/* init.js - initialization and configuration of Popcorn and the widgets

*/

if (typeof window.IriSP === "undefined") {

    IriSP = {};

}

/* The Metadataplayer Object, single point of entry, replaces IriSP.init_player */

IriSP.Metadataplayer = function(config, video_metadata) {

    IriSP.log("IriSP.Metadataplayer constructor");

    for (var key in IriSP.guiDefaults) {

        if (IriSP.guiDefaults.hasOwnProperty(key) && !config.gui.hasOwnProperty(key)) {

            config.gui[key] = IriSP.guiDefaults[key]

        }

    }

    var _container = document.getElementById(config.gui.container);

    _container.innerHTML = '<h3 class="Ldt-Loader">Loading... Chargement...</h3>';

    this.video_metadata = video_metadata;

    this.sourceManager = new IriSP.Model.Directory();

    this.config = config;

    this.callbackQueue = [];

    this.isLoaded = false;

    this.loadLibs();

}

IriSP.Metadataplayer.prototype.toString = function() {

    return 'Metadataplayer in #' + this.config.gui.container;

}

IriSP.Metadataplayer.prototype.deferCallback = function(_callback) {

    var _this = this;

    IriSP._.defer(function() {

        _callback.call(_this);

    });

}

IriSP.Metadataplayer.prototype.handleCallbacks = function() {

    this.isLoaded = true;

    while (this.callbackQueue.length) {

        this.deferCallback(this.callbackQueue.splice(0,1)[0]);

    }

}

IriSP.Metadataplayer.prototype.onLoad = function(_callback) {

    if (this.isLoaded) {

        this.deferCallback(_callback);

    } else {

        this.callbackQueue.push(_callback);

    }

}

IriSP.Metadataplayer.prototype.loadLibs = function() {

    IriSP.log("IriSP.Metadataplayer.prototype.loadLibs");

    var $L = $LAB

        .script(IriSP.getLib("underscore"))

        .script(IriSP.getLib("Mustache"))

        .script(IriSP.getLib("jQuery"))

        .script(IriSP.getLib("swfObject"))

        .wait()

        .script(IriSP.getLib("jQueryUI"));

    if (this.config.player.type === "jwplayer" || this.config.player.type === "auto") {

        $L.script(IriSP.getLib("jwplayer"));

    }

    if (this.config.player.type !== "jwplayer" && this.config.player.type !== "allocine" && this.config.player.type !== "dailymotion") {

        $L.script(IriSP.getLib("popcorn"));

    }

    /* widget specific requirements */

    for(var _i = 0; _i < this.config.gui.widgets.length; _i++) {

        var _t = this.config.gui.widgets[_i].type;

        if (typeof IriSP.widgetsRequirements[_t] !== "undefined" && typeof IriSP.widgetsRequirements[_t].requires !== "undefined") {

            $L.script(IriSP.getLib(IriSP.widgetsRequirements[_t].requires));

        }

    }

    var _this = this;

    IriSP.log($L);

    $L.wait(function() {

        _this.onLibsLoaded();

    });

}

IriSP.Metadataplayer.prototype.onLibsLoaded = function() {

    IriSP.log("IriSP.Metadataplayer.prototype.onLibsLoaded");

    if (typeof IriSP.jQuery === "undefined" && typeof window.jQuery !== "undefined") {

        IriSP.jQuery = window.jQuery.noConflict();

    }

    if (typeof IriSP._ === "undefined" && typeof window._ !== "undefined") {

        IriSP._ = window._.noConflict();

    }

    IriSP.loadCss(IriSP.getLib("cssjQueryUI"));

    IriSP.loadCss(this.config.gui.css);

    this.videoData = this.loadMetadata(this.video_metadata);

    this.$ = IriSP.jQuery('#' + this.config.gui.container);

    this.$.css({

        "width": this.config.gui.width,

        "clear": "both"

    });

    if (typeof this.config.gui.height !== "undefined") {

        this.$.css("height", this.config.gui.height);

    }

    var _this = this;

    this.videoData.onLoad(function() {

        _this.onVideoDataLoaded();

    });

}

IriSP.Metadataplayer.prototype.loadMetadata = function(_metadataInfo) {

    if (typeof _metadataInfo.serializer === "undefined" && typeof _metadataInfo.format !== "undefined") {

        _metadataInfo.serializer = IriSP.serializers[_metadataInfo.format];

    }

    if (typeof _metadataInfo.url === "undefined" && typeof _metadataInfo.src !== "undefined") {

        _metadataInfo.url = _metadataInfo.src;

    }

    if (typeof _metadataInfo.url !== "undefined" && typeof _metadataInfo.serializer !== "undefined") {

        return this.sourceManager.remoteSource(_metadataInfo);

    } else {

        return this.sourceManager.newLocalSource(_metadataInfo);

    }

}

IriSP.Metadataplayer.prototype.onVideoDataLoaded = function() {

    if (typeof this.videoData !== "undefined" && typeof this.config.player.video === "undefined") {

        var _media = this.videoData.currentMedia;

        if (typeof _media !== "undefined") {

            this.config.player.video = _media.video;

            if (typeof _media.streamer !== "undefined") {

                this.config.player.streamer = _media.streamer;

                this.config.player.video = _media.video.replace(_media.streamer,'');

            }

        }

    }

    this.configurePopcorn();

    this.widgets = [];

    var _this = this;

    for(var i = 0; i < this.config.gui.widgets.length; i++) {

        this.loadWidget(this.config.gui.widgets[i], function(_widget) {

            _this.widgets.push(_widget)

