<?php
/**
 * The Create Payment Token endpoint.
 *
 * @package WooCommerce\PayPalCommerce\ApiClient\Endpoint
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\SavePaymentMethods\Endpoint;

use Exception;
use WooCommerce\PayPalCommerce\ApiClient\Endpoint\PaymentMethodTokensEndpoint;
use WooCommerce\PayPalCommerce\ApiClient\Entity\PaymentSource;
use WooCommerce\PayPalCommerce\Button\Endpoint\EndpointInterface;
use WooCommerce\PayPalCommerce\Button\Endpoint\RequestData;
use WooCommerce\PayPalCommerce\Vaulting\WooCommercePaymentTokens;

/**
 * Class CreatePaymentToken
 */
class CreatePaymentToken implements EndpointInterface {

	const ENDPOINT = 'ppc-create-payment-token';

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

	/**
	 * The payment method tokens endpoint.
	 *
	 * @var PaymentMethodTokensEndpoint
	 */
	private $payment_method_tokens_endpoint;

	/**
	 * The WC payment tokens.
	 *
	 * @var WooCommercePaymentTokens
	 */
	private $wc_payment_tokens;

	/**
	 * CreatePaymentToken constructor.
	 *
	 * @param RequestData                 $request_data The request data.
	 * @param PaymentMethodTokensEndpoint $payment_method_tokens_endpoint The payment method tokens endpoint.
	 * @param WooCommercePaymentTokens    $wc_payment_tokens The WC payment tokens.
	 */
	public function __construct(
		RequestData $request_data,
		PaymentMethodTokensEndpoint $payment_method_tokens_endpoint,
		WooCommercePaymentTokens $wc_payment_tokens
	) {
		$this->request_data                   = $request_data;
		$this->payment_method_tokens_endpoint = $payment_method_tokens_endpoint;
		$this->wc_payment_tokens              = $wc_payment_tokens;
	}

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

	/**
	 * Handles the request.
	 *
	 * @return bool
	 * @throws Exception On Error.
	 */
	public function handle_request(): bool {
		try {
			$data        = $this->request_data->read_request( $this->nonce() );
			$wc_token_id = 0;

			/**
			 * Suppress ArgumentTypeCoercion
			 *
			 * @psalm-suppress ArgumentTypeCoercion
			 */
			$payment_source = new PaymentSource(
				'token',
				(object) array(
					'id'   => $data['vault_setup_token'],
					'type' => 'SETUP_TOKEN',
				)
			);

			$customer_id = get_user_meta( get_current_user_id(), '_ppcp_target_customer_id', true );

			$result = $this->payment_method_tokens_endpoint->create_payment_token( $payment_source, $customer_id );

			if ( is_user_logged_in() && isset( $result->customer->id ) ) {
				$current_user_id = get_current_user_id();
				update_user_meta( $current_user_id, '_ppcp_target_customer_id', $result->customer->id );

				if ( isset( $result->payment_source->paypal ) ) {
					$email = '';
					if ( isset( $result->payment_source->paypal->email_address ) ) {
						$email = $result->payment_source->paypal->email_address;
					}

					$wc_token_id = $this->wc_payment_tokens->create_payment_token_paypal(
						$current_user_id,
						$result->id,
						$email
					);
				}

				if ( isset( $result->payment_source->card ) ) {
					$wc_token_id = $this->wc_payment_tokens->create_payment_token_card( $current_user_id, $result );

					$is_free_trial_cart = $data['is_free_trial_cart'] ?? '';
					if ( $is_free_trial_cart === '1' ) {
						WC()->session->set( 'ppcp_card_payment_token_for_free_trial', $wc_token_id );
					}
				}
			}

			wp_send_json_success( $wc_token_id );
			return true;
		} catch ( Exception $exception ) {
			wp_send_json_error();
			return false;
		}
	}
}
