<?php

/**
 * Child theme setup and helpers.
 */

function tents_singlepage_child_enqueue_assets() {
	$theme_version = wp_get_theme( get_stylesheet() )->get( 'Version' );
	$singlepage_css_path = get_stylesheet_directory() . '/assets/css/singlepage.css';
	$singlepage_js_path  = get_stylesheet_directory() . '/assets/js/singlepage.js';

	// Assicura che lo stylesheet di Twenty Seventeen punti al tema padre, non al child.
	wp_dequeue_style( 'twentyseventeen-style' );
	wp_deregister_style( 'twentyseventeen-style' );

	wp_enqueue_style(
		'twentyseventeen-style',
		get_template_directory_uri() . '/style.css',
		array( 'twentyseventeen-fonts' ),
		'20251202'
	);

	// Child theme main stylesheet (per override leggeri).
	wp_enqueue_style(
		'tents-singlepage-child-style',
		get_stylesheet_directory_uri() . '/style.css',
		array( 'twentyseventeen-style' ),
		$theme_version
	);

	// Additional styles for single page layout.
	wp_enqueue_style(
		'tents-singlepage-child-singlepage',
		get_stylesheet_directory_uri() . '/assets/css/singlepage.css',
		array( 'tents-singlepage-child-style' ),
		file_exists( $singlepage_css_path ) ? (string) filemtime( $singlepage_css_path ) : $theme_version
	);

	$fixed_header_settings = tents_singlepage_get_fixed_header_settings();
	$fixed_header_css      = sprintf(
		':root{--tents-fixed-header-bg:%1$s;--tents-fixed-header-text:%2$s;--tents-fixed-header-primary-cta-bg:%3$s;--tents-fixed-header-primary-cta-text:%4$s;--tents-fixed-header-secondary-cta-bg:%5$s;--tents-fixed-header-secondary-cta-text:%6$s;--tents-fixed-header-logo-max-height:%7$spx;}',
		esc_html( $fixed_header_settings['background_color'] ),
		esc_html( $fixed_header_settings['text_color'] ),
		esc_html( $fixed_header_settings['primary_cta_background_color'] ),
		esc_html( $fixed_header_settings['primary_cta_text_color'] ),
		esc_html( $fixed_header_settings['secondary_cta_background_color'] ),
		esc_html( $fixed_header_settings['secondary_cta_text_color'] ),
		(int) $fixed_header_settings['logo_max_height']
	);
	wp_add_inline_style( 'tents-singlepage-child-singlepage', $fixed_header_css );

	// Fallback se WP Fastest Cache serve ancora regole globali bianche sul menu.
	wp_add_inline_style(
		'tents-singlepage-child-singlepage',
		'@media (max-width:782px){body.has-tents-fixed-header .singlepage-menu-container .menu>li>a,body.has-tents-fixed-header .navigation-top .singlepage-menu-container .menu>li>a{color:#222!important;-webkit-text-fill-color:#222!important;text-decoration-color:#222!important}}@media (min-width:783px){body.has-tents-fixed-header .singlepage-nav:not(.is-open) .singlepage-menu-container .menu>li>a,body.has-tents-fixed-header .navigation-top .singlepage-nav:not(.is-open) .singlepage-menu-container .menu>li>a{color:var(--tents-fixed-header-text,#fff)!important}}'
	);

	// JS for smooth scrolling and menu behavior.
	wp_enqueue_script(
		'tents-singlepage-child-singlepage',
		get_stylesheet_directory_uri() . '/assets/js/singlepage.js',
		array( 'jquery' ),
		file_exists( $singlepage_js_path ) ? (string) filemtime( $singlepage_js_path ) : $theme_version,
		true
	);
}
add_action( 'wp_enqueue_scripts', 'tents_singlepage_child_enqueue_assets', 20 );

/**
 * Sanitize per impostazioni immagine del Customizer.
 *
 * WP_Customize_Image_Control può salvare un URL; supportiamo anche ID numerici.
 *
 * @param mixed $value Valore in input.
 * @return string|int
 */
function tents_singlepage_sanitize_image_setting( $value ) {
	if ( is_numeric( $value ) ) {
		return absint( $value );
	}

	return esc_url_raw( (string) $value );
}

/**
 * Sanitize opacity (0..1).
 *
 * @param mixed $value Opacity.
 * @return string
 */
function tents_singlepage_sanitize_opacity( $value ) {
	$float = floatval( $value );
	if ( $float < 0 ) {
		$float = 0;
	}
	if ( $float > 1 ) {
		$float = 1;
	}

	// Keep a compact string representation.
	return rtrim( rtrim( sprintf( '%.2f', $float ), '0' ), '.' );
}

/**
 * Sanitize checkbox-like Customizer settings.
 *
 * @param mixed $value Input value.
 * @return int
 */
function tents_singlepage_sanitize_checkbox( $value ) {
	return $value ? 1 : 0;
}

