pasted all my ai file

app/utils/geminiHelper.ts

@@ -0,0 +1,42 @@
+import { GoogleGenerativeAI } from "@google/generative-ai";
+import { ChatHistory, GenerateConfig,ChatSetting } from "../exportType/types";
+
+const apiKey = process.env.GEMINI_API_KEY;
+
+if(!apiKey){
+    throw new Error("api key not found");
+}
+
+const genAI = new GoogleGenerativeAI(apiKey);
+
+export async function chatToGemini(
+    userMessage:string ,
+    history:ChatHistory, 
+    settings:ChatSetting
+):Promise<string>{
+        const model = genAI.getGenerativeModel({
+            model:settings.model || "gemini-2.5-flash",
+            systemInstruction: settings.sysTemInstructions || "you are going to create a project idea, explain it in summery first before going to detail",
+            });
+        
+        const generationConfig:GenerateConfig = {
+            temperature : settings.temperature || 1,
+            topP : 0.9,
+            responseMimeType: "text/plain",
+            maxOutputTokens: 1900, // Increased to allow for longer responses
+        }
+
+        const chatSession = model.startChat({
+            generationConfig,
+            history
+        })
+
+        try {
+            const result = await chatSession.sendMessage(userMessage);
+            return result.response.text();
+        }
+        catch(error){
+            console.error(error)
+            throw error
+        }
+    }