var Videobox = {
    init: function(options) {
        // init default options

        //20090924 Alexey
        //Please ensure html page contains declaration of swfSrcPrefix variable
        //because it's required for working videobox with subfolders feature

        this.options = Object.extend({
            resizeDuration: 400, // Duration of height and width resizing (ms)
            initialWidth: 250, 	// Initial width of the box (px)
            initialHeight: 250, 	// Initial height of the box (px)
            defaultWidth: 425, 	// Default width of the box (px)
            defaultHeight: 350, // Default height of the box (px)
            animateCaption: true, // Enable/Disable caption animation
            flvplayer: (typeof (swfSrcPrefix) != 'undefined' ? swfSrcPrefix : '../') + 'lib/swf/flvplayer.swf'
        }, options || {});

        this.anchors = [];
        $A($$('a')).each(function(el) {
            if (el.rel && el.href && el.rel.test('^vidbox', 'i')) {
                el.addEvent('click', function(e) {
                    e = new Event(e);
                    e.stop();
                    this.click(el);
                } .bind(this));
                this.anchors.push(el);
            }
        }, this);

        this.overlay = new Element('div').setProperty('id', 'vb_lbOverlay').injectInside(document.body);
        this.center = new Element('div').setProperty('id', 'vb_lbCenter').setStyles({ width: this.options.initialWidth + 'px', height: this.options.initialHeight + 'px', marginLeft: '-' + (this.options.initialWidth / 2) + 'px', display: 'none' }).injectInside(document.body);

        this.bottomContainer = new Element('div').setProperty('id', 'vb_lbBottomContainer').setStyle('display', 'none').injectInside(document.body);
        this.bottom = new Element('div').setProperty('id', 'vb_lbBottom').injectInside(this.bottomContainer);
        new Element('a').setProperties({ id: 'vb_lbCloseLink', href: '#' }).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
        this.caption = new Element('div').setProperty('id', 'vb_lbCaption').injectInside(this.bottom);
        this.number = new Element('div').setProperty('id', 'vb_lbNumber').injectInside(this.bottom);
        new Element('div').setStyle('clear', 'both').injectInside(this.bottom);

        var nextEffect = this.nextEffect.bind(this);
        this.fx = {
            overlay: this.overlay.effect('opacity', { duration: 500 }).hide(),
            center: this.center.effects({ duration: 500, transition: Fx.Transitions.sineInOut, onComplete: nextEffect }),
            bottom: this.bottom.effect('margin-top', { duration: 400 })
        };

    },

    click: function(link) {

        return this.open(link.href, link.title, link.rel);

    },
    open: function(sLinkHref, sLinkTitle, sLinkRel) {
        this.href = sLinkHref;
        this.title = sLinkTitle;
        this.rel = sLinkRel;
        this.position();
        this.setup();
        this.video(this.href);
        this.top = Window.getScrollTop() + (Window.getHeight() / 15);
        this.center.setStyles({ top: this.top + 'px', display: '' });
        this.fx.overlay.start(0.8);
        this.step = 1;
        this.center.setStyle('background', '#fff url(lib/videobox/images/loading.gif) no-repeat center');
        this.caption.innerHTML = this.title;
        this.fx.center.start({ 'height': [this.options.contentsHeight] });
    },

    setup: function() {
        var aDim = this.rel.match(/[0-9]+/g);
        this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defaultWidth;
        this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defaultHeight;

    },

    position: function() {
        this.overlay.setStyles({ 'top': window.getScrollTop() + 'px', 'height': window.getHeight() + 'px' });
    },

