# Nasal files to be loaded at start

# the order could be important as some files need other one to be loaded first

files_to_load = [

    'lib.nas',     # some useful functions, should stay first loaded

    'radios.nas',  # all about radios COMM, NAV, XPDR

    'knobs.nas',   # handles knobs

    'buttons.nas', # handles knobs and buttons

    'softkeys.nas',# handles softkeys and menus items

    'maps/route.nas',

    'maps/navaids.nas',

    'maps/tiles.nas',

    'maps/tcas.nas',

    'maps/topo.nas',

    'map.nas',     # moves the maps

    'display.nas',

    'menu.nas',    # manage windows

    'core.nas',    # the scheduler and switch on button

    'afcs.nas',    # Automatic Flight Control System

];

#    'routes.nas',  # manages flightplans and routes

#    'display.nas', # display messages and popups

#    'infos.nas',   # get informations from environment

#    'alerts.nas',  # in flight tests

#    'mud.nas',     # displays simple embedded GUI (Multi-Use Display)

var flightdeck = {};

var autopilot = {};

var units = {

    speed : {

        from_kt  : 1,

        from_kmh : MPS2KT * 3.6,

    },

    altitude : {

        from_ft : 1,

        from_m  : M2FT,

    },

    vspeed : {

        from_fpm : 1,

        from_mpm : M2FT,

    },

    distance : {

        from_m : M2NM / 1000,

        from_nm : 1,

    },

    temperature : {

        from_C : func (c) return c,

        from_F : func (f) return (f -32) / 1.8,

    },

    volume: {

        from_l: 1,

        from_gal: 3.78541178,

        from_m3: 1000,

    },

};

var data = { # set of data common to all devices

    roll : 0,

    pitch : 0,

    vsi : 0,

    ias : 0,

    alt : 0,

    hdg : 0,

    wow : 1,

    lat : 0,

    lon : 0,

    aoa : 0,

    time : '23:59:59',

    fpSize : 0,

    tcas: [],

    tcas_level: 0,

    settings: {

        units: {

            pressure: 'inhg',

            altitude: 'ft',

            speed: 'knots',

            distance: 'nm',

            vertical: 'fpm',

        },

        time: {

            label: 'GMT',

            actual: '  GMT >',

        },

    },

    timers : {

        '20Hz': maketimer (

            0.05,

            func {

                data.roll = getprop('/orientation/roll-deg');

                data.pitch = getprop('orientation/pitch-deg');

                data.vsi = getprop('/instrumentation/vertical-speed-indicator/indicated-speed-fpm') * units.vspeed.from_fpm;

                data.ias = getprop('/velocities/airspeed-kt') * units.speed.from_kt;

                data.alt = getprop('/instrumentation/altimeter/indicated-altitude-ft') * units.altitude.from_ft;

                data.hdg = getprop('/orientation/heading-deg');

                data.aoa = getprop('/orientation/alpha-deg');

            }

        ),

        '1Hz': maketimer (

            1,

            func {

                data.wow = getprop('/gear/gear/wow');

                data.lat = getprop('/position/latitude-deg');

                data.lon = getprop('/position/longitude-deg');

            }

        ),

    },

    listeners : {},

};

var zkv = cdi = radios = alerts = infos = cursors = afcs = eis = misc = nil;

var init_props = func {

    zkv = props.globals.getNode('/instrumentation/zkv1000',1);

    foreach (var d; zkv.getChildren())

        if (d.getNode('status') != nil)

            flightdeck[d.getName()] = nil;

    zkv.getNode('emission',1).setDoubleValue(0.5);

    zkv.getNode('body-emission',1).setDoubleValue(0.0);

    zkv.getNode('body-texture',1).setValue('');

    zkv.getNode('display-brightness-norm',1).setDoubleValue(0.5);

    zkv.getNode('lightmap',1).setIntValue(0);

    if (zkv.getNode('size-factor').getValue() == nil)

        zkv.getNode('size-factor',1).setDoubleValue(1.0);

    if (zkv.getValue('flightplans') != nil and io.stat(zkv.getValue('flightplans')) == "dir")

        data.flightplans = zkv.getValue('flightplans');

    else

        data.flightplans = getprop('/sim/fg-home') ~ '/Export';

    radios = zkv.getNode('radios', 1);

    radios.getNode('nav1-selected',1).setIntValue(0);

