_SHIFT;
        mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POINT|mask, otype);
    }
    mr->item.meth = &methods_garmin_point;
    return &mr->item;
}

static struct item *garmin_pl2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype) {
    if (mr->mpriv->conv) {
        int mask = gar_object_group(o) << G2N_KIND_SHIFT;
        mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POLYLINE|mask, otype);
    }
    mr->item.meth = &methods_garmin_poly;
    return &mr->item;
}

static struct item *garmin_pg2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype) {
    if (mr->mpriv->conv) {
        int mask = gar_object_group(o) << G2N_KIND_SHIFT;
        mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POLYGONE|mask, otype);
    }
    mr->item.meth = &methods_garmin_poly;
    return &mr->item;
}

static struct item *garmin_srch2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype) {
    mr->item.type = type_country_label;
    mr->item.meth = &methods_garmin_search;
    return &mr->item;
}

static struct item *garmin_obj2item(struct map_rect_priv *mr, struct gobject *o) {
    unsigned short otype;
    otype = gar_obj_type(o);
    mr->item.type = type_none;
    switch (o->type) {
    case GO_POINT:
        return garmin_poi2item(mr, o, otype);
    case GO_POLYLINE:
        return garmin_pl2item(mr, o, otype);
    case GO_POLYGON:
        return garmin_pg2item(mr, o, otype);
    case GO_ROAD:
        return garmin_pl2item(mr, o, otype);
#if 0
    case GO_SEARCH:
        return garmin_srch2item(mr, o, otype);
#endif
    default:
        dlog(1, "Unknown garmin object type:%d\n",
             o->type);
    }
    return NULL;
}

static struct item *gmap_rect_get_item_byid(struct map_rect_priv *mr, int id_hi, int id_lo) {
    struct gobject *o;
    o = mr->objs = gar_get_object_by_id(mr->mpriv->g, id_hi, id_lo);
    if (!o) {
        dlog(1, "Can not find object\n");
        return NULL;
    }

    mr->item.id_hi = id_hi;
    mr->item.id_lo = id_lo;
    mr->item.priv_data = o;
    mr->item.type = type_none;
    o->priv_data = mr;
    if (!garmin_obj2item(mr, o))
        return NULL;
    return &mr->item;
}

static struct item *gmap_rect_get_item(struct map_rect_priv *mr) {
    struct gobject *o;
    if (!mr->objs)
        return NULL;
    if (!mr->cobj)
        return NULL;
    // mr->cobj = mr->objs;
    o = mr->cobj;
//	dlog(1, "gi:o=%p\n", o);
    mr->cobj = mr->cobj->next;
    if (o) {
        mr->item.id_hi = gar_object_mapid(o);
        mr->item.id_lo = gar_object_index(o);
        mr->item.priv_data = o;
        mr->item.type = type_none;
        o->priv_data = mr;
        if (!garmin_obj2item(mr, o))
            return NULL;
        return &mr->item;
    }
    return NULL;
}

#define max(a,b) ((a) > (b) ? (a) : (b))
struct nl2gl_t {
    int g;
    int bits;
    char *descr;
};

struct nl2gl_t nl2gl_1[] = {
    { /* 0 */  .g = 12, .descr = "0-120m", },
    { /* 1 */  .g = 11, .descr = "0-120m", },
    { /* 2 */  .g = 10, .descr = "0-120m", },
    { /* 3 */  .g = 9, .descr = "0-120m", },
    { /* 4 */  .g = 8, .descr = "0-120m", },
    { /* 5 */  .g = 7, .descr = "0-120m", },
    { /* 6 */  .g = 6, .descr = "0-120m", },
    { /* 7 */  .g = 5, .descr = "0-120m", },
    { /* 8 */  .g = 4, .descr = "0-120m", },
    { /* 9 */  .g = 4, .descr = "0-120m", },
    { /* 10 */ .g = 3, .descr = "0-120m", },
    { /* 11 */ .g = 3, .descr = "0-120m", },
    { /* 12 */ .g = 2, .descr = "0-120m", },
    { /* 13 */ .g = 2, .descr = "0-120m", },
    { /* 14 */ .g = 2, .descr = "0-120m", },
    { /* 15 */ .g = 1, .descr = "0-120m", },
    { /* 16 */ .g = 1, .descr = "0-120m", },
    { /* 17 */ .g = 1, .descr = "0-120m", },
    { /* 18 */ .g = 0, .descr = "0-120m", },
};

