<?php

namespace Payplug\PayplugWoocommerce\Gateway;

use libphonenumber\PhoneNumberType;
use libphonenumber\PhoneNumberUtil;
use Payplug\PayplugWoocommerce\Controller\PayplugGenericGateway;
use Payplug\PayplugWoocommerce\Gateway\Oney\OneyAccountMapper;
use Payplug\PayplugWoocommerce\PayplugWoocommerceHelper;

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

/**
 * PayPlug WooCommerce Gateway.
 */
class PayplugGatewayOney3x extends PayplugGenericGateway
{
    public const ONEY_UNAVAILABLE_CODE_COUNTRY_NOT_ALLOWED = 2;
    public const ONEY_UNAVAILABLE_CODE_CART_SIZE_TOO_HIGH = 3;
    public const ONEY_DISALBE_CHECKOUT_OPTIONS = 4;

    public const ONEY_PRODUCT_QUANTITY_MAXIMUM = 1000;

    protected $oney_response;
    public const ENABLE_ON_TEST_MODE = true;

    public $allowed_country_codes = [];

    public function __construct()
    {
        parent::__construct();
        $this->id = 'oney_x3_with_fees';
        $this->method_title = _x('PayPlug Oney 3x', 'Gateway method title', 'payplug');
        $this->method_description = __('Enable PayPlug Oney 3x for your customers.', 'payplug');
        $this->title = __('Pay by card in 3x with Oney', 'payplug');
        $this->has_fields = true;

        add_action('woocommerce_order_item_add_action_buttons', [$this, 'oney_refund_text']);
        add_action('woocommerce_after_checkout_validation', [$this, 'validate_checkout'], 10);

        self::set_oney_configuration();

        // Unlike the other sub-gateways (Bancontact, AmericanExpress, PPRO methods...), Oney never
        // synced $this->enabled with the plugin's own "active" toggle, so disabling Oney from the
        // Payplug config left it shown as enabled on WooCommerce's native Payments settings page.
        if (!$this->checkGateway()) {
            $this->enabled = 'no';
        }

        if (is_checkout()) {
            if ($this->check_oney_is_available() === self::ONEY_DISALBE_CHECKOUT_OPTIONS) {
                $this->enabled = 'no';
            }
        }
    }

    public function validate_checkout(): void
    {
        $posted_data = $this->get_post_data();

        // Was a single malformed string (missing quotes around each id) instead of a 4-element
        // array, so this guard never matched and the whole method was a silent no-op (PRE-3457
        // review / PRE-3457 follow-up fix).
        $oney_gateway_ids = ['oney_x3_with_fees', 'oney_x4_with_fees', 'oney_x3_without_fees', 'oney_x4_without_fees'];

        if (in_array($posted_data['payment_method'] ?? '', $oney_gateway_ids, true)) {
            if ($this->check_oney_is_available() === self::ONEY_UNAVAILABLE_CODE_COUNTRY_NOT_ALLOWED) {
                throw new \Exception(__('Unavailable for the specified country.'));
            } elseif ($this->check_oney_is_available() === self::ONEY_UNAVAILABLE_CODE_CART_SIZE_TOO_HIGH) {
                throw new \Exception(sprintf(__('The payment with Oney is unavailable because you have more than %s items in your cart.', 'payplug'), self::ONEY_PRODUCT_QUANTITY_MAXIMUM));
            } elseif (!$this->check_oney_is_available()) {
                throw new \Exception(sprintf(__('The total amount of your order should be between %s€ and %s€ to pay with Oney.', 'payplug'), $this->oney_thresholds_min, $this->oney_thresholds_max));
            }
        }
    }

    /**
     * Set oney settings
     *
     * @return void
     */
    private function set_oney_configuration(): void
    {
        $account = PayplugWoocommerceHelper::get_account_data_from_options();
        if ($account) {
            $oney_configuration = $account['configuration']['oney'];
            $this->min_oney_price = $oney_configuration['min_amounts']['EUR'] / 100;
            $this->max_oney_price = $oney_configuration['max_amounts']['EUR'] / 100;
            $this->allowed_country_codes = $oney_configuration['allowed_countries'];
        }
    }

    /**
     * Get payment icons.
     *
     * @return string
     */
    public function get_icon()
    {
        $disable = $this->check_oney_is_available() === true ? '' : 'disable-checkout-icons';
        $available_img = 'x3_with_fees.svg';