/**
 * Sanitize a link URL for header CTAs and similar settings.
 *
 * Accepts absolute URLs, relative paths, anchors, mailto and tel links.
 *
 * @param mixed $value URL value.
 * @return string
 */
function tents_singlepage_sanitize_link_url( $value ) {
	$value = trim( (string) $value );

	if ( '' === $value ) {
		return '';
	}

	if ( '#' === $value[0] || '/' === $value[0] ) {
		return esc_url_raw( $value, array( 'http', 'https', 'mailto', 'tel' ) );
	}

	if ( 0 === stripos( $value, 'mailto:' ) || 0 === stripos( $value, 'tel:' ) ) {
		return esc_url_raw( $value, array( 'http', 'https', 'mailto', 'tel' ) );
	}

	if ( ! preg_match( '#^https?://#i', $value ) ) {
		$value = 'https://' . ltrim( $value, '/' );
	}

	return esc_url_raw( $value );
}

/**
 * Normalize a fixed-header CTA from optional label and URL values.
 *
 * @param string $label CTA label.
 * @param string $url CTA URL.
 * @return array|null
 */
function tents_singlepage_normalize_header_cta( $label, $url ) {
	$label = sanitize_text_field( $label );
	$url   = tents_singlepage_sanitize_link_url( $url );

	if ( '' === $label && '' === $url ) {
		return null;
	}

	return array(
		'label' => '' !== $label ? $label : __( 'Scopri di più', 'tents-singlepage-child' ),
		'url'   => '' !== $url ? $url : '#',
	);
}

/**
 * Get a sanitized color theme mod with a safe fallback.
 *
 * @param string $setting_id Theme mod id.
 * @param string $default Default color.
 * @return string
 */
function tents_singlepage_get_color_theme_mod( $setting_id, $default ) {
	$color = sanitize_hex_color( get_theme_mod( $setting_id, $default ) );

	return $color ? $color : $default;
}

/**
 * Sanitize an optional CTA background color (empty means transparent).
 *
 * @param mixed $value Color value.
 * @return string
 */
function tents_singlepage_sanitize_cta_background_color( $value ) {
	$value = strtolower( trim( (string) $value ) );

	if ( '' === $value || 'transparent' === $value ) {
		return '';
	}

	$color = sanitize_hex_color( $value );

	return $color ? $color : '';
}

/**
 * Get a CTA background color theme mod (transparent when unset).
 *
 * @param string $setting_id Theme mod id.
 * @param string $default Default color.
 * @return string
 */
function tents_singlepage_get_cta_background_theme_mod( $setting_id, $default = 'transparent' ) {
	$color = tents_singlepage_sanitize_cta_background_color( get_theme_mod( $setting_id, '' ) );

	return $color ? $color : $default;
}

/**
 * Get configured stack buttons for a homepage section (max 3).
 *
 * @param string $slug Page slug for the section.
 * @return array<int, array{label: string, url: string, text_color: string, bg_color: string}>
 */
function tents_singlepage_get_section_stack_buttons( $slug ) {
	$slug     = sanitize_title( $slug );
	$buttons  = array();

	for ( $index = 1; $index <= 3; $index++ ) {
		$label = sanitize_text_field( get_theme_mod( "section_{$slug}_button_{$index}_label", '' ) );
		$url   = tents_singlepage_sanitize_link_url( get_theme_mod( "section_{$slug}_button_{$index}_url", '' ) );

		if ( '' === $label || '' === $url ) {
			continue;
		}

		$buttons[] = array(
			'label'      => $label,
			'url'        => $url,
			'text_color' => tents_singlepage_get_color_theme_mod( "section_{$slug}_button_{$index}_text_color", '#ffffff' ),
			'bg_color'   => tents_singlepage_get_color_theme_mod( "section_{$slug}_button_{$index}_bg_color", '#326a34' ),
		);
	}

	return $buttons;
}

/**
 * Register stack button settings for a homepage section in the Customizer.
 *
 * @param WP_Customize_Manager $wp_customize Customizer object.
 * @param string               $section_id   Customizer section id.
 * @param string               $slug         Page slug.
 */
function tents_singlepage_register_section_stack_button_settings( $wp_customize, $section_id, $slug ) {
	$slug = sanitize_title( $slug );

	for ( $index = 1; $index <= 3; $index++ ) {
		$label_setting      = "section_{$slug}_button_{$index}_label";
		$url_setting        = "section_{$slug}_button_{$index}_url";
		$text_color_setting = "section_{$slug}_button_{$index}_text_color";
		$bg_color_setting   = "section_{$slug}_button_{$index}_bg_color";

		$wp_customize->add_setting(
			$label_setting,
			array(
				'default'           => '',
				'sanitize_callback' => 'sanitize_text_field',
			)
		);

		$wp_customize->add_control(
			$label_setting,
			array(
				'label'   => sprintf(
					/* translators: %d: button number */
					__( 'Pulsante %d — testo', 'tents-singlepage-child' ),
					$index
				),
				'description' => 1 === $index
					? __( 'Fino a 3 pulsanti in alto a destra nella striscia. Compila testo e URL per mostrarli.', 'tents-singlepage-child' )
					: '',
				'section' => $section_id,
				'type'    => 'text',
			)
		);

