/*
THIS SOFTWARE IS PROVIDED BY ANDREW M. TRICE ''AS IS'' AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANDREW M. TRICE OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


var SplitViewNavigator = function( target, options ) {

	var defaults = {
		CSSNamespace: 'splitViewNavigator_',
		toggleButtonLabel: 'Menu',
		backLinkCSS: 'viewNavigator_backButton',
		bindToWindow: true
	};

	this.options = options = $.extend( {}, defaults, options );

	this.animating = false;
	this.animationDuration = 350;
	this.animationPerformed = false;

	this.uniqueId = this.guid();
	this.parent = $( target );

	var regexp = new RegExp('Windows Phone OS 7');
	this.winPhone = (navigator.userAgent.search(regexp) >= 0);

	this.rootElement = $('<div class="' + options.CSSNamespace + 'root"></div>');
	this.sidebarContainer = $('<div class="' + options.CSSNamespace + 'sidebar"></div>');
	this.contentOverlay = $('<div class="content_overlay_hidden" id="overlay'+this.uniqueId+'"></div>');
	this.bodyContainer = $('<div class="' + options.CSSNamespace + 'body"></div>');

	this.sidebarViewNavigator = new ViewNavigator( this.sidebarContainer.get()[0], options.backLinkCSS, false );

	this.bodyViewNavigator = new ViewNavigator( this.bodyContainer.get()[0], options.backLinkCSS, false );

	this.toggleSidebarButton = $('<li class="viewNavigator_backButton viewNavigator_backButtonPosition ' + options.backLinkCSS + '" id="toggle' + this.uniqueId + '" onclick="window.splitViewNavigator.showSidebar()">' + options.toggleButtonLabel + '</li>');

	this.rootElement.append( this.bodyContainer );
	this.rootElement.append( this.contentOverlay );

	this.rootElement.append( this.sidebarContainer );

	var self = this;

	/*if ( 'onorientationchange' in window ) {
		$(window).bind( 'orientationchange', function(event){ self.resizeContent() } )
	}
	else {*/
		//$(window).resize( function(event){ self.resizeContent() } );
		//alert( this.parent.attr( 'id' ) );
		this.parent.resize( function(event){ self.resizeContent() } );
	//}

	if ( options.bindToWindow != false ) {
		$(window).resize( function(event){ self.resizeContent() } );
	}
	else {
		this.parent.resize( function(event){ self.resizeContent() } );
	}

	this.resizeContent();

	this.parent.append( this.rootElement );

	this.contentOverlay.click( function(event){ self.hideSidebar() } );

	new NoClickDelay( this.contentOverlay.get()[0] );
	new NoClickDelay( this.toggleSidebarButton.get()[0] );
	window.splitViewNavigator = this;
}


SplitViewNavigator.prototype.resizeContent = function() {

	this.applyStylesByOrientation();
	this.sidebarViewNavigator.resizeContent();
	this.bodyViewNavigator.resizeContent()
}

SplitViewNavigator.prototype.applyStylesByOrientation = function() {
	var $window = $(window)
	var w = $window.width();
	var h = $window.height();


	var orientation = (w >= h) ? 'landscape' : 'portrait';
	this.contentOverlay.removeClass( 'content_overlay_visible' ).addClass( 'content_overlay_hidden' );

	//landscape
	if ( orientation == 'landscape' && this.orientation != orientation ) {
		this.sidebarContainer.removeClass( 'sidebar_portrait' ).addClass( 'sidebar_landscape' );
		this.bodyViewNavigator.setHeaderPadding( 0 );
		this.toggleSidebarButton.remove();
		if ( this.animationPerformed ) {
			this.sidebarContainer.css( 'left', 0 );
		}
		this.bodyContainer.removeClass( 'body_portrait' ).addClass( 'body_landscape' );
	}

	//portrait
	else if ( this.orientation != orientation ) {
		this.sidebarContainer.removeClass( 'sidebar_landscape' ).addClass( 'sidebar_portrait' );
		this.bodyViewNavigator.setHeaderPadding( '70px' );
		this.bodyContainer.append( this.toggleSidebarButton );
		if ( this.animationPerformed ) {
			this.sidebarContainer.css( 'left', -this.sidebarContainer.width() );
		}
		this.bodyContainer.removeClass( 'body_landscape' ).addClass( 'body_portrait' );
	}

	this.orientation = orientation;
}

SplitViewNavigator.prototype.showSidebar = function() {
	this.animationPerformed = true;
	if ( this.orientation == 'portrait' ) {
		this.contentOverlay.removeClass( 'content_overlay_hidden' ).addClass( 'content_overlay_visible' );
		this.animating = true;
		this.sidebarContainer.animate({
			left:0,
			avoidTransforms:false,
			useTranslate3d: true
		}, this.animationDuration, this.animationCompleteHandler());

	}
}

SplitViewNavigator.prototype.hideSidebar = function() {
	if ( this.orientation == 'portrait' ) {
		this.contentOverlay.removeClass( 'content_overlay_visible' ).addClass( 'content_overlay_hidden' );
		this.animating = true;
		this.sidebarContainer.animate({
			left:-this.sidebarContainer.width(),
			avoidTransforms:false,
			useTranslate3d: true
		}, this.animationDuration, this.animationCompleteHandler());

	}
}

SplitViewNavigator.prototype.animationCompleteHandler = function() {
	var self = this;
	return function() {
		self.animating = false;
		//self.resetScroller();
	}
}

SplitViewNavigator.prototype.pushSidebarView = function( viewDescriptor ) {
	this.sidebarViewNavigator.pushView( viewDescriptor );
}

SplitViewNavigator.prototype.popSidebarView = function() {
	this.sidebarViewNavigator.popView();
}

SplitViewNavigator.prototype.replaceSidebarView = function( viewDescriptor ) {
	this.sidebarViewNavigator.replaceView( viewDescriptor );
}

SplitViewNavigator.prototype.pushBodyView = function( viewDescriptor ) {
	this.bodyViewNavigator.pushView( viewDescriptor );
}

SplitViewNavigator.prototype.popBodyView = function() {
	this.bodyViewNavigator.popView();
}

SplitViewNavigator.prototype.replaceBodyView = function( viewDescriptor ) {
	this.bodyViewNavigator.replaceView( viewDescriptor );
}




//GUID logic from http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript

SplitViewNavigator.prototype.S4 = function() {
	return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
}

SplitViewNavigator.prototype.guid = function() {
	return (this.S4() + this.S4() + '-' + this.S4() + '-4' + this.S4().substr(0,3) + '-' + this.S4() + '-' + this.S4() + this.S4() + this.S4()).toLowerCase();
}