Update Banyak

config/gpt_ai.php

@@ -0,0 +1,39 @@
+<?php
+
+require_once __DIR__ . '/whatsapp_api.php'; // untuk dapatkan OPENAI_API_KEY
+
+class Gpt_Ai_Api {
+
+    /**
+     * Memanggil OpenAI Chat Completions
+     * @param array $payload Array sesuai format OpenAI API
+     * @return string Respon AI atau pesan error
+     */
+    public function call_openai(array $payload): string {
+        $ch = curl_init("https://api.openai.com/v1/chat/completions");
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, [
+            "Content-Type: application/json",
+            "Authorization: " . "Bearer " . OPENAI_API_KEY
+        ]);
+        curl_setopt($ch, CURLOPT_POST, true);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
+        $response = curl_exec($ch);
+
+        if ($response === false) {
+            $error_msg = curl_error($ch);
+            curl_close($ch);
+            return "⚠️ Gagal menghubungi AI: $error_msg";
+        }
+
+        curl_close($ch);
+
+        $data = json_decode($response, true);
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            return "⚠️ Respon AI tidak valid JSON.";
+        }
+
+        return $data['choices'][0]['message']['content'] ?? "⚠️ Tidak ada respon dari AI.";
+    }
+
+}