<?php

namespace Payplug\PayplugWoocommerce\Gateway;

// Exit if accessed directly
if (!defined('ABSPATH')) {
	exit;
}

use Payplug\Authentication;
use Payplug\Exception\ConfigurationException;
use Payplug\Exception\HttpException;
use Payplug\Payplug;
use Payplug\PayplugWoocommerce\Controller\IntegratedPayment;
use Payplug\PayplugWoocommerce\Helper\Lock;
use Payplug\PayplugWoocommerce\PayplugWoocommerceHelper;
use Payplug\PayplugWoocommerce\Traits\ServiceGetter;
use Payplug\Resource\Payment as PaymentResource;
use Payplug\Resource\Refund as RefundResource;
use WC_Blocks_Utils;
use WC_Payment_Gateway_CC;
use WC_Payment_Tokens;

/**
 * PayPlug WooCommerce Gateway.
 *
 * @package Payplug\PayplugWoocommerce\Gateway
 */
class PayplugGateway extends WC_Payment_Gateway_CC
{
	use ServiceGetter;

	const OPTION_NAME = "payplug_config";

	/**
	 * @var string
	 */
	public $mode;
	/**
	 * @var bool
	 */
	public $debug;
	/**
	 * @var string
	 */
	public $email;
	/**
	 * @var string
	 */
	public $embedded_mode;
	/**
	 * @var bool
	 */
	public $save_card;

	/**
	 * @var string
	 */
	public $oney_type;

	/**
	 * @var string
	 */
	public $oney_product_animation;

	/**
	 * @var PayplugGatewayRequirements
	 */
	private $requirements;

	/**
	 * @var PayplugPermissions
	 */
	private $permissions;

	/**
	 * @var PayplugResponse
	 */
	public $response;

	/**
	 * @var PayplugApi
	 */
	public $payplug_api;

	/**
	 * @var \WC_Logger
	 */
	protected static $log;

	/**
	 * @var bool
	 */
	protected static $log_enabled;

	/**
	 * @var float
	 */
	const MIN_AMOUNT = 0.99;

	/**
	 * @var float
	 */
	const MAX_AMOUNT = 20000;

	/**
	 * @var string
	 */
	private $payplug_merchant_country = 'FR';

	protected $oney_response;
	public $min_oney_price, $oney_thresholds_min;
	public $max_oney_price, $oney_thresholds_max;

	const ENABLE_ON_TEST_MODE = true;

	/**
	 * Logging method.
	 *
	 * @param string $message Log message.
	 * @param string $level Optional. Default 'info'.
	 *     emergency|alert|critical|error|warning|notice|info|debug
	 */
	public static function log($message, $level = 'info')
	{
		if (!self::$log_enabled) {
			return;
		}

		if (empty(self::$log)) {
			self::$log = PayplugWoocommerceHelper::is_pre_30() ? new \WC_Logger() : wc_get_logger();
		}

		PayplugWoocommerceHelper::is_pre_30()
			? self::$log->add('payplug_gateway', $message)
			: self::$log->log($level, $message, array('source' => 'payplug_gateway'));
	}

	/**
	 * Construct method
	 *
	 * @return void
	 */
	public function __construct()
	{
		//required plugin id
		$this->id = 'payplug';
		$this->supports = array(
			'products',
			'refunds',
			'tokenization',
		);

		$payplug_gateways = array('payplug', 'american_express', 'apple_pay', 'bancontact', 'oney_x3_with_fees', 'oney_x3_without_fees', 'oney_x4_with_fees', 'oney_x4_without_fees', 'satispay', 'ideal', 'mybank', 'wero', 'bizum', 'scalapay');

		//save buttom admin
		if ((!empty($_GET['section'])) && (in_array($_GET['section'], $payplug_gateways))) {
			$GLOBALS['hide_save_button'] = true;
		}

		$this->init_settings();
		$this->requirements = new PayplugGatewayRequirements($this);
		if ($this->user_logged_in()) {
			$this->init_payplug();
		}

		$this->mode = (bool) $this->get_configuration()->get_option('mode') ? 'live' : 'test';
		$this->debug = (bool) $this->get_configuration()->get_option('debug');
		$this->email = (string) $this->get_configuration()->get_option('email');

		//admin form
		$this->init_form_fields();

		 add_filter('woocommerce_get_customer_payment_tokens', [$this, 'filter_tokens'], 10, 3);

		self::$log_enabled = $this->debug;

		add_filter('woocommerce_get_order_item_totals', [$this, 'customize_gateway_title'], 10, 2);
		add_action('woocommerce_thankyou', [$this, 'validate_payment']);
		add_action('the_post', [$this, 'validate_payment']);
		add_action('woocommerce_available_payment_gateways', [$this, 'check_gateway']);
	}

	/**
	 * @param $option
	 * @param $value
	 * @return bool|void
	 */
	public function update_option($option, $value = '')
	{
		if ($this->needs_setup()) {
			wp_send_json_error('needs_setup');
			wp_die();
		}

		parent::update_option($option, $value);
	}

	/**
	 * this payment gateway cannot be updated on the wooco payment settings
	 * @return bool
	 */
	public function needs_setup()
	{
		return true;
	}

	/**
	 * Customize gateway title in emails.
	 *
	 * @param array $total_rows
	 * @param \WC_Order $order
	 *
	 * @return array
	 *
	 * @author Clément Boirie
	 */
	public function customize_gateway_title($total_rows, $order)
	{