		$wp_customize->add_setting(
			$url_setting,
			array(
				'default'           => '',
				'sanitize_callback' => 'tents_singlepage_sanitize_link_url',
			)
		);

		$wp_customize->add_control(
			$url_setting,
			array(
				'label'   => sprintf(
					/* translators: %d: button number */
					__( 'Pulsante %d — URL', 'tents-singlepage-child' ),
					$index
				),
				'section' => $section_id,
				'type'    => 'text',
			)
		);

		$wp_customize->add_setting(
			$text_color_setting,
			array(
				'default'           => '#ffffff',
				'sanitize_callback' => 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$text_color_setting,
				array(
					'label'    => sprintf(
						/* translators: %d: button number */
						__( 'Pulsante %d — colore testo', 'tents-singlepage-child' ),
						$index
					),
					'section'  => $section_id,
					'settings' => $text_color_setting,
				)
			)
		);

		$wp_customize->add_setting(
			$bg_color_setting,
			array(
				'default'           => '#326a34',
				'sanitize_callback' => 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$bg_color_setting,
				array(
					'label'    => sprintf(
						/* translators: %d: button number */
						__( 'Pulsante %d — colore sfondo', 'tents-singlepage-child' ),
						$index
					),
					'section'  => $section_id,
					'settings' => $bg_color_setting,
				)
			)
		);
	}
}

/**
 * Normalize local asset URLs saved with an old local host/port.
 *
 * The imported database can contain values like http://localhost:8080/wp-content/uploads/...
 * while the current local site runs on https://localhost:8443. Keep the DB untouched and
 * rewrite only local WordPress asset URLs at render time.
 *
 * @param string $url Asset URL.
 * @return string
 */
function tents_singlepage_normalize_local_asset_url( $url ) {
	if ( empty( $url ) || ! is_string( $url ) ) {
		return $url;
	}

	$parsed_url = wp_parse_url( $url );
	$path       = isset( $parsed_url['path'] ) ? $parsed_url['path'] : '';

	if ( empty( $parsed_url['host'] ) || empty( $path ) ) {
		return $url;
	}

	$is_wordpress_asset = strpos( $path, '/wp-content/uploads/' ) !== false
		|| strpos( $path, '/wp-content/themes/' ) !== false;

	if ( ! $is_wordpress_asset ) {
		return $url;
	}

	$current_host = wp_parse_url( home_url(), PHP_URL_HOST );
	$url_host     = $parsed_url['host'];
	$is_local_url = in_array( $url_host, array( 'localhost', '127.0.0.1' ), true )
		|| $url_host === $current_host;

	if ( ! $is_local_url ) {
		return $url;
	}

	$normalized_url = home_url( $path );

	if ( ! empty( $parsed_url['query'] ) ) {
		$normalized_url .= '?' . $parsed_url['query'];
	}

	if ( ! empty( $parsed_url['fragment'] ) ) {
		$normalized_url .= '#' . $parsed_url['fragment'];
	}

	return $normalized_url;
}

add_filter( 'theme_mod_header_image', 'tents_singlepage_normalize_local_asset_url' );

/**
 * Normalize custom header image metadata URLs.
 *
 * @param mixed $header_image_data Header image data.
 * @return mixed
 */
function tents_singlepage_normalize_header_image_data( $header_image_data ) {
	if ( is_object( $header_image_data ) ) {
		if ( ! empty( $header_image_data->url ) ) {
			$header_image_data->url = tents_singlepage_normalize_local_asset_url( $header_image_data->url );
		}
		if ( ! empty( $header_image_data->thumbnail_url ) ) {
			$header_image_data->thumbnail_url = tents_singlepage_normalize_local_asset_url( $header_image_data->thumbnail_url );
		}
	}

	return $header_image_data;
}
add_filter( 'theme_mod_header_image_data', 'tents_singlepage_normalize_header_image_data' );

/**
 * Normalize local WordPress asset URLs inside rendered content.
 *
 * @param string $content Rendered content.
 * @return string
 */
function tents_singlepage_normalize_content_asset_urls( $content ) {
	if ( empty( $content ) || ! is_string( $content ) ) {
		return $content;
	}

	return preg_replace_callback(
		'#https?://[^\\s"\\\']+/wp-content/(?:uploads|themes)/[^\\s"\\\'<>)]*#',
		function ( $matches ) {
			return esc_url( tents_singlepage_normalize_local_asset_url( $matches[0] ) );
		},
		$content
	);
}
add_filter( 'the_content', 'tents_singlepage_normalize_content_asset_urls', 20 );

