From b8779ba8dd0040ff20600504cdd6ea00463653bb Mon Sep 17 00:00:00 2001
From: PhatPhuckDave <david.majdandzic@hotmail.com>
Date: Sat, 7 Sep 2024 16:38:15 +0200
Subject: [PATCH] Add env loading

---
 .gitignore |  1 +
 go.mod     |  2 ++
 go.sum     |  2 ++
 main.go    | 35 ++++++++++++++++++++++++++++++++++-
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 go.sum

diff --git a/.gitignore b/.gitignore
index ce935dc..3d5992b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 steamcmd
+.env
diff --git a/go.mod b/go.mod
index 5c09fd1..730a4c0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module steamcmd-api
 
 go 1.23.0
+
+require github.com/joho/godotenv v1.5.1
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..d61b19e
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
diff --git a/main.go b/main.go
index 08f9b04..570098a 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,8 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+
+	"github.com/joho/godotenv"
 )
 
 var Error *log.Logger
@@ -25,6 +27,11 @@ func init() {
 		log.Lmicroseconds|log.Lshortfile)
 }
 
+const (
+	steamcmdEnvKey = "STEAMCMD"
+	appEnvKey      = "APP"
+)
+
 func main() {
 	envfile := flag.String("envfile", ".env", "")
 	flag.Parse()
@@ -34,7 +41,22 @@ func main() {
 		Error.Printf("Error leading env file: %v", err)
 		return
 	}
-	log.Printf("%#v", env)
+
+	steamcmdexe, ok := env[steamcmdEnvKey]
+	if !ok {
+		Error.Printf("SteamCMD not found in env, please specify %s", steamcmdEnvKey)
+		return
+	}
+
+	app, ok := env[appEnvKey]
+	if !ok {
+		Error.Printf("App not found in env, please specify %s", appEnvKey)
+		return
+	}
+
+	args := flag.Args()
+	log.Printf("Using steamcmd at %s", steamcmdexe)
+	log.Printf("Downloading %d items for %s", len(args), app)
 }
 
 func loadEnv(fpath string) (map[string]string, error) {
@@ -43,5 +65,16 @@ func loadEnv(fpath string) (map[string]string, error) {
 	fpath = filepath.Clean(fpath)
 	log.Printf("Trying to open env file at %s", fpath)
 
+	file, err := os.Open(fpath)
+	if err != nil {
+		return res, fmt.Errorf("error opening env file: %w", err)
+	}
+	defer file.Close()
+
+	res, err = godotenv.Parse(file)
+	if err != nil {
+		return res, fmt.Errorf("error parsing env file: %w", err)
+	}
+
 	return res, nil
 }