fixed style issues in README.md and main.go

.gitignore

@@ -13,5 +13,3 @@
 *.out
 
 # Custom Blacklist
-
-#CM

README.md

@@ -1,16 +1,20 @@
-# tsviewer **[ALPHA 1.0.1]**
+# tsviewer **[WIP]**
 
 A TS3 Viewer with REST API.
-## DOCKER-Config
+
+## Config
+
+### Docker-Config
 
 ```bash
 docker build -t name/cont:ver .
 
 docker run -e TS3_IP="<SERVER-IP>" -e TS3_PW="<SERVER-ADMIN_PW>" -e WEB_PORT="8080" -d -p 8080:8080 name/cont:ver
 ```
-ENV:
-```Docker
 
+ENV:
+
+```Docker
 ENV TS3_IP=127.0.0.1
 ENV TS3_NAME=serveradmin
 ENV TS3_PW=<changeMe>
@@ -18,15 +22,12 @@ ENV TS3_PORT=9987
 ENV TS3_QUERY=10011
 ENV WEB_PORT=8080
 ENV BLACKLIST_USER=USER
-
-
 ```
 
-# Features
-
-## Config
+### API-Config
 
 The config file is generated automatically on first startup.
+
 ```json
 {
     "user": {
@@ -45,17 +46,20 @@ The config file is generated automatically on first startup.
 }
 ```
 
-## URL-Parameter
+## Features
+
+### URL-Parameter
 
 | Name       | Type   | Description              |
 | ---------- | ------ | ------------------------ |
 | `pretty`   | `bool` | pretty-prints JSON       |
 | `envelope` | `bool` | wraps JSON in data array |
 
-## Channels
+### Channels
 
 - **`GET`** `/v1/channels/:id`
 - **`GET`** `/v1/channels`
+
 ```json
 {
     "databaseId": 1,
@@ -67,10 +71,11 @@ The config file is generated automatically on first startup.
 }
 ```
 
-## Clients
+### Clients
 
 - **`GET`** `/v1/clients/:id`
 - **`GET`** `/v1/clients/`
+
 ```json
 {
     "id": 1,
@@ -83,9 +88,10 @@ The config file is generated automatically on first startup.
 }
 ```
 
-## Server
+### Server
 
 - **`GET`** `/v1/server/info`
+
 ```json
 {
     "name": "TeamSpeak ]I[ Server",

config/config.go

@@ -1,84 +1,161 @@
 package config
 
 import (
+	"encoding/json"
+	"flag"
+	"io/ioutil"
+	"log"
 	"os"
 	"strconv"
-
-	"github.com/spf13/viper"
 )
 
 type Config struct {
-	User struct {
-		Nickname string
-		Name     string
-		Password string
-	}
-	ServerTS struct {
-		IP         string
-		PortServer uint16
-		PortQuery  uint16
-	}
-	ServerWeb struct {
-		Port uint16
-	}
+	User      User      `json:"user"`
+	ServerTS  ServerTS  `json:"serverTS"`
+	ServerWeb ServerWeb `json:"serverWeb"`
+}
+
+type User struct {
+	Nickname string `json:"nickname"`
+	Name     string `json:"name"`
+	Password string `json:"password"`
+}
+
+type ServerTS struct {
+	IP         string `json:"ip"`
+	PortServer uint16 `json:"portServer"`
+	PortQuery  uint16 `json:"portQuery"`
+}
+
+type ServerWeb struct {
+	Port uint16 `json:"port"`
 }
 
 const FileName = "config.json"
 
 func New() (*Config, error) {
-	viper.SetConfigName("config")
-	viper.SetConfigFile("yaml")
-	viper.AddConfigPath(".")
-	if err := viper.ReadInConfig(); err != nil {
+	config := defaults()
+
+	configFile, err := os.Open(FileName)
+	if err != nil {
+		if err := config.createFile(); err != nil {
 			return nil, err
 		}
 
-	setDefaults()
+		log.Println(config)
+		return &config, nil
+	}
+	defer configFile.Close()
 
-	var config Config
-	err := viper.Unmarshal(&config)
+	jsonParser := json.NewDecoder(configFile)
+	jsonParser.Decode(&config)
 
-	config.overrideWithEnvironmentVars()
+	config.overrideWithEnv()
+	config.overrideWithFlags()
 