		$get_payment_method = $this->id;
		if (method_exists($order, "get_payment_method")) {
			$get_payment_method = $order->get_payment_method();
		}

		$payment_method = PayplugWoocommerceHelper::is_pre_30() ? $order->payment_method : $get_payment_method;
		if (
			$this->id !== $payment_method
			|| !isset($total_rows['payment_method'])
		) {
			return $total_rows;
		}

		$total_rows['payment_method']['value'] = __('Credit card', 'payplug');

		return $total_rows;
	}

	/**
	 * Validate order payment when the user is redirected to the success confirmation page.
	 *
	 * @throws \WC_Data_Exception
	 */
	public function validate_payment($id = null, $save_request = true, $ipn = false)
	{
		global $wp;

		if (!$ipn) {
			if (!is_wc_endpoint_url('order-received') || (empty($_GET['key']) && empty($id))) {
				return;
			}
		}

		if (!empty($_GET['order-received'])) {
			$order_id = (int)($_GET['order-received']);

		} elseif (!empty($id) && !is_object($id)) {
			$order_id = (int)$id;
		}

		if (empty($order_id) && (isset($wp->query_vars['order-received']))) {
			$order_id = apply_filters(
				'woocommerce_thankyou_order_id',
				absint($wp->query_vars['order-received'])
			);
		}

		if (empty($order_id)) {
			if (empty($_GET['key']) && empty($id) && !is_object($id)) {
				return;
			}
			$order_id = wc_get_order_id_by_order_key(wc_clean((!empty($_GET['key']) ? $_GET['key'] : (int)$id)));
		}

		if (empty($order_id)) {
			return;
		}

		$order = wc_get_order($order_id);
		if (!$order instanceof \WC_Order) {
			return;
		}

		$payment_method = PayplugWoocommerceHelper::is_pre_30() ? $order->payment_method : $order->get_payment_method();
		if (!in_array($payment_method, ['payplug', 'oney_x3_with_fees', 'oney_x4_with_fees', 'oney_x3_without_fees', 'oney_x4_without_fees', 'bancontact', 'apple_pay', 'american_express', 'satispay', 'mybank', 'ideal','wero','bizum','scalapay'])) {
			return;
		}

		if ($payment_method === $this->id) {
			$transaction_id = PayplugWoocommerceHelper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
			if (empty($transaction_id)) {
				PayplugGateway::log(sprintf('Order #%s : Missing transaction id.', $order_id), 'error');
				return;
			}

			$lock_id = Lock::handle_insert($save_request, $transaction_id);
			if (!$lock_id) {
				return;
			}

			try {
				$payment = $this->payplug_api->payment_retrieve($transaction_id);
			} catch (\Exception $e) {
				PayplugGateway::log(
					sprintf(
						'Order #%s : An error occurred while retrieving the payment data with the message : %s',
						$order_id,
						$e->getMessage()
					)
				);

				return;
			}

			$this->response->process_payment($payment);

			\Payplug\PayplugWoocommerce\Model\Lock::delete_lock($lock_id);
			$waiting_requests = \Payplug\PayplugWoocommerce\Model\Lock::get_lock_by_payment_id($transaction_id);

			if ($waiting_requests) {
				\Payplug\PayplugWoocommerce\Model\Lock::delete_lock_by_payment_id($transaction_id);
				$this->validate_payment($order_id, false);
			};
		}
	}

	/**
	 * Check if this gateway is enabled
	 */
	public function is_available()
	{
		if ('yes' == $this->enabled) {
			return $this->requirements->satisfy_requirements() && !empty($this->get_api_key($this->get_current_mode()));
		}

		return parent::is_available();
	}

	/**
	 * Load gateway settings.
	 */
	public function init_settings()
	{
		parent::init_settings();
		$enabled = !empty($this->settings['enabled']) && (bool)$this->settings['enabled'];
		$this->enabled = $enabled ? 'yes' : 'no';
	}

	/**
	 * Register gateway settings.
	 */
	public function init_form_fields()
	{

		$anchor = esc_html_x(__("More informations", 'payplug'), 'modal', 'payplug');
		$domain = __('support.payplug.com/hc/fr/articles/4408142346002', 'payplug');
		$link = sprintf(' <a href="https://%s" target="_blank">%s</a>', $domain, $anchor);


		$anchor_bancontact = esc_html_x(__("payplug_bancontact_activation_request", 'payplug'), 'modal', 'payplug');
		$domain_bancontact = __('payplug_bancontact_activation_url', 'payplug');
		$bancontact_call_to_action = sprintf(' <a id="bancontact_call_to_action" href="https://%s" target="_blank">%s</a>', $domain_bancontact, $anchor_bancontact);


