# See: http://wiki.flightgear.org/MapStructure
# Class things:
var name = 'WPT-airbus';
var parents = [canvas.SymbolLayer.Controller];
var __self__ = caller(0)[0];

canvas.SymbolLayer.Controller.add(name, __self__);
canvas.SymbolLayer.add(name, {
	parents: [canvas.MultiSymbolLayer],
	type: name, # Symbol type
	df_controller: __self__, # controller to use by default -- this one
	df_options: { # default configuration options
		fix_symbol: func(group){
			group.createChild('path')
			.moveTo(-10,0)
			.lineTo(0,-17)
			.lineTo(10,0)
			.lineTo(0,17)
			.close()
			.setStrokeLineWidth(3)
			.setColor(1,1,1)
			.setScale(1);
		},
		vor_symbol: 'Nasal/canvas/map/Airbus/Images/airbus_vor.svg',
		airport_symbol: 'Nasal/canvas/map/Airbus/Images/airbus_airport.svg',
		ndb_symbol: func(group){
			group.createChild('path')
			.moveTo(-15,15)
			.lineTo(0,-15)
			.lineTo(15,15)
			.close()
			.setStrokeLineWidth(3)
			#.setColor(0.69,0,0.39)
			#.setTranslation(-24, -24),
			.setScale(1,1);
		}
	},
	df_style: {
		active_wp_color: [0.4,0.7,0.4],
		current_wp_color: [1,1,1],
		translation: {
			'airport': [-24,-24],
			'vor': [-24,-24]
		}
	},
	toggle_cstr: 0
});

var new = func(layer) {
	var m = {
		parents: [__self__],
		layer: layer,
		map: layer.map,
		listeners: [],
	};
	layer.searcher._equals = func(a,b) a.equals(b);
	var driver = opt_member(m.layer.options, 'route_driver');
	if(driver == nil){
		driver = A3XXRouteDriver.new();
	}
	var driver_listeners = driver.getListeners();
	foreach(var listener; driver_listeners){
		append(m.listeners, setlistener(listener, func m.layer.update()));
	}
	m.route_driver = driver;
	return m;
};

var del = func() {
	foreach (var l; me.listeners)
		removelistener(l);
};

var WPTModel = {
	new: func(fp, idx) {
		var m = { parents:[WPTModel] };
		var wp = fp.getWP(idx);

		m.id = wp.id;
		m.name = wp.wp_name;
		m.alt = wp.alt_cstr;
		m.spd = wp.speed_cstr;
		m.type = wp.wp_type;

		(m.lat,m.lon) = (wp.wp_lat,wp.wp_lon);
		var is_rwy = (m.type == 'runway');
		var id_len = size(m.id);
		if(!is_rwy and id_len < 5){
			if(id_len == 4 and airportinfo(m.id) != nil)
				m.navtype = 'airport';
			else {
				var navaid = nil;
				foreach(var t; ['vor', 'ndb']){
					navaid = navinfo(m.lat, m.lon, t, m.id);
					if(navaid != nil and size(navaid)){
						m.navtype = t;
						break;
					}
				}
				if(navaid == nil or !size(navaid)) m.navtype = 'fix';
			}
		} else {
			m.navtype = (is_rwy ? 'rwy' : 'fix');
		}
		
		m.wp = wp;
		idx = wp.index;
		m.idx = idx;
		m.is_departure = (idx == 0 and is_rwy);
		m.is_destination = (idx > 0 and is_rwy);
		return m;
	},
	equals: func(other) {
		# this is set on symbol init, so use this for equality...
		me.name == other.name and me.alt == other.alt and
		me.type == other.type and me.idx == other.idx and 
		me.navtype == other.navtype
	},
};

var searchCmd = func {
	var driver = me.route_driver;
	if(!driver.shouldUpdate()) return [];
	driver.update();
	var result = [];
	var planCount = driver.getNumberOfFlightPlans();
	for(var idx = 0; idx < planCount; idx += 1){
		var fp = driver.getFlightPlan(idx);
		if(fp == nil) continue;
		var fpSize = fp.getPlanSize(idx);
		for (var i = 0; i < fpSize; i+=1){
			if(!driver.shouldUpdate()) return[];
			append(result, WPTModel.new(fp, i));
		}
	}
	return result;
}