From 0b2f83cd35bbc73fcedd5944277297c351a835db Mon Sep 17 00:00:00 2001
From: Sebastian Mark <smark@posteo.net>
Date: Sun, 20 Oct 2024 14:55:02 +0200
Subject: [PATCH] feat: add CLI flags to app
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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- implement command-line flags for listen address and port
- add usage section to README

🤖
---
 README.md            |  4 ++++
 cmd/server/main.go   | 16 +++++++++++-----
 pkg/models/config.go |  4 ++--
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 2769187..0362d80 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,10 @@ A pomodoro server written in Go
 
 `go install git.smsvc.net/pomodoro/GoTomato@latest`
 
+## Usage
+
+See `GoTomato --help` for Parameters
+
 ## Testing
 
 ```
diff --git a/cmd/server/main.go b/cmd/server/main.go
index 3d1c9f8..2105b39 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -1,6 +1,7 @@
 package server
 
 import (
+	"flag"
 	"fmt"
 	"git.smsvc.net/pomodoro/GoTomato/internal/websocket"
 	"git.smsvc.net/pomodoro/GoTomato/pkg/models"
@@ -8,12 +9,17 @@ import (
 	"net/http"
 )
 
-var serverConfig = models.GoTomatoServerConfig{
-	ListenAddress: "0.0.0.0",
-	ListenPort:    8080,
-}
-
 func Start() {
+	// Define CLI flags for ListenAddress and ListenPort
+	listenAddress := flag.String("listenAddress", "0.0.0.0", "IP address to listen on")
+	listenPort := flag.Int("listenPort", 8080, "Port to listen on")
+	flag.Parse()
+
+	serverConfig := models.GoTomatoServerConfig{
+		ListenAddress: *listenAddress,
+		ListenPort:    *listenPort,
+	}
+
 	listen := fmt.Sprintf("%s:%d", serverConfig.ListenAddress, serverConfig.ListenPort)
 
 	http.HandleFunc("/ws", websocket.HandleConnections)
diff --git a/pkg/models/config.go b/pkg/models/config.go
index 628e685..33a79d4 100644
--- a/pkg/models/config.go
+++ b/pkg/models/config.go
@@ -8,6 +8,6 @@ type GoTomatoTimerConfig struct {
 }
 
 type GoTomatoServerConfig struct {
-	ListenAddress string `json:"listenAddress"`
-	ListenPort    int    `json:"listenPort"`
+	ListenAddress string `json:"listenAddress, default:"0.0.0.0"`
+	ListenPort    int    `json:"listenPort, default:8080"`
 }