<?php

namespace Give\PaymentGateways\PayPalCommerce;

use Give\Helpers\EnqueueScript;
use Give\Helpers\Form\Template\Utils\Frontend as FrontendFormTemplateUtils;
use Give\PaymentGateways\Gateways\PayPalCommerce\PayPalCommerceGateway;
use Give\PaymentGateways\PayPalCommerce\Models\MerchantDetail;
use Give_Admin_Settings;

/**
 * Class ScriptLoader
 * @package Give\PaymentGateways\PayPalCommerce
 *
 * @since 3.0.0 Implement on-demand PayPal connection. Admin can select Advance or standard card processing.
 * @since 2.9.0
 */
class ScriptLoader
{
    /**
     * List of connection account type.
     *
     * @since 3.0.0
     * @var string[]
     */
    public static $accountTypes = [
        'PPCP',
        'EXPRESS_CHECKOUT'
    ];

    /**
     * List of countries that support custom payment accounts
     *
     * @since 3.0.0
     * @var string[]
     */
    private $countriesAvailableForAdvanceConnection = [
        'AU',
        'AT',
        'BE',
        'BG',
        'CY',
        'CZ',
        'DK',
        'EE',
        'FI',
        'FR',
        'GR',
        'HU',
        'IT',
        'LV',
        'LI',
        'LT',
        'LU',
        'MT',
        'NL',
        'NO',
        'PL',
        'PT',
        'RO',
        'SK',
        'SI',
        'ES',
        'SE',
        'GB',
        'US',
    ];

    /**
     * @since 2.9.0
     *
     * @var PayPalCommerceGateway
     */
    private $payPalCommerceGateway;

    /**
     * ScriptLoader constructor.
     *
     * @since 3.0.0 Remove $merchantRepository parameter and add $payPalCommerceGateway parameter.
     * @since 2.9.0
     *
     * @param PayPalCommerceGateway $payPalCommerceGateway
     */
    public function __construct(PayPalCommerceGateway $payPalCommerceGateway)
    {
        $this->payPalCommerceGateway = $payPalCommerceGateway;
    }

    /**
     * Load admin scripts
     *
     * @since 3.13.0 Add new "keepWebhooksAfterDisconnect" string
     * @since 2.9.0
     */
    public function loadAdminScripts()
    {
        if (!Give_Admin_Settings::is_setting_page('gateway', 'paypal')) {
            return;
        }

        wp_enqueue_script(
            'give-paypal-partner-js',
            $this->getPartnerJsUrl(),
            [],
            null,
            true
        );

        wp_enqueue_style(
            'give-admin-paypal-commerce-css',
            GIVE_PLUGIN_URL . 'assets/dist/css/admin-paypal-commerce.css',
            [],
            GIVE_VERSION
        );

        wp_localize_script(
            'give-paypal-partner-js',
            'givePayPalCommerce',
            [
                'countriesAvailableForAdvanceConnection' => $this->countriesAvailableForAdvanceConnection,
                'accountTypes' => self::$accountTypes,
                'translations' => [
                    'confirmPaypalAccountDisconnection' => esc_html__('Disconnect PayPal Account', 'give'),
                    'disconnectPayPalAccount' => esc_html__(
                        'Are you sure you want to disconnect your PayPal account?',
                        'give'
                    ),
                    'keepWebhooksAfterDisconnect' => esc_html__("Continue to receive events, including subscription renewals, from the disconnected account? If you have existing recurring donations with this account, you'll want to leave this checked. This is not reversible.",
                        'give'),
                    'keepWebhooksAfterDisconnectLearnMore' => esc_html__('Learn why this is critically important.',
                            'give') . ' &raquo;',
                    'connectSuccessTitle' => esc_html__('You’re connected to PayPal! Here’s what’s next...', 'give'),
                    'pciWarning' => sprintf(
                        __(
                            'PayPal allows you to accept credit or debit cards directly on your website. Because of
                            this, your site needs to maintain <a href="%1$s" target="_blank">PCI-DDS compliance</a>.
                            GiveWP never stores sensitive information like card details to your server and works
                            seamlessly with SSL certificates. Compliance is comprised of, but not limited to:',
                            'give'
                        ),
                        'https://givewp.com/documentation/resources/pci-compliance/'
                    ),
                    'pciComplianceInstructions' => [
                        esc_html__(
                            'Using a trusted, secure hosting provider – preferably one which claims and actively promotes PCI compliance.',
                            'give'
                        ),
                        esc_html__(
                            'Maintain security best practices when setting passwords and limit access to your server.',
                            'give'
                        ),
                        esc_html__('Implement an SSL certificate to keep your donations secure.', 'give'),
                        esc_html__('Keep plugins up to date to ensure latest security fixes are present.', 'give'),
                    ]
                ],
            ]
        );

        $script = <<<EOT
                function giveSandboxPayPalOnBoardedCallback(authCode, sharedId){
                    givePayPalOnBoardedCallback('sandbox', authCode, sharedId);
                }

                function giveLivePayPalOnBoardedCallback(authCode, sharedId){
                    givePayPalOnBoardedCallback('live', authCode, sharedId);
                }

                function givePayPalOnBoardedCallback(mode, authCode, sharedId) {
                    const query = '&mode=' + mode + '&authCode=' + authCode + '&sharedId=' + sharedId;

                    fetch( ajaxurl + '?action=give_paypal_commerce_user_on_boarded' + query )
                        .then(function(res){ return res.json() })
                        .then(function(res) {
                            if ( true !== res.success ) {
                                console.log(res);
                                alert('Something went wrong!');
                                return;
                            }

