Update geminiService.ts

services/geminiService.ts

@@ -1,5 +1,30 @@
 import { GoogleGenAI } from "@google/genai";
-import { KBArticle, Ticket, TicketStatus } from "../types";
+import { AiProvider, KBArticle, Ticket, TicketStatus } from "../types";
+
+// --- OPENROUTER / OPENAI COMPATIBLE FETCH ---
+async function callOpenRouter(apiKey: string, model: string, messages: any[]) {
+  const response = await fetch("https://openrouter.ai/api/v1/chat/completions", {
+    method: "POST",
+    headers: {
+      "Authorization": `Bearer ${apiKey}`,
+      "Content-Type": "application/json",
+      "HTTP-Referer": window.location.origin, // Required by OpenRouter
+      "X-Title": "OmniSupport AI" // Optional
+    },
+    body: JSON.stringify({
+      model: model || "openai/gpt-3.5-turbo",
+      messages: messages
+    })
+  });
+
+  if (!response.ok) {
+    const err = await response.text();
+    throw new Error(`OpenRouter API Error: ${err}`);
+  }
+
+  const data = await response.json();
+  return data.choices[0]?.message?.content || "";
+}
 
 /**
  * Agent 1: Customer Support Chat
@@ -9,15 +34,14 @@ export const getSupportResponse = async (
   apiKey: string,
   userQuery: string,
   chatHistory: string[],
-  knowledgeBase: KBArticle[]
+  knowledgeBase: KBArticle[],
+  provider: AiProvider = AiProvider.GEMINI,
+  model: string = 'gemini-3-flash-preview'
 ): Promise<string> => {
   if (!apiKey) {
     return "L'assistente AI non è configurato (API Key mancante). Contatta l'amministratore.";
   }
 
-  try {
-    const ai = new GoogleGenAI({ apiKey });
-
   // Prepare Context from KB
   const kbContext = knowledgeBase.map(a => {
     if (a.type === 'url') {
@@ -26,7 +50,7 @@ export const getSupportResponse = async (
     return `Articolo [${a.category}]: ${a.title}\nContenuto: ${a.content}`;
   }).join('\n\n');
 
-    const systemInstruction = `
+  const systemInstructionText = `
     Sei "OmniSupport AI", un assistente clienti virtuale globale.
     
     IL TUO COMPITO:
@@ -46,22 +70,38 @@ export const getSupportResponse = async (
     4. Sii cortese, professionale e sintetico.
   `;
 
+  try {
+    if (provider === AiProvider.OPENROUTER || provider === AiProvider.OPENAI || provider === AiProvider.DEEPSEEK) {
+      // Logic for OpenRouter/OpenAI compatible APIs
+      const messages = [
+        { role: "system", content: systemInstructionText },
+        ...chatHistory.map(msg => ({ role: "user", content: msg })),
+        { role: "user", content: userQuery }
+      ];
+      
+      const response = await callOpenRouter(apiKey, model, messages);
+      return response || "Mi dispiace, non riesco a generare una risposta al momento.";
+
+    } else {
+      // Default to Google Gemini
+      const ai = new GoogleGenAI({ apiKey });
       const response = await ai.models.generateContent({
-      model: 'gemini-3-flash-preview',
+        model: model,
         contents: [
           ...chatHistory.map(msg => ({ role: 'user', parts: [{ text: msg }] })), 
           { role: 'user', parts: [{ text: userQuery }] }
         ],
         config: {
-        systemInstruction: systemInstruction,
+          systemInstruction: systemInstructionText,
           temperature: 0.3, 
         }
       });
-
       return response.text || "Mi dispiace, non riesco a generare una risposta al momento.";
+    }
+
   } catch (error) {
-    console.error("Gemini Error:", error);
-    return "Si è verificato un errore nel servizio AI (Verifica API Key o connessione).";
+    console.error("AI Service Error:", error);
+    return "Si è verificato un errore nel servizio AI (Verifica API Key, Provider o connessione).";
   }
 };
 
@@ -71,13 +111,12 @@ export const getSupportResponse = async (
 export const generateNewKBArticle = async (
   apiKey: string,
   resolvedTickets: Ticket[],
-  existingArticles: KBArticle[]
+  existingArticles: KBArticle[],
+  provider: AiProvider = AiProvider.GEMINI,
+  model: string = 'gemini-3-pro-preview'
 ): Promise<{ title: string; content: string; category: string } | null> => {
   if (!apiKey) return null;
 
-  try {
-    const ai = new GoogleGenAI({ apiKey });
-
   // Filter only resolved tickets
   const relevantTickets = resolvedTickets.filter(t => t.status === TicketStatus.RESOLVED);
   
@@ -91,7 +130,7 @@ export const generateNewKBArticle = async (
 
   const existingTitles = existingArticles.map(a => a.title).join(', ');
 
-    const prompt = `
+  const systemPrompt = `
     Sei un Knowledge Manager AI esperto. 
     Analizza i seguenti ticket risolti e confrontali con gli articoli esistenti nella Knowledge Base.
     
@@ -103,7 +142,7 @@ export const generateNewKBArticle = async (
     OBIETTIVO:
     1. Identifica un problema ricorrente o una soluzione tecnica presente nei ticket risolti MA NON coperta dagli articoli esistenti.
     2. Se trovi una lacuna, scrivi un NUOVO articolo di Knowledge Base per colmarla.
-      3. Restituisci il risultato ESCLUSIVAMENTE in formato JSON.
+    3. Restituisci il risultato ESCLUSIVAMENTE in formato JSON valido. Non aggiungere markdown code blocks.
 
     SCHEMA JSON RICHIESTO:
     {
@@ -114,18 +153,29 @@ export const generateNewKBArticle = async (
     }
   `;
 
+  try {
+    let rawText = "";
+
+    if (provider === AiProvider.OPENROUTER || provider === AiProvider.OPENAI || provider === AiProvider.DEEPSEEK) {
+       const messages = [{ role: "system", content: systemPrompt }];
+       rawText = await callOpenRouter(apiKey, model, messages);
+    } else {
+       const ai = new GoogleGenAI({ apiKey });
        const response = await ai.models.generateContent({
-      model: 'gemini-3-pro-preview',
-      contents: prompt,
-      config: {
-        responseMimeType: "application/json"
-      }
+        model: model,
+        contents: systemPrompt,
+        config: { responseMimeType: "application/json" }
        });
+       rawText = response.text || "";
+    }
 
-    const text = response.text;
-    if (!text) return null;
+    if (!rawText) return null;
 
-    const result = JSON.parse(text);
+    // Clean markdown if present (sometimes models add ```json ... ```)
+    // We escape the backticks in the regex to ensure safety in all environments
+    const cleanedText = rawText.replace(/\`\`\`json/g, '').replace(/\`\`\`/g, '').trim();
+    
+    const result = JSON.parse(cleanedText);
     if (result.foundGap) {
       return {
         title: result.title,
@@ -134,6 +184,7 @@ export const generateNewKBArticle = async (
       };
     }
     return null;
+
   } catch (error) {
     console.error("Knowledge Agent Error:", error);
     return null;