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

exemple json configuration:

*/

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

IriSP.Metadataplayer = function(config, video_metadata) {

    IriSP._.defaults(config.gui, IriSP.guiDefaults);

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

    _container.innerHTML = IriSP.templToHTML(IriSP.loading_template, config.gui);

    this.video_metadata = video_metadata;

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

    this.config = config;

    this.loadLibs();

}

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

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

}

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

    // Localize jQuery variable

    IriSP.jQuery = null;

    var $L = $LAB.script(IriSP.getLib("jQuery")).script(IriSP.getLib("swfObject")).wait().script(IriSP.getLib("jQueryUI"));

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

        // load our popcorn.js lookalike

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

    } else {

        // load the real popcorn

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

        // load plugins if necessary

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

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

        }

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

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

        }

    }

    /* widget specific requirements */

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

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

        }

        if(this.config.gui.widgets[_i].type === "TraceWidget") {

            $L.script(IriSP.getLib("tracemanager"))

        }

    }

    var _this = this;

    $L.wait(function() {

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

        var css_link_jquery = IriSP.jQuery("<link>", {

            rel : "stylesheet",

            type : "text/css",

            href : IriSP.getLib("cssjQueryUI")

        });

        var css_link_custom = IriSP.jQuery("<link>", {

            rel : "stylesheet",

            type : "text/css",

            href : _this.config.gui.css

        });

        css_link_jquery.appendTo('head');

        css_link_custom.appendTo('head');

        _this.onLibsLoaded();

    });

}

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.onLibsLoaded = function() {

    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.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 = [];

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

        var _widget = this.config.gui.widgets[i];

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

            this.widgets.push(new IriSP[_widget.type](this, _widget));

        } else {

        }

    };

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

}

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

    var pop,

        ret = this.layoutDivs("video"),

        containerDiv = ret[0],

        spacerDiv = ret[1];

    switch(this.config.player.type) {

        /*

         todo : dynamically create the div/video tag which

         will contain the video.

         */

        case "html5":

            var tmpId = Popcorn.guid("video");

            IriSP.jQuery("#" + containerDiv).append("<video src='" + this.config.player.video + "' id='" + tmpId + "'></video>");

            if(options.hasOwnProperty("width"))

                IriSP.jQuery("#" + containerDiv).css("width", this.config.player.width);

            if(options.hasOwnProperty("height"))

                IriSP.jQuery("#" + containerDiv).css("height", this.config.player.height);

            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":

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

            delete opts.container;

            opts.controls = 0;

            opts.autostart = false;

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

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

                width : opts.width + "px",

                height : opts.height + "px"

            })

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

            break;

        case "dailymotion":

            pop = new IriSP.PopcornReplacement.dailymotion("#" + 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_"),

            }),

            });

    this.$.append(divHtml);

    this.$.append(spacerHtml);

    return [newDiv, spacerDiv];

};