<?php

/* Handle the nav menu icon */

if ( ! function_exists( 'vantage_filter_nav_menu_items' ) ) {
	function vantage_filter_nav_menu_items( $item_output, $item, $depth, $args ) {
		$object_type = get_post_meta( $item->ID, '_menu_item_object', true );

		if ( $object_type == 'page' ) {
			$object_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
			$icon = get_post_meta( $object_id, 'vantage_menu_icon', true );

			if ( siteorigin_setting( 'navigation_home_icon' ) && ( strpos( $item_output, 'href="' . home_url( '/' ) . '"', 0 ) !== false || strpos( $item_output, 'href="' . home_url() . '"', 0 ) !== false ) ) {
				$item_output = str_replace( '<span class="icon"></span>', '<span class="fa fa-home"></span>', $item_output );
			} elseif ( ! empty( $icon ) ) {
				$icon = apply_filters( 'vantage_fontawesome_icon_name', $icon );
				$item_output = str_replace( '<span class="icon"></span>', '<span class="' . esc_attr( $icon ) . '"></span>', $item_output );
			} else {
				$item_output = str_replace( '<span class="icon"></span>', '', $item_output );
			}
		} elseif ( $object_type == 'custom' ) {
			if ( siteorigin_setting( 'navigation_home_icon' ) && ( strpos( $item_output, 'href="' . home_url( '/' ) . '"', 0 ) !== false || strpos( $item_output, 'href="' . home_url() . '"', 0 ) !== false ) ) {
				$item_output = str_replace( '<span class="icon"></span>', '<span class="fa fa-home"></span>', $item_output );
			}
		} else {
			$item_output = str_replace( '<span class="icon"></span>', '', $item_output );
		}

		return $item_output;
	}
}
add_filter( 'walker_nav_menu_start_el', 'vantage_filter_nav_menu_items', 10, 4 );

if ( ! function_exists( 'vantage_menu_icon_metabox' ) ) {
	/**
	 * Add the metabox for menu icon.
	 */
	function vantage_menu_icon_metabox() {
		add_meta_box(
			'vantage-menu-icon-metabox',
			__( 'Menu Icon', 'vantage' ),
			'vantage_menu_icon_metabox_render',
			'page',
			'side'
		);
	}
}
add_action( 'add_meta_boxes', 'vantage_menu_icon_metabox' );

if ( ! function_exists( 'vantage_menu_icon_metabox_render' ) ) {
	function vantage_menu_icon_metabox_render( $post ) {
		$icons = include get_template_directory() . '/fontawesome/icons.php';
		$sections = include get_template_directory() . '/fontawesome/icon-sections.php';
		$current = get_post_meta( $post->ID, 'vantage_menu_icon', true );

		if ( ! empty( $current ) ) {
			$current = apply_filters( 'vantage_fontawesome_icon_name', $current );
		}

		?>
		<select name="vantage_menu_icon">
			<option value="" <?php selected( $current ); ?>><?php esc_html_e( 'None', 'vantage' ); ?></option>
			<?php foreach ( $icons as $section => $s_icons ) { ?>
				<?php if ( isset( $sections[ $section ] ) ) { ?><optgroup label="<?php echo esc_attr( $sections[ $section ] ); ?>"><?php } ?>
					<?php foreach ( $s_icons as $icon ) { ?>
						<option value="<?php echo esc_attr( $icon ); ?>" <?php selected( $current, $icon ); ?>><?php echo esc_html( vantage_icon_get_name( $icon ) ); ?></option>
					<?php } ?>
				</optgroup>
			<?php } ?>
		</select>
		<?php
		wp_nonce_field( 'save_post_icon', '_vantage_menuicon_nonce' );
	}
}

if ( ! function_exists( 'vantage_icon_get_name' ) ) {
	/**
	 * @return string
	 */
	function vantage_icon_get_name( $icon ) {
		$name = preg_replace( '/^icon-/', '', $icon );
		$name = preg_replace( '/^fa fa-/', '', $name );
		$name = str_replace( '-', ' ', $name );
		$name = ucwords( $name );

		return $name;
	}
}

if ( ! function_exists( 'vantage_menu_icon_save' ) ) {
	/**
	 * Save the post icon setting.
	 */
	function vantage_menu_icon_save( $post_id ) {
		if ( empty( $_POST['_vantage_menuicon_nonce'] ) || ! wp_verify_nonce( $_POST['_vantage_menuicon_nonce'], 'save_post_icon' ) ) {
			return;
		}

		if ( ! current_user_can( 'edit_post', $post_id ) );
		update_post_meta( $post_id, 'vantage_menu_icon', $_POST['vantage_menu_icon'] );
	}
}
add_action( 'save_post', 'vantage_menu_icon_save' );