add more debug stuffs.

main.go

@@ -2,7 +2,9 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"log"
+	"net/http"
 	"os"
 	"os/signal"
 	"strings"
@@ -31,6 +33,23 @@ func main() {
 		os.Exit(1)
 	}
 
+	if conf.Debug.Enabled {
+		mux := http.NewServeMux()
+
+		mux.HandleFunc("/state", func(w http.ResponseWriter, r *http.Request) {
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(200)
+			_ = json.NewEncoder(w).Encode(bot.ClientState())
+		})
+
+		go func() {
+			err := http.ListenAndServe(conf.Debug.Listen, mux)
+			if err != nil {
+				log.Println("Failed to setup debug listener", err)
+			}
+		}()
+	}
+
 	// Listen for a quit signal.
 	interrupt := make(chan os.Signal, 1)
 	signal.Notify(interrupt, os.Interrupt)