From 270eb56ac8d32ba355a3dd4f9639bdb7f515c3f4 Mon Sep 17 00:00:00 2001
From: "Christoph K." <christoh@kroczek.eu>
Date: Wed, 25 Feb 2026 07:15:33 +0100
Subject: [PATCH] init

---
 ralphchat.go | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 ralphchat.go

diff --git a/ralphchat.go b/ralphchat.go
new file mode 100644
index 0000000..b01984b
--- /dev/null
+++ b/ralphchat.go
@@ -0,0 +1,114 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/openai/openai-go"
+	oaioption "github.com/openai/openai-go/option"
+)
+
+const (
+	baseURL = "http://127.0.0.1:12434/v1"
+)
+
+func selectModel(client *openai.Client) string {
+	// Verfügbare Modelle über die API abrufen
+	modelsPage, err := client.Models.List(context.Background())
+	if err != nil {
+		log.Fatalf("Fehler beim Abrufen der Modelle: %v", err)
+	}
+
+	models := modelsPage.Data
+	if len(models) == 0 {
+		log.Fatal("Keine Modelle verfügbar!")
+	}
+
+	fmt.Println("\n📦 Verfügbare Modelle:")
+	fmt.Println(strings.Repeat("─", 50))
+	for i, m := range models {
+		fmt.Printf("  [%d] %s\n", i+1, m.ID)
+	}
+	fmt.Println(strings.Repeat("─", 50))
+
+	scanner := bufio.NewScanner(os.Stdin)
+
+	for {
+		fmt.Printf("Wähle ein Modell (1-%d): ", len(models))
+		if !scanner.Scan() {
+			log.Fatal("Eingabe fehlgeschlagen")
+		}
+
+		input := strings.TrimSpace(scanner.Text())
+		choice, err := strconv.Atoi(input)
+		if err != nil || choice < 1 || choice > len(models) {
+			fmt.Printf("❌ Ungültige Eingabe. Bitte eine Zahl zwischen 1 und %d eingeben.\n", len(models))
+			continue
+		}
+
+		selected := models[choice-1].ID
+		fmt.Printf("✅ Modell gewählt: %s\n", selected)
+		return selected
+	}
+}
+
+func main() {
+	client := openai.NewClient(
+		oaioption.WithBaseURL(baseURL),
+		oaioption.WithAPIKey("ollama"),
+	)
+
+	fmt.Println("🤖 LLM Chat")
+	model := selectModel(&client)
+
+	// Chat-History für Konversationsgedächtnis
+	messages := []openai.ChatCompletionMessageParamUnion{
+		openai.SystemMessage("You are a helpful golang coding assistant. Answer concisely. If you don't know the answer, say you don't know."),
+	}
+
+	scanner := bufio.NewScanner(os.Stdin)
+
+	fmt.Printf("\n🚀 Chat gestartet mit Modell: %s\n", model)
+	fmt.Println("Tippe deine Nachricht und drücke Enter. Mit 'exit' beenden.")
+	fmt.Println(strings.Repeat("─", 50))
+
+	for {
+		fmt.Print("\nDu: ")
+		if !scanner.Scan() {
+			break
+		}
+
+		input := strings.TrimSpace(scanner.Text())
+		if input == "" {
+			continue
+		}
+		if input == "exit" || input == "quit" {
+			fmt.Println("Tschüss!")
+			break
+		}
+
+		messages = append(messages, openai.UserMessage(input))
+
+		resp, err := client.Chat.Completions.New(
+			context.Background(),
+			openai.ChatCompletionNewParams{
+				Model:    model,
+				Messages: messages,
+			},
+		)
+		if err != nil {
+			log.Printf("Fehler bei API-Aufruf: %v\n", err)
+			continue
+		}
+
+		assistantMsg := resp.Choices[0].Message.Content
+		messages = append(messages, openai.AssistantMessage(assistantMsg))
+
+		fmt.Printf("\n🤖 Assistent:\n %s\n", assistantMsg)
+	}
+}