// path painter topology overlay - client side
//
// This is the glue that binds our business logic (in ppTopovDemo.js)
// to the overlay framework.

(function () {
    'use strict';

    // injected refs
    var $log, tov, pps;

    // internal state should be kept in the service module (not here)
    var selection;

    // our overlay definition
    var overlay = {
        // NOTE: this must match the ID defined in AppUiTopovOverlay
        overlayId: 'pp-overlay',
        glyphId: 'topo',
        tooltip: 'Path Painter Topo Overlay',

        activate: function () {
            $log.debug("Path painter topology overlay ACTIVATED");
        },
        deactivate: function () {
            pps.clear();
            $log.debug("Path painter topology overlay DEACTIVATED");
        },
        // These glyphs get installed using the overlayId as a prefix.
        // e.g. 'src' is installed as 'pp-overlay-src'
        // They can be referenced (from this overlay) as '*src'
        // That is, the '*' prefix stands in for 'pp-overlay-'
        glyphs: {
            src: {
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            },
            dst: {
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            },
            jp: {
                vb: '0 0 110 110',
                d: 'M84.3,89.3L58.9,64.2l-1.4,1.4L83,90.7L84.3,89.3z M27,7.6H7.4v19.2H27V7.6z' +
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            },
            djp: {
                vb: '0 0 110 110',
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            },
            geo: {
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            }
        },

        // detail panel button definitions
        buttons: {
            src: {
                gid: '*src',
                tt: 'Set source node',
                cb: function (data) {
                    $log.debug('Set src action invoked with data:', data);
                    pps.setSrc(selection);
                }
            },
            dst: {
                gid: '*dst',
                tt: 'Set destination node',
                cb: function (data) {
                    $log.debug('Set dst action invoked with data:', data);
                    pps.setDst(selection);
                }
            }
        },

        // Key bindings for traffic overlay buttons
        // NOTE: fully qual. button ID is derived from overlay-id and key-name
        // FIXME: find better keys for shortest paths & disjoint paths modes
        keyBindings: {
            openBracket: {
                cb: function () {
                    pps.setSrc(selection);
                },
                tt: 'Set source node',
                gid: '*src'
            },
            closeBracket: {
                cb: function () {
                    pps.setDst(selection);
                },
                tt: 'Set destination node',
                gid: '*dst'
            },
            3: {
                cb: function () {
                    pps.swapSrcDst();
                },
                tt: 'Swap source and destination nodes',
                gid: 'refresh'
            },
            4: {
                cb: function () {
                    pps.setMode("shortest");
                },
                tt: 'Set shortest paths mode',
                gid: '*jp'
            },
            5: {
                cb: function () {
                    pps.setMode("disjoint");
                },
                tt: 'Set disjoint paths mode',
                gid: '*djp'
            },
            6: {
                cb: function () {
                    pps.setMode("geodata");
                },
                tt: 'Set geodata path weight mode',
                gid: '*geo'
            },
            leftArrow: {
                cb: function () {
                    pps.prevPath();
                },
                tt: 'Highlight previous path',
                gid: 'prevIntent'
            },
            rightArrow: {
                cb: function () {
                    pps.nextPath();
                },
                tt: 'Highlight next path',
                gid: 'nextIntent'
            },
            0: {
                cb: function () {
                    pps.clear();
                },
                tt: 'Clear source and destination',
                gid: 'xMark'
            },

            _keyOrder: [
                'openBracket', 'closeBracket', '3', '4', '5', '6', 'leftArrow', 'rightArrow', '0'
            ]
        },

        hooks: {
            // hook for handling escape key
            // Must return true to consume ESC, false otherwise.
            escape: function () {
                selectionCallback();
                pps.setSrc();
                pps.setDst();
            },

            // hooks for when the selection changes...
            empty: function () {
                selectionCallback();
            },
            single: function (data) {
                selectionCallback(data);
            }
        }
    };


    function buttonCallback(x) {
        $log.debug('Toolbar-button callback', x);
    }

    function selectionCallback(d) {
        $log.debug('Selection callback', d);
        selection = d;
    }

    // invoke code to register with the overlay service
    angular.module('ovPpTopov')
        .run(['$log', 'TopoOverlayService', 'PathPainterTopovService',

            function (_$log_, _tov_, _pps_) {
                $log = _$log_;
                tov = _tov_;
                pps = _pps_;
                tov.register(overlay);
            }]);

}());