<?php
/**
 * Settings: Display
 *
 * @package SimplePay\Core\Settings
 * @copyright Copyright (c) 2020, Sandhills Development, LLC
 * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since 4.0.0
 */

namespace SimplePay\Core\Settings;

use SimplePay\Core\Utils;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Outputs the setting's primary navigation.
 *
 * @since 4.0.0
 *
 * @param string $current_section Current Section ID.
 */
function primary_nav( $current_section ) {
	$sections = Utils\get_collection( 'settings-sections' );

	if ( false === $sections ) {
		return;
	}

	$tabs = $sections->get_items();
	?>

	<div class="clear"></div>
	<h2 class="nav-tab-wrapper simpay-nav-tab-wrapper">
		<?php
		foreach ( $tabs as $tab ) :
			$url = get_url(
				array(
					'section' => $tab->id,
				)
			);

			$active_class = $current_section === $tab->id
				? 'nav-tab-active'
				: ''
			?>
		<a
			href="<?php echo esc_url( $url ); ?>"
			class="nav-tab <?php echo esc_attr( $active_class ); ?>"
		>
			<?php echo wp_kses_post( $tab->label ); ?>
		</a>
		<?php endforeach; ?>


		<?php
		/**
		 * Allows furhter output after settings tabs.
		 *
		 * @since 3.0.0
		 */
		do_action( 'simpay_admin_page_settings_tabs' );
		?>
	</h2>

	<?php
}

/**
 * Outputs the setting's secondary navigation.
 *
 * @since 4.0.0
 *
 * @param string $current_subsection Current Subsection ID.
 */
function secondary_nav( $current_subsection ) {
	$sections    = Utils\get_collection( 'settings-sections' );
	$subsections = Utils\get_collection( 'settings-subsections' );

	if ( false === $sections || false === $subsections ) {
		return;
	}

	// Get current Subsection.
	$subsection = $subsections->get_item( $current_subsection );

	if ( false === $subsection ) {
		return;
	}

	// Get current Section.
	$section = $sections->get_item( $subsection->section );

	if ( false === $section ) {
		return;
	}

	// Get the current Section's Subsections.
	$tabs = $section->get_subsections();

	// Don't output if there is only one registered Subsection.
	if ( 1 === count( $tabs ) ) {
		return;
	}
	?>

	<nav class="simpay-settings-subsections">
		<?php
		foreach ( $tabs as $tab ) :
			$url = get_url(
				array(
					'section'    => $tab->section,
					'subsection' => $tab->id,
				)
			);

			$active_class = $current_subsection === $tab->id
				? 'is-active'
				: ''
			?>
		<a
			href="<?php echo esc_url( $url ); ?>"
			class="simpay-settings-subsections__subsection <?php echo esc_attr( $active_class ); ?>"
		>
			<?php echo wp_kses_post( $tab->label ); ?>
		</a>
		<?php endforeach; ?>
	</nav>

	<?php
}

/**
 * Outputs relevant registered Sections, Subsections, and Settings for the
 * current view.
 *
 * @since 4.0.0
 */
function page() {
	$section = ! empty( $_GET['tab'] )
		? sanitize_key( $_GET['tab'] )
		: get_main_section_id();

	$subsection = ! empty( $_GET['subsection'] )
		? sanitize_key( $_GET['subsection'] )
		: get_main_subsection_id( $section );

	$sidebar       = apply_filters(
		'simpay_settings_sidebar_template',
		SIMPLE_PAY_INC . 'core/admin/notices/promos/general/sidebar.php'
	);
	$sidebar_class = ! empty( $sidebar )
		? 'simpay-global-settings--has-sidebar'
		: null;

	// Find the legacy "page" value for hook/filter compatibility.
	switch ( $section ) {
		case 'stripe':
			$page = 'keys';
			break;
		case 'payment-confirmations':
			$page = 'display';
			break;
		default:
			$page = $section;
	}
	?>

	<div
		id="simpay-global-settings"
		class="wrap <?php echo esc_attr( $sidebar_class ); ?>"
	>
		<h1 class="wp-heading-inline">
			<?php esc_html_e( 'Settings', 'simple-pay' ); ?>
		</h1>

		<hr class="wp-header-end">

		<div class="wp-clearfix">
			<div
				id="simpay-settings-left"
				class="simpay-settings <?php echo esc_attr( $section . '-' . $subsection ); ?>"
			>

				<?php
				settings_errors();
				primary_nav( $section );
				secondary_nav( $subsection );
				?>

				<form method="post" action="options.php">
					<?php
					/**
					 * Allows output before a settings section.
					 *
					 * @since 3.0.0
					 */
					do_action( 'simpay_admin_page_settings_' . $page . '_start' );

					settings_fields( 'simpay_settings' );

					do_settings_sections(
						sprintf(
							'simpay_settings_%s_%s',
							$section,
							$subsection
						)
					);

					/**
					 * Allows output after a settings section.
					 *
					 * @since 3.0.0
					 */
					do_action( 'simpay_admin_page_settings_' . $page . '_end' );

					/**
					 * Filters the display of the setting's "Submit" button.
					 *
					 * @since 3.0.0
					 *
					 * @param bool $submit If the submit button should display. Default true.
					 */
					$submit = apply_filters(
						'simpay_admin_page_settings_' . $page . '_submit',
						true
					);

					if ( true === $submit ) {
						submit_button();
					}
					?>

					<input type="hidden" name="section" value="<?php echo esc_attr( $section ); ?>" />
					<input type="hidden" name="subsection" value="<?php echo esc_attr( $subsection ); ?>" />
				</form>

			</div>

			<div id="simpay-settings-sidebar-right">
				<?php
				if ( ! empty( $sidebar ) ) :
					include_once $sidebar;
				endif;
				?>
			</div>

			<br class="simpay-clearfix">
		</div>
	</div>

	<?php
}

/**
 * Adds script data to visually toggle registered settings.
 *
 * @since 4.0.0
 */
function register_setting_toggles() {
	$section = ! empty( $_GET['tab'] )
		? sanitize_key( $_GET['tab'] )
		: get_main_section_id();

	$subsection = ! empty( $_GET['subsection'] )
		? sanitize_key( $_GET['subsection'] )
		: get_main_subsection_id( $section );

	$settings = Utils\get_collection( 'settings' );

	if ( false === $settings ) {
		return;
	}

	$settings = $settings->by( 'subsection', $subsection );

	$toggles = array();

	foreach ( $settings as $setting ) {
		if ( empty( $setting->toggles ) ) {
			continue;
		}

		$toggles[] = array(
			'id'      => $setting->id,
			'value'   => $setting->toggles['value'],
			'toggles' => $setting->toggles['settings'],
		);
	}

	wp_localize_script(
		'simpay-admin',
		'simpayAdminSettingToggles',
		$toggles
	);
}
add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\\register_setting_toggles', 20 );