    video: function(sLinkHref) {
        if (sLinkHref.match(/youtube\.com\/watch/i)) {
            this.flash = true;
            var hRef = sLinkHref;
            var videoId = hRef.split('=');
            this.videoID = videoId[1];
            this.so = new SWFObject("http://www.youtube.com/v/" + this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
            this.so.addParam("wmode", "transparent");
        }
        else if (sLinkHref.match(/metacafe\.com\/watch/i)) {
            this.flash = true;
            var hRef = sLinkHref;
            var videoId = hRef.split('/');
            this.videoID = videoId[4];
            this.so = new SWFObject("http://www.metacafe.com/fplayer/" + this.videoID + "/.swf", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
            this.so.addParam("wmode", "transparent");
        }
        else if (sLinkHref.match(/google\.com\/videoplay/i)) {
            this.flash = true;
            var hRef = sLinkHref;
            var videoId = hRef.split('=');
            this.videoID = videoId[1];
            this.so = new SWFObject("http://video.google.com/googleplayer.swf?docId=" + this.videoID + "&hl=en", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
            this.so.addParam("wmode", "transparent");
        }
        else if (sLinkHref.match(/ifilm\.com\/video/i)) {
            this.flash = true;
            var hRef = sLinkHref;
            var videoId = hRef.split('video/');
            this.videoID = videoId[1];
            this.so = new SWFObject("http://www.ifilm.com/efp", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0", "#000");
            this.so.addVariable("flvbaseclip", this.videoID + "&");
            this.so.addParam("wmode", "transparent");
        }
        else if (sLinkHref.match(/\.mov/i)) {
            this.flash = false;
            if (navigator.plugins && navigator.plugins.length) {
                this.other = '<object id="qtboxMovie" type="video/quicktime" codebase="http://www.apple.com/qtactivex/qtplugin.cab" data="' + sLinkHref + '" width="' + this.options.contentsWidth + '" height="' + this.options.contentsHeight + '"><param name="src" value="' + sLinkHref + '" /><param name="scale" value="aspect" /><param name="controller" value="true" /><param name="autoplay" value="true" /><param name="bgcolor" value="#000000" /><param name="enablejavascript" value="true" /></object>';
            } else {
                this.other = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" width="' + this.options.contentsWidth + '" height="' + this.options.contentsHeight + '" id="qtboxMovie"><param name="src" value="' + sLinkHref + '" /><param name="scale" value="aspect" /><param name="controller" value="true" /><param name="autoplay" value="true" /><param name="bgcolor" value="#000000" /><param name="enablejavascript" value="true" /></object>';
            }
        }
        else if (sLinkHref.match(/\.wmv/i) || sLinkHref.match(/\.asf/i)) {
            this.flash = false;
            sLinkHref = 'wgc_media/' + sLinkHref.split('wgc_media/')[1]; //fixed file:/// and http:// difference
            this.other = '<object NAME="Player" WIDTH="' + this.options.contentsWidth + '" HEIGHT="' + this.options.contentsHeight + '" align="left" hspace="0" type="application/x-oleobject" CLASSID="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6"><param NAME="URL" VALUE="' + sLinkHref + '"><param><param NAME="AUTOSTART" VALUE="false"></param><param name="showControls" value="true"></param><embed WIDTH="' + this.options.contentsWidth + '" HEIGHT="' + this.options.contentsHeight + '" align="left" hspace="0" SRC="' + sLinkHref + '" TYPE="application/x-oleobject" AUTOSTART="false"></embed></object>'
        }
        else if (sLinkHref.match(/\.flv/i)) {
            this.flash = true;
            this.so = new SWFObject(this.options.flvplayer + "?file=" + sLinkHref, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0", "#000");
        }
        else {
            this.flash = true;
            this.videoID = sLinkHref;
            this.so = new SWFObject(this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
        }
        //allow full screen by default
        if (this.so)
        {
            this.so.addParam("allowfullscreen", "true");
        }
    },

    nextEffect: function() {
        switch (this.step++) {
            case 1:
                this.fx.center.start({ 'width': [this.options.contentsWidth], 'marginLeft': [this.options.contentsWidth / -2] });
                break;
                this.step++;
            case 2:
                this.center.setStyle('background', '#fff');
                this.flash ? this.so.write(this.center) : this.center.setHTML(this.other);
                this.bottomContainer.setStyles({ top: (this.top + this.center.clientHeight) + 'px', height: '0px', marginLeft: this.center.style.marginLeft, width: this.options.contentsWidth + 'px', display: '' });
                if (this.options.animateCaption) {
                    this.fx.bottom.set(-this.bottom.offsetHeight);
                    this.bottomContainer.style.height = '';
                    this.fx.bottom.start(0);
                    break;
                }
                this.bottomContainer.style.height = '';
                this.step++;
        }
    },

    close: function() {
        this.fx.overlay.start(0);
        this.center.style.display = this.bottomContainer.style.display = 'none';
        this.center.innerHTML = '';
        return false;
    }

};


window.addEvent('domready', Videobox.init.bind(Videobox));