-	return &config, err
+	return &config, nil
 }
 
-func setDefaults() {
-	viper.SetDefault("User.Nickname", "serveradmin")
-	viper.SetDefault("User.Name", "serveradmin")
-	viper.SetDefault("User.Password", "<changeMe>")
-	viper.SetDefault("ServerTS.IP", "127.0.0.1")
-	viper.SetDefault("ServerTS.PortServer", "9987")
-	viper.SetDefault("ServerTS.PortQuery", "10011")
-	viper.SetDefault("ServerWeb.Port", "80")
+func (config Config) createFile() error {
+	configJSON, err := json.MarshalIndent(config, "", "    ")
+	if err != nil {
+		return err
+	}
+
+	return ioutil.WriteFile(FileName, configJSON, 0644)
 }
 
-func (config *Config) overrideWithEnvironmentVars() {
-	if nickname := os.Getenv("TS3_NICKNAME"); nickname != "" {
+func defaults() Config {
+	return Config{
+		User: User{
+			Nickname: "serveradmin",
+			Name:     "serveradmin",
+			Password: "",
+		},
+		ServerTS: ServerTS{
+			IP:         "127.0.0.1",
+			PortServer: 9987,
+			PortQuery:  10011,
+		},
+		ServerWeb: ServerWeb{
+			Port: 80,
+		},
+	}
+}
+
+func (config *Config) overrideWithEnv() {
+	nickname := os.Getenv("TS3_NICKNAME")
+	username := os.Getenv("TS3_NAME")
+	password := os.Getenv("TS3_PW")
+	tsIP := os.Getenv("TS3_IP")
+	tsPort, _ := strconv.Atoi(os.Getenv("TS3_PORT"))
+	tsQuery, _ := strconv.Atoi(os.Getenv("TS3_QUERY"))
+	webPort, _ := strconv.Atoi(os.Getenv("WEB_PORT"))
+
+	if nickname != "" {
 		config.User.Nickname = nickname
 	}
 
-	if username := os.Getenv("TS3_NAME"); username != "" {
+	if username != "" {
 		config.User.Name = username
 	}
 
-	if password := os.Getenv("TS3_PW"); password != "" {
+	if password != "" {
 		config.User.Password = password
 	}
 
-	if tsIP := os.Getenv("TS3_IP"); tsIP != "" {
+	if tsIP != "" {
 		config.ServerTS.IP = tsIP
 	}
 
-	if tsPort, err := strconv.Atoi(os.Getenv("TS3_PORT")); tsPort <= 65535 && tsPort >= 0 && err == nil {
+	if tsPort <= 65535 && tsPort != 0 {
 		config.ServerTS.PortServer = uint16(tsPort)
 	}
 
-	if tsQuery, err := strconv.Atoi(os.Getenv("TS3_QUERY")); tsQuery <= 65535 && tsQuery >= 0 && err == nil {
+	if tsQuery <= 65535 && tsQuery != 0 {
 		config.ServerTS.PortQuery = uint16(tsQuery)
 	}
 
-	if webPort, err := strconv.Atoi(os.Getenv("WEB_PORT")); webPort <= 65535 && webPort >= 0 && err == nil {
+	if webPort <= 65535 && webPort != 0 {
 		config.ServerWeb.Port = uint16(webPort)
 	}
 }
+
+func (config *Config) overrideWithFlags() {
+	nickname := flag.String("ts3_nickname", "", "TS3Query nickname")
+	username := flag.String("ts3_name", "", "TS3Query username")
+	password := flag.String("ts3_pw", "", "TS3Query user password")
+	tsIP := flag.String("ts3_ip", "", "TS3 IP address")
+	tsPort := flag.Uint64("ts3_port", 65536, "TS3 port")
+	tsQuery := flag.Uint64("ts3_query", 65536, "TS3 query port")
+	webPort := flag.Uint64("web_port", 65536, "Webserver port")
+	flag.Parse()
+
+	if *nickname != "" {
+		config.User.Nickname = *nickname
+	}
+
+	if *username != "" {
+		config.User.Name = *username
+	}
+
+	if *password != "" {
+		config.User.Password = *password
+	}
+
+	if *tsIP != "" {
+		config.ServerTS.IP = *tsIP
+	}
+
+	if *tsPort <= 65535 && *tsPort != 0 {
+		config.ServerTS.PortServer = uint16(*tsPort)
+	}
+
+	if *tsQuery <= 65535 && *tsQuery != 0 {
+		config.ServerTS.PortQuery = uint16(*tsQuery)
+	}
+
+	if *webPort <= 65535 && *webPort != 0 {
+		config.ServerWeb.Port = uint16(*webPort)
+	}
+}

main.go

@@ -19,6 +19,7 @@ import (
 	"github.com/go-chi/cors"
 )
 
+// Routes includes middleware and distributes request to different Routers
 func Routes(s service.Service, t template.Template) *chi.Mux {
 	router := chi.NewRouter()
 	cors := cors.New(cors.Options{