var main_loop_id = 0;

var loop_check_functions_max_index = 0;

var loop_check_functions = [];

var device = [nil, nil];

var deviceClass = {};

var init_main_loop = func {

    loop_check_functions = [

        pfdCursors,

        checkTrafficProximity,

        checkMarkerBaecon,

        device[0] == nil ? void : func { moveMap (0) },

        checkRollAcquisition,

        checkPitchAcquisition,

        pfdCursors,

        computeAltitudeDiff,

        computeAirspeedDiff,

        device[1] == nil ? void : func { moveMap(1) },

        checkAlerts,

    ];

    loop_check_functions_max_index = size(loop_check_functions);

}

var main_loop = func () {

    getData();

    FLCcomputation();

    loop_check_functions[main_loop_id]();

    main_loop_id += 1;

    if (main_loop_id == loop_check_functions_max_index) main_loop_id = 0;

    settimer(main_loop, 0);

}

# les listeners triggent en permanence sur les fréquences...

var setListeners = func {

    setlistener('/instrumentation/nav/nav-id',

            func (n) {

                var val = n.getValue();

                device[0].display.updateNAV({'nav-id': 1, val: val});

                device[0].display.updateNAV({'nav-id': 1, val: val});

            }, 1, 2);

    setlistener('/instrumentation/nav[1]/nav-id',

            func (n) {

                var val = n.getValue();

                device[0].display.updateNAV({'nav-id': 2, val: val});

                device[1].display.updateNAV({'nav-id': 2, val: val});

            }, 1, 2);

    setlistener('/instrumentation/zkv1000/radios/nav-tune',

            func (n) {

                var val = n.getValue();

                setNavTune();

                device[0].display.updateNAV({tune: val});

                device[1].display.updateNAV({tune: val});

            }, 1, 2);

    setlistener('/instrumentation/zkv1000/radios/comm-tune',

            func (n) {

                var val = n.getValue();

                setCommTune();

                device[0].display.updateCOMM({tune: val});

                device[1].display.updateCOMM({tune: val});

            }, 1, 2);

    setlistener('/instrumentation/zkv1000/afcs/heading-bug-deg',

            func (n) {

                var val = n.getValue();

                if (val != nil) {

                    device[0].display.updateHDG(val);

                    device[1].display.updateHDG(val);

                }

            }, 0, 2);

    setlistener('/instrumentation/zkv1000/device[0]/knobs/CRS',

            func (n) {

                var val = n.getValue();

                if (val != nil) {

                    device[0].display.updateCRS();

                    device[1].display.updateCRS();

                }

            }, 0, 2);

    setlistener('/instrumentation/zkv1000/afcs/selected-alt-ft',

            func (n) {

                var val = n.getValue();

                if (val != nil) {

                    if (! device[0].display.screenElements['SelectedALT'].getVisible()) {

                        device[0].display.screenElements['SelectedALT'].show();

                        device[0].display.screenElements['SelectedALT-text'].show();

                        device[0].display.screenElements['SelectedALT-symbol'].show();

                        device[0].display.screenElements['SelectedALT-bug'].show();

                        device[0].display.screenElements['SelectedALT-bg'].show();

                    }

                    device[0].display.updateSelectedALT();

                }

            }, 0, 2);

    setlistener('/gear/gear/wow',

            func device[0].display.updateXPDR(),

            0, 0);

    setlistener('/instrumentation/altimeter/setting-inhg',

            func device[0].display.updateBARO(), 0, 2);

}

var deviceClass = {

    new: func (d) {

        var m = { parents: [ deviceClass ] };

        m.role = d ? 'MFD' : 'PFD';

        m.node = zkv.getNode('device[' ~ d ~ ']', 1);

        m.display  = displayClass.new(m, m.role);

        m.display.showInitProgress(m.role);

        m.buttons  = buttonsClass.new(m.node);

        m.knobs    = knobsClass.new(m.node);

        m.softkeys = softkeysClass.new(m, m.node, m.role);

        m.display.loadsvg();

        m.display.loadGroup({

            hide : [

                'Failures',

                'SoftKeysTexts',

                'PFD-Widgets', 

                'COMM',

                'XPDR-TIME', 

                'NAV',

                'FlightInstruments', 

                'VDI',

                'OMI',

            ],

            clip : 'PitchScale',

        });

        zkv.getNode(m.role ~ 'init').setIntValue(0);

        m.setstatus(d + 1);

        msg(m.role ~ ' switched on!');

        return m;

    },

    status: 0,

    role: '',

    setstatus: func (s) {

        if (s == 1) {

        }

        elsif (s == 2) {

            me.rootmenu = 12;

            me.node.getNode('mfd-title',1).setValue('TOPO');

        }

        me.status = s;

        me.node.getNode('status', 1).setIntValue(s);

    },

    MFD: func {

        m.rootmenu = 12;

        m.newstatus(2);

        m.node.getNode('mfd-title',1).setValue('TOPO');

    },

    MENUkeyItems: {},

    set_MENUkeyItems: func {

        me.MENUkeyItems = {

            'MAIN MENU': [

                    [['ROUTE MANAGER'],   func { me.MENUsoftkey('ROUTE MANAGER') }],

                    [['GENERAL OPTIONS'], func { me.MENUsoftkey('GENERAL OPTIONS') }],

                ],

            'ROUTE MANAGER': [

                    [[sprintf('%sACTIVATE ROUTE MANAGER', getprop('/autopilot/route-manager/active') ? 'DES' : ''), ' '],

                        func { 

                            getprop('/autopilot/route-manager/route/num') or return;

                            setprop('/autopilot/route-manager/current-wp', 0);

                            var v = getprop('/autopilot/route-manager/active');

                            setprop('/autopilot/route-manager/active', !v);

                            me.mud.node.getNode('line[' ~ me.mud.selected.first_line ~ ']').setValue(sprintf('%sACTIVATE ROUTE MANAGER', v ? '' : 'DES'));

                        }],

                    [['SEARCH AIRPORT'], void],

                    [['SEARCH NAVAID'], void],

                    [['SEARCH FIX'], void],

                    [['BACK'], func { me.MENUsoftkey('MAIN MENU') }],

                ],

            'BACKLIGHT LEVEL': [

                    [['HIGH'], func { setprop('/instrumentation/zkv1000/emission', 1.0) }],

                    [['MEDIUM HIGH'], func { setprop('/instrumentation/zkv1000/emission', 0.6) }],

                    [['MEDIUM LOW'], func { setprop('/instrumentation/zkv1000/emission', 0.4) }],

                    [['LOW'], func { setprop('/instrumentation/zkv1000/emission', 0.2) }],

                    [[' ', 'BACK'], func { me.MENUsoftkey('GENERAL OPTIONS') }],

                ],

            'GENERAL OPTIONS': [

                    [['ADJUST BACKLIGHT'], func { me.MENUsoftkey('BACKLIGHT LEVEL') }],

                    [['MAX NAVAIDS SHOW'], void],

                ],

        };

    },

};

var powerOn = func {

    device[0] = deviceClass.new(0);

    device[1] = deviceClass.new(1);

    settimer(setListeners, 5);

}