/**
 * Sanitize logo max height in pixels.
 *
 * @param mixed $value Input value.
 * @return int
 */
function tents_singlepage_sanitize_logo_max_height( $value ) {
	$height = absint( $value );

	if ( $height < 40 ) {
		$height = 40;
	}

	if ( $height > 120 ) {
		$height = 120;
	}

	return $height;
}

/**
 * Resolve a fixed header logo setting to a full-size image URL.
 *
 * @param mixed $value Theme mod value (attachment ID or URL).
 * @return string
 */
function tents_singlepage_get_fixed_header_logo_url( $value ) {
	if ( empty( $value ) ) {
		return '';
	}

	if ( is_numeric( $value ) ) {
		$url = wp_get_attachment_image_url( (int) $value, 'full' );

		return $url ? tents_singlepage_normalize_local_asset_url( $url ) : '';
	}

	return tents_singlepage_normalize_local_asset_url( (string) $value );
}

/**
 * Get fixed header settings in one place.
 *
 * @return array
 */
function tents_singlepage_get_fixed_header_settings() {
	$logo_value  = get_theme_mod( 'tents_fixed_header_logo', '' );
	$logo_alt    = get_theme_mod( 'tents_fixed_header_logo_alt', '' );
	$site_name   = get_bloginfo( 'name', 'display' );

	return array(
		'enabled'            => (bool) get_theme_mod( 'tents_fixed_header_enabled', 1 ),
		'hide_hero_branding' => (bool) get_theme_mod( 'tents_fixed_header_hide_hero_branding', 1 ),
		'show_social'        => (bool) get_theme_mod( 'tents_fixed_header_show_social', 1 ),
		'social_label'       => sanitize_text_field( get_theme_mod( 'tents_fixed_header_social_label', '' ) ),
		'facebook_url'       => esc_url_raw( get_theme_mod( 'tents_social_facebook_url', '' ) ),
		'instagram_url'      => esc_url_raw( get_theme_mod( 'tents_social_instagram_url', '' ) ),
		'youtube_url'        => esc_url_raw( get_theme_mod( 'tents_social_youtube_url', '' ) ),
		'primary_cta_label'  => sanitize_text_field( get_theme_mod( 'tents_fixed_header_primary_cta_label', '' ) ),
		'primary_cta_url'    => tents_singlepage_sanitize_link_url( get_theme_mod( 'tents_fixed_header_primary_cta_url', '' ) ),
		'secondary_cta_label' => sanitize_text_field( get_theme_mod( 'tents_fixed_header_secondary_cta_label', '' ) ),
		'secondary_cta_url'  => tents_singlepage_sanitize_link_url( get_theme_mod( 'tents_fixed_header_secondary_cta_url', '' ) ),
		'primary_cta'        => tents_singlepage_normalize_header_cta(
			get_theme_mod( 'tents_fixed_header_primary_cta_label', '' ),
			get_theme_mod( 'tents_fixed_header_primary_cta_url', '' )
		),
		'secondary_cta'      => tents_singlepage_normalize_header_cta(
			get_theme_mod( 'tents_fixed_header_secondary_cta_label', '' ),
			get_theme_mod( 'tents_fixed_header_secondary_cta_url', '' )
		),
		'logo_url'           => tents_singlepage_get_fixed_header_logo_url( $logo_value ),
		'logo_alt'           => $logo_alt ? sanitize_text_field( $logo_alt ) : sanitize_text_field( $site_name ),
		'logo_max_height'    => tents_singlepage_sanitize_logo_max_height( get_theme_mod( 'tents_fixed_header_logo_max_height', 58 ) ),
		'background_color'   => tents_singlepage_get_color_theme_mod( 'tents_fixed_header_background_color', '#ffffff' ),
		'text_color'         => tents_singlepage_get_color_theme_mod( 'tents_fixed_header_text_color', '#ffffff' ),
		'primary_cta_background_color' => tents_singlepage_get_color_theme_mod( 'tents_fixed_header_primary_cta_background_color', '#4d963d' ),
		'primary_cta_text_color' => tents_singlepage_get_color_theme_mod( 'tents_fixed_header_primary_cta_text_color', '#ffffff' ),
		'secondary_cta_background_color' => tents_singlepage_get_cta_background_theme_mod( 'tents_fixed_header_secondary_cta_background_color', 'transparent' ),
		'secondary_cta_text_color' => tents_singlepage_get_color_theme_mod( 'tents_fixed_header_secondary_cta_text_color', '#ffffff' ),
	);
}

/**
 * Register fixed header Customizer settings.
 *
 * @param WP_Customize_Manager $wp_customize Customizer object.
 */
function tents_singlepage_customize_register_fixed_header( $wp_customize ) {
	$wp_customize->add_section(
		'tents_singlepage_fixed_header',
		array(
			'title'       => __( 'Header fisso', 'tents-singlepage-child' ),
			'description' => __( 'Logo e call to action della barra fissa.', 'tents-singlepage-child' ),
			'priority'    => 9,
		)
	);