		$oney_cfg = $this->get_configuration()->get_option('payment_methods.configuration.oney');
		if (!empty($oney_cfg)) {
			$oney_amount = json_decode($oney_cfg['custom_amounts'], true);
			$oney_amount['min'] = (float)$oney_amount['min'] / 100;
			$oney_amount['max'] = (float)$oney_amount['max'] / 100;
		} else {
			$oney_amount = [
				'min' => 100,
				'max' => 3000,
			];
		}
		$fields = [
			'enabled' => [
				'title' => __('Enable/Disable', 'payplug'),
				'type' => 'checkbox',
				'label' => __('Enable PayPlug', 'payplug'),
				'description' => __('Only Euro payments can be processed with PayPlug.', 'payplug'),
				'default' => false,
			],
			'title' => [
				'title' => __('Title', 'payplug'),
				'type' => 'text',
				'description' => __('The payment solution title displayed to your customers during checkout', 'payplug'),
				'default' => _x('Credit card checkout', 'Default gateway title', 'payplug'),
				'desc_tip' => false,
			],
			'description' => [
				'title' => __('Description', 'payplug'),
				'type' => 'text',
				'description' => __('The payment solution description displayed to your customers during checkout', 'payplug'),
				'default' => '',
				'desc_tip' => false,
			],
			'title_connexion' => [
				'title' => __('Connection', 'payplug'),
				'type' => 'title',
			],
			'email' => [
				'type' => 'hidden',
				'default' => '',
			],
			'login' => [
				'type' => 'login',
				'default' => '',
			],
			'title_testmode' => [
				'title' => __('Mode', 'payplug'),
				'type' => 'title',
			],
			'mode' => [
				'title' => '',
				'label' => '',
				'type' => 'yes_no',
				'yes' => 'Live',
				'no' => 'Test',
				'description' => __('In TEST mode, all payments will be simulations and will not generate real transactions.', 'payplug'),
				'default' => false,
				'hide_label' => true,
			],
			'title_settings' => [
				'title' => __('Settings', 'payplug'),
				'type' => 'title',
			],
			'payment_method' => [
				'title' => __('Payment page', 'payplug'),
				'type' => 'radio',
				'options' => array(
					'redirect' => __('Redirect', 'payplug'),
					'embedded' => __('Integrated', 'payplug'),
				),
				'description' => __('Customers will be redirected to a PayPlug payment page to finalize the transaction, or payments will be performed in an embeddable payment form on your website.', 'payplug'),
				'default' => 'redirect',
				'desc_tip' => false
			],
			'debug' => [
				'title' => __('Debug', 'payplug'),
				'type' => 'checkbox',
				'description' => __('Debug mode saves additional information on your server for each operation done via the PayPlug plugin (Developer setting).', 'payplug'),
				'label' => __('Activate debug mode', 'payplug'),
				'default' => true,
				'desc_tip' => false
			],
			'title_advanced_settings' => [
				'title' => __('payplug_advanced_settings', 'payplug'),
				'description' => __(
					'Your current offer does not allow this option. Try it on TEST mode. More information <a href="https://www.payplug.com/pricing" target="_blank">here.</a>',
					'payplug'
				),
				'type' => 'title',
			],
			'save_card' => [
				'title' => __('One Click Payment', 'payplug'),
				'type' => 'checkbox',
				'label' => __('Activate', 'payplug'),
				'description' => __('Allow your customers to save their credit card information for later purchases.', 'payplug'),
				'default' => false,
				'desc_tip' => false
			],
			'bancontact' => [
				'title' => __('payplug_bancontact_activate_title', 'payplug'),
				'type' => 'checkbox',
				'label' => __('Activate', 'payplug'),
				'description' => '<p class="description" id="bancontact_test_mode_description"> ' . __('payplug_bancontact_testmode_description', 'payplug') . ' </p>' .
					'<p class="description" id="bancontact_live_mode_description_disabled"> ' . __('payplug_bancontact_livemode_description_disabled', 'payplug') . ' </p>' .
					$bancontact_call_to_action,
				'default' => false,
			],
			'apple_pay' => [
				'title' => __('payplug_apple_pay_activate_title', 'payplug'),
				'type' => 'checkbox',
				'label' => __('Activate', 'payplug'),
				'description' => '<p class="description" id="apple_pay_test_mode_description"> ' . __('payplug_apple_pay_testmode_description', 'payplug') . ' </p>' .
					'<p class="description" id="apple_pay_live_mode_description"> ' . __('payplug_apple_pay_livemode_description', 'payplug') . ' </p>',
				'default' => false,
			],
			'american_express' => [
				'title' => __('payplug_amex_title', 'payplug'),
				'type' => 'checkbox',
				'label' => __('payplug_amex_activate', 'payplug'),
				'description' => '<p class="description" id="amex_test_mode_description"> ' . __('payplug_amex_testmode_description', 'payplug') . ' </p>' .
					'<p class="description" id="amex_live_mode_description"> ' . __('payplug_amex_livemode_description', 'payplug') . ' </p>',
				'default' => false,
			],
			'oney' => [
				'title' => __('3x 4x Oney payments', 'payplug'),
				'type' => 'checkbox',
				'label' => __('Activate', 'payplug'),
				// TRAD
				'description' => sprintf(__('Allow your customers to split payments into 3 or 4 installments, for orders between %s€ and %s€', 'payplug'), $this->min_oney_price, $this->max_oney_price) . $link,
				'default' => false,
				'desc_tip' => false
			],
			'oney_type' => [
				'title' => '',
				'type' => 'oney_type',
				'options' => array(
					'with_fees' => __('Oney with fees', 'payplug'),
					'without_fees' => __('Oney without fees', 'payplug'),
				),
				'descriptions' => array(
					'with_fees' => __('The fees are split between you and your customers', 'payplug'),
					'without_fees' => __('You pay the fees', 'payplug'),
				),
				'description' => '',
				'default' => 'with_fees',
				'desc_tip' => false
			],
			'oney_thresholds' => [
				'title' => '',
				'type' => 'oney_thresholds',
				'description' => sprintf(__('I would like to offer guaranteed payment in installments for amounts between %s€ and %s€.', 'payplug'),
					'<b class="min">' . $oney_amount['min'] . '</b>', '<b class="max">' . $oney_amount['max'] . '</b>'),
				'desc_tip' => false
			],
			'oney_product_animation' => [
				'title' => __('oney_installments_pop_up', 'payplug'),
				'description' => __('display_the_oney_installments_pop_up_on_the_product_page', 'payplug'),
				'label' => __('Activate', 'payplug'),
				'default' => false,
				'desc_tip' => false,
				'type' => 'oney_product_animation'
			],
		];

		if ($this->user_logged_in()) {
			if ($this->permissions->has_permissions(PayplugPermissions::SAVE_CARD)) {
				unset($fields['title_advanced_settings']);
			} else if ('live' === $this->get_current_mode()) {
				$fields['save_card']['disabled'] = true;
			}
		}

