/*
 * gpx_trace - zavai GPX trace functions
 *
 * Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

using GLib;

namespace zavai {
namespace ui {
namespace gps {

/*
class GPSOn(gtk.ToggleAction):
    states = [_("GPS always on"), _("GPS on when needed")]

    def __init__(self, registry, **kw):
        self.state = 0
        super(GPSOn, self).__init__("menu.main.gps.alwayson", self.states[self.state], None, None)

        self.registry = registry
        self.set_active(False)

        self.connect("toggled", self.on_toggle)

    def on_toggle(self, *args):
        self.state = (self.state + 1) % len(self.states)
        self.set_property("label", self.states[self.state])
        if self.get_active():
            self.start()
        else:
            self.stop()

    def start(self):
        self.registry.resource("gps").connect("gps", self)

    def stop(self):
        self.registry.resource("gps").disconnect("gps", self)

class GPXTracer(gtk.ToggleAction):
    states = [_("Start GPX trace"), _("Stop GPX trace")]

    def __init__(self, registry, **kw):
        self.state = 0
        super(GPXTracer, self).__init__("menu.main.gps.gpx", self.states[self.state], None, None)

        self.registry = registry
        self.set_active(False)

        self.connect("toggled", self.on_toggle)

    def on_toggle(self, *args):
        self.state = (self.state + 1) % len(self.states)
        self.set_property("label", self.states[self.state])
        if self.get_active():
            self.start()
        else:
            self.stop()

    def start(self):
        zavai.info("GPX trace started")
        self.registry.resource("gpx").connect("gpx", self)

    def stop(self):
        zavai.info("GPX trace ended")
        self.registry.resource("gpx").disconnect("gpx", self)
*/

public class Waypoint : BigButton
{
	public Waypoint()
	{
		set_label("Take waypoint");
		zavai.gps.gpx.tracking_changed += on_gpx_tracking_changed;
		clicked += on_clicked;
		set_sensitive(zavai.gps.gpx.tracking);
	}

	protected void on_gpx_tracking_changed(zavai.gps.GPX gpx, bool new_state)
	{
		stderr.printf("Toggled %d\n", (int)new_state);
		set_sensitive(new_state);
	}

	protected void on_clicked()
	{
		stderr.printf("Activate\n");
		zavai.gps.gpx.waypoint();
	}
}

/*
class GPXAudioTracer(gtk.ToggleAction):
    states = [_("Start GPX and audio trace"), _("Stop GPX and audio trace")]

    def __init__(self, registry, **kw):
        self.state = 0
        super(GPXAudioTracer, self).__init__("menu.main.gps.gpxaudio", self.states[self.state], None, None)

        self.registry = registry
        self.recorder = zavai.Recorder(registry)
        self.set_active(False)

        self.connect("toggled", self.on_toggle)

    def shutdown(self):
        self.recorder.stop()
        super(GPXAudioTracer, self).shutdown()

    def on_toggle(self, *args):
        self.state = (self.state + 1) % len(self.states)
        self.set_property("label", self.states[self.state])
        if self.get_active():
            self.start()
        else:
            self.stop()

    def start(self):
        zavai.info("GPX trace started")
        gpx = self.registry.resource("gpx")
        gpx.connect("gpx", self)
        gpx.add_activity_monitor(self.on_gpx_activity_changed)

    def stop(self):
        zavai.info("GPX trace ended")
        gpx = self.registry.resource("gpx")
        gpx.disconnect("gpx", self)
        self.recorder.stop()
        gpx.del_activity_monitor(self.on_gpx_activity_changed)

    def on_gpx_activity_changed(self, gpx, state):
        if state:
            self.recorder.start(gpx.basename + ".wav")
        else:
            self.recorder.stop()
*/

public class GPSRequestLink : Gtk.ToggleButton
{
	protected string service_name;
	protected string label_start;
	protected string label_stop;
	protected Gtk.StatusIcon status_icon;
	protected int fix_status = 0;

	public GPSRequestLink()
	{
		service_name = "gps";
		label_start = "Keep GPS on";
		label_stop = "Stop keeping GPS on";
		set_size_request(0, zavai.config.min_button_height);
		toggled += on_toggled;

		set_label(get_active() ? label_stop : label_start);

		//tooltip = "GPS status";
		try {
			fix_status = zavai.gps.gps.device.GetFixStatus();
		} catch (Error e) {
			fix_status = 0;
		}
		zavai.gps.gps.device.FixStatusChanged += on_fix_status_changed;

		// GPS status icon
		status_icon = new Gtk.StatusIcon();
		status_icon.set_visible(true);
		status_icon.activate += on_status_activate;
		update_icon();
	}

	protected void update_icon()
	{
		string name;
		if (fix_status == 2 || fix_status == 3)
			name = zavai.config.icondir + "/" + (get_active() ? "gps_fix_on.png" : "gps_fix_off.png");
		else
			name = zavai.config.icondir + "/" + (get_active() ? "gps_nofix_on.png" : "gps_nofix_off.png");
		stderr.printf("load icon from %s\n", name);
		status_icon.set_from_file(name);
	}

	private void on_fix_status_changed(dynamic DBus.Object pos, int fix_status)
	{
		this.fix_status = fix_status;
		update_icon();
	}

	private void on_toggled(Gtk.Button src)
	{
		Service s = zavai.registry.gets(service_name);
		if (get_active())
			s.request("servicerequestlink");
		else
			s.release("servicerequestlink");
		set_label(get_active() ? label_stop : label_start);
		update_icon();
	}

	private void on_status_activate()
	{
		set_active(!get_active());
	}
}

static string[] SAT_QI_NAMES;

public class SatelliteMonitor : Applet
{
	Gtk.ListStore store;
	Gtk.TreeView view;

