<?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');

            $args = array(
                'number'     => $number,
                'orderby'    => $orderby,
                'order'      => $order,
                'hide_empty' => $hide_empty,
                'include'    => $ids
            );

            $product_categories = get_terms( 'product_cat', $args );

            if ( !function_exists('get_editable_roles') ) {
            require_once( ABSPATH . '/wp-admin/includes/user.php' );
            }

            $roles = [];
            foreach(get_editable_roles() as $role_name => $role_info)
              $roles[] = $role_name;

            $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->excluded_categories    = $this->get_option('excluded_categories');
            $this->excluded_groups    = $this->get_option('excluded_groups');
            $this->page       = $this->get_option('page');

        }

        public function init_form_fields()
        {
          $args = array(
              'number'     => $number,
              'orderby'    => $orderby,
              'order'      => $order,
              'hide_empty' => $hide_empty,
              'include'    => $ids
          );

          $product_categories = get_terms( 'product_cat', $args );

            $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'
                ),
                'excluded_categories' => array(
                    'title' => __('Exclude Categories', 'woocommerce-integration-agechecker'),
                    'type' => 'listbox',
                    'description' => __('Age verification will not be required if all of the cart products are in one these categories.', 'woocommerce-integration-agechecker'),
                    'default' => '',
                    'list' => 'categories'

                ),
                'excluded_groups' => array(
                    'title' => __('Exclude Groups', 'woocommerce-integration-agechecker'),
                    'type' => 'listbox',
                    'description' => __('Age verification will be not required if the customer is in one of these groups.', 'woocommerce-integration-agechecker'),
                    'default' => '',
                    'list' => 'roles'
                ),
                'page' => array(
                    'title' => __('Page', 'woocommerce-integration-agechecker'),
                    'type' => 'text',
                    'description' => __('Page to show AgeChecker.Net on.', 'woocommerce-integration-agechecker'),
                    'default' => 'checkout'
                )
            );
        }

	public function generate_listbox_html( $key, $data ) {
        	$field    = $this->plugin_id . $this->id . '_' . $key;
		      $defaults = array(
        		'class'             => '',
        		'css'               => '',
        		'custom_attributes' => array(),
        		'desc_tip'          => false,
        		'description'       => '',
        		'title'             => '',
            'list'              => array(),
          );

          $args = array(
            'number'     => $number,
            'orderby'    => $orderby,
            'order'      => $order,
            'hide_empty' => $hide_empty,
            'include'    => $ids
          );

          $product_categories = get_terms( 'product_cat', $args );


          $roles = [];
          foreach(get_editable_roles() as $role_name => $role_info)
            $roles[] = $role_name;

        	ob_start();

        	?>

      		<tr valign="top">
        		<th scope="row" class="titledesc">
        			<label for="<?php echo esc_attr( $field ); ?>"><?php echo wp_kses_post( $data['title'] ); ?></label>
        			<?php echo $this->get_tooltip_html( $data ); ?>
        		</th>
        		<td class="forminp">
        			<fieldset>
        				<legend class="screen-reader-text"><span><?php echo wp_kses_post( $data['title'] ); ?></span></legend>
    	 					<select multiple name="<?php echo esc_attr( $field );?>" size="5" style="width:250px;" id="<?php echo esc_attr( $field ); ?>">
                  <?php
                    if( $this->get_option( $key ) != "" && sizeof(explode(",", $this->get_option( $key ))) != 0) {
                      foreach(explode(",", $this->get_option( $key )) as $c) {
                        echo '<option value="'. $c . '">'. $c .'</option>';
                      }
                    }
                  ?>
    						</select>
      					<button onclick="document.getElementById('<?php echo esc_attr( $field ); ?>').remove(document.getElementById('<?php echo esc_attr( $field ); ?>').selectedIndex); var data = ''; for(var i=0;i<document.getElementById('<?php echo esc_attr( $field ); ?>').options.length;i++) data += (i != 0 ? ',' : '') + document.getElementById('<?php echo esc_attr( $field ); ?>').options[i].value; document.getElementById('<?php echo $data['list']; ?>ListData').value = data;" class="button-secondary" type="button" style="<?php echo esc_attr( $data['css'] ); ?>" <?php echo $this->get_custom_attribute_html( $data ); ?>>Remove</button>
      					<p>
                  <select id="<?php echo $data['list']; ?>Input" name="<?php echo $data['list']; ?>Input">
                    <?php
                      if($data['list'] == "categories") {
                        foreach($product_categories as $c) {
                          echo '<option value="'. $c->name . '">'. $c->name .'</option>';
                        }
                      }
                      else {
                        foreach($roles as $c) {
                          echo '<option value="'. $c . '">'. $c .'</option>';
                        }
                      }
                    ?>
                  </select>
          				<button onclick="var exists = false; for(var i=0;i<document.getElementById('<?php echo esc_attr( $field ); ?>').options.length;i++) if(!document.getElementById('<?php echo $data['list']; ?>Input').value || document.getElementById('<?php echo esc_attr( $field ); ?>').options[i].value == document.getElementById('<?php echo $data['list']; ?>Input').value) exists = true; if(!exists) { var x = document.createElement('option'); x.text = document.getElementById('<?php echo $data['list']; ?>Input').value; document.getElementById('<?php echo esc_attr( $field ); ?>').add(x); } var data = ''; for(var i=0;i<document.getElementById('<?php echo esc_attr( $field ); ?>').options.length;i++) data += (i != 0 ? ',' : '') + document.getElementById('<?php echo esc_attr( $field ); ?>').options[i].value; document.getElementById('<?php echo $data['list']; ?>ListData').value = data;" class="button-secondary" type="button" style="<?php echo esc_attr( $data['css'] ); ?>" <?php echo $this->get_custom_attribute_html( $data ); ?>>Add</button>
                  <input hidden="true" type="text" id="<?php echo $data['list']; ?>ListData" name="<?php echo $data['list']; ?>ListData" value="<?php echo $this->get_option( $key ); ?>">
      					</p>
        				<?php echo $this->get_description_html( $data ); ?>
        			</fieldset>
        		</td>
        	</tr>
        	<?php
        	return ob_get_clean();
        }