		/**
		 * Filter PayPlug gateway settings.
		 *
		 * @param array $fields
		 */
		$fields = apply_filters('payplug_gateway_settings', $fields);
		$this->form_fields = $fields;
	}

	/**
	 * Set global configuration for PayPlug instance.
	 */
	public function init_payplug()
	{
		$this->payplug_api = new PayplugApi($this);
		$this->payplug_api->init();

		$this->permissions = new PayplugPermissions($this);
		$this->response = new PayplugResponse($this);

		// Register IPN handler
		new PayplugIpnResponse($this);

	}

	/**
	 * Filter saved tokens for the gateway.
	 *
	 * A token will be removed if :
	 * - it doesn't match the current merchant logged in,
	 * - or it doesn't match the current gateway mode,
	 * - or it is expired.
	 *
	 * @param array $tokens
	 * @param int $user_id
	 * @param string $gateway_id
	 *
	 * @return array
	 */
	public function filter_tokens($tokens, $user_id, $gateway_id)
	{
		if (!is_user_logged_in() || !class_exists('WC_Payment_Gateway_CC')) {
			return $tokens;
		}

		$saved_card = $this->get_configuration()->get_option('payment_methods.configuration.payplug.save_card')
			&& is_user_logged_in();

		if (!$saved_card) {
			foreach ($tokens as $token_id => $token) {
				if ('payplug' == (string) $token->get_gateway_id()) {
					unset($tokens[$token_id]);
				}
			}
			return $tokens;
		}

		/* @var \WC_Payment_Token_CC $token */
		foreach ($tokens as $k => $token) {
			if ($this->id !== $token->get_gateway_id()) {
				continue;
			}

			// check if token is associated with a merchant id and if it match the current one
			$token_merchant_id = $token->get_meta('payplug_account', true);
			if (empty($token_merchant_id) || $this->get_merchant_id() !== $token_merchant_id) {
				unset($tokens[$k]);
				continue;
			}

			// check if token is available for the current gateway mode
			if ($this->mode != $token->get_meta('mode', true)) {
				unset($tokens[$k]);
				continue;
			}

			// check if token is not expired
			$current_month = \absint(date('n'));
			$current_year = \absint(date('Y'));
			if ($current_year > (int)$token->get_expiry_year()) {
				unset($tokens[$k]);
				continue;
			}

			if ($current_year === (int)$token->get_expiry_year() && $current_month > (int)$token->get_expiry_month()) {
				unset($tokens[$k]);
				continue;
			}
		}

		return $tokens;
	}

	/**
	 * extra payment fields
	 */
	public function payment_fields()
	{
		$description = $this->get_description();

		if (!empty($description)) {
			echo wpautop(wptexturize($description));
		}

		if ($this->save_card_available()) {
			$this->tokenization_script();
			$this->saved_payment_methods();
		}
	}

	/**
	 * Handle admin display.
	 */
	public function admin_options()
	{
		/************ VUE Code *************/
		wp_enqueue_script('chunk-vendors.js', PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/dist/js/chunk-vendors-' . PAYPLUG_GATEWAY_VERSION . '.js', [], PAYPLUG_GATEWAY_VERSION);
		wp_enqueue_script('app.js', PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/dist/js/app-' . PAYPLUG_GATEWAY_VERSION . '.js', [], PAYPLUG_GATEWAY_VERSION);
		wp_enqueue_style('app.css', PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/dist/css/app-' . PAYPLUG_GATEWAY_VERSION . '.css', [], PAYPLUG_GATEWAY_VERSION);
		wp_localize_script('app.js', 'payplug_admin_config',
			array(
				"img_path" => esc_url(PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/dist/'),
				'ajax_url' => get_home_url(),
				'rest_url' => get_home_url() . '/?rest_route=/payplug_api/',
			));

		?>
		<script>window.get_data_url = "<?php echo rest_url('payplug/data'); ?>"</script>
		<script>window.set_data_url = "<?php echo rest_url('payplug/save_data'); ?>"</script>
		<div id="payplug_admin"></div>

		<?php

		/*********** End VUE Code ***********/

	}

	/**
	 * Process payment.
	 *
	 * @param int $order_id
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function process_payment($order_id)
	{
		PayplugGateway::log(sprintf('Processing payment for order #%s', $order_id));

		$order = wc_get_order($order_id);
		if (!$order instanceof \WC_Order) {
			PayplugGateway::log(sprintf('Order #%s not found.', $order_id), 'error');
			throw new \Exception(__('Order not found.', 'payplug'));
		}
		$customer_id = PayplugWoocommerceHelper::is_pre_30() ? $order->customer_user : $order->get_customer_id();
		$amount = (int)PayplugWoocommerceHelper::get_payplug_amount($order->get_total());
		$amount = $this->validate_order_amount($amount);

		if (is_wp_error($amount)) {
			PayplugGateway::log(sprintf('Invalid amount %s for the order.', $order->get_total()), 'error');
			throw new \Exception($amount->get_error_message());
		}