        });

    };

    this.$.find('.Ldt-Loader').detach();

    this.handleCallbacks();

}

IriSP.Metadataplayer.prototype.loadWidget = function(_widgetConfig, _callback) {

    /* Creating containers if needed */

    if (typeof _widgetConfig.container === "undefined") {

        var _divs = this.layoutDivs(_widgetConfig.type);

        _widgetConfig.container = _divs[0];

    }

    var _this = this;

    if (typeof IriSP.Widgets[_widgetConfig.type] !== "undefined") {

        IriSP._.defer(function() {

            _callback(new IriSP.Widgets[_widgetConfig.type](_this, _widgetConfig));

        });

    } else {

        /* Loading Widget CSS */

        if (typeof IriSP.widgetsRequirements[_widgetConfig.type] === "undefined" || typeof IriSP.widgetsRequirements[_widgetConfig.type].noCss === "undefined" || !IriSP.widgetsRequirements[_widgetConfig.type].noCss) {

            IriSP.loadCss(IriSP.widgetsDir + '/' + _widgetConfig.type + '.css');

        }

        /* Loading Widget JS    */

        $LAB.script(IriSP.widgetsDir + '/' + _widgetConfig.type + '.js').wait(function() {

            _callback(new IriSP.Widgets[_widgetConfig.type](_this, _widgetConfig));

        });

    }

}

IriSP.Metadataplayer.prototype.configurePopcorn = function() {

    IriSP.log("IriSP.Metadataplayer.prototype.configurePopcorn");

    var pop,

        ret = this.layoutDivs("video"),

        containerDiv = ret[0],

        spacerDiv = ret[1],

        _this = this,

        _types = {

            "html5" : /\.(ogg|ogv|webm)$/,

            "youtube" : /^(https?:\/\/)?(www\.)?youtube\.com/,

            "dailymotion" : /^(https?:\/\/)?(www\.)?dailymotion\.com/

        };

    if (this.config.player.type === "auto") {

        this.config.player.type = "jwplayer";

        IriSP._(_types).each(function(_v, _k) {

            if (_v.test(_this.config.player.video)) {

                _this.config.player.type = _k

            }

        });

    }

    switch(this.config.player.type) {

        /*

         todo : dynamically create the div/video tag which

         will contain the video.

         */

        case "html5":

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

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

            _videoEl.attr({

                "src" : this.config.player.video,

                "id" : _tmpId

            })

            if(this.config.player.hasOwnProperty("width")) {

                _videoEl.attr("width", this.config.player.width);

            }

            if(this.config.player.hasOwnProperty("height")) {

                _videoEl.attr("height", this.config.player.height);

            }

            IriSP.jQuery("#" + containerDiv).append(_videoEl);

            pop = Popcorn("#" + _tmpId);

            break;

        case "jwplayer":

            var opts = IriSP.jQuery.extend({}, this.config.player);

            delete opts.container;

            delete opts.type;

            opts.file = opts.video;

            delete opts.video;

            if(!opts.hasOwnProperty("flashplayer")) {

                opts.flashplayer = IriSP.jwplayer_swf_path;

            }

            if(!opts.hasOwnProperty("controlbar.position")) {

                opts["controlbar.position"] = "none";

            }

            pop = new IriSP.PopcornReplacement.jwplayer("#" + containerDiv, opts);

            break;

        case "youtube":

            // Popcorn.youtube wants us to specify the size of the player in the style attribute of its container div.

            IriSP.jQuery("#" + containerDiv).css({

                width : this.config.player.width + "px",

                height : this.config.player.height + "px"

            });

            var _urlparts = this.config.player.video.split(/[?&]/),

                _params = {};

            for (var _j = 1; _j < _urlparts.length; _j++) {

                var _ppart = _urlparts[_j].split('=');

                _params[_ppart[0]] = decodeURIComponent(_ppart[1]);

            }

            _params.controls = 0;

            _params.modestbranding = 1;

            _url = _urlparts[0] + '?' + IriSP.jQuery.param(_params);

            pop = Popcorn.youtube("#" + containerDiv, _url);

            break;

        case "dailymotion":

            pop = new IriSP.PopcornReplacement.dailymotion("#" + containerDiv, this.config.player);

            break;

        case "mashup":

            pop = new IriSP.PopcornReplacement.mashup("#" + containerDiv, this.config.player);

            break;

        case "allocine":

            /* pass the options as-is to the allocine player and let it handle everything */

            pop = new IriSP.PopcornReplacement.allocine("#" + containerDiv, this.config.player);

            break;

        default:

            pop = undefined;

    };

    this.popcorn = pop;

}

/** create a subdiv with an unique id, and a spacer div as well.

    @param widgetName the name of the widget.

    @return an array of the form [createdivId, spacerdivId].

*/

IriSP.Metadataplayer.prototype.layoutDivs = function(_name) {

    if (typeof(_name) === "undefined") {

       _name = "";

    }

    var newDiv = IriSP._.uniqueId(this.config.gui.container + "_widget_" + _name + "_"),

        spacerDiv = IriSP._.uniqueId("LdtPlayer_spacer_"),

        divHtml = IriSP.jQuery('<div>')

            .attr("id",newDiv)

            .css({

                width: this.config.gui.width + "px",

                position: "relative",

                clear: "both"

            }),

        spacerHtml = IriSP.jQuery('<div>')

            .attr("id",spacerDiv)

            .css({

                width: this.config.gui.width + "px",