struct nl2gl_t nl2gl[] = {
    { /* 0 */  .g = 9, .descr = "0-120m", },
    { /* 1 */  .g = 9, .descr = "0-120m", },
    { /* 2 */  .g = 8, .descr = "0-120m", },
    { /* 3 */  .g = 8, .descr = "0-120m", },
    { /* 4 */  .g = 7, .descr = "0-120m", },
    { /* 5 */  .g = 7, .descr = "0-120m", },
    { /* 6 */  .g = 6, .descr = "0-120m", },
    { /* 7 */  .g = 6, .descr = "0-120m", },
    { /* 8 */  .g = 5, .descr = "0-120m", },
    { /* 9 */  .g = 5, .descr = "0-120m", },
    { /* 10 */ .g = 4, .descr = "0-120m", },
    { /* 11 */ .g = 4, .descr = "0-120m", },
    { /* 12 */ .g = 3, .descr = "0-120m", },
    { /* 13 */ .g = 3, .descr = "0-120m", },
    { /* 14 */ .g = 2, .descr = "0-120m", },
    { /* 15 */ .g = 2, .descr = "0-120m", },
    { /* 16 */ .g = 1, .descr = "0-120m", },
    { /* 17 */ .g = 1, .descr = "0-120m", },
    { /* 18 */ .g = 0, .descr = "0-120m", },
};

static int get_level(struct map_selection *sel) {
    return sel->order;
}

static int garmin_get_selection(struct map_rect_priv *map, struct map_selection *sel) {
    struct gar_rect r;
    struct gmap *gm;
    struct gobject **glast = NULL;
    int rc;
    int sl, el;
    int level = 0; // 18;	/* max level for maps, overview maps can have bigger
    /* levels we do not deal w/ them
    */
    int flags = 0;
    if (sel && sel->range.min == type_street_0 && sel->range.max == type_ferry) {
        // Get all roads
        flags = GO_GET_ROUTABLE;
    } else if (sel)
        flags = GO_GET_SORTED;

    if (sel) {
        r.lulat = sel->u.c_rect.lu.y;
        r.lulong = sel->u.c_rect.lu.x;
        r.rllat = sel->u.c_rect.rl.y;
        r.rllong = sel->u.c_rect.rl.x;
        level = get_level(sel);
//		level = nl2gl[level].g;
        dlog(2, "Looking level=%d for %f %f %f %f\n",
             level, r.lulat, r.lulong, r.rllat, r.rllong);
    }
    gm = gar_find_subfiles(map->mpriv->g, sel ? &r : NULL, flags);
    if (!gm) {
        if (sel) {
            dlog(1, "Can not find map data for the area: %f %f %f %f\n",
                 r.lulat, r.lulong, r.rllat, r.rllong);
        } else {
            dlog(1, "Can not find map data\n");
        }
        return -1;
    }
    sl = (18-gm->zoomlevels)/2;
    el = sl + gm->zoomlevels;
    if (level < sl)
        level = sl;
    if (level > el)
        level = el;
    level = level - sl;
    level = gm->basebits + level;
    dlog(3, "sl=%d el=%d level=%d\n", sl, el, level);
    map->gmap = gm;
    glast = &map->objs;
    while (*glast) {
        if ((*glast)->next) {
            *glast = (*glast)->next;
        } else
            break;
    }
    rc = gar_get_objects(gm, level, sel ? &r : NULL, glast, flags);
    if (rc < 0) {
        dlog(1, "Error loading objects\n");
        return -1;
    }
    map->cobj = map->objs;
    dlog(2, "Loaded %d objects\n", rc);
    return rc;
}
// Can not return NULL, navit segfaults
static struct map_rect_priv *gmap_rect_new(struct map_priv *map, struct map_selection *sel) {
    struct map_selection *ms = sel;
    struct map_rect_priv *mr;

