<?php

use WPML\FP\Obj;
use WPML\FP\Fns;
use function WCML\functions\getClientCurrency;

/**
 * @see https://wordpress.org/plugins/woocommerce-paypal-payments/
 */
class WCML_Payment_Gateway_PayPal_V2 extends WCML_Payment_Gateway_PayPal {

	const ID = 'ppcp-gateway';

	const FIELDS = [
		'merchant_email',
		'merchant_id',
		'client_id',
		'client_secret',
		'currency',
	];

	const BEARER_TOKEN_TRANSIENT = 'ppcp-paypal-bearerppcp-bearer';

	public function get_output_model() {
		return [
			'id'          => $this->get_id(),
			'title'       => $this->get_title(),
			'isSupported' => true,
			'settings'    => $this->get_currencies_details(),
			'tooltip'     => '',
			'strings'     => [
				'labelCurrency'       => __( 'Currency', 'woocommerce-multilingual' ),
				'labelPayPalEmail'    => __( 'PayPal Email', 'woocommerce-multilingual' ),
				'labelMerchantId'     => __( 'Merchant ID', 'woocommerce-multilingual' ),
				'labelClientId'       => __( 'Client ID', 'woocommerce-multilingual' ),
				'labelSecretKey'      => __( 'Secret Key', 'woocommerce-multilingual' ),
				// translators: %s is currency code.
				'tooltipNotSupported' => __( 'This gateway does not support %s. To show this gateway please select another currency.', 'woocommerce-multilingual' ),
			],
		];
	}

	/**
	 * @return array
	 */
	public function get_currencies_details() {
		$currencies_details     = [];
		$default_currency       = wcml_get_woocommerce_currency_option();
		$woocommerce_currencies = get_woocommerce_currencies();

		foreach ( $woocommerce_currencies as $code => $currency ) {
			if ( $default_currency === $code ) {
				$getSetting = Obj::propOr( '', Fns::__, $this->get_gateway()->settings );
			} else {
				$getSetting = Obj::propOr( '', Fns::__, $this->get_setting( $code ) );
			}

			foreach ( self::FIELDS as $key ) {
				$currencies_details[ $code ][ $key ] = $getSetting( $key );
			}

			$currencies_details[ $code ]['isValid'] = $this->is_valid_for_use( $code );
		}

		return $currencies_details;
	}

	public function add_hooks() {

	}

	/**
	 * @param array $settings
	 *
	 * @return array
	 */
	public static function filter_ppcp_args( $settings ) {
		if ( is_admin() ) {
			return $settings;
		}

		$gateway = Obj::prop( getClientCurrency(), get_option( self::OPTION_KEY . self::ID, [] ) );

		if ( $gateway ) {
			$getSetting = Obj::prop( Fns::__, $gateway );

			foreach ( self::FIELDS as $key ) {
				$settings[ $key ] = $getSetting( $key ) ?: $settings[ $key ];
			}
		}

		return $settings;
	}

}