    radios.getNode('nav1-standby',1).setIntValue(0);

    radios.getNode('nav2-selected',1).setIntValue(0);

    radios.getNode('nav2-standby',1).setIntValue(0);

    radios.getNode('nav-tune',1).setIntValue(0);

    radios.getNode('nav-freq-mhz',1).alias('/instrumentation/nav/frequencies/standby-mhz');

    radios.getNode('comm1-selected',1).setIntValue(1);

    radios.getNode('comm2-selected',1).setIntValue(0);

    radios.getNode('comm-tune',1).setIntValue(0);

    radios.getNode('comm-freq-mhz',1).alias('/instrumentation/comm/frequencies/standby-mhz');

    radios.getNode('xpdr-mode',1).setValue('GND');

    radios.getNode('brg1-source',1).setValue('OFF');

    radios.getNode('brg2-source',1).setValue('OFF');

    cdi = zkv.getNode('cdi', 1);

    cdi.getNode('source', 1).setValue('OFF');

    cdi.getNode('no-flag', 1).setBoolValue(0);

    cdi.getNode('FROM-flag', 1).alias('no-flag');

    cdi.getNode('TO-flag', 1).alias('no-flag');

    cdi.getNode('course', 1);

    cdi.getNode('course-deflection', 1);

    cdi.getNode('radial', 1);

    cdi.getNode('in-range', 1);

    alerts = zkv.getNode('alerts',1);

    alerts.getNode('traffic-proximity',1).setIntValue(0);

    alerts.getNode('marker-beacon', 1).setIntValue(0);

    alerts.getNode('warning', 1).setBoolValue(0);

    alerts.getNode('alert', 1).setBoolValue(0);

    alerts.getNode('message', 1).setValue('');

    foreach (var v; ['Vx', 'Vy', 'Vr', 'Vglide', 'Vne']) {

        var speed = alerts.getValue(v) * units.speed.from_kt;

        data[v] = speed != nil ? speed : 9999;

    }

    var aoa = alerts.getValue('stall-aoa');

    data['stall-aoa'] = (aoa == nil or aoa == 0) ? 9999 : aoa;

    aoa = alerts.getValue('approach-aoa');

    if (aoa != nil)

        data['approach-aoa'] = aoa;

    afcs = zkv.getNode('afcs',1);

    afcs.getNode('fd-bars-visible',1).setBoolValue(0);

    afcs.getNode('alt-bug-visible',1).setBoolValue(0);

    afcs.getNode('heading-bug-deg',1).setDoubleValue(int(getprop('/orientation/heading-magnetic-deg')));

    afcs.getNode('target-pitch-deg',1).setDoubleValue(0.0);

    afcs.getNode('selected-alt-ft',1).setIntValue(2000);

    afcs.getNode('selected-alt-ft-diff',1).setDoubleValue(0.0);

    afcs.getNode('selected-ias-kt-diff',1).setDoubleValue(0.0);

    afcs.getNode('vertical-speed-fpm',1).setDoubleValue(0.0);

    afcs.getNode('roll-armed', 1).setBoolValue(0);

    afcs.getNode('pitch-armed', 1).setBoolValue(0);

    afcs.getNode('roll-armed-mode-text',1).setValue('');

    afcs.getNode('roll-active-mode-text',1).setValue('');

    afcs.getNode('roll-armed-mode',1).setIntValue(0);

    afcs.getNode('roll-active-mode',1).setIntValue(0);

    afcs.getNode('roll-active-mode-blink',1).setBoolValue(0);

    afcs.getNode('pit-armed-mode-text',1).setValue('');

    afcs.getNode('pit-active-mode-text',1).setValue('');

    afcs.getNode('pit-armed-mode',1).setIntValue(0);

    afcs.getNode('pit-active-mode',1).setIntValue(0);

    afcs.getNode('pit-active-mode-blink',1).setBoolValue(0);

    afcs.getNode('route',1);

    data.flightplans = getprop('/sim/fg-home') ~ '/Export';

    misc = zkv.getNode('misc',1);

    misc.getNode('alt-setting-inhg',1).setDoubleValue(getprop('/instrumentation/altimeter/setting-inhg'));

    eis = zkv.getNode('eis',1);

    eis.getNode('fuel-qty-at-start', 1).setValue(

        getprop('/consumables/fuel/tank/level-gal_us')

