<?php

declare (strict_types=1);
namespace Mollie\WooCommerce\Buttons\ApplePayButton;

use Exception;
use Mollie\WooCommerce\Gateway\Surcharge;
use Mollie\WooCommerce\Notice\NoticeInterface;
use Mollie\WooCommerce\SDK\Api;
use Mollie\WooCommerce\Settings\Settings;
use Mollie\WooCommerce\Shared\GatewaySurchargeHandler;
use Mollie\Psr\Log\LoggerInterface as Logger;
use WC_Cart;
use WC_Data_Exception;
class AppleAjaxRequests
{
    /**
     * @var ResponsesToApple
     */
    private $responseTemplates;
    /**
     * @var NoticeInterface
     */
    protected $notice;
    /**
     * @var Logger
     */
    protected $logger;
    protected $apiHelper;
    /**
     * @var Settings
     */
    protected $settingsHelper;
    private $reloadCart;
    private $oldCartContents;
    /**
     * AppleAjaxRequests constructor.
     */
    public function __construct(\Mollie\WooCommerce\Buttons\ApplePayButton\ResponsesToApple $responseTemplates, NoticeInterface $notice, Logger $logger, Api $apiHelper, Settings $settingsHelper)
    {
        $this->responseTemplates = $responseTemplates;
        $this->notice = $notice;
        $this->logger = $logger;
        $this->apiHelper = $apiHelper;
        $this->settingsHelper = $settingsHelper;
    }
    /**
     * Adds all the Ajax actions to perform the whole workflow
     */
    public function bootstrapAjaxRequest()
    {
        add_action('wp_ajax_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::VALIDATION, [$this, 'validateMerchant']);
        add_action('wp_ajax_nopriv_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::VALIDATION, [$this, 'validateMerchant']);
        add_action('wp_ajax_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::CREATE_ORDER, [$this, 'createWcOrder']);
        add_action('wp_ajax_nopriv_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::CREATE_ORDER, [$this, 'createWcOrder']);
        add_action('wp_ajax_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::CREATE_ORDER_CART, [$this, 'createWcOrderFromCart']);
        add_action('wp_ajax_nopriv_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::CREATE_ORDER_CART, [$this, 'createWcOrderFromCart']);
        add_action('wp_ajax_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::UPDATE_SHIPPING_CONTACT, [$this, 'updateShippingContact']);
        add_action('wp_ajax_nopriv_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::UPDATE_SHIPPING_CONTACT, [$this, 'updateShippingContact']);
        add_action('wp_ajax_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::UPDATE_SHIPPING_METHOD, [$this, 'updateShippingMethod']);
        add_action('wp_ajax_nopriv_' . \Mollie\WooCommerce\Buttons\ApplePayButton\PropertiesDictionary::UPDATE_SHIPPING_METHOD, [$this, 'updateShippingMethod']);
    }
    /**
     * Method to validate the merchant against Apple system through Mollie
     * On fail triggers and option that shows an admin notice showing the error
     * On success returns the validation data to the script
     */
    public function validateMerchant()
    {
        $applePayRequestDataObject = $this->applePayDataObjectHttp();
        if (!$this->isNonceValid()) {
            return;
        }
        $applePayRequestDataObject->validationData();
        //we cannot access the endpoint in testmode, we override it to be testMode = false
        $apiKey = $this->settingsHelper->getApiKey(\false);
        $validationUrl = $applePayRequestDataObject->validationUrl();
        $completeDomain = wp_parse_url(get_site_url(), \PHP_URL_HOST);
        $removeHttp = ["https://", "http://"];
        $regex = '/.+\.\w+\/?((\w*\/*)*)/i';
        $domain = str_replace($removeHttp, "", $completeDomain);
        $ending = preg_replace($regex, '$1', $domain);
        $domain = str_replace($ending, "", $domain);
        $domain = str_replace("/", "", $domain);
        try {
            $json = $this->validationApiWalletsEndpointCall($domain, $validationUrl, $apiKey);
        } catch (\Mollie\Api\Exceptions\ApiException $apiException) {
            update_option('mollie_wc_applepay_validated', 'no');
            wp_send_json_error($apiException->getMessage());
        }
        update_option('mollie_wc_applepay_validated', 'yes');
        wp_send_json_success($json);
    }
    /**
     * Method to validate and update the shipping contact of the user
