first commit

README.md

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+# VFN DnD AI Rule Helper
+
+Ein einfacher ChatGPT Wrapper geschrieben in Go

config.json

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+{
+    "instructions": "You are a helpful AI assistant for Tabletop Roleplaying rules. Do not be creative. you can combine information to draw conclusions but never make up information iif you are unsure. If you are unsure provide links or extracts from relevant sources.",
+    "ruleset": "DnD 3.5",
+    "model": "gpt-3.5-turbo",
+    "apiKey": ""
+}
+  

go.mod

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+module openai-client
+
+go 1.23.5

main.go

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+package main
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+)
+
+type OpenAIRequest struct {
+	Model    string    `json:"model"`
+	Messages []Message `json:"messages"`
+}
+
+type Message struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+type OpenAIResponse struct {
+	Choices []struct {
+		Message Message `json:"message"`
+	} `json:"choices"`
+}
+
+type Config struct {
+	Instructions string `json:"instructions"`
+	Model        string `json:"model"`
+	Ruleset      string `json:"ruleset"`
+	configApiKey string `json:"apiKey"`
+}
+
+func loadConfig(filename string) (Config, error) {
+	var config Config
+	file, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return config, err
+	}
+	err = json.Unmarshal(file, &config)
+	return config, err
+}
+
+func main() {
+	apiKey := os.Getenv("OPENAI_API_KEY")
+
+	config, err := loadConfig("config.json")
+	if err != nil {
+		fmt.Println("Error loading config file:", err)
+		return
+	}
+
+	if apiKey == "" {
+		apiKey = config.configApiKey
+	}
+	if apiKey == "" {
+		fmt.Println("Error: Neither config api Variable nor OPENAI_API_KEY environment variable is set.")
+		return
+	}
+
+	scanner := bufio.NewScanner(os.Stdin)
+	messages := []Message{{Role: "system", Content: config.Instructions + " Only include information relevant for " + config.Ruleset + ". Do not include information from other rulesets."}}
+
+	for {
+		fmt.Print("Enter your prompt (or type 'exit' to quit): ")
+		scanner.Scan()
+		prompt := scanner.Text()
+
+		if prompt == "exit" {
+			fmt.Println("Goodbye!")
+			break
+		}
+
+		messages = append(messages, Message{Role: "user", Content: prompt})
+
+		requestBody, err := json.Marshal(OpenAIRequest{
+			Model:    config.Model,
+			Messages: messages,
+		})
+		if err != nil {
+			fmt.Println("Error creating JSON request:", err)
+			continue
+		}
+
+		req, err := http.NewRequest("POST", "https://api.openai.com/v1/chat/completions", bytes.NewBuffer(requestBody))
+		if err != nil {
+			fmt.Println("Error creating request:", err)
+			continue
+		}
+		req.Header.Set("Content-Type", "application/json")
+		req.Header.Set("Authorization", "Bearer "+apiKey)
+
+		client := &http.Client{}
+		resp, err := client.Do(req)
+		if err != nil {
+			fmt.Println("Error making request:", err)
+			continue
+		}
+		defer resp.Body.Close()
+
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			fmt.Println("Error reading response:", err)
+			continue
+		}
+
+		var openAIResp OpenAIResponse
+		if err := json.Unmarshal(body, &openAIResp); err != nil {
+			fmt.Println("Error parsing JSON response:", err)
+			continue
+		}
+
+		if len(openAIResp.Choices) > 0 {
+			responseMessage := openAIResp.Choices[0].Message
+			fmt.Println("AI Response:", responseMessage.Content)
+			messages = append(messages, responseMessage)
+		} else {
+			fmt.Println("No response from AI.")
+		}
+	}
+}