	$checkbox_settings = array(
		'tents_fixed_header_enabled'            => array(
			'label'   => __( 'Abilita header fisso', 'tents-singlepage-child' ),
			'default' => 1,
		),
		'tents_fixed_header_hide_hero_branding' => array(
			'label'       => __( 'Nascondi branding nel hero', 'tents-singlepage-child' ),
			'description' => __( 'Evita di mostrare due volte logo e nome sito quando la barra fissa è attiva.', 'tents-singlepage-child' ),
			'default'     => 1,
		),
		'tents_fixed_header_show_social'        => array(
			'label'   => __( 'Mostra social', 'tents-singlepage-child' ),
			'default' => 1,
		),
	);

	foreach ( $checkbox_settings as $setting_id => $setting_args ) {
		$wp_customize->add_setting(
			$setting_id,
			array(
				'default'           => $setting_args['default'],
				'sanitize_callback' => 'tents_singlepage_sanitize_checkbox',
			)
		);

		$wp_customize->add_control(
			$setting_id,
			array(
				'label'       => $setting_args['label'],
				'description' => isset( $setting_args['description'] ) ? $setting_args['description'] : '',
				'section'     => 'tents_singlepage_fixed_header',
				'type'        => 'checkbox',
			)
		);
	}

	$wp_customize->add_setting(
		'tents_fixed_header_logo',
		array(
			'default'           => '',
			'sanitize_callback' => 'tents_singlepage_sanitize_image_setting',
		)
	);

	$wp_customize->add_control(
		new WP_Customize_Image_Control(
			$wp_customize,
			'tents_fixed_header_logo',
			array(
				'label'       => __( 'Logo header', 'tents-singlepage-child' ),
				'description' => __( 'Logo rettangolare mostrato al centro della barra fissa. Non usa il ritaglio quadrato del logo del sito.', 'tents-singlepage-child' ),
				'section'     => 'tents_singlepage_fixed_header',
				'settings'    => 'tents_fixed_header_logo',
			)
		)
	);

	$wp_customize->add_setting(
		'tents_fixed_header_logo_alt',
		array(
			'default'           => '',
			'sanitize_callback' => 'sanitize_text_field',
		)
	);

	$wp_customize->add_control(
		'tents_fixed_header_logo_alt',
		array(
			'label'       => __( 'Testo alternativo logo', 'tents-singlepage-child' ),
			'description' => __( 'Lasciare vuoto per usare il nome del sito.', 'tents-singlepage-child' ),
			'section'     => 'tents_singlepage_fixed_header',
			'type'        => 'text',
		)
	);

	$wp_customize->add_setting(
		'tents_fixed_header_logo_max_height',
		array(
			'default'           => 58,
			'sanitize_callback' => 'tents_singlepage_sanitize_logo_max_height',
		)
	);

	$wp_customize->add_control(
		'tents_fixed_header_logo_max_height',
		array(
			'label'       => __( 'Altezza massima logo (px)', 'tents-singlepage-child' ),
			'description' => __( 'Regola l’altezza del logo rettangolare mantenendo le proporzioni.', 'tents-singlepage-child' ),
			'section'     => 'tents_singlepage_fixed_header',
			'type'        => 'range',
			'input_attrs' => array(
				'min'  => 40,
				'max'  => 120,
				'step' => 1,
			),
		)
	);

	$text_settings = array(
		'tents_fixed_header_social_label'        => array(
			'label'             => __( 'Etichetta social', 'tents-singlepage-child' ),
			'description'       => __( 'Testo mostrato sopra le icone Facebook, Instagram e YouTube, nella colonna destra dell’header.', 'tents-singlepage-child' ),
			'type'              => 'text',
			'sanitize_callback' => 'sanitize_text_field',
		),
		'tents_fixed_header_primary_cta_label'   => array(
			'label'             => __( 'CTA principale — testo (colonna destra)', 'tents-singlepage-child' ),
			'description'       => __( 'Pulsante evidenziato a destra, accanto a social e menu hamburger. Es.: «Dona», «Contattaci». Basta il testo per mostrarlo; l’URL è consigliato.', 'tents-singlepage-child' ),
			'type'              => 'text',
			'sanitize_callback' => 'sanitize_text_field',
		),
		'tents_fixed_header_primary_cta_url'     => array(
			'label'             => __( 'CTA principale — URL (colonna destra)', 'tents-singlepage-child' ),
			'description'       => __( 'Destinazione del pulsante principale a destra. Accetta URL completo, percorso relativo (es. /statuto.pdf) o ancora (es. #donazioni).', 'tents-singlepage-child' ),
			'type'              => 'text',
			'sanitize_callback' => 'tents_singlepage_sanitize_link_url',
		),
		'tents_fixed_header_secondary_cta_label' => array(
			'label'             => __( 'CTA sinistra — testo (colonna sinistra)', 'tents-singlepage-child' ),
			'description'       => __( 'Link testuale a sinistra dell’header, opposto al logo. Es.: «Statuto», «Documenti». Basta testo o URL per mostrarlo.', 'tents-singlepage-child' ),
			'type'              => 'text',
			'sanitize_callback' => 'sanitize_text_field',
		),
		'tents_fixed_header_secondary_cta_url'   => array(
			'label'             => __( 'CTA sinistra — URL (colonna sinistra)', 'tents-singlepage-child' ),
			'description'       => __( 'Destinazione del link a sinistra. Accetta URL completo, percorso relativo o ancora interna.', 'tents-singlepage-child' ),
			'type'              => 'text',
			'sanitize_callback' => 'tents_singlepage_sanitize_link_url',
		),
	);

	foreach ( $text_settings as $setting_id => $setting_args ) {
		$wp_customize->add_setting(
			$setting_id,
			array(
				'default'           => '',
				'sanitize_callback' => $setting_args['sanitize_callback'],
			)
		);