                            // Remove PayPal quick help container.
                            const paypalErrorQuickHelp = document.getElementById('give-paypal-onboarding-trouble-notice');
                            paypalErrorQuickHelp && paypalErrorQuickHelp.remove();
                        });
                }
EOT;

        wp_add_inline_script(
            'give-paypal-partner-js',
            $script
        );
    }

    /**
     * Load public assets.
     *
     * @since 3.2.0 Get form id from post content if form id is not available.
     * @since 3.2.0 Use EnqueueScript to register and enqueue script.
     * @since 2.32.0 Handle exception if client token is not generated.
     * @since 2.9.0
     */
    public function loadPublicAssets()
    {
        $formId = FrontendFormTemplateUtils::getFormId();

        if (! $formId) {
            $formId = $this->getFormIdFromPostContent();
        }

        if (
            ! $formId
            || \Give\Helpers\Form\Utils::isV3Form($formId)
            || ! Utils::gatewayIsActive()
            || ! Utils::isAccountReadyToAcceptPayment()
        ) {
            return;
        }

        try {
            $formSettings = $this->payPalCommerceGateway->formSettings($formId);
            $paypalSDKOptions = $formSettings['sdkOptions'];

            // Remove v3 donation form related param.
            unset($paypalSDKOptions['data-namespace']);
        } catch (\Exception $e) {
            give_set_error(
                'give-paypal-commerce-client-token-error',
                sprintf(
                    esc_html__(
                        'Unable to load PayPal Commerce client token. Please try again later. Error: %1$s',
                        'give'
                    ),
                    $e->getMessage()
                )
            );

            return;
        }

        /* @var MerchantDetail $merchant */
        $merchant = give(MerchantDetail::class);

        $scriptId = 'give-paypal-commerce-js';
        $data = [
            'paypalCardInfoErrorPrefixes' => [
                'expirationDateField' => esc_html__('Card Expiration Date:', 'give'),
                'cardNumberField' => esc_html__('Card Number:', 'give'),
                'cardCvcField' => esc_html__('Card CVC:', 'give'),
            ],
            'cardFieldPlaceholders' => [
                'cardNumber' => esc_html__('Card Number', 'give'),
                'cardCvc' => esc_html__('CVC', 'give'),
                'expirationDate' => esc_html__('MM/YY', 'give'),
            ],
            'threeDsCardAuthenticationFailedNotice' => esc_html__(
                'There was a problem authenticating your payment method. Please try again. If the problem persists, please try another payment method.',
                'give'
            ),
            'errorCodeLabel' => esc_html__('Error Code', 'give'),
            'genericDonorErrorMessage' => __(
                'There was an error processing your donation. Please contact the administrator.',
                'give'
            ),
            // List of style properties support by PayPal for advanced card fields: https://developer.paypal.com/docs/business/checkout/reference/style-guide/#style-the-card-payments-fields
            'hostedCardFieldStyles' => apply_filters('give_paypal_commerce_hosted_field_style', []),
            'supportsCustomPayments' => $merchant->supportsCustomPayments ? 1 : '',
            'separatorLabel' => esc_html__('Or pay with card', 'give'),
            'payPalSdkQueryParameters' => $paypalSDKOptions,
            'textForOverlayScreen' => sprintf(
                '<h3>%1$s</h3><p>%2$s</p><p>%3$s</p>',
                esc_html__('Donation Processing...', 'give'),
                esc_html__('Checking donation status with PayPal.', 'give'),
                esc_html__('This will only take a second!', 'give')
            )
        ];

        EnqueueScript::make($scriptId, 'assets/dist/js/paypal-commerce.js')
            ->registerTranslations()
            ->loadInFooter()
            ->registerLocalizeData('givePayPalCommerce', $data)
            ->enqueue();
    }

    /**
     * Get PayPal partner js url.
     *
     * @since 2.30.0 sandbox PayPal partner js loads slow. So we are using live url for now.
     * @since 2.9.0
     *
     * @return string
     */
    private function getPartnerJsUrl()
    {
        return 'https://www.paypal.com/webapps/merchantboarding/js/lib/lightbox/partner.js';
    }

    /**
     * This function should return form id from page, post content.
     *
     * @since 3.4.0 Check if $attributes is a valid array before trying to use it as it were
     * @since 3.2.0
     */
    private function getFormIdFromPostContent(): ?int
    {
        global $post;
        $formId = null;

        if (!$post) {
            return null;
        }


        // Donation form can be in page, post content as shortcode.
        $has_shortcode = $post && has_shortcode($post->post_content, 'give_form');
        if ($has_shortcode) {
            $pattern = get_shortcode_regex(['give_form']);

            if (
                preg_match('/' . $pattern . '/s', $post->post_content, $matches)
                && array_key_exists(2, $matches)
                && 'give_form' === $matches[2]
            ) {
                $attributes = shortcode_parse_atts($matches[3]);

                if (is_array($attributes) && array_key_exists('id', $attributes)) {
                    $formId = $attributes['id'];
                }
            }
        }

        // Donation form can be in page, post content as Donation Form block.
        if (!$formId) {
            $blocks = parse_blocks($post->post_content);

            foreach ($blocks as $block) {
                if (
                    $block['blockName'] === 'give/donation-form'
                    && array_key_exists('id', $block['attrs'])
                ) {
                    $formId = $block['attrs']['id'];
                    break;
                }
            }
        }

        return absint($formId);
    }
}