		$payment_token_id = (isset($_POST['wc-' . $this->id . '-payment-token']) && 'new' !== $_POST['wc-' . $this->id . '-payment-token'])
			? wc_clean($_POST['wc-' . $this->id . '-payment-token'])
			: false;

		if ($payment_token_id && (int)$customer_id > 0) {
			PayplugGateway::log(sprintf('Payment token found.', $amount));

			return $this->process_payment_with_token($order, $amount, $customer_id, $payment_token_id);
		}

		return $this->process_standard_payment($order, $amount, $customer_id);
	}

	/**
	 * if payment was generated by an intend, we shouldn't generate another one and try to pay it, this would generate duplications
	 * @param $order
	 * @return array|null
	 * @throws \Exception
	 */
	private function process_standard_intent_payment($order)
	{
		//no order-pay page, no ajax_on_order_review_page
		if (!is_wc_endpoint_url('order-pay') &&
			PayplugWoocommerceHelper::is_checkout_block() &&
			(
				('payplug' == $this->id && in_array($this->embedded_mode, ['integrated', 'popup'])) ||
				('american_express' == $this->id && 'popup' == $this->embedded_mode)
			) &&
			$_GET['wc-ajax'] !== "payplug_order_review_url"
		) {
			$order_id = PayplugWoocommerceHelper::is_pre_30() ? $order->id : $order->get_id();

			try {
				$payment = $this->payplug_api->payment_retrieve($order->get_transaction_id());
				if (ob_get_length() > 0) {
					ob_clean();
				}

				// Save transaction id for the order
				PayplugWoocommerceHelper::is_pre_30()
					? update_post_meta($order_id, '_transaction_id', $payment->id)
					: $order->set_transaction_id($payment->id);

				if ($payment->is_paid) {
					$finished_status = wc_get_is_paid_statuses();
					$order->set_status($finished_status[0]);
				}

				if (is_callable([$order, 'save'])) {
					$order->save();
				}

				/**
				 * Fires once a payment has been created.
				 *
				 * @param int $order_id Order ID
				 * @param PaymentResource $payment Payment resource
				 */
				\do_action('payplug_gateway_payment_created', $order_id, $payment);

				$metadata = PayplugWoocommerceHelper::extract_transaction_metadata($payment);
				PayplugWoocommerceHelper::save_transaction_metadata($order, $metadata);

				PayplugGateway::log(sprintf('Payment intent created for order #%s', $order_id));

				$return_url = esc_url_raw($order->get_checkout_order_received_url());

				wp_send_json_success(array(
					'payment_id' => $payment->id,
					'result' => 'success',
					'redirect' => !empty($payment->hosted_payment->payment_url) ? $payment->hosted_payment->payment_url : $return_url,
					'cancel' => !empty($payment->hosted_payment->cancel_url) ? $payment->hosted_payment->cancel_url : null
				));

				return array("stt" => "OK");

			} catch (HttpException $e) {
				PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, wc_print_r($e->getErrorObject(), true)), 'error');
				throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
			} catch (\Exception $e) {
				PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, $e->getMessage()), 'error');
				throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
			}
		}

		return null;
	}

	/**
	 * @param \WC_Order $order
	 * @param int $amount
	 * @param int $customer_id
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function process_standard_payment($order, $amount, $customer_id)
	{
		$order_id = PayplugWoocommerceHelper::is_pre_30() ? $order->id : $order->get_id();

		$intent = $this->process_standard_intent_payment($order);
		if (!empty($intent)) {
			return $intent;
		}

		try {
			$address_data = PayplugAddressData::from_order($order);

			$return_url = esc_url_raw($order->get_checkout_order_received_url());

			if (!(substr($return_url, 0, 4) === "http")) {
				$return_url = get_site_url() . $return_url;
			}

			$payment_data = [
				'amount' => $amount,
				'currency' => get_woocommerce_currency(),
				'allow_save_card' => $this->save_card_available() && (int)$customer_id > 0,
				'billing' => $address_data->get_billing(),
				'shipping' => $address_data->get_shipping(),
				'hosted_payment' => [
					'return_url' => $return_url,
					'cancel_url' => esc_url_raw($order->get_cancel_order_url_raw()),
				],
				'notification_url' => esc_url_raw(WC()->api_request_url('PayplugGateway')),
				'metadata' => [
					'order_id' => $order_id,
					'customer_id' => ((int)$customer_id > 0) ? $customer_id : 'guest',
					'domain' => $this->limit_length(esc_url_raw(home_url()), 500),
				],
			];

			if (PayplugWoocommerceHelper::is_checkout_block() && is_checkout()) {
				$payment_data['metadata']['woocommerce_block'] = "CHECKOUT";
			} elseif (PayplugWoocommerceHelper::is_cart_block() && is_cart()) {
				$payment_data['metadata']['woocommerce_block'] = "CART";
			}

			//IP request required variables
			if ('integrated' == $this->embedded_mode) {
				$payment_data['initiator'] = 'PAYER';
				$payment_data['integration'] = 'INTEGRATED_PAYMENT';
				unset($payment_data['hosted_payment']['cancel_url']);
			}