    if (!map)
        return NULL;
    mr = calloc(1, sizeof(*mr));
    if (!mr)
        return mr;
    mr->mpriv = map;
    if (!sel) {
        return mr;
    } else {
        while (ms) {
            dlog(2, "order %d\n", ms->order);
            if (garmin_get_selection(mr, ms) < 0) {
                //	free(mr);
                //	return NULL;
            }
            ms = ms->next;
        }
    }
    return mr;
}

static void gmap_rect_destroy(struct map_rect_priv *mr) {
    dlog(11,"destroy maprect\n");
    if (mr->gmap)
        gar_free_gmap(mr->gmap);
    if (mr->objs)
        gar_free_objects(mr->objs);
    if (mr->label)
        free(mr->label);
    free(mr);
}

static void gmap_search_destroy(struct map_search_priv *ms) {
    gmap_rect_destroy((struct map_rect_priv *)ms);
}

static void gmap_destroy(struct map_priv *m) {
    dlog(5, "garmin_map_destroy\n");
    if (m->g)
        gar_free(m->g);
    if (m->filename)
        free(m->filename);
    free(m);
}

static struct map_methods map_methods = {
    projection_garmin,
    "utf-8",
    gmap_destroy,
    gmap_rect_new,
    gmap_rect_destroy,
    gmap_rect_get_item,
    gmap_rect_get_item_byid,
    gmap_search_new,
    gmap_search_destroy,
    NULL,
};

static struct map_priv *gmap_new(struct map_methods *meth, struct attr **attrs, struct callback_list *cbl) {
    struct map_priv *m;
    struct attr *data;
    struct attr *debug;
    struct attr *flags;
    char buf[PATH_MAX];
    struct stat st;
    int dl = 1;
    struct gar_config cfg;
    int debugmask = 0;

    data=attr_search(attrs, NULL, attr_data);
    if (! data)
        return NULL;
    debug=attr_search(attrs, NULL, attr_debug);
    if (debug) {
        dl = atoi(debug->u.str);
        if (!dl)
            dl = 1;
    }
    flags=attr_search(attrs, NULL, attr_flags);
    if (flags) {
        debugmask = flags->u.num;
    }
    m=g_new(struct map_priv, 1);
    m->id=++map_id;
    m->filename = strdup(data->u.str);
    if (!m->filename) {
        g_free(m);
        return NULL;
    }
    memset(&cfg, 0, sizeof(struct gar_config));
    cfg.opm = OPM_GPS;
    cfg.debuglevel = dl;
    cfg.debugmask = debugmask;
    garmin_debug = dl;
    m->g = gar_init_cfg(NULL, logfn, &cfg);
    if (!m->g) {
        g_free(m->filename);
        g_free(m);
        return NULL;
    }
    // we want the data now, later we can load only what's necessery
    if (gar_img_load(m->g, m->filename, 1) < 0) {
        gar_free(m->g);
        g_free(m->filename);
        g_free(m);
        return NULL;
    }
    m->conv = NULL;
    snprintf(buf, sizeof(buf), "%s.types", m->filename);
    if (!stat(buf, &st)) {
        dlog(1, "Loading custom types from %s\n", buf);
        m->conv = g2n_conv_load(buf);
    }
    if (!m->conv) {
        dlog(1, "Using builtin types\n");
        m->conv = g2n_default_conv();
    }
    if (!m->conv) {
        dlog(1, "Failed to load map types\n");
    }
    *meth=map_methods;
    return m;
}

void plugin_init(void) {
    plugin_register_category_map("garmin", gmap_new);
}