        $icons = apply_filters('payplug_payment_icons', [
            'payplug' => sprintf('<img src="%s" alt="Oney 3x" class="payplug-payment-icon ' . $disable . '" />', esc_url(PAYPLUG_GATEWAY_PLUGIN_URL . '/assets/images/checkout/' . $available_img)),
        ]);
        $icons_str = '';
        foreach ($icons as $icon) {
            $icons_str .= $icon;
        }

        return $icons_str;
    }

    /**
     * Render the placeholder + config the official Oney widget uses to display the inline
     * payment-schedule section for this specific gateway (checkout obligation).
     */
    public function payment_fields(): void
    {
        if ($this->check_oney_is_available() !== true) {
            // check_oney_is_available() sets $this->description with the reason Oney can't be used.
            $description = $this->get_description();

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

            return;
        }

        $account = PayplugWoocommerceHelper::get_account_data_from_options();
        $oney_settings = $this->get_configuration()->get_option('payment_methods.configuration.oney');
        $country = PayplugWoocommerceHelper::getISOCountryCode();
        $mapper = OneyAccountMapper::map((array) $account, $oney_settings, $country);
        $code = $mapper->business_transaction_code_for_gateway($this->id);

        if (!$mapper->is_enabled() || !$code) {
            return;
        }

        printf(
            '<div id="oney-checkout-loading-%1$s" class="payplug-lds-roller"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div><div id="oney-checkout-%1$s"></div><script type="application/json" id="oney-checkout-config-%1$s">%2$s</script>',
            esc_attr($this->id),
            wp_json_encode([
                'merchant_guid' => $mapper->get_merchant_guid(),
                'business_transaction_code' => $code,
                'country' => $country,
                'language' => strtoupper(substr(get_locale(), 0, 2)),
                'payment_amount' => floatval(WC()->cart->total),
            ])
        );
    }

    /**
     * Check if Oney is available
     *
     * @return bool|int true, false, or an ONEY_* status code
     */
    public function check_oney_is_available()
    {
        static $is_running = false;
        if ($is_running) {
            return false;
        }
        $is_running = true;
        try {
            $result = $this->do_check_oney_is_available();
        } finally {
            $is_running = false;
        }

        return $result;
    }

    private function do_check_oney_is_available()
    {
        $cart = WC()->cart;

        //for backend orders
        if (!empty(get_query_var('order-pay'))) {
            $order = wc_get_order(get_query_var('order-pay'));

            //wc_get_order @return bool|WC_Order|WC_Order_Refund
            if ($order === false) {
                return false;
            }

            $items = $order->get_items();

            $country_code_shipping = $order->get_shipping_country();
            $country_code_billing = $order->get_billing_country();

            // Skip cart population for subscription renewals: WC Subscriptions manages the cart
            // itself and adding items here would cause a double entry in the order summary.
            $is_renewal = function_exists('wcs_order_contains_renewal') && wcs_order_contains_renewal($order);
            if (!$is_renewal) {
                $this->order_items_to_cart($cart, $items);
            }
        }

        $oney_cfg = $this->get_configuration()->get_option('payment_methods.configuration.oney');
        $account = PayplugWoocommerceHelper::get_account_data_from_options();
        $oney_account_cfg = ((array) $account)['configuration']['oney'] ?? [];
        // Same clamping OneyAccountMapper::map() uses for the badge/widget display, so
        // checkout validation and display never silently drift apart (PRE-3457 review).
        [$min_cents, $max_cents] = OneyAccountMapper::effective_bounds($oney_account_cfg, $oney_cfg);
        $oney_amount = [
            'min' => $min_cents / 100,
            'max' => $max_cents / 100,
        ];
        // validate_checkout() reads these to build its exception message - populate them
        // unconditionally (before any early return below) so they're never stale/unset there.
        $this->oney_thresholds_min = $oney_amount['min'];
        $this->oney_thresholds_max = $oney_amount['max'];

        if (empty($cart->total)) {
            return false;
        }

        if (empty($cart->cart_contents_count)) {
            return false;
        }

        $total_price = floatval($cart->total);
        $products_qty = (int) $cart->cart_contents_count;

