From c30a9f3f3edbb623175adddabdee1177ef81b240 Mon Sep 17 00:00:00 2001
From: Elias Kohout <elias@kohout.de>
Date: Sat, 14 Feb 2026 20:00:19 +0100
Subject: [PATCH] change ai provider from openai to openrouter

---
 Dockerfile                  |  2 +-
 src/internal/util/openai.go | 21 +++------------------
 2 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 5e73f5a..e557d66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # --- Stage 1: Build the Go application ---
-FROM golang:1.23 AS builder
+FROM golang:1.24 AS builder
 
 ENV CGO_ENABLED=0
 ENV GOOS=linux
diff --git a/src/internal/util/openai.go b/src/internal/util/openai.go
index 02603a6..33ec713 100644
--- a/src/internal/util/openai.go
+++ b/src/internal/util/openai.go
@@ -7,8 +7,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-
-	"github.com/pkoukk/tiktoken-go"
 )
 
 type response struct {
@@ -24,14 +22,14 @@ type OpenAi struct {
 }
 
 func (oai *OpenAi) Summarize(text string) (string, error) {
-	apiURL := "https://api.openai.com/v1/chat/completions"
+	apiURL := "https://openrouter.ai/api/v1/chat/completions"
 
 	// Request payload
 	payload := map[string]interface{}{
-		"model": "gpt-4o-mini",
+		"model": "google/gemini-2.5-flash-lite",
 		"messages": []map[string]string{
 			{
-				"role":    "developer",
+				"role":    "system",
 				"content": "Fasse den folgenden Zeitungsartikel in maximal 75 Wörtern zusammen. Konzentriere dich auf die wichtigsten Informationen, wie das Hauptthema, die zentralen Aussagen und relevante Hintergründe. Gib **außschließlich** die Zusammenfassung zurück.",
 			},
 			{
@@ -88,16 +86,3 @@ func (oai *OpenAi) Summarize(text string) (string, error) {
 
 	return content, nil
 }
-
-func (oai *OpenAi) CountTokens(text string) int {
-	tkm, err := tiktoken.GetEncoding("o200k_base")
-	if err != nil {
-		err = fmt.Errorf("getEncoding: %v", err)
-		return -1
-	}
-
-	// encode
-	token := tkm.Encode(text, nil, nil)
-
-	return len(token)
-}