     * It updates the amount paying information if needed
     * On error returns an array of errors to be handled by the script
     * On success returns the new contact data
     */
    public function updateShippingContact()
    {
        $applePayRequestDataObject = $this->applePayDataObjectHttp();
        if (!$this->isNonceValid()) {
            return;
        }
        $applePayRequestDataObject->updateContactData();
        if ($applePayRequestDataObject->hasErrors()) {
            $this->responseTemplates->responseWithDataErrors($applePayRequestDataObject->errors());
            return;
        }
        if (!class_exists('WC_Countries')) {
            return;
        }
        $countries = $this->createWCCountries();
        $allowedSellingCountries = $countries->get_allowed_countries();
        $allowedShippingCountries = $countries->get_shipping_countries();
        $userCountry = $applePayRequestDataObject->simplifiedContact()['country'];
        $isAllowedSellingCountry = array_key_exists($userCountry, $allowedSellingCountries);
        $isAllowedShippingCountry = array_key_exists($userCountry, $allowedShippingCountries);
        $productNeedShipping = $applePayRequestDataObject->needShipping();
        if (!$isAllowedSellingCountry) {
            $this->responseTemplates->responseWithDataErrors([['errorCode' => 'addressUnserviceable']]);
            return;
        }
        if ($productNeedShipping && !$isAllowedShippingCountry) {
            $this->responseTemplates->responseWithDataErrors([['errorCode' => 'addressUnserviceable']]);
            return;
        }
        $paymentDetails = $this->whichCalculateTotals($applePayRequestDataObject);
        $response = $this->responseTemplates->appleFormattedResponse($paymentDetails, $applePayRequestDataObject);
        $this->responseTemplates->responseSuccess($response);
    }
    /**
     ** Method to validate and update the shipping method selected by the user
     * It updates the amount paying information if needed
     * On error returns an array of errors to be handled by the script
     * On success returns the new contact data
     */
    public function updateShippingMethod()
    {
        $applePayRequestDataObject = $this->applePayDataObjectHttp();
        if (!$this->isNonceValid()) {
            return;
        }
        $applePayRequestDataObject->updateMethodData();
        if ($applePayRequestDataObject->hasErrors()) {
            $this->responseTemplates->responseWithDataErrors($applePayRequestDataObject->errors());
        }
        $paymentDetails = $this->whichCalculateTotals($applePayRequestDataObject);
        $response = $this->responseTemplates->appleFormattedResponse($paymentDetails, $applePayRequestDataObject);
        $this->responseTemplates->responseSuccess($response);
    }
    /**
     * Creates the order from the product detail page and process the payment
     * On error returns an array of errors to be handled by the script
     * On success returns the status success for Apple to close the transaction
     * and the url to redirect the user
     *
     * @throws WC_Data_Exception
     * @throws \Mollie\Api\Exceptions\ApiException
     */
    public function createWcOrder()
    {
        $this->responseAfterSuccessfulResult();
        $cart = WC()->cart;
        $this->oldCartContents = WC()->cart->get_cart_contents();
        $this->emptyCurrentCart();
        $applePayRequestDataObject = $this->applePayDataObjectHttp();
        $applePayRequestDataObject->orderData('productDetail');
        $cartItemKey = $cart->add_to_cart(filter_input(\INPUT_POST, 'productId'), (bool) filter_input(\INPUT_POST, 'productQuantity', \FILTER_VALIDATE_INT));
        $this->addAddressesToOrder($applePayRequestDataObject);
        WC()->checkout()->process_checkout();
        $cart->remove_cart_item($cartItemKey);
        if ($this->reloadCart) {
            $this->reloadCart($cart);
        }
    }
    /**
     * Creates the order from the cart page and process the payment
     * On error returns an array of errors to be handled by the script
     * On success returns the status success for Apple to close the transaction
     * and the url to redirect the user
     *
     * @throws WC_Data_Exception
     * @throws \Mollie\Api\Exceptions\ApiException