			//for subscriptions the card needs to be saved
			$is_subscription = PayplugWoocommerceHelper::is_subscription();
			if (!empty($is_subscription) && $is_subscription === true) {
				$payment_data['allow_save_card'] = false;
				$payment_data['save_card'] = true;
				$payment_data['force_3ds'] = true;
				$payment_data['metadata']['subscription'] = 'subscription';
			}

			/**
			 * Filter the payment data before it's used
			 *
			 * @param array $payment_data
			 * @param int $order_id
			 * @param array $customer_details
			 * @param PayplugAddressData $address_data
			 */
			$payment_data = apply_filters('payplug_gateway_payment_data', $payment_data, $order_id, [], $address_data);
			$payment = $this->payplug_api->payment_create($payment_data);

			// Save transaction id for the order
			PayplugWoocommerceHelper::is_pre_30()
				? update_post_meta($order_id, '_transaction_id', $payment->id)
				: $order->set_transaction_id($payment->id);

			$order->set_payment_method($this->id);
			$order->set_payment_method_title($this->method_title);

			if (is_callable([$order, 'save'])) {
				$order->save();
			}

			/**
			 * Fires once a payment has been created.
			 *
			 * @param int $order_id Order ID
			 * @param PaymentResource $payment Payment resource
			 */
			\do_action('payplug_gateway_payment_created', $order_id, $payment);

			$metadata = PayplugWoocommerceHelper::extract_transaction_metadata($payment);
			PayplugWoocommerceHelper::save_transaction_metadata($order, $metadata);

			PayplugGateway::log(sprintf('Payment creation complete for order #%s', $order_id));

			if (ob_get_length() > 0) {
				ob_clean();
			}

			return array(
				'payment_id' => $payment->id,
				'result' => 'success',
				'redirect' => !empty($payment->hosted_payment->payment_url) ? $payment->hosted_payment->payment_url : $return_url,
				'cancel' => !empty($payment->hosted_payment->cancel_url) ? $payment->hosted_payment->cancel_url : null
			);
		} catch (HttpException $e) {
			PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, wc_print_r($e->getErrorObject(), true)), 'error');
			throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
		} catch (\Exception $e) {
			PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, $e->getMessage()), 'error');
			throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
		}
	}

	/**
	 * @param \WC_Order $order
	 * @param int $amount
	 * @param int $customer_id
	 * @param string $token_id
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function process_payment_with_token($order, $amount, $customer_id, $token_id)
	{

		$order_id = PayplugWoocommerceHelper::is_pre_30() ? $order->id : $order->get_id();
		$payment_token = WC_Payment_Tokens::get($token_id);
		if (!$payment_token || (int)$customer_id !== (int)$payment_token->get_user_id()) {
			PayplugGateway::log('Could not find the payment token or the payment doesn\'t belong to the current user.', 'error');
			throw new \Exception(__('Invalid payment method.', 'payplug'));
		}

		try {
			$address_data = PayplugAddressData::from_order($order);

			$return_url = esc_url_raw($order->get_checkout_order_received_url());

			if (!(substr($return_url, 0, 4) === "http")) {
				$return_url = get_site_url() . $return_url;
			}

			$payment_data = [
				'amount' => $amount,
				'currency' => get_woocommerce_currency(),
				'payment_method' => $payment_token->get_token(),
				'allow_save_card' => false,
				'billing' => $address_data->get_billing(),
				'shipping' => $address_data->get_shipping(),
				'initiator' => 'PAYER',
				'hosted_payment' => [
					'return_url' => $return_url,
					'cancel_url' => esc_url_raw($order->get_cancel_order_url_raw()),
				],
				'notification_url' => esc_url_raw(WC()->api_request_url('PayplugGateway')),
				'metadata' => [
					'order_id' => $order_id,
					'customer_id' => ((int)$customer_id > 0) ? $customer_id : 'guest',
					'domain' => $this->limit_length(esc_url_raw(home_url()), 500),
					'woocommerce_block' => \WC_Blocks_Utils::has_block_in_page(wc_get_page_id('checkout'), 'woocommerce/checkout')
				],
			];

			$is_subscription = PayplugWoocommerceHelper::is_subscription();
			if (!empty($is_subscription) && $is_subscription === true) {
				$payment_data['metadata']['subscription'] = 'subscription';
			}


			/** This filter is documented in src/Gateway/PayplugGateway */
			$payment_data = apply_filters('payplug_gateway_payment_data', $payment_data, $order_id, [], $address_data);
			$payment = $this->payplug_api->payment_create($payment_data);

			// Save transaction id for the order
			PayplugWoocommerceHelper::is_pre_30()
				? update_post_meta($order_id, '_transaction_id', $payment->id)
				: $order->set_transaction_id($payment->id);

			if (is_callable([$order, 'save'])) {
				$order->save();
			}

			/** This action is documented in src/Gateway/PayplugGateway */
			\do_action('payplug_gateway_payment_created', $order_id, $payment);


			$metadata = PayplugWoocommerceHelper::extract_transaction_metadata($payment);
			PayplugWoocommerceHelper::save_transaction_metadata($order, $metadata);

