<?php
if (!class_exists('WC_Integration_AgeChecker_Integration')):
    class WC_Integration_AgeChecker_Integration extends WC_Integration
    {
        public function __construct()
        {
            $this->id                 = 'integration-agechecker';
            $this->method_title       = __('AgeChecker.Net', 'woocommerce-integration-agechecker');
            $this->method_description = __('E-Commerce Age Verification', 'woocommerce-integration-agechecker');

            $this->init_form_fields();
            $this->init_settings();

            add_action('wp_head', array(
                $this,
                'add_script'
            ), 1);
            add_action('woocommerce_update_options_integration_integration-agechecker', array(
                $this,
                'process_admin_options'
            ));
            add_action('woocommerce_checkout_process', array(
                $this,
                'validate_order'
            ));

            $this->key        = $this->get_option('key');
            $this->store_name = $this->get_option('store_name');
            $this->element    = $this->get_option('element');
            $this->exclude    = $this->get_option('exclude');
            $this->page       = $this->get_option('page');
        }

        public function init_form_fields()
        {
            $this->form_fields = array(
                'key' => array(
                    'title' => __('API Key', 'woocommerce-integration-agechecker'),
                    'type' => 'text',
                    'description' => __('The API key for this domain. Find it in the websites tab of your AgeChecker.Net account', 'woocommerce-integration-agechecker'),
                    'default' => ''
                ),
                'store_name' => array(
                    'title' => __('Store Name', 'woocommerce-integration-agechecker'),
                    'type' => 'text',
                    'description' => __('Display name of your store in the popup.', 'woocommerce-integration-agechecker'),
                    'default' => ''
                ),
                'element' => array(
                    'title' => __('Element', 'woocommerce-integration-agechecker'),
                    'type' => 'text',
                    'description' => __('Element selector to attach the popup event to. (You may need to change this if you use a custom theme/template)', 'woocommerce-integration-agechecker'),
                    'default' => '#place_order'
                ),
                'exclude' => array(
                    'title' => __('Exclude Wholesale', 'woocommerce-integration-agechecker'),
                    'type' => 'checkbox',
                    'description' => __('Exclude all roles containing "wholesale" from age verification.', 'woocommerce-integration-agechecker'),
                    'default' => 'no'
                ),
                'page' => array(
                    'title' => __('Page', 'woocommerce-integration-agechecker'),
                    'type' => 'text',
                    'description' => __('Page to show AgeChecker.Net on.', 'woocommerce-integration-agechecker'),
                    'default' => 'checkout'
                )
            );
        }

        public function validate_order()
        {
            $current_user = wp_get_current_user();
            if (!($current_user instanceof WP_User))
                return;
            $roles     = $current_user->roles;
            $user_role = implode($roles);
            if (strpos($user_role, 'wholesale') !== false && $this->exclude == "yes")
                return;

            $uuid = $_POST['agechecker_uuid'];

            if (!isset($uuid) || strlen($uuid) != 32)
                wc_add_notice(__('You must complete the age verification process! Need help? Contact help@agechecker.net'), 'error');
            else {
                $req  = json_encode(array(
                    'key' => $this->key,
                    'uuid' => $uuid
                ), JSON_FORCE_OBJECT);
                $post = wp_remote_post("https://api.agechecker.net/v1/validate", array(
                    'method' => 'POST',
                    'timeout' => 20,
                    'httpversion' => '1.1',
                    'headers' => array(
                        'Content-Type' => 'application/json'
                    ),
                    'body' => $req
                ));
                if (is_wp_error($post)) {
                    wc_add_notice(__('The age verification service could not verify you at this time. Need help? Contact help@agechecker.net'), 'error');
                } else {
                    $res = json_decode($post['body']);
                    if ($res->status == "accepted")
                        return true;
                    else
                        wc_add_notice(__('You have not been approved by the age verification process! Need help? Contact help@agechecker.net' . $res->status), 'error');
                }
            }
            return false;
        }

        public function validate_key_field($key)
        {
            $value = $_POST[$this->plugin_id . $this->id . '_' . $key];
            if (isset($value) && strlen($value) != 32) {
?>
        <div class="error notice">
          <p><?php
                _e('<strong>API key invalid!</strong> Use the 32-character domain key from the <a href="https://agechecker.net/account/websites" target="blank_">website tab</a> in your AgeChecker.Net account area.', 'woocommerce-integration-agechecker');
?></p>
        </div>
        <?php
            }
            return $value;
        }

        public function add_script()
        {
            $current_user = wp_get_current_user();
            if (!($current_user instanceof WP_User))
                return;
            $roles     = $current_user->roles;
            $user_role = implode($roles);
            if (strpos($user_role, 'wholesale') !== false && $this->exclude == "yes")
                return;
            if (is_page($this->page)) {
                echo '<noscript><meta http-equiv="refresh" content="0; url=https://agechecker.net/noscript"></noscript>
<script>(function(w,d){var config={key:"' . $this->key . '",element:"' . $this->element . '",name:"' . $this->store_name . '"};w.AgeCheckerConfig=config;if(config.path||(w.location.pathname+w.location.search).indexOf(config.path)===0) return;var a=d.createElement("script");a.src="https://agechecker.net/v1/static/index.js";a.crossOrigin="anonymous";a.onerror=function(a){w.location.href="https://agechecker.net/loaderror";};d.head.insertBefore(a,d.head.firstChild);})(window, document);</script>';
            }
        }
    }
endif;