        // Min and max
        if ($total_price < $oney_amount['min'] || $total_price > $oney_amount['max']) {
            $this->description = '<div class="payment_method_oney_x3_with_fees_disabled">' . sprintf(__('The total amount of your order should be between %s€ and %s€ to pay with Oney.', 'payplug'), $oney_amount['min'], $oney_amount['max']) . '</div>';

            return false;
        }

        // Cart check
        if ($products_qty >= self::ONEY_PRODUCT_QUANTITY_MAXIMUM) {
            $this->description = '<div class="payment_method_oney_x3_with_fees_disabled">' . sprintf(__('The payment with Oney is unavailable because you have more than %s items in your cart.', 'payplug'), self::ONEY_PRODUCT_QUANTITY_MAXIMUM) . '</div>';

            return self::ONEY_UNAVAILABLE_CODE_CART_SIZE_TOO_HIGH;
        }

        // Country check
        if (empty($country_code_shipping) || empty($country_code_shipping)) {
            $country_code_shipping = WC()->customer->get_shipping_country();
            $country_code_billing = WC()->customer->get_billing_country();
        }

        //WOOC-663 exception for the description to be visible
        //billing allowed?
        if ($this->allowed_country($country_code_billing, $this->allowed_country_codes)) {

            //if shipping is different from billing and billing is accepted
            if (!$this->validate_shipping_billing_country($country_code_shipping, $country_code_billing)) {
                $this->description = '<div class="payment_method_oney_x3_with_fees_disabled">' . __('Unavailable for the specified country.', 'payplug') . '</div>';

                return self::ONEY_UNAVAILABLE_CODE_COUNTRY_NOT_ALLOWED;
            }
        } else {
            return self::ONEY_DISALBE_CHECKOUT_OPTIONS;
        }

        return true;
    }

    /**
     * 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 / 100 < $this->min_oney_price || $amount / 100 > $this->max_oney_price) {
            return new \WP_Error(
                'invalid order amount',
                sprintf(__('The total amount of your order should be between %s€ and %s€ to pay with Oney.', 'payplug'), $this->min_oney_price, $this->max_oney_price)
            );
        }

        return $amount;
    }

    /**
     * @param \WC_Order $order
     * @param int $amount
     * @param int $customer_id
     *
     * @throws \Exception
     *
     * @return array
     */
    public function process_standard_payment($order, $amount, $customer_id)
    {
        $order_id = PayplugWoocommerceHelper::is_pre_30() ? $order->id : $order->get_id();
        try {
            if (!$this->check_oney_is_available()) {
                throw new \Exception(__('Payment processing failed. Please retry.', 'payplug'));
            } elseif ($this->check_oney_is_available() === self::ONEY_UNAVAILABLE_CODE_COUNTRY_NOT_ALLOWED) {
                $country_code = WC()->customer->get_shipping_country();
                throw new \Exception(__('Unavailable for the specified country.'));
            } elseif ($this->check_oney_is_available() === self::ONEY_UNAVAILABLE_CODE_CART_SIZE_TOO_HIGH) {
                throw new \Exception(sprintf(__('The payment with Oney is unavailable because you have more than %s items in your cart.', 'payplug'), self::ONEY_PRODUCT_QUANTITY_MAXIMUM));
            }

            $country = PayplugWoocommerceHelper::is_pre_30() ? $order->billing_country : $order->get_billing_country();
            $phone = PayplugWoocommerceHelper::is_pre_30() ? $order->billing_phone : $order->get_billing_phone();
            $billing_email = PayplugWoocommerceHelper::is_pre_30() ? $order->billing_email : $order->get_billing_email();
            $phone_number_util = PhoneNumberUtil::getInstance();
            $phone_number = $phone_number_util->parse($phone, $country);
            if (PhoneNumberType::MOBILE !== $phone_number_util->getNumberType($phone_number)) {
                throw new \Exception(__('Mobile phone number fullfilled is invalid. Please retry.', 'payplug'));
            }

            if (!filter_var($billing_email, FILTER_VALIDATE_EMAIL) || strpos($billing_email, '+') !== false) {
                throw new \Exception(__('Your email address is too long and the + character is not valid, please change it to another address (max 100 characters).', 'payplug'));
            }

            $address_data = PayplugAddressData::from_order($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;
            }

            $cart_items = [];
            $items = $order->get_items();
            foreach ($items as $item) {
                $data = $item->get_data();
                $total = floatval(round($data['total'], 2)) * 100;
                $cart_items[] = [
                    'delivery_label' => 'storepickup',
                    'delivery_type' => 'storepickup',
                    'brand' => 'Woocommerce',
                    'merchant_item_id' => 'cart-' . $data['id'] . '-' . $data['product_id'],
                    'name' => $data['name'],
                    'expected_delivery_date' => date('Y-m-d'),
                    'total_amount' => (int) $total,
                    'price' => round($total / $data['quantity']),
                    'quantity' => $data['quantity'],
                ];
            }