     */
    public function createWcOrderFromCart()
    {
        $this->responseAfterSuccessfulResult();
        $applePayRequestDataObject = $this->applePayDataObjectHttp();
        $applePayRequestDataObject->orderData('cart');
        $this->addAddressesToOrder($applePayRequestDataObject);
        WC()->checkout()->process_checkout();
    }
    /**
     * Data Object to collect and validate all needed data collected
     * through HTTP
     */
    protected function applePayDataObjectHttp(): \Mollie\WooCommerce\Buttons\ApplePayButton\ApplePayDataObjectHttp
    {
        return new \Mollie\WooCommerce\Buttons\ApplePayButton\ApplePayDataObjectHttp($this->logger);
    }
    /**
     * Returns a WC_Countries instance to check shipping
     *
     * @return \WC_Countries
     */
    protected function createWCCountries()
    {
        return new \WC_Countries();
    }
    /**
     * Selector between product detail and cart page calculations
     *
     * @param $applePayRequestDataObject
     *
     * @return array|bool
     */
    protected function whichCalculateTotals($applePayRequestDataObject)
    {
        if ($applePayRequestDataObject->callerPage === 'productDetail') {
            return $this->calculateTotalsSingleProduct($applePayRequestDataObject->productId(), $applePayRequestDataObject->productQuantity(), $applePayRequestDataObject->simplifiedContact(), $applePayRequestDataObject->shippingMethod());
        }
        if ($applePayRequestDataObject->callerPage === 'cart') {
            return $this->calculateTotalsCartPage($applePayRequestDataObject->simplifiedContact(), $applePayRequestDataObject->shippingMethod());
        }
        return \false;
    }
    /**
     * Calculates totals for the product with the given information
     * Saves the previous cart to reload it after calculations
     * If no shippingMethodId provided will return the first available shipping
     * method
     *
     * @param      $productId
     * @param      $productQuantity
     * @param      $customerAddress
     * @param null $shippingMethod
     */
    protected function calculateTotalsSingleProduct($productId, $productQuantity, $customerAddress, $shippingMethod = null): array
    {
        $results = [];
        $reloadCart = \false;
        if (!WC()->cart->is_empty()) {
            $oldCartContents = WC()->cart->get_cart_contents();
            foreach (array_keys($oldCartContents) as $cartItemKey) {
                WC()->cart->remove_cart_item($cartItemKey);
            }
            $reloadCart = \true;
        }
        try {
            //I just care about apple address details
            $shippingMethodId = '';
            $shippingMethodsArray = [];
            $selectedShippingMethod = [];
            $this->customerAddress($customerAddress);
            $cart = WC()->cart;
            if ($shippingMethod) {
                $shippingMethodId = $shippingMethod['identifier'];
                WC()->session->set('chosen_shipping_methods', [$shippingMethodId]);
            }
            $cartItemKey = $cart->add_to_cart($productId, $productQuantity);
            if ($cart->needs_shipping()) {
                list($shippingMethodsArray, $selectedShippingMethod) = $this->cartShippingMethods($cart, $customerAddress, $shippingMethod, $shippingMethodId);
            }
            $cart->calculate_shipping();
            $cart->calculate_fees();
            $cart->calculate_totals();
            $results = $this->cartCalculationResults($cart, $selectedShippingMethod, $shippingMethodsArray);
            $cart->remove_cart_item($cartItemKey);
            $this->customerAddress();
            if ($reloadCart) {
                foreach (array_keys($oldCartContents) as $cartItemKey) {
                    $cart->restore_cart_item($cartItemKey);
                }
            }
        } catch (Exception $exception) {
        }
        return $results;
    }
    /**
     * Sets the customer address with ApplePay details to perform correct
     * calculations
     * If no parameter passed then it resets the customer to shop details
     */
    protected function customerAddress(array $address = [])
    {
        $base_location = wc_get_base_location();
        $shopCountryCode = $base_location['country'];