	public SatelliteMonitor()
	{
		_label = "Satellite monitor";

		store = new Gtk.ListStore(11, typeof(string), typeof(string), typeof(string),
		              typeof(string), typeof(string), typeof(string), typeof(string),
		              typeof(string), typeof(string), typeof(string), typeof(string));
		view = new Gtk.TreeView();
		view.set_model(store);

        	var renderer = new Gtk.CellRendererText();
		view.insert_column_with_attributes(-1, "CH", renderer, "text", 0, null);
		view.insert_column_with_attributes(-1, "ID", renderer, "text", 1, null);
		view.insert_column_with_attributes(-1, "SN", renderer, "text", 2, null);
		view.insert_column_with_attributes(-1, "ELE", renderer, "text", 3, null);
		view.insert_column_with_attributes(-1, "AZI", renderer, "text", 4, null);
		view.insert_column_with_attributes(-1, "Used", renderer, "text", 5, null);
		view.insert_column_with_attributes(-1, "Diff", renderer, "text", 6, null);
		view.insert_column_with_attributes(-1, "Alm", renderer, "text", 7, null);
		view.insert_column_with_attributes(-1, "Eph", renderer, "text", 8, null);
		view.insert_column_with_attributes(-1, "Bad", renderer, "text", 9, null);
		view.insert_column_with_attributes(-1, "Status", renderer, "text", 10, null);
		pack_start(view, true, true, 0);
	}

	public override void start()
	{
		zavai.gps.monitor.sat_info += on_sat_info;
		zavai.gps.monitor.request("app.satmonitor");
	}

	public override void stop()
	{
		zavai.gps.monitor.release("app.satmonitor");
		zavai.gps.monitor.sat_info -= on_sat_info;
	}

	public void on_sat_info(PtrArray< HashTable<string, Value?> > data)
	{
		store.clear();
stderr.printf("CH ID SN ELE AZI Used Diff Alm Eph Bad Status\n");
		for (int i = 0; i < data.len; ++i)
		{
			HashTable<string, Value?> sv  = (HashTable<string, Value?>)data.pdata[i];

			Value v = sv.lookup("Flags");
			int flags = (int)v;

			v = sv.lookup("chn");
			int chn = (int)v;

			v = sv.lookup("SVID");
			int svid = (int)v;

			v = sv.lookup("CNO");
			int cno = (int)v;

			v = sv.lookup("Elev");
			int elev = (int)v;

			v = sv.lookup("Azim");
			int azim = (int)v;

			bool used = (flags & 0x01) != 0;
			bool diff = (flags & 0x02) != 0;
			bool almoreph = (flags & 0x04) != 0;
			bool eph = (flags & 0x08) != 0;
			bool bad = (flags & 0x10) != 0;
			v = sv.lookup("QI");
			string sqi = "Unknown";

			int qi = (int)v;
			if (qi < SAT_QI_NAMES.length)
				sqi = "%i: %s".printf(qi, SAT_QI_NAMES[qi]);

			Gtk.TreeIter iter;
			store.append(out iter);
			store.set(iter, "%2d".printf(chn),
					"%2d".printf(svid),
					"%2d".printf(cno),
					"%3d".printf(elev),
					"%3d".printf(azim),
					used ? "used" : "",
					diff ? "diff" : "",
					almoreph ? "alm" : "",
					eph ? "eph" : "",
					bad ? "bad" : "", sqi);
stderr.printf("%2d %2d %2d %3d %3d %d %d %d %d %d %s\n", chn, svid, cno, elev, azim, (int)used, (int)diff, (int)almoreph, (int)eph, (int)bad, sqi);
		}
    /*
    def on_ubxdebug_packet(self, clid, length, data):
        # In zhone it is cbUBXDebugPacket
        #if clid == "NAV-STATUS" and data:
        #    i = ["%s: %d" % (k, data[0][k]) for k in sorted(data[0].keys())]
        #    zavai.info("Status:", " ".join(i))
        ##    if data[0]['TTFF']:
        ##        zavai.info("TTFF: %f", data[0]['TTFF']/1000.0)
        if clid == "NAV-SVINFO":
            self.handle_ubx_sat_data(data[1:])
        #else:
        #    zavai.info("gps got ubxdebug packet", clid)
        #    zavai.info("DATA:", data)
    */

	}
}


public void init()
{
	SAT_QI_NAMES = new string[] {
		"idle",
		"searching",
		"signal acquired",
		"signal unusable",
		"code lock",
		"code&carrier lock",
		"code&carrier lock",
		"receiving data"
	};

    /*
    registry.register(GPXAudioTracer(registry))
    registry.register(GPXWaypoint(registry))
    */

    // Apps
    var window_list = new SatelliteMonitor();
    zavai.registry.register_applet("ui.gps.monitor", window_list);

    var menu_waypoint = new Waypoint();
    var menu_gpsrequest = new GPSRequestLink();
		//label_on = "Stop GPX trace";
		//label_off = "Start GPX trace";
		//label_on = "Stop GPS monitor";
		//label_off = "Start GPS monitor";
		//label_on = "Stop GPS position tracking";
		//label_off = "Start GPS position tracking";
		//label_on = "Stop keeping GPS on";
		//label_off = "Keep GPS on";

    // Menus
    var menu_gps = new zavai.Menu("GPS");
    //menu_gps.add_applet("app.debug.useless");
    menu_gps.add_service_toggle("gps.gpx", "Start GPX trace", "Stop GPX trace");
    menu_gps.add_applet("ui.gps.monitor");
    menu_gps.add_widget(menu_waypoint);
    menu_gps.add_widget(menu_gpsrequest);

    zavai.registry.register_menu("menu.gps", menu_gps);
    zavai.registry.getmenu("menu.main").add_applet("menu.gps");
}

}
}
}