		$wp_customize->add_control(
			$setting_id,
			array(
				'label'       => $setting_args['label'],
				'description' => isset( $setting_args['description'] ) ? $setting_args['description'] : '',
				'section'     => 'tents_singlepage_fixed_header',
				'type'        => $setting_args['type'],
			)
		);
	}

	$color_settings = array(
		'tents_fixed_header_background_color'             => array(
			'label'   => __( 'Colore sfondo header', 'tents-singlepage-child' ),
			'default' => '#ffffff',
		),
		'tents_fixed_header_text_color'                   => array(
			'label'   => __( 'Colore testo header', 'tents-singlepage-child' ),
			'default' => '#ffffff',
		),
		'tents_fixed_header_primary_cta_background_color' => array(
			'label'       => __( 'Colore sfondo CTA principale (destra)', 'tents-singlepage-child' ),
			'description' => __( 'Sfondo del pulsante evidenziato nella colonna destra.', 'tents-singlepage-child' ),
			'default'     => '#4d963d',
		),
		'tents_fixed_header_primary_cta_text_color'       => array(
			'label'       => __( 'Colore testo CTA principale (destra)', 'tents-singlepage-child' ),
			'description' => __( 'Colore del testo del pulsante evidenziato a destra.', 'tents-singlepage-child' ),
			'default'     => '#ffffff',
		),
		'tents_fixed_header_secondary_cta_background_color' => array(
			'label'       => __( 'Colore sfondo CTA sinistra', 'tents-singlepage-child' ),
			'description' => __( 'Sfondo del link nella colonna sinistra. Lascia vuoto o trasparente per nessuno sfondo.', 'tents-singlepage-child' ),
			'default'     => '',
			'sanitize_callback' => 'tents_singlepage_sanitize_cta_background_color',
		),
		'tents_fixed_header_secondary_cta_text_color'     => array(
			'label'       => __( 'Colore testo CTA sinistra', 'tents-singlepage-child' ),
			'description' => __( 'Colore del link testuale nella colonna sinistra dell’header.', 'tents-singlepage-child' ),
			'default'     => '#ffffff',
		),
	);

	foreach ( $color_settings as $setting_id => $setting_args ) {
		$wp_customize->add_setting(
			$setting_id,
			array(
				'default'           => $setting_args['default'],
				'sanitize_callback' => isset( $setting_args['sanitize_callback'] ) ? $setting_args['sanitize_callback'] : 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$setting_id,
				array(
					'label'       => $setting_args['label'],
					'description' => isset( $setting_args['description'] ) ? $setting_args['description'] : '',
					'section'     => 'tents_singlepage_fixed_header',
					'settings'    => $setting_id,
				)
			)
		);
	}
}

/**
 * Add body classes that allow the fixed header to be enabled without parent edits.
 *
 * @param string[] $classes Body classes.
 * @return string[]
 */
function tents_singlepage_body_classes( $classes ) {
	$header_settings = tents_singlepage_get_fixed_header_settings();

	if ( $header_settings['enabled'] ) {
		$classes[] = 'has-tents-fixed-header';

		// Avoid Twenty Seventeen hero/parallax header rules conflicting with the fixed bar.
		$classes = array_diff(
			$classes,
			array(
				'has-header-image',
				'has-header-video',
			)
		);
	}

	if ( $header_settings['enabled'] && $header_settings['hide_hero_branding'] ) {
		$classes[] = 'has-tents-fixed-header-hidden-branding';
	}

	return $classes;
}
add_filter( 'body_class', 'tents_singlepage_body_classes', 99 );


/**
 * Register Customizer settings for section background images.
 *
 * One image field per top-level primary menu item (page).
 *
 * @param WP_Customize_Manager $wp_customize Customizer object.
 */
function tents_singlepage_customize_register( $wp_customize ) {
	tents_singlepage_customize_register_fixed_header( $wp_customize );

	$locations = get_nav_menu_locations();

	if ( empty( $locations['top'] ) ) {
		return;
	}

	$menu       = wp_get_nav_menu_object( $locations['top'] );
	$menu_items = wp_get_nav_menu_items( $menu->term_id );

	if ( empty( $menu_items ) ) {
		return;
	}

	// Panel for homepage sections + social.
	$wp_customize->add_panel(
		'tents_singlepage_sections_panel',
		array(
			'title'       => __( 'Homepage Sections', 'tents-singlepage-child' ),
			'description' => __( 'Impostazioni per le sezioni della homepage single page.', 'tents-singlepage-child' ),
			'priority'    => 160,
		)
	);

	foreach ( $menu_items as $item ) {
		if ( (int) $item->menu_item_parent !== 0 ) {
			continue;
		}
		if ( $item->object !== 'page' || empty( $item->object_id ) ) {
			continue;
		}