        WC()->customer->set_shipping_country($address['country'] ?? $shopCountryCode);
        WC()->customer->set_billing_country($address['country'] ?? $shopCountryCode);
        WC()->customer->set_shipping_postcode($address['postcode'] ?? $shopCountryCode);
        WC()->customer->set_shipping_city($address['city'] ?? $shopCountryCode);
    }
    /**
     * Add shipping methods to cart to perform correct calculations
     *
     * @param $cart
     * @param $customerAddress
     * @param $shippingMethod
     * @param $shippingMethodId
     */
    protected function cartShippingMethods($cart, $customerAddress, $shippingMethod, $shippingMethodId): array
    {
        $shippingMethodsArray = [];
        $shippingMethods = WC()->shipping->calculate_shipping($this->getShippingPackages($customerAddress, $cart->get_total('edit')));
        $done = \false;
        foreach ($shippingMethods[0]['rates'] as $rate) {
            $shippingMethodsArray[] = ["label" => $rate->get_label(), "detail" => "", "amount" => $rate->get_cost(), "identifier" => $rate->get_id()];
            if (!$done) {
                $done = \true;
                $shippingMethodId = $shippingMethod ? $shippingMethodId : $rate->get_id();
                WC()->session->set('chosen_shipping_methods', [$shippingMethodId]);
            }
        }
        $selectedShippingMethod = $shippingMethodsArray[0];
        if ($shippingMethod) {
            $selectedShippingMethod = $shippingMethod;
        }
        return [$shippingMethodsArray, $selectedShippingMethod];
    }
    /**
     * Sets shipping packages for correct calculations
     * @param $customerAddress
     * @param $total
     *
     * @return mixed|void|null
     */
    protected function getShippingPackages($customerAddress, $total)
    {
        // Packages array for storing 'carts'
        $packages = [];
        $packages[0]['contents'] = WC()->cart->cart_contents;
        $packages[0]['contents_cost'] = $total;
        $packages[0]['applied_coupons'] = WC()->session->applied_coupon;
        $packages[0]['destination']['country'] = $customerAddress['country'];
        $packages[0]['destination']['state'] = '';
        $packages[0]['destination']['postcode'] = $customerAddress['postcode'];
        $packages[0]['destination']['city'] = $customerAddress['city'];
        $packages[0]['destination']['address'] = '';
        $packages[0]['destination']['address_2'] = '';
        return apply_filters('woocommerce_cart_shipping_packages', $packages);
    }
    /**
     * Returns the formatted results of the cart calculations
     *
     * @param $cart
     * @param $selectedShippingMethod
     * @param $shippingMethodsArray
     */
    protected function cartCalculationResults($cart, $selectedShippingMethod, $shippingMethodsArray): array
    {
        $surcharge = new Surcharge();
        $surchargeLabel = get_option('mollie-payments-for-woocommerce_gatewayFeeLabel', $surcharge->defaultFeeLabel());
        $settings = get_option('mollie_wc_gateway_applepay_settings', \false);
        $calculatedFee = round((float) $surcharge->calculateFeeAmount($cart, $settings), 2);
        $surchargeFeeValue = !empty($settings) ? $calculatedFee : 0;
        $total = $cart->get_total('edit') + $surchargeFeeValue;
        $total = round($total, 2);
        $result = ['subtotal' => $cart->get_subtotal(), 'shipping' => ['amount' => $cart->needs_shipping() ? $cart->get_shipping_total() : null, 'label' => $cart->needs_shipping() ? $selectedShippingMethod['label'] : null], 'shippingMethods' => $cart->needs_shipping() ? $shippingMethodsArray : null, 'taxes' => $cart->get_total_tax(), 'total' => $total];
        if ($surchargeFeeValue) {
            $result['fee'] = ['amount' => $surchargeFeeValue, 'label' => $surchargeLabel];
        }
        return $result;
    }
    /**
     * Calculates totals for the cart page with the given information
     * If no shippingMethodId provided will return the first available shipping
     * method
     *
     * @param      $customerAddress
     * @param null $shippingMethodId
     */
    protected function calculateTotalsCartPage($customerAddress = null, $shippingMethodId = null): array
    {
        $results = [];
        if (WC()->cart->is_empty()) {
            return [];
        }
        try {
            $shippingMethodsArray = [];
