/**
 * File customize-preview.js.
 *
 * Instantly live-update customizer settings in the preview for improved user experience.
 */

(function( $ ) {

	// Collect information from customize-controls.js about which panels are opening.
	wp.customize.bind( 'preview-ready', function() {

		// Initially hide the theme option placeholders on load
		$( '.panel-placeholder' ).hide();

		wp.customize.preview.bind( 'section-highlight', function( data ) {

			// Only on the front page.
			if ( ! $( 'body' ).hasClass( 'newtheme-front-page' ) ) {
				return;
			}

			// When the section is expanded, show and scroll to the content placeholders, exposing the edit links.
			if ( true === data.expanded ) {
				$( 'body' ).addClass( 'highlight-front-sections' );
				$( '.panel-placeholder' ).slideDown( 200, function() {
					$.scrollTo( $( '#panel1' ), {
						duration: 600,
						offset: { 'top': -70 } // Account for sticky menu.
					});
				});

			// If we've left the panel, hide the placeholders and scroll back to the top.
			} else {
				$( 'body' ).removeClass( 'highlight-front-sections' );
				// Don't change scroll when leaving - it's likely to have unintended consequences.
				$( '.panel-placeholder' ).slideUp( 200 );
			}
		});
	});

	// Site title and description.
	wp.customize( 'blogname', function( value ) {
		value.bind( function( to ) {
			$( '.site-title a' ).text( to );
		});
	});
	wp.customize( 'blogdescription', function( value ) {
		value.bind( function( to ) {
			$( '.site-description' ).text( to );
		});
	});

	// Header text color.
	wp.customize( 'header_textcolor', function( value ) {
		value.bind( function( to ) {
			if ( 'blank' === to ) {
				$( '.site-title, .site-description' ).css({
					clip: 'rect(1px, 1px, 1px, 1px)',
					position: 'absolute'
				});
				// Add class for different logo styles if title and description are hidden.
				$( 'body' ).addClass( 'title-tagline-hidden' );
			} else {

				// Check if the text color has been removed and use default colors in theme stylesheet.
				if ( ! to.length ) {
					$( '#newtheme-custom-header-styles' ).remove();
				}
				$( '.site-title, .site-description' ).css({
					clip: 'auto',
					position: 'relative'
				});
				$( '.site-branding, .site-branding a, .site-description, .site-description a' ).css({
					color: to
				});
				// Add class for different logo styles if title and description are visible.
				$( 'body' ).removeClass( 'title-tagline-hidden' );
			}
		});
	});

} )( jQuery );