<?php
/**
 * Flash Theme Customizer.
 *
 * @package Flash
 */


add_action(
	'init',
	function () {
		global $flash_page_layout, $flash_metabox_field_transparency;
		$flash_page_layout = array(
			'default-layout'    => array(
				'id'    => 'flash_page_layout',
				'value' => 'default-layout',
				'label' => esc_html__( 'Default Layout', 'flash' ),
			),
			'right-sidebar'     => array(
				'id'    => 'flash_page_layout',
				'value' => 'right-sidebar',
				'label' => esc_html__( 'Right Sidebar', 'flash' ),
			),
			'left-sidebar'      => array(
				'id'    => 'flash_page_layout',
				'value' => 'left-sidebar',
				'label' => esc_html__( 'Left Sidebar', 'flash' ),
			),
			'full-width'        => array(
				'id'    => 'flash_page_layout',
				'value' => 'full-width',
				'label' => esc_html__( 'Full Width', 'flash' ),
			),
			'full-width-center' => array(
				'id'    => 'flash_page_layout',
				'value' => 'full-width-center',
				'label' => esc_html__( 'Full Width Center', 'flash' ),
			),
		);

		$flash_metabox_field_transparency = array(
			array(
				'id'    => 'flash_transparency',
				'value' => 'transparent',
				'label' => esc_html__( 'Transparent Header', 'flash' ),
			),
			array(
				'id'    => 'flash_transparency',
				'value' => 'non-transparent',
				'label' => esc_html__( 'Non Transparent Header', 'flash' ),
			),
		);
		add_action( 'add_meta_boxes', 'flash_add_custom_box' );
	}
);

/**
 * Add Meta Boxes.
 */
function flash_add_custom_box() {
	add_meta_box( 'page-layout', esc_html__( 'Select Layout', 'flash' ), 'flash_layout_call', 'page', 'side', 'default' );
	add_meta_box( 'page-layout', esc_html__( 'Select Layout', 'flash' ), 'flash_layout_call', 'post', 'side', 'default' );
	add_meta_box( 'header-transparency', esc_html__( 'Header Transparency', 'flash' ), 'flash_transparency_call', array( 'page' ), 'side' );
}
function flash_layout_call() {
	global $flash_page_layout;
	flash_meta_form( $flash_page_layout );
}

function flash_transparency_call() {
	global $flash_metabox_field_transparency;
	flash_meta_form( $flash_metabox_field_transparency );
}


/**
 * Displays metabox to for select layout option
 */
function flash_meta_form( $flash_metabox_field ) {
	global $post;

	// Use nonce for verification
	wp_nonce_field( basename( __FILE__ ), 'flash_meta_nonce' );

	foreach ( $flash_metabox_field as $field ) {
		$flash_meta = get_post_meta( $post->ID, $field['id'], true );

		switch ( $field['id'] ) {

			// Layout
			case 'flash_page_layout':
				if ( empty( $flash_meta ) ) {
					$flash_meta = 'default-layout'; } ?>

				<input id="flash-layout-type-<?php echo esc_attr( $field['value'] ); ?>" class="post-format" type="radio" name="<?php echo esc_attr( $field['id'] ); ?>" value="<?php echo esc_attr( $field['value'] ); ?>" <?php checked( $field['value'], $flash_meta ); ?>/>
				<label class="post-format-icon" for="flash-layout-type-<?php echo esc_attr( $field['value'] ); ?>"><?php echo esc_html( $field['label'] ); ?></label><br/>
				<?php

				break;

			// Team Designation
			case 'flash_transparency':
				if ( empty( $flash_meta ) ) {
					$flash_meta = 'non-transparent'; }
				?>

				<input id="flash-header-type-<?php echo esc_attr( $field['value'] ); ?>" class="post-format" type="radio" name="<?php echo esc_attr( $field['id'] ); ?>" value="<?php echo esc_attr( $field['value'] ); ?>" <?php checked( $field['value'], $flash_meta ); ?>/>
				<label class="post-format-icon" for="flash-header-type-<?php echo esc_attr( $field['value'] ); ?>"><?php echo esc_html( $field['label'] ); ?></label><br/>
				<?php
				break;
		}
	}
}

add_action( 'save_post', 'flash_save_custom_meta' );
/**
 * save the custom metabox data
 * @hooked to save_post hook
 */
function flash_save_custom_meta( $post_id ) {
	global $flash_page_layout, $flash_metabox_field_transparency, $post;

	// Verify the nonce before proceeding.
	if ( ! isset( $_POST['flash_meta_nonce'] ) || ! wp_verify_nonce( $_POST['flash_meta_nonce'], basename( __FILE__ ) ) ) {
		return;
	}

	// Stop WP from clearing custom fields on autosave
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	if ( 'page' == $_POST['post_type'] ) {
		if ( ! current_user_can( 'edit_page', $post_id ) ) {
			return $post_id;
		}
	} elseif ( ! current_user_can( 'edit_post', $post_id ) ) {
		return $post_id;
	}

	foreach ( $flash_page_layout as $field ) {
		//Execute this saving function
		$old = get_post_meta( $post_id, $field['id'], true );
		$new = sanitize_text_field( $_POST[ $field['id'] ] );
		if ( $new && $new != $old ) {
			update_post_meta( $post_id, $field['id'], $new );
		} elseif ( '' == $new && $old ) {
			delete_post_meta( $post_id, $field['id'], $old );
		}
	} // end foreach

	// loop through fields and save the data
	foreach ( $flash_metabox_field_transparency as $field ) {
		$old = get_post_meta( $post_id, $field['id'], true );
		$new = ( isset( $_POST[ $field['id'] ] ) ? sanitize_text_field( $_POST[ $field['id'] ] ) : '' );
		if ( $new && $new != $old ) {
			update_post_meta( $post_id, $field['id'], $new );
		} elseif ( '' == $new && $old ) {
			delete_post_meta( $post_id, $field['id'], $old );
		}
	} // end foreach
}