Added OpenAI client dependency and fixed facade loading

Author: intel1590

config/aiemail.php

@@ -1,6 +1,7 @@
 <?php
 
 return [
+    'demo_mode' => env('AIEMAIL_DEMO', false),
     'provider' => env('AI_EMAIL_PROVIDER', 'openai'),
     'openai_key' => env('OPENAI_API_KEY'),
 

src/Services/AIEmailGenerator.php

@@ -17,9 +17,22 @@ public function __construct(AIClientInterface $client, array $config = [])
 
     public function generate(string $templateName, array $details = [], array $options = []): array
     {
+        // ✅ 1. Check for demo mode (set via config or .env)
+        if (config('aiemail.demo_mode', false)) {
+            return [
+                'subject' => 'Welcome to ' . ($details['company_name'] ?? 'Our Company'),
+                'body' => "Hi " . ($details['customer_name'] ?? 'there') . ",\n\n" .
+                          "We're excited to have you try our " . ($details['product'] ?? 'AI Email Assistant') . "!\n" .
+                          "This is a sample email generated in demo mode.\n\n" .
+                          "Cheers,\nThe " . ($details['company_name'] ?? 'OM Diaries') . " Team"
+            ];
+        }
+
+        // 🧠 2. Proceed normally with real API call
         $template = \OmDiaries\AIEmailAssistant\Support\PromptTemplates::get($templateName);
         $prompt = $this->buildPrompt($template, $details, $options);
         $result = $this->client->complete($prompt, array_merge($this->config['default_options'] ?? [], $options));
+
         $parts = preg_split('/\r?\n\r?\n|###/', trim($result), 2);
 
         return [
@@ -40,4 +53,4 @@ protected function buildPrompt(string $template, array $details = [], array $opt
         }
         return $prompt;
     }
-}
+}