      + getprop('/consumables/fuel/tank/level-gal_us'));

    var tiles_defaults = {

        # see https://www.wikimedia.org/wiki/Maps

        server: 'maps.wikimedia.org',

        type:   'osm-intl',

        apikey: '',

        format: 'png',

        template: 'https://{server}/{type}/{z}/{x}/{y}.{format}{apikey}',

    };

    foreach (var v; keys(tiles_defaults)) {

        var val = getprop('/sim/online-tiles-' ~ v);

        data['tiles-' ~ v] = val != nil ? val : tiles_defaults[v];

    }

    props.globals.getNode('/instrumentation/transponder/id-code',1).setIntValue(1200);

    props.globals.getNode('/instrumentation/transponder/serviceable',1).setBoolValue(1);

    props.globals.getNode('/autopilot/settings/heading-bug-deg', 1).alias(afcs.getNode('heading-bug-deg').getPath());

    props.globals.getNode('/autopilot/settings/target-alt-ft',1).alias(afcs.getNode('selected-alt-ft').getPath());

    props.globals.getNode('/autopilot/settings/target-speed-kt',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/settings/vertical-speed-fpm',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/internal/target-pitch-deg',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/internal/flc-altitude-pitch-deg',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/internal/flc-airspeed-pitch-deg',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/internal/target-roll-deg',1).setDoubleValue(0.0);

    props.globals.getNode('/autopilot/locks/pitch',1).setValue('');

    props.globals.getNode('/autopilot/locks/roll',1).setValue('');

    props.globals.getNode('/autopilot/locks/passive-mode', 1).setIntValue(1);

    data.zkv1000_reldir = io.dirname(getprop('/nasal/zkv1000/file'));

    data.zkv1000_dir = string.normpath(

            io.dirname(getprop('/sim/aircraft-dir'))

            ~ '/'

            ~ string.replace(data.zkv1000_reldir, split('/', data.zkv1000_reldir)[0], '')

        ) ~ '/';

}

var load_nasal = func {

    var nasal_dir = data.zkv1000_dir ~ 'Nasal/';

    for (var i = 0; i < size(files_to_load); i += 1)

        io.load_nasal(nasal_dir ~ files_to_load[i], 'zkv1000');

    files_to_load = nil;

}

var load_multikey = func {

    fgcommand('loadxml', props.Node.new({

        'filename': data.zkv1000_dir ~ 'Systems/multikey.xml',

        'targetnode': '/input/keyboard/'

    }));

    multikey.init();

}

var load_settings = func {

    var settings_file = getprop('/sim/fg-home') ~ '/aircraft-data/zkv1000.xml';

    if (io.stat(settings_file) != nil) {

        fgcommand('loadxml', props.Node.new({ filename: settings_file, targetnode: zkv.getNode('save', 1).getPath() }));

        var xmlsettings = zkv.getNode('save/' ~ getprop('/sim/aircraft'));

        if (xmlsettings != nil) {

            foreach (var domain; keys(units))

                foreach (var from; keys(units[domain])) {

                    if (xmlsettings.getNode(domain) != nil) {

                        var unit_value = xmlsettings.getNode(domain).getValue(from);

                        if (unit_value != nil) {

                            if (typeof(units[domain][from]) == 'scalar')

                                units[domain][from] = unit_value;

                            if (typeof(units[domain][from]) == 'func') {

                                units[domain][from] = compile(unit_value);

                                units[domain][from](0);

                            }

                        }

                    }

                }

            data.settings.units.pressure = xmlsettings.getNode('pressure').getValue();

        }

        zkv.getNode('save').remove();

        foreach (var v; ['Vx', 'Vy', 'Vr', 'Vglide', 'Vne']) {

            var speed = alerts.getValue(v) * units.speed.from_kt;

            data[v] = speed != nil ? speed : 9999;

        }

    }

}

var zkv1000_init = func {

    removelistener(init);

    init_props();

    load_settings();

    load_multikey();

    load_nasal();

    msg('loaded');

    if (zkv.getValue('auto-power')) {

        var prop = zkv.getNode('serviceable',1).getPath();

        data.listeners[prop] = setlistener(prop, zkv1000.powerOn, 0, 0);

    }

}

var init = setlistener('/sim/signals/fdm-initialized', zkv1000_init, 0, 0);