<?php

namespace Payplug\PayplugWoocommerce\Gateway\Blocks;

use Payplug\PayplugWoocommerce\PayplugWoocommerceHelper;

class PayplugApplePay extends PayplugGenericBlock
{
    /**
     * Payment method name/id/slug.
     *
     * @var string
     */
    protected $name = 'apple_pay';

    /**
     * Returns an associative array of data to be exposed for the payment method's client side.
     *
     * @return array
     */
    public function get_payment_method_data()
    {
        $data = parent::get_payment_method_data();
        $data['icon'] = [
            'src' => esc_url(PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/images/checkout/' . $this->gateway->image),
            'icon_alt' => $data['name'],
        ];

        $data['payplug_locale'] = get_locale();
        $data['payplug_countryCode'] = WC()->customer !== null ? WC()->customer->get_billing_country() : 'FR';
        $data['payplug_currencyCode'] = get_woocommerce_currency();
        $data['payplug_apple_pay_domain'] = wp_parse_url(home_url(), PHP_URL_HOST);
        $data['is_order_pay'] = is_wc_endpoint_url('order-pay');
        $data['order_pay_id'] = $data['is_order_pay'] ? (int) get_query_var('order-pay') : 0;
        $data['order_pay_key'] = $data['is_order_pay'] ? wc_clean(wp_unslash($_GET['key'] ?? '')) : '';
        $data['ajax_url_applepay_update_payment'] = \WC_AJAX::get_endpoint('applepay_update_payment');
        $data['payplug_create_intent_payment'] = \WC_AJAX::get_endpoint('payplug_create_intent');
        $data['is_cart'] = is_cart() && $this->gateway->get_button_cart() && !PayplugWoocommerceHelper::is_subscription();
        $data['is_product'] = is_product() && $this->gateway->get_button_product() && !PayplugWoocommerceHelper::is_subscription();

        $data['ajax_url_applepay_get_shippings'] = \WC_AJAX::get_endpoint('applepay_get_shippings');
        $data['ajax_url_place_order_with_dummy_data'] = \WC_AJAX::get_endpoint('place_order_with_dummy_data');
        $data['ajax_url_update_applepay_order'] = \WC_AJAX::get_endpoint('update_applepay_order');
        $data['ajax_url_update_applepay_payment'] = \WC_AJAX::get_endpoint('update_applepay_payment');
        $data['ajax_url_applepay_get_order_totals'] = \WC_AJAX::get_endpoint('applepay_get_order_totals');
        $data['ajax_url_applepay_cancel_order'] = \WC_AJAX::get_endpoint('applepay_cancel_order');
        $data['ajax_url_applepay_empty_cart'] = \WC_AJAX::get_endpoint('applepay_empty_cart');
        $data['ajax_url_applepay_add_to_cart'] = \WC_AJAX::get_endpoint('applepay_add_to_cart');

        $data['countryCode'] = WC()->customer !== null ? WC()->customer->get_billing_country() : 'FR';
        $data['currencyCode'] = get_woocommerce_currency();
        $data['apple_pay_domain'] = wp_parse_url(home_url(), PHP_URL_HOST);
        $data['payplug_authorized_carriers'] = $this->gateway->get_carriers();
        $data['payplug_carriers'] = $this->get_carriers();

        return $data;
    }

    /**
     * Returns an array of scripts/handles to be registered for this payment method.
     *
     * @return array
     */
    public function get_payment_method_script_handles()
    {
        wp_register_script(
            'apple-pay-sdk',
            'https://applepay.cdn-apple.com/jsapi/1.latest/apple-pay-sdk.js',
            [],
            '1.latest',
            true
        );

        wp_enqueue_style('payplug-apple-pay', PAYPLUG_GATEWAY_PLUGIN_URL . 'assets/css/payplug-apple-pay.css', [], PAYPLUG_GATEWAY_VERSION);
        wp_enqueue_script('apple-pay-sdk');

        return parent::get_payment_method_script_handles();
    }

    /**
     * Checks if the Apple Pay payment method is active.
     *
     * @return bool
     */
    public function is_active()
    {
        if (class_exists('WC_Blocks_Utils')) {

            //replace for the helper function when merged
            if (\WC_Blocks_Utils::has_block_in_page(wc_get_page_id('checkout'), 'woocommerce/checkout') ||
                 \WC_Blocks_Utils::has_block_in_page(wc_get_page_id('cart'), 'woocommerce/cart') ||
                 \WC_Blocks_Utils::has_block_in_page(wc_get_page_id('product'), 'woocommerce/product')) {
                if (!empty($this->gateway) && $this->gateway->checkApplePay() && $this->gateway->isSSL()) {
                    return true;
                }

                return false;
            }
        }
    }

    /**
     * Retrieves available shipping carriers for Apple Pay.
     *
     * @return array
     */
    public function get_carriers()
    {
        $shippings = [];

        if (is_null(WC()->cart)) {
            wc_load_cart();
            WC()->cart->get_cart_from_session();
        }

        if (empty(WC()->cart) || empty(WC()->cart->get_shipping_packages())) {
            return $shippings;
        }

        $packages = WC()->cart !== null ? WC()->cart->get_shipping_packages() : null;

        if (!empty($packages)) {
            foreach ($packages as $package_key => $package) {
                $shipping_methods = $this->get_shipping_methods_from_package($package);
                foreach ($shipping_methods as $shipping_method) {
                    if (!$shipping_method->supports('shipping-zones') || !$shipping_method->is_enabled()) {
                        continue;
                    }

                    $rates = $shipping_method->get_rates_for_package($package);
                    if ($this->checkApplePayShipping($shipping_method)) {
                        if (empty($rates[$shipping_method->get_rate_id()])) {
                            continue;
                        }
                        $shipping_rate = $rates[$shipping_method->get_rate_id()];

                        !empty($shipping_rate) && method_exists($shipping_rate, 'get_cost') ? $shipping_costs = $shipping_rate->get_cost() : $shipping_costs = 0;
                        !empty($shipping_rate) && method_exists($shipping_rate, 'get_shipping_tax') ? $shipping_tax = $shipping_rate->get_shipping_tax() : $shipping_tax = 'Na';

                        array_push($shippings, [
                            'identifier' => $shipping_method->id,
                            'label' => $shipping_method->method_title,
                            'detail' => strip_tags($shipping_method->method_description),
                            'amount' => $shipping_costs + $shipping_tax,
                        ]);
                    }
                }
            }
        }

        return $shippings;
    }

    /**
     * Checks if the shipping method is compatible with Apple Pay.
     *
     * @param array $shipping
     *
     * @return bool
     */
    public function checkApplePayShipping($shipping = [])
    {
        if (empty($shipping)) {
            return false;
        }

        $apple_pay_options = PayplugWoocommerceHelper::get_applepay_options();
        $apple_pay_carriers = $apple_pay_options['carriers'];

        $exists = false;
        foreach ($apple_pay_carriers as $carrier => $carrier_id) {
            if ($carrier_id === $shipping->id) {
                return true;
            }
        }

        return $exists;
    }

    /**
     * Retrieves shipping methods from a package.
     *
     * @param array $package
     *
     * @return array
     */
    public function get_shipping_methods_from_package($package)
    {
        $shipping_zone = \WC_Shipping_Zones::get_zone_matching_package($package);

        return $shipping_zone->get_shipping_methods(true);
    }
}