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<?php
/**
 * The endpoint for saving the Pay Later messaging config from the configurator.
 *
 * @package WooCommerce\PayPalCommerce\PayLaterConfigurator\Endpoint
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\PayLaterConfigurator\Endpoint;

use Psr\Log\LoggerInterface;
use Throwable;
use WooCommerce\PayPalCommerce\Button\Endpoint\RequestData;
use WooCommerce\PayPalCommerce\WcGateway\Settings\Settings;

/**
 * Class SaveConfig.
 */
class SaveConfig {
	const ENDPOINT = 'ppc-save-message-config';

/**
	 * The settings.
	 *
	 * @var Settings
	 */
	protected $settings;

/**
	 * The request data.
	 *
	 * @var RequestData
	 */
	protected $request_data;

/**
	 * The logger.
	 *
	 * @var LoggerInterface
	 */
	private $logger;

/**
	 * SaveConfig constructor.
	 *
	 * @param Settings        $settings The settings.
	 * @param RequestData     $request_data The request data.
	 * @param LoggerInterface $logger The logger.
	 */
	public function __construct(
		Settings $settings,
		RequestData $request_data,
		LoggerInterface $logger
	) {
		$this->settings     = $settings;
		$this->request_data = $request_data;
		$this->logger       = $logger;
	}

/**
	 * Returns the nonce.
	 */
	public static function nonce(): string {
		return self::ENDPOINT;
	}

/**
	 * Handles the request.
	 */
	public function handle_request(): bool {
		if ( ! current_user_can( 'manage_woocommerce' ) ) {
			wp_send_json_error( 'Not admin.', 403 );
			return false;
		}

try {
			$data = $this->request_data->read_request( $this->nonce() );

$this->save_config( $data['config']['config'] );

wp_send_json_success();
			return true;
		} catch ( Throwable $error ) {
			$this->logger->error( "SaveConfig execution failed. {$error->getMessage()} {$error->getFile()}:{$error->getLine()}" );

wp_send_json_error();
			return false;
		}
	}

/**
	 * Saves the config into the old settings.
	 *
	 * @param array $config The configurator config.
	 */
	private function save_config( array $config ): void {
		$this->settings->set( 'pay_later_enable_styling_per_messaging_location', true );
		$this->settings->set( 'pay_later_messaging_enabled', true );

$enabled_locations = array();
		foreach ( $config as $placement => $data ) {
			$this->save_config_for_location( $data, $placement );

if ( $placement === 'custom_placement' ) {
				$data = $data[0] ?? array();
			}

if ( $data['status'] === 'enabled' ) {
				$enabled_locations[] = $placement;
			}
		}

$this->settings->set( 'pay_later_messaging_locations', $enabled_locations );

$this->settings->persist();
	}

/**
	 * Saves the config for a location into the old settings.
	 *
	 * @param array  $config The configurator config for a location.
	 * @param string $location The location name in the old settings.
	 */
	private function save_config_for_location( array $config, string $location ): void {
		$this->set_value_if_present( $config, 'layout', "pay_later_{$location}_message_layout" );

$this->set_value_if_present( $config, 'color', "pay_later_{$location}_message_flex_color" );
		$this->set_value_if_present( $config, 'ratio', "pay_later_{$location}_message_flex_ratio" );

$this->set_value_if_present( $config, 'logo-position', "pay_later_{$location}_message_position" );
		$this->set_value_if_present( $config, 'logo-type', "pay_later_{$location}_message_logo" );
		$this->set_value_if_present( $config, 'logo-color', "pay_later_{$location}_message_color" );
		$this->set_value_if_present( $config, 'text-size', "pay_later_{$location}_message_text_size" );
		$this->set_value_if_present( $config, 'text-color', "pay_later_{$location}_message_color" );
	}

/**
	 * Sets the value in the settings if it is available in the config.
	 *
	 * @param array  $config The configurator config.
	 * @param string $key The key in the config.
	 * @param string $settings_key The key in the settings.
	 */
	private function set_value_if_present( array $config, string $key, string $settings_key ): void {
		if ( isset( $config[ $key ] ) ) {
			$this->settings->set( $settings_key, $config[ $key ] );
		}
	}
}