		$page = get_post( $item->object_id );
		if ( ! $page ) {
			continue;
		}

		$slug        = $page->post_name;
		$section_id  = 'tents_section_' . sanitize_title( $slug );
		$bg_setting  = 'section_' . sanitize_title( $slug ) . '_bg_image';
		$bg_color_setting = 'section_' . sanitize_title( $slug ) . '_bg_color';
		$text_color_setting = 'section_' . sanitize_title( $slug ) . '_text_color';
		$overlay_color_setting = 'section_' . sanitize_title( $slug ) . '_overlay_color';
		$overlay_opacity_setting = 'section_' . sanitize_title( $slug ) . '_overlay_opacity';
		$banner_text_setting = 'section_' . sanitize_title( $slug ) . '_banner_text';
		$hide_title_setting  = 'section_' . sanitize_title( $slug ) . '_hide_title';

		// Customizer section for this menu item.
		$wp_customize->add_section(
			$section_id,
			array(
				'title' => sprintf(
					/* translators: %s: menu item title */
					__( 'Sezione: %s', 'tents-singlepage-child' ),
					$item->title
				),
				'panel' => 'tents_singlepage_sections_panel',
			)
		);

		// Background image setting.
		$wp_customize->add_setting(
			$bg_setting,
			array(
				'default'           => '',
				// WP_Customize_Image_Control salva tipicamente l'URL dell'immagine.
				// Accettiamo sia URL che ID (per retro-compatibilità).
				'sanitize_callback' => 'tents_singlepage_sanitize_image_setting',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Image_Control(
				$wp_customize,
				$bg_setting,
				array(
					'label'    => __( 'Immagine di sfondo', 'tents-singlepage-child' ),
					'section'  => $section_id,
					'settings' => $bg_setting,
				)
			)
		);

		// Background color setting.
		$wp_customize->add_setting(
			$bg_color_setting,
			array(
				'default'           => '',
				'sanitize_callback' => 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$bg_color_setting,
				array(
					'label'    => __( 'Colore di sfondo', 'tents-singlepage-child' ),
					'section'  => $section_id,
					'settings' => $bg_color_setting,
				)
			)
		);

		// Text color setting.
		$wp_customize->add_setting(
			$text_color_setting,
			array(
				'default'           => '',
				'sanitize_callback' => 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$text_color_setting,
				array(
					'label'    => __( 'Colore testo sezione', 'tents-singlepage-child' ),
					'section'  => $section_id,
					'settings' => $text_color_setting,
				)
			)
		);

		// Overlay color + opacity (for background images).
		$wp_customize->add_setting(
			$overlay_color_setting,
			array(
				'default'           => '#000000',
				'sanitize_callback' => 'sanitize_hex_color',
			)
		);

		$wp_customize->add_control(
			new WP_Customize_Color_Control(
				$wp_customize,
				$overlay_color_setting,
				array(
					'label'       => __( 'Colore overlay immagine', 'tents-singlepage-child' ),
					'description' => __( 'Usato solo se la sezione ha un’immagine di sfondo.', 'tents-singlepage-child' ),
					'section'     => $section_id,
					'settings'    => $overlay_color_setting,
				)
			)
		);

		$wp_customize->add_setting(
			$overlay_opacity_setting,
			array(
				'default'           => '0.4',
				'sanitize_callback' => 'tents_singlepage_sanitize_opacity',
			)
		);

		$wp_customize->add_control(
			$overlay_opacity_setting,
			array(
				'label'       => __( 'Opacità overlay', 'tents-singlepage-child' ),
				'description' => __( '0 = trasparente, 1 = completamente coprente.', 'tents-singlepage-child' ),
				'section'     => $section_id,
				'type'        => 'range',
				'input_attrs' => array(
					'min'  => 0,
					'max'  => 1,
					'step' => 0.05,
				),
			)
		);

		$wp_customize->add_setting(
			$banner_text_setting,
			array(
				'default'           => '',
				'sanitize_callback' => 'sanitize_text_field',
			)
		);

		$wp_customize->add_control(
			$banner_text_setting,
			array(
				'label'       => __( 'Striscia in basso — testo', 'tents-singlepage-child' ),
				'description' => __( 'Se compilato, mostra in fondo alla sezione una striscia verde con testo bianco centrato (es. «CI RIFIUTIAMO DI ESSERE NEMICI»).', 'tents-singlepage-child' ),
				'section'     => $section_id,
				'type'        => 'text',
			)
		);

		$wp_customize->add_setting(
			$hide_title_setting,
			array(
				'default'           => 0,
				'sanitize_callback' => 'tents_singlepage_sanitize_checkbox',
			)
		);

