<?php
/**
 * Emails: Settings
 *
 * @package SimplePay\Pro\Emails
 * @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\Pro\Emails\Settings;

use SimplePay\Core\Utils;
use SimplePay\Core\Settings;
use SimplePay\Core\i18n;
use function SimplePay\Pro\Emails\get_webhook_requirement_note;

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

/**
 * Registers settings section.
 *
 * @since 4.0.0
 *
 * @param \SimplePay\Core\Settings\Section_Collection $sections Section collection.
 */
function register_sections( $sections ) {
	$sections->add(
		new Settings\Section(
			array(
				'id'       => 'emails',
				'label'    => esc_html_x(
					'Emails',
					'settings subsection label',
					'simple-pay'
				),
				'priority' => 60,
			)
		)
	);
}
add_action( 'simpay_register_settings_sections', __NAMESPACE__ . '\\register_sections' );

/**
 * Registers settings subsections.
 *
 * @since 4.0.0
 *
 * @param \SimplePay\Core\Settings\Subsections_Collection $subsections Subsections collection.
 */
function register_subsections( $subsections ) {
	// General.
	$subsections->add(
		new Settings\Subsection(
			array(
				'id'       => 'general',
				'section'  => 'emails',
				'label'    => esc_html_x(
					'General',
					'settings subsection label',
					'simple-pay'
				),
				'priority' => 10,
			)
		)
	);

	// Active emails.
	$emails = Utils\get_collection( 'emails' );

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

	$priority = 20;

	/* @var $emails \SimplePay\Pro\Emails\Email[] */
	foreach ( $emails->get_items() as $email ) {
		if ( false === $email->is_active() ) {
			continue;
		}

		$subsections->add(
			new Settings\Subsection(
				array(
					'id'       => $email->id,
					'section'  => 'emails',
					'label'    => $email->label,
					'priority' => $priority,
				)
			)
		);

		$priority = $priority + 10;
	}
}
add_action( 'simpay_register_settings_subsections', __NAMESPACE__ . '\\register_subsections' );

/**
 * Registers email settings.
 *
 * @since 4.0.0
 *
 * @param \SimplePay\Core\Settings\Setting_Collection $settings Settings collection.
 */
function register_settings( $settings ) {
	register_general_settings( $settings );
	register_email_settings( $settings );
}
add_action( 'simpay_register_settings', __NAMESPACE__ . '\\register_settings' );

/**
 * Registers the general settings for emails.
 *
 * @since 4.0.0
 *
 * @param \SimplePay\Core\Settings\Setting_Collection $settings Settings collection.
 */
function register_general_settings( $settings ) {
	// Setup.
	$settings->add(
		new Settings\Setting(
			array(
				'id'         => 'email_setup',
				'section'    => 'emails',
				'subsection' => 'general',
				'label'      => esc_html_x(
					'Setup',
					'setting label',
					'simple-pay'
				),
				'output'     => function() {
					echo wpautop(
						wp_kses(
							sprintf(
								/* translators: %1$s Opening anchor tag, do not translate. %2$s Closing anchor tag, do not translate. */
								__( 'Have questions about managing emails? %1$sView the email documentation%2$s', 'simple-pay' ),
								'<a href="' . simpay_docs_link( '', 'emails', 'global-settings', true ) . '" target="_blank" rel="noopener noreferrer" class="simpay-external-link">',
								Utils\get_external_link_markup() . '</a>'
							),
							array(
								'a'    => array(
									'href'   => true,
									'class'  => true,
									'target' => true,
									'rel'    => true,
								),
								'span' => array(
									'class' => 'screen-reader-text',
								),
							)
						)
					);

					echo get_webhook_requirement_note(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
				},
				'priority'   => 10,
			)
		)
	);

	// From name.
	$settings->add(
		new Settings\Setting_Input(
			array(
				'id'          => 'email_from_name',
				'section'     => 'emails',
				'subsection'  => 'general',
				'label'       => esc_html_x(
					'From Name',
					'setting label',
					'simple-pay'
				),
				'value'       => simpay_get_setting(
					'email_from_name',
					get_site_option( 'blogname' )
				),
				'description' => wpautop(
					esc_html__(
						'The name that emails come from. This is usually your site name.',
						'simple-pay'
					)
				),
				'classes'     => array(
					'regular-text',
				),
				'priority'    => 20,
			)
		)
	);

	// From email.
	$settings->add(
		new Settings\Setting_Input(
			array(
				'id'          => 'email_from_address',
				'section'     => 'emails',
				'subsection'  => 'general',
				'label'       => esc_html_x(
					'From Address',
					'setting label',
					'simple-pay'
				),
				'value'       => simpay_get_setting(
					'email_from_address',
					get_site_option( 'admin_email' )
				),
				'description' => wpautop(
					esc_html__(
						'The email address to send emails from. This will act as the "from" and "reply-to" address.',
						'simple-pay'
					)
				),
				'classes'     => array(
					'regular-text',
				),
				'priority'    => 30,
			)
		)
	);
}

/**
 * Registers the settings for active emails.
 *
 * @since 4.0.0
 *
 * @param \SimplePay\Core\Settings\Setting_Collection $settings Settings collection.
 */
function register_email_settings( $settings ) {
	$emails = Utils\get_collection( 'emails' );

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

	/* @var $emails \SimplePay\Pro\Emails\Email[] */
	foreach ( $emails->get_items() as $email ) {
		if ( false === $email->is_active() ) {
			continue;
		}

		$email->register_settings( $settings );
	}
}

/**
 * Sanitizes Email settings.
 *
 * @since 4.0.0
 *
 * @param array $settings Settings to save.
 * @return array $settings Setttings to save.
 */
function sanitize_settings( $settings ) {
	// Ensure a valid "From Address".
	if ( isset( $settings['email_from_address'] ) ) {
		if ( ! is_email( $settings['email_from_address'] ) ) {
			$settings['email_from_address'] = get_bloginfo( 'admin_email' );
		}
	} else {
		$settings['email_from_address'] = get_bloginfo( 'admin_email' );
	}

	return $settings;
}
add_filter( 'simpay_update_settings', __NAMESPACE__ . '\\sanitize_settings' );