            $selectedShippingMethod = [];
            //I just care about apple address details
            $this->customerAddress($customerAddress);
            $cart = WC()->cart;
            if ($shippingMethodId) {
                WC()->session->set('chosen_shipping_methods', [$shippingMethodId['identifier']]);
            }
            if ($cart->needs_shipping()) {
                list($shippingMethodsArray, $selectedShippingMethod) = $this->cartShippingMethods($cart, $customerAddress, $shippingMethodId, $shippingMethodId['identifier'] ?? null);
            }
            $cart->calculate_shipping();
            $cart->calculate_fees();
            $cart->calculate_totals();
            $results = $this->cartCalculationResults($cart, $selectedShippingMethod, $shippingMethodsArray);
            $this->customerAddress();
        } catch (Exception $e) {
        }
        return $results;
    }
    /**
     * Add address billing and shipping data to order
     *
     * @param ApplePayDataObjectHttp $applePayRequestDataObject
     * @param                        $order
     *
     */
    protected function addAddressesToOrder(\Mollie\WooCommerce\Buttons\ApplePayButton\ApplePayDataObjectHttp $applePayRequestDataObject)
    {
        add_action('woocommerce_checkout_create_order', static function ($order, $data) use ($applePayRequestDataObject) {
            if ($applePayRequestDataObject->shippingMethod() !== null) {
                $billingAddress = $applePayRequestDataObject->billingAddress();
                $shippingAddress = $applePayRequestDataObject->shippingAddress();
                //apple puts email in shippingAddress while we get it from WC's billingAddress
                $billingAddress['email'] = $shippingAddress['email'];
                $billingAddress['phone'] = $shippingAddress['phone'];
                $order->set_address($billingAddress, 'billing');
                $order->set_address($shippingAddress, 'shipping');
            }
        }, 10, 2);
    }
    /**
     * Checks if the nonce in the data object is valid
     *
     *
     * @return bool|int
     */
    protected function isNonceValid()
    {
        $nonce = filter_input(\INPUT_POST, 'woocommerce-process-checkout-nonce', \FILTER_SANITIZE_SPECIAL_CHARS);
        return wp_verify_nonce($nonce, 'woocommerce-process_checkout');
    }
    /**
     * Calls Mollie API wallets to validate merchant session
     *
     * @param string $domain
     * @param        $validationUrl
     *
     * @return false|string
     * @throws \Mollie\Api\Exceptions\ApiException
     */
    protected function validationApiWalletsEndpointCall($domain, $validationUrl, $apiKey)
    {
        return $this->apiHelper->getApiClient($apiKey)->wallets->requestApplePayPaymentSession($domain, $validationUrl);
    }
    /**
     * Empty the cart to use for calculations
     * while saving its contents in a field
     */
    protected function emptyCurrentCart()
    {
        foreach ($this->oldCartContents as $cartItemKey => $value) {
            WC()->cart->remove_cart_item($cartItemKey);
        }
        $this->reloadCart = \true;
    }
    /**
     * @param WC_Cart $cart
     */
    protected function reloadCart(WC_Cart $cart): void
    {
        foreach ($this->oldCartContents as $cartItemKey => $value) {
            $cart->restore_cart_item($cartItemKey);
        }
    }
    protected function responseAfterSuccessfulResult(): void
    {
        add_filter('woocommerce_payment_successful_result', function ($result, $order_id) {
            if (isset($result['result']) && 'success' === $result['result']) {
                $this->responseTemplates->responseSuccess($this->responseTemplates->authorizationResultResponse('STATUS_SUCCESS', $order_id));
            } else {
                $message = sprintf(
                    /* translators: Placeholder 1: Payment method title */
                    __('Could not create %s payment.', 'mollie-payments-for-woocommerce'),
                    'ApplePay'
                );
                $this->notice->addNotice($message, 'error');
                wp_send_json_error($this->responseTemplates->authorizationResultResponse('STATUS_FAILURE', 0, [['errorCode' => 'unknown']]));
            }
            return $result;
        }, 10, 2);
    }
}