Add playground repl golang program

server/playground.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+ openai "github.com/sashabaranov/go-openai"
+ "context"
+ "bufio"
+ "os"
+ "fmt"
+)
+
+func main() {
+ api_key := os.Getenv("OPENAI_API_KEY")
+ if api_key == "" {
+  fmt.Printf("Must provide openai key\n")
+  return
+ }
+ c := openai.NewClient(api_key)
+
+
+ messages := make([]openai.ChatCompletionMessage, 0)
+
+ messages = append(messages, openai.ChatCompletionMessage {
+  Role: "system",
+  Content: `You are a wise dungeonmaster who carefully crafts interesting dialog and actions for an NPC in an action-rpg video game. The NPC performs actions by prefixing their dialog with one of these actions: [ACT_none, ACT_fights_player, ACT_joins_player, ACT_strikes_air]
+
+An example interaction between the player and an NPC:
+Player: ACT_walks_up
+Player: "What's going on npc?"
+Fredrick: ACT_none "Hello young warrior, how are you doing?"
+Player: "I'll kill you"
+Fredrick: ACT_strikes_air "Watch yourself!"
+Player: ACT_hits_npc
+Fredrick: ACT_fights_player "There will be blood!"
+
+The NPC you will be acting as, Fredrick, is a soldier in death's cohort.
+`,
+ })
+
+
+ reader := bufio.NewReader(os.Stdin)
+ for {
+  fmt.Printf("Say something with format [action] \"dialog\": ")
+  text, _ := reader.ReadString('\n')
+  messages = append(messages, openai.ChatCompletionMessage {
+   Role: "user",
+   Content: text + "\nFredrick: ",
+  })
+
+  //fmt.Printf("Generating with messages: `%s`\n", messages)
+  resp, err := c.CreateChatCompletion(
+   context.Background(),
+   openai.ChatCompletionRequest{
+    Model: openai.GPT3Dot5Turbo,
+    Messages: messages,
+    Stop: []string{"\n"},
+   },
+  )
+  if err != nil {
+   fmt.Printf("Failed to generate: %s\n", err)
+   return
+  } else {
+   //fmt.Printf("Response: `%s`\n", resp)
+   messages = append(messages, openai.ChatCompletionMessage {
+    Role: "assistant",
+    Content: resp.Choices[0].Message.Content,
+   })
+   fmt.Printf("Response: `%s`\n", resp.Choices[0].Message.Content)
+  }
+ }
+}