			$this->response->process_payment($payment, true);
			if (($payment->__get('is_paid'))) {
				$redirect = $order->get_checkout_order_received_url();
			} else if (isset($payment->__get('hosted_payment')->payment_url)) {
				$redirect = $payment->__get('hosted_payment')->payment_url;
			} else {
				$redirect = $return_url;
			}

			return [
				'payment_id' => $payment->id,
				'result' => 'success',
				'is_paid' => $payment->__get('is_paid'), // Use for path redirect before DSP2
				'redirect' => $redirect
			];
		} catch (HttpException $e) {
			PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, wc_print_r($e->getErrorObject(), true)), 'error');
			throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
		} catch (\Exception $e) {
			PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, $e->getMessage()), 'error');
			throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
		}
	}

	/**
	 * Process refund for an order paid with PayPlug gateway.
	 *
	 * @param int $order_id
	 * @param null $amount
	 * @param string $reason
	 *
	 * @return bool|\WP_Error
	 */
	public function process_refund($order_id, $amount = null, $reason = '')
	{
		PayplugGateway::log(sprintf('Processing refund for order #%s', $order_id));

		if (!$this->user_logged_in()) {
			PayplugGateway::log(__('You must be logged in with your PayPlug account.', 'payplug'), 'error');
			return new \WP_Error('process_refund_error', __('You must be logged in with your PayPlug account.', 'payplug'));
		}

		$order = wc_get_order($order_id);
		if (!$order instanceof \WC_Order) {
			PayplugGateway::log(sprintf('The order #%s does not exist.', $order_id), 'error');

			return new \WP_Error('process_refund_error', sprintf(__('The order %s does not exist.', 'payplug'), $order_id));
		}

		if ($order->get_status() === "cancelled") {
			PayplugGateway::log(sprintf('The order #%s cannot be refund.', $order_id), 'error');

			return new \WP_Error('process_refund_error', sprintf(__('The order %s cannot be refund.', 'payplug'), $order_id));
		}

		$transaction_id = PayplugWoocommerceHelper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
		if (empty($transaction_id)) {
			PayplugGateway::log(sprintf('The order #%s does not have PayPlug transaction ID associated with it.', $order_id), 'error');

			return new \WP_Error('process_refund_error', __('No PayPlug transaction was found for this order. The refund could not be processed.', 'payplug'));
		}

		$customer_id = PayplugWoocommerceHelper::is_pre_30() ? $order->customer_user : $order->get_customer_id();

		$data = [
			'metadata' => [
				'order_id' => $order_id,
				'customer_id' => ((int)$customer_id > 0) ? $customer_id : 'guest',
				'refund_from' => 'woocommerce',
			]
		];

		if (!is_null($amount)) {
			$data['amount'] = PayplugWoocommerceHelper::get_payplug_amount($amount);
		}

		if (!empty($reason)) {
			$data['metadata']['reason'] = $reason;
		}

		/**
		 * Filter the refund data before it's used.
		 *
		 * @param array $data
		 * @param int $order_id
		 * @param string $transaction_id
		 */
		$data = apply_filters('payplug_gateway_refund_data', $data, $order_id, $transaction_id);

		try {
			$refund = $this->payplug_api->refund_create($transaction_id, $data);

			/**
			 * Fires once a refund has been created.
			 *
			 * @param int $order_id Order ID
			 * @param RefundResource $refund Refund resource
			 * @param string $transaction_id Transaction id
			 */
			\do_action('payplug_gateway_refund_created', $order_id, $refund, $transaction_id);

			$refund_meta_key = sprintf('_pr_%s', wc_clean($refund->id));
			if (PayplugWoocommerceHelper::is_pre_30()) {
				update_post_meta($order_id, $refund_meta_key, $refund->id);
			} else {
				$order->add_meta_data($refund_meta_key, $refund->id, true);
				$order->save();
			}

			$note = sprintf(__('Refund %s : Refunded %s', 'payplug'), wc_clean($refund->id), wc_price(((int)$refund->amount) / 100));
			if (!empty($refund->metadata['reason'])) {
				$note .= sprintf(' (%s)', esc_html($refund->metadata['reason']));
			}
			$order->add_order_note($note);

			try {
				$payment = $this->payplug_api->payment_retrieve($transaction_id);
				$metadata = PayplugWoocommerceHelper::extract_transaction_metadata($payment);
				PayplugWoocommerceHelper::save_transaction_metadata($order, $metadata);
			} catch (\Exception $e) {
			}

			PayplugGateway::log('Refund process complete for the order.');

			return true;
		} catch (HttpException $e) {
			PayplugGateway::log(sprintf('Refund request error for the order %s from PayPlug API : %s', $order_id, wc_print_r($e->getErrorObject(), true)), 'error');

			return new \WP_Error('process_refund_error', __('The transaction could not be refunded. Please try again.', 'payplug'));
		} catch (\Exception $e) {
			PayplugGateway::log(sprintf('Refund request error for the order %s : %s', $order_id, wc_clean($e->getMessage())), 'error');

			return new \WP_Error('process_refund_error', __('The transaction could not be refunded. Please try again.', 'payplug'));
		}
	}

	/**
	 * Check the order amount to ensure it's on the allowed range.
	 *
	 * @param int $amount
	 *
	 * @return int|\WP_Error
	 */
	public function validate_order_amount($amount)
	{
		if (
			$amount < PayplugWoocommerceHelper::get_minimum_amount()
			|| $amount > PayplugWoocommerceHelper::get_maximum_amount()
		) {
			return new \WP_Error(
				'invalid order amount',
				sprintf(__('Payments for this amount (%s) are not authorised with this payment gateway.', 'payplug'), \wc_price($amount / 100))
			);
		}

		return $amount;
	}

	/**
	 * Limit string length.
	 *
	 * @param string $value
	 * @param int $maxlength
	 *
	 * @return string
	 */
	public function limit_length($value, $maxlength = 100)
	{
		return (strlen($value) > $maxlength) ? substr($value, 0, $maxlength) : $value;
	}

