backend/src/utils/gemini-fallback.js

@@ -1,15 +1,15 @@
 /**
  * Gemini API with Multi-Tier Fallback
- * Tries: Gemini → OpenCode → OpenRouter
+ * Tries: Gemini → OpenRouter → OpenCode
  */
 
 const fetch = require('node-fetch');
 
 const GEMINI_API_KEY = process.env.GOOGLE_API_KEY;
-const OPENCODE_API_KEY = process.env.OPENCODE_API_KEY;
-const OPENCODE_BASE_URL = process.env.OPENCODE_BASE_URL || 'https://api.opencode.com/v1';
 const OPENROUTER_API_KEY = process.env.OPENROUTER_API_KEY;
 const OPENROUTER_BASE_URL = process.env.OPENROUTER_BASE_URL || 'https://openrouter.ai/api/v1';
+const OPENCODE_API_KEY = process.env.OPENCODE_API_KEY;
+const OPENCODE_BASE_URL = process.env.OPENCODE_BASE_URL || 'https://api.opencode.com/v1';
 
 async function generateWithFallback(prompt, options = {}) {
   console.log('🤖 Generating content...');
@@ -46,40 +46,10 @@ async function generateWithFallback(prompt, options = {}) {
     }
   }
   
-  // Tier 2: Fallback to OpenCode
+  // Tier 2: Fallback to OpenRouter (billigare, mer flexibel)
-  if (OPENCODE_API_KEY) {
-    try {
-      console.log('📍 Tier 2: Attempting OpenCode API...');
-      const response = await fetch(`${OPENCODE_BASE_URL}/chat/completions`, {
-        method: 'POST',
-        headers: {
-          'Authorization': `Bearer ${OPENCODE_API_KEY}`,
-          'Content-Type': 'application/json'
-        },
-        body: JSON.stringify({
-          model: options.model || 'gpt-4',
-          messages: [{ role: 'user', content: prompt }],
-          temperature: options.temperature || 0.7,
-          max_tokens: options.maxTokens || 2048
-        })
-      });
-      
-      if (response.ok) {
-        const data = await response.json();
-        console.log('✅ OpenCode API success');
-        return { success: true, provider: 'opencode', data };
-      }
-      
-      console.warn(`OpenCode error: ${response.status}, trying next fallback...`);
-    } catch (err) {
-      console.warn(`OpenCode failed: ${err.message}`);
-    }
-  }
-  
-  // Tier 3: Fallback to OpenRouter
   if (OPENROUTER_API_KEY) {
     try {
-      console.log('📍 Tier 3: Attempting OpenRouter API...');
+      console.log('📍 Tier 2: Attempting OpenRouter API...');
       const response = await fetch(`${OPENROUTER_BASE_URL}/chat/completions`, {
         method: 'POST',
         headers: {
@@ -101,20 +71,50 @@ async function generateWithFallback(prompt, options = {}) {
         return { success: true, provider: 'openrouter', data };
       }
       
-      throw new Error(`OpenRouter error: ${response.status}`);
+      console.warn(`OpenRouter error: ${response.status}, trying next fallback...`);
     } catch (err) {
-      console.error(`OpenRouter failed: ${err.message}`);
+      console.warn(`OpenRouter failed: ${err.message}`);
     }
   }
   
-  throw new Error('All generation APIs failed (Gemini → OpenCode → OpenRouter)');
+  // Tier 3: Fallback to OpenCode (sista försöket)
+  if (OPENCODE_API_KEY) {
+    try {
+      console.log('📍 Tier 3: Attempting OpenCode API...');
+      const response = await fetch(`${OPENCODE_BASE_URL}/chat/completions`, {
+        method: 'POST',
+        headers: {
+          'Authorization': `Bearer ${OPENCODE_API_KEY}`,
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+          model: options.model || 'gpt-4',
+          messages: [{ role: 'user', content: prompt }],
+          temperature: options.temperature || 0.7,
+          max_tokens: options.maxTokens || 2048
+        })
+      });
+      
+      if (response.ok) {
+        const data = await response.json();
+        console.log('✅ OpenCode API success');
+        return { success: true, provider: 'opencode', data };
+      }
+      
+      throw new Error(`OpenCode error: ${response.status}`);
+    } catch (err) {
+      console.error(`OpenCode failed: ${err.message}`);
+    }
+  }
+  
+  throw new Error('All generation APIs failed (Gemini → OpenRouter → OpenCode)');
 }
 
 module.exports = {
   generateWithFallback,
   getAvailableProviders: () => ({
     gemini: !!GEMINI_API_KEY,
-    opencode: !!OPENCODE_API_KEY,
+    openrouter: !!OPENROUTER_API_KEY,
-    openrouter: !!OPENROUTER_API_KEY
+    opencode: !!OPENCODE_API_KEY
   })
 };