        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);

            $excluded = true;

            $excludedCategories = explode(",", $this->excluded_categories);
            if(!(sizeof($excludedCategories) == 1 && $excludedCategories[0] == "")) {
              foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
                $noExclude = true;
                foreach($excludedCategories as $c) {
                  if(has_term($c, 'product_cat', $cart_item['data']->id)) {
                    $noExclude = false;
                    break;
                  }
                }
                if($noExclude)
                  $excluded = false;
              }
            }
            else
              $excluded = false;


            $excludedGroups = explode(",", $this->excluded_groups);
            if(!(sizeof($excludedGroups) == 1 && $excludedGroups[0] == "")) {
              foreach($excludedGroups as $c) {
                if (strpos($user_role, $c) !== false) {
                  $excluded = true;
                  break;
                }
              }
            }


            if ($excluded)
                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_excluded_categories_field($key) {
          $value = $_POST["categoriesListData"];
          if(!isset($value)) {
          ?>
            <div class="error notice">
              <p><?php
                    _e('<strong>Invalid excluded roles.</strong>', 'woocommerce-integration-agechecker');
    ?></p>
            </div>
          <?php
          }
          return $value;
        }

        public function validate_excluded_groups_field($key) {
          $value = $_POST["rolesListData"];
          if(!isset($value)) {
          ?>
            <div class="error notice">
              <p><?php
                    _e('<strong>Invalid excluded roles.</strong>', 'woocommerce-integration-agechecker');
    ?></p>
            </div>
          <?php
          }
          return $value;
        }

        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);

            $excluded = true;

            $excludedCategories = explode(",", $this->excluded_categories);

            if(!(sizeof($excludedCategories) == 1 && $excludedCategories[0] == "")) {
              foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
                $noExclude = true;
                foreach($excludedCategories as $c) {
                  if(has_term($c, 'product_cat', $cart_item['data']->id)) {
                    $noExclude = false;
                    break;
                  }
                }
                if($noExclude)
                  $excluded = false;
              }
            }
            else
              $excluded = false;

            $excludedGroups = explode(",", $this->excluded_groups);
            if(!(sizeof($excludedGroups) == 1 && $excludedGroups[0] == "")) {
              foreach($excludedGroups as $c) {
                if (strpos($user_role, $c) !== false) {
                  $excluded = true;
                  break;
                }
              }
            }


            if ($excluded)
                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;var h=d.getElementsByTagName("head")[0];var a=d.createElement("script");a.src="https://api.agechecker.net/v1/static/index.js";a.crossOrigin="anonymous";a.onerror=function(a){w.location.href="https://agechecker.net/loaderror";};h.insertBefore(a,h.firstChild);})(window, document);</script>';
            }
        }
    }
endif;