		$wp_customize->add_control(
			$hide_title_setting,
			array(
				'label'       => __( 'Nascondi titolo sezione', 'tents-singlepage-child' ),
				'description' => __( 'Non mostra il titolo della pagina in questa striscia.', 'tents-singlepage-child' ),
				'section'     => $section_id,
				'type'        => 'checkbox',
			)
		);

		tents_singlepage_register_section_stack_button_settings( $wp_customize, $section_id, $slug );
	}

	// Sezione Social (Facebook, Instagram, YouTube) nel Customizer.
	$wp_customize->add_section(
		'tents_singlepage_social',
		array(
			'title'    => __( 'Link Social header', 'tents-singlepage-child' ),
			'priority' => 10,
		)
	);

	// Facebook URL.
	$wp_customize->add_setting(
		'tents_social_facebook_url',
		array(
			'default'           => '',
			'sanitize_callback' => 'esc_url_raw',
		)
	);

	$wp_customize->add_control(
		'tents_social_facebook_url',
		array(
			'label'       => __( 'URL pagina Facebook', 'tents-singlepage-child' ),
			'description' => __( 'Es: https://www.facebook.com/tua-pagina', 'tents-singlepage-child' ),
			'section'     => 'tents_singlepage_social',
			'type'        => 'url',
		)
	);

	// Instagram URL.
	$wp_customize->add_setting(
		'tents_social_instagram_url',
		array(
			'default'           => '',
			'sanitize_callback' => 'esc_url_raw',
		)
	);

	$wp_customize->add_control(
		'tents_social_instagram_url',
		array(
			'label'       => __( 'URL profilo Instagram', 'tents-singlepage-child' ),
			'description' => __( 'Es: https://www.instagram.com/tuo-profilo', 'tents-singlepage-child' ),
			'section'     => 'tents_singlepage_social',
			'type'        => 'url',
		)
	);

	// YouTube URL.
	$wp_customize->add_setting(
		'tents_social_youtube_url',
		array(
			'default'           => '',
			'sanitize_callback' => 'esc_url_raw',
		)
	);

	$wp_customize->add_control(
		'tents_social_youtube_url',
		array(
			'label'       => __( 'URL canale YouTube', 'tents-singlepage-child' ),
			'description' => __( 'Es: https://www.youtube.com/@tuo-canale', 'tents-singlepage-child' ),
			'section'     => 'tents_singlepage_social',
			'type'        => 'url',
		)
	);
}
add_action( 'customize_register', 'tents_singlepage_customize_register' );


/**
 * Get primary menu sections based on top-level menu items.
 *
 * Each section corresponds to a top-level item in the primary menu that points to a page.
 *
 * @return array
 */
function tents_singlepage_get_sections() {
	$sections  = array();
	$locations = get_nav_menu_locations();

	if ( empty( $locations['top'] ) ) {
		return $sections;
	}

	$menu      = wp_get_nav_menu_object( $locations['top'] );
	$menu_items = wp_get_nav_menu_items( $menu->term_id );

	if ( empty( $menu_items ) ) {
		return $sections;
	}

	foreach ( $menu_items as $item ) {
		// Consider only top-level items that point to pages.
		if ( (int) $item->menu_item_parent !== 0 ) {
			continue;
		}
		if ( $item->object !== 'page' || empty( $item->object_id ) ) {
			continue;
		}

		$page = get_post( $item->object_id );
		if ( ! $page ) {
			continue;
		}

		$slug = $page->post_name;

		// Build section data.
		$sections[] = array(
			'id'           => 'section-' . sanitize_title( $slug ),
			'slug'         => $slug,
			'menu_title'   => $item->title,
			'page_id'      => $page->ID,
			'title'        => get_the_title( $page ),
			'content'      => apply_filters( 'the_content', $page->post_content ),
		);
	}

	return $sections;
}


/**
 * Build the homepage URL for a section anchor.
 *
 * @param string $slug Page slug.
 * @return string
 */
function tents_singlepage_get_section_url( $slug ) {
	return home_url( '/' ) . '#section-' . sanitize_title( $slug );
}

/**
 * Rewrite primary menu links: top-level → homepage section anchors; nested → page URLs.
 *
 * First-level items always point to `/#section-{slug}` (from any page on the site).
 * Second level and deeper keep their normal permalinks.
 */
function tents_singlepage_filter_nav_menu_link_attributes( $atts, $item, $args ) {
	if ( empty( $args->theme_location ) || 'top' !== $args->theme_location ) {
		return $atts;
	}

	if ( (int) $item->menu_item_parent !== 0 ) {
		if ( 'page' === $item->object && ! empty( $item->object_id ) ) {
			$atts['href'] = get_permalink( (int) $item->object_id );
		}

		return $atts;
	}

	if ( 'page' === $item->object && ! empty( $item->object_id ) ) {
		$page = get_post( $item->object_id );
		if ( $page ) {
			$atts['href'] = tents_singlepage_get_section_url( $page->post_name );
		}
	}

	return $atts;
}
add_filter( 'nav_menu_link_attributes', 'tents_singlepage_filter_nav_menu_link_attributes', 10, 3 );