/* To wrap a player the develop should create a new class derived from 

   the IriSP.PopcornReplacement.player and defining the correct functions */

/** jwplayer player wrapper */

IriSP.PopcornReplacement.htmlMashup = function(container, options, metadata) {

    /* appel du parent pour initialiser les structures communes à tous les players */

    IriSP.PopcornReplacement.player.call(this, container, options);

    this.mashup = metadata.currentMedia;

    this.$ = IriSP.jQuery(container);

    var _w = this.$.width(),

        _h = this.$.height(),

        _this = this;

    IriSP._(metadata.currentMedia.medias).each(function(_media) {

        var _tmpId = Popcorn.guid("video"),

            _videoEl = IriSP.jQuery('<video>'),

            _videoUrl = _media.video;

        if (typeof options.url_transform === "function") {

            _videoUrl = options.url_transform(_videoUrl);

        }

        _videoEl

            .attr({

                src : _videoUrl,

                id : _tmpId,

                width : _w,

                height : _h

            })

            .css({

                position: "absolute",

                top: 0,

                left: 0

            });

        _this.$.append(_videoEl);

        _media.videoEl = _videoEl;

        _media.popcorn = Popcorn("#" + _tmpId);

        _media.loadedMetadata = false;

        _media.popcorn.on("loadedmetadata", function() {

            _media.loadedMetadata = true;

            var _allLoaded = true;

            for (var _i = 0; _i < metadata.currentMedia.medias.length; _i++) {

                _allLoaded = _allLoaded && metadata.currentMedia.medias[_i].loadedMetadata;

            }

            if (_allLoaded) {

                _this.changeCurrentAnnotation();

                _this.trigger("loadedmetadata");

            }

        });

        _media.popcorn.on("timeupdate", function() {

            if (!_this.media.paused && _media === _this.currentMedia) {

                var _time = Math.round( 1000 * _media.popcorn.currentTime() );

//                var _status = "Timeupdate from " + _media.id + " at time " + _time;

                if ( _time < _this.segmentEnd ) {

                    if ( _time >= _this.segmentBegin ) {

                        _this.timecode = _time - _this.timedelta;

//                        _status += " within segment";

                    } else {

                        _this.timecode = _this.segmentBegin - _this.timedelta;

                        _media.popcorn.currentTime(_this.segmentBegin / 1000);

//                        _status += " before segment";

                    }

                } else {

                    _this.timecode = _this.segmentEnd - _this.timedelta;

                    _media.popcorn.pause();

                    _this.changeCurrentAnnotation();

//                    _status += " after segment";

                }

//                _status += " (" + _this.segmentBegin + " to " + _this.segmentEnd + ")" + ", translated to " + _this.timecode;

//                console.log(_status);

                _this.trigger("timeupdate");

            }

        });

    });

    this.timecode = 0;

  /* Définition des fonctions de l'API */

    this.playerFns = {

        play: function() {

            _this.changeCurrentAnnotation();

        },

        pause: function() {

            _this.currentMedia.popcorn.pause();

        },

        getPosition: function() {

            return _this.timecode / 1000;

        },

        seek: function(pos) {

            _this.timecode = Math.round(pos * 1000);

            _this.changeCurrentAnnotation();

        },

        getMute: function() {

            var _res = (

                typeof _this.currentMedia !== "undefined"

                ? _this.currentMedia.popcorn.muted()

                : false

            );

            return _res;

        },

        setMute: function(p) {

            var _mute = !!p;

            for (var _i = 0; _i < _this.mashup.medias.length; _i++) {

                _this.mashup.medias[_i].popcorn.muted(_mute);

            }

        },

        getVolume: function() {

            var _res = (

                typeof _this.currentMedia !== "undefined"

                ? _this.currentMedia.popcorn.volume()

                : .5

            );

            return _res;

        },

        setVolume: function(_vol) {

            for (var _i = 0; _i < _this.mashup.medias.length; _i++) {

                _this.mashup.medias[_i].popcorn.volume(_vol);

            }

        }

    }

};

IriSP.PopcornReplacement.htmlMashup.prototype = new IriSP.PopcornReplacement.player("", {});

IriSP.PopcornReplacement.htmlMashup.prototype.changeCurrentAnnotation = function() {

    var _annotation = this.mashup.getAnnotationAtTime( this.timecode );

    if (typeof _annotation == "undefined") {

        if (typeof this.currentMedia !== "undefined") {

            this.currentMedia.popcorn.pause();

            if (!this.media.paused) {

                this.media.paused = true;

                this.trigger("pause");

            }

        }

        return;

    }

    if (_annotation !== this.currentAnnotation) {

        this.currentAnnotation = _annotation;

        this.segmentBegin = this.currentAnnotation.annotation.begin.milliseconds;

        this.segmentEnd = this.currentAnnotation.annotation.end.milliseconds;

        this.timedelta = this.segmentBegin - this.currentAnnotation.begin.milliseconds;

        this.currentMedia = this.currentAnnotation.getMedia();

        for (var _i = 0; _i < this.mashup.medias.length; _i++) {

            if (this.mashup.medias[_i].id !== this.currentMedia.id) {

                this.mashup.medias[_i].videoEl.hide();

                this.mashup.medias[_i].popcorn.pause();

            } else {

                this.mashup.medias[_i].videoEl.show();

            }

        }

/* PRELOADING */

        var _this = this,

            _preloadedMedias = [],

            _toPreload = this.mashup.getAnnotations().filter(function(_a) {

            return (_a.begin >= _this.currentAnnotation.end && _a.getMedia().id !== _this.currentMedia.id);

        });

        IriSP._(_toPreload).each(function(_a) {

            var _media = _a.getMedia();

            if (IriSP._(_preloadedMedias).indexOf(_media.id) === -1) {

                _preloadedMedias.push(_media.id);

                _media.popcorn.currentTime(_a.annotation.begin.getSeconds());

                //console.log("Preloading ", _media.id, " at t=", _a.annotation.begin.getSeconds());

            }

        });

//        console.log("Changed segment: media="+ this.currentMedia.id + ", from=" + this.segmentBegin + " to=" + this.segmentEnd +", timedelta = ", this.timedelta)

//    } else {

//        console.log("changeCurrentAnnotation called, but segment hasn't changed");

    }

    if (this.currentMedia.popcorn.readyState()) {

        this.currentMedia.popcorn.currentTime( (this.timecode + this.timedelta) / 1000);

        this.trigger("timeupdate");

    }

    if (!this.media.paused) {

        this.currentMedia.popcorn.play();

    }

}