Add API connection settings

inc/class-settings.php

@@ -19,6 +19,7 @@ final class Settings {
     use Singleton;
 
     const CAPABILITY = 'manage_options';
+    const DEFAULT_INSTANCE_URL = 'https://captcha.cleverogre.com';
 
     protected function __construct() {
         add_action('admin_menu', [$this, 'menu']);
@@ -31,8 +32,16 @@ final class Settings {
         return $data;
     }
 
-    private function is_checked(string $name, string $value):bool {
-        return in_array($value, (array) $this->get($name));
+    public function get_instance_url():string {
+        return !empty($value = (string) $this->get('instance_url')) ? $value : self::DEFAULT_INSTANCE_URL;
+    }
+
+    public function get_site_key():string {
+        return (string) $this->get('site_key');
+    }
+
+    public function get_secret_key():string {
+        return (string) $this->get('secret_key');
     }
 
     public function menu() {
@@ -45,23 +54,45 @@ final class Settings {
 
         add_settings_section(
             'default',
-            Plugin::__('General'),
+            Plugin::__('Cap API Credentials'),
             [$this, 'section'],
             Plugin::get_id(),
             [
-                'description' => Plugin::__('General settings for this plugin.'),
+                'description' => Plugin::__('The configuration settings for your Cap CAPTCHA API connection.'),
             ]
         );
 
         add_settings_field(
-            Plugin::get_id() . '_text',
-            Plugin::__('Text'),
+            Plugin::get_id() . '_instance_url',
+            Plugin::__('Instance URL'),
             [$this, 'field'],
             Plugin::get_id(),
             args: [
-                'name' => 'text',
-                'placeholder' => Plugin::__('Insert some text here...'),
-                'description' => Plugin::__('An example field.'),
+                'name' => 'instance_url',
+                'placeholder' => Plugin::__('https://captcha.cleverogre.com/'),
+                'description' => Plugin::__('Provide the base URL to an instance of Cap. Defaults to CleverOgre\'s CAPTCHA server.'),
+            ]
+        );
+
+        add_settings_field(
+            Plugin::get_id() . '_site_key',
+            Plugin::__('Site key'),
+            [$this, 'field'],
+            Plugin::get_id(),
+            args: [
+                'name' => 'site_key',
+                'description' => Plugin::__('Provide your Cap site key.'),
+            ]
+        );
+
+        add_settings_field(
+            Plugin::get_id() . '_secret_key',
+            Plugin::__('Secret key'),
+            [$this, 'field'],
+            Plugin::get_id(),
+            args: [
+                'name' => 'secret_key',
+                'description' => Plugin::__('Provide your Cap secret key.'),
             ]
         );
     }
@@ -143,23 +174,6 @@ final class Settings {
         }
     }
 
-    public function checkbox_field(array $args):void {
-        extract($args);
-
-        echo implode('<br>', array_map(
-            fn (object $option):string => sprintf(
-                '<label><input type="checkbox" name="%s[%s][]" value="%s" %s>&nbsp;%s (%s)</label>',
-                esc_attr(Plugin::get_id()),
-                esc_attr($name),
-                esc_attr($option->name),
-                checked($this->is_checked($name, $option->name), display: false),
-                esc_html($option->label),
-                esc_html($option->name)
-            ),
-            $options
-        ));
-    }
-
     public static function get_url():string {
         return admin_url('options-general.php?page=' . Plugin::get_id());
     }