            $payment_data = [
                'authorized_amount' => $amount,
                'auto_capture' => true,
                'currency' => get_woocommerce_currency(),
                'payment_method' => $this->id,
                'billing' => $address_data->get_billing(),
                'shipping' => $address_data->get_shipping(),
                'payment_context' => [
                    'cart' => $cart_items,
                ],
                'notification_url' => esc_url_raw(WC()->api_request_url('PayplugGateway')),
                'hosted_payment' => [
                    'return_url' => $return_url,
                    'cancel_url' => esc_url_raw($order->get_cancel_order_url_raw()),
                ],
                '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';
            }

            /**
             * 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);

            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));

            return [
                'result' => 'success',
                'redirect' => $payment->hosted_payment->payment_url,
                'cancel' => $payment->hosted_payment->cancel_url,
            ];
        } catch (\HttpException $e) {
            PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, wc_print_r($e->getErrorObject(), true)), 'error');
            throw new \Exception(__($e->getMessage(), 'payplug'));
        } catch (\Exception $e) {
            PayplugGateway::log(sprintf('Error while processing order #%s : %s', $order_id, $e->getMessage()), 'error');
            throw new \Exception(__($e->getMessage(), 'payplug'));
        }
    }

    /**
     * Check if the gatteway is allowed for the order amount
     *
     * @param array
     *
     * @return array
     */
    public function check_gateway($gateways)
    {
        if (isset($gateways[$this->id]) && $gateways[$this->id]->id == $this->id) {
            //remove gateway if thresholds/country criteria are not met
            if ($this->check_oney_is_available() === false) {
                unset($gateways[$this->id]);
            }

            //remove gateway if account doesn't have permission
            if (!PayplugWoocommerceHelper::is_oney_available()) {
                unset($gateways[$this->id]);
            } else {
                $gateways = parent::check_gateway($gateways);
            }
        }

        return $gateways;
    }

    /**
     * Show Oney refund text
     *
     * @return void
     */
    public function oney_refund_text($order): void
    {
        if ($this->id === $order->get_payment_method() && parent::can_refund_order($order) && $order->get_status() !== 'refunded' && $this->payplug_api) {
            $order_metadata = $order->get_meta('_payplug_metadata');

            if (is_array($order_metadata) && !empty($order_metadata['transaction_id'])) {
                try {
                    $payment = $this->payplug_api->payment_retrieve($order_metadata['transaction_id']);
                    $today = current_time('Y-m-d H:i:s');
                    $can_refund_date = date('Y-m-d H:i:s', $payment->__get('refundable_after'));
                    if ($can_refund_date >= $today) {
                        echo "<p style='color: red;'>" . __('Refund will be possible 48 hours after the last payment or refund transaction.', 'payplug') . '</p>';
                    }
                } catch (\Exception $e) {
                    PayplugGateway::log(sprintf('Could not retrieve refundable_after for Oney order: %s', $e->getMessage()), 'error');
                }
            }
        }
    }

    /**
     * Billing and shipping addresses should have the same country and allowed by Oney
     * https://payplug-prod.atlassian.net/browse/WOOC-227
     *
     * @param $order
     *
     * @return bool
     */
    public function validate_shipping_billing_country($shipping_country, $billing_country)
    {
        if ($billing_country === $shipping_country) {
            return true;
        }

        return false;
    }

    /**
     * Country of billing or shipping at oney payments should be on the allowedCountry that comes from pauyplug-api /account
     *
     * @param string $country
     * @param array $allowed
     *
     * @return bool
     */
    public function allowed_country($country, $allowed)
    {
        if (in_array($country, $allowed)) {
            return true;
        }

        return false;
    }

    /**
     * Empty the cart and add all order_items
     *
     * @param $cart
     * @param $items
     *
     * @return void
     */
    private function order_items_to_cart($cart, $items): void
    {
        $cart->empty_cart();
        foreach ($items as $item) {
            $cart->add_to_cart($item->get_product_id(), $item->get_quantity(), $item->get_variation_id());
        }
    }

    public function checkGateway()
    {
        $options = PayplugWoocommerceHelper::get_payplug_options();

        // Now called unconditionally from the constructor (not just at checkout via
        // is_available()), so a legacy account whose stored config predates the oney block
        // (never went through Upgrade::run_upgrade()) would otherwise throw "undefined array
        // key" warnings on every admin page that builds the WC gateway list (PRE-3597 review).
        return $options['payment_methods']['configuration']['oney']['active'] ?? false;
    }
}