feat: load config from file

config/config.go

@@ -1,16 +1,49 @@
 package config
 
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
 type Config struct {
-	NetInterface string
-	Htdocs       string
-	Profile      bool
+	NetInterface string `json:"net_interface"`
+	Htdocs       string `json:"htdocs"`
+	Profile      bool   `json:"profile"`
 }
 
+var static_config *Config = nil
+
 func GetConfig() *Config {
-	//TODO: Load config from file
-	return &Config{
-		NetInterface: "127.0.0.1:80",
-		Htdocs:       "./htdocs",
-		Profile:      false,
+	if static_config != nil {
+		return static_config
 	}
+
+	file, err := os.Open("config.json")
+	if err != nil {
+		fmt.Println("No config file found")
+		return &Config{
+			NetInterface: "127.0.0.1:80",
+			Htdocs:       "./htdocs",
+			Profile:      false,
+		}
+	}
+	defer file.Close()
+
+	var config Config
+	err = json.NewDecoder(file).Decode(&config)
+	if err != nil {
+		fmt.Println("Error decoding config file:", err)
+		return &Config{
+			NetInterface: "127.0.0.1:80",
+			Htdocs:       "./htdocs",
+			Profile:      false,
+		}
+	}
+	static_config = &config
+	return &config
+}
+
+func ResetConfig() {
+	static_config = nil
 }