	/**
	 * Get user's keys.
	 *
	 * @param string $email
	 * @param string $password
	 *
	 * @return array|\WP_Error
	 */
	public function retrieve_user_api_keys($email, $password)
	{
		if (empty($email) || empty($password)) {
			return new \WP_Error('missing_login_data', __('Please fill all login fields', 'payplug'));
		}

		try {
			$response = Authentication::getKeysByLogin($email, $password);
			if (empty($response) || !isset($response['httpResponse']) && "payplug" === $this->id) {
				return new \WP_Error('invalid_credentials', __('Invalid credentials.', 'payplug'));
			}

			return $response['httpResponse']['secret_keys'];
		} catch (HttpException $e) {
			if ("payplug" === $this->id) {
				return new \WP_Error('invalid_credentials', __('Invalid credentials.', 'payplug'));
			}
		}
	}

	/**
	 * Get user merchant id.
	 *
	 * This method might be called during the login process before the global PayPlug
	 * configuration is set. In that case you can pass a valid token to make the request.
	 *
	 * @param string|null $key
	 *
	 * @return string
	 */
	public function retrieve_merchant_id($key = null)
	{
		$merchant_id = '';
		try {
			$response = !is_null($key) && !empty($key) ? Authentication::getAccount(new Payplug($key)) : Authentication::getAccount();
			PayplugWoocommerceHelper::set_transient_data($response);
			$merchant_id = isset($response['httpResponse']['id']) ? $response['httpResponse']['id'] : '';

		} catch (ConfigurationException $e) {
			PayplugGateway::log(sprintf('Missing API key for PayPlug client : %s', wc_print_r($e->getMessage(), true)), 'error');

		} catch (HttpException $e) {
			PayplugGateway::log(sprintf('Account request error from PayPlug API : %s', wc_print_r($e->getErrorObject(), true)), 'error');
			PayplugWoocommerceHelper::exception_handler_400_logout($e->getCode(), '', sprintf('Account request error from PayPlug API : %s', wc_print_r($e->getMessage(), true)));

		} catch (\Exception $e) {
			PayplugGateway::log(sprintf('Account request error : %s', wc_clean($e->getMessage())), 'error');
		}

		return $merchant_id;
	}

	/**
	 * Get PayPlug gateway mode.
	 *
	 * @return string
	 */
	public function get_current_mode()
	{
		return $this->get_configuration()->get_option('mode');
	}

	/**
	 * Get user API key.
	 *
	 * @param string $mode
	 *
	 * @return string
	 */
	public function get_api_key($mode = 'test')
	{
		return $this->get_api()->get_bearer_token($mode);
	}

	/**
	 * Get current merchant id.
	 *
	 * @return string
	 */
	public function get_merchant_id()
	{
		return $this->get_configuration()->get_option('company_id');
	}

	/**
	 * Check if user is logged in and we have an API key for TEST mode.
	 *
	 * @return bool
	 */
	public function user_logged_in()
	{
		$options = $this->get_configuration()->get_options();
		if (empty($options) || !isset($options['api_key']) || !isset($options['jwt'])) {
			return false;
		}

		$jwt = json_decode($options['jwt'], true);
		if (!empty($jwt) && isset($jwt['test']) && isset($jwt['test']['access_token'])) {
			return true;
		}

		$api_key = json_decode($options['api_key'], true);

		return !empty($api_key) && isset($api_key['test']) && !empty($api_key['test']);
	}

	/**
	 * Check if oneclick payment is activated and merchant can use it.
	 *
	 * @return bool
	 */
	public function save_card_available()
	{
		return 'payplug' == $this->id && $this->user_logged_in()
			&& $this->save_card
			&& $this->permissions->has_permissions(PayplugPermissions::SAVE_CARD);
	}

	/**
	 * Check if the gatteway is allowed for the order amount
	 *
	 * @param array
	 * @return array
	 */
	public function check_gateway($gateways)
	{
		if (!empty(WC()->cart) && isset($gateways[$this->id]) && $gateways[$this->id]->id == $this->id) {
			$order_amount = $this->get_order_total();
			foreach ($gateways[$this->id]->settings['payment_methods']['permissions'] as $key => &$permission) {
				$method_amounts = json_decode($permission['amounts'], true);
				if ($order_amount < $method_amounts['min']['EUR']/100 || $order_amount > $method_amounts['max']['EUR']/100) {
					unset($gateways[$key]);
				}
			}
		}

		if ((bool)$this->get_configuration()->get_option('payment_methods.configuration.oney.with_fees')) {
			unset($gateways['oney_x3_without_fees']);
			unset($gateways['oney_x4_without_fees']);
		} else {
			unset($gateways['oney_x3_with_fees']);
			unset($gateways['oney_x4_with_fees']);
		}

		return $gateways;
	}

	/**
	 * Can the order be refunded via this gateway?
	 *
	 *
	 * @param WC_Order $order Order object.
	 * @return bool If false, the automatic refund button is hidden in the UI.
	 */
	public function can_refund_order($order)
	{
		$status = $order->get_status();
		return $order && $this->supports('refunds') && $status !== "cancelled" && $status !== "failed";
	}
}
