Base project

config/config.go

@@ -0,0 +1,50 @@
+package config
+
+import (
+	"os"
+
+	"github.com/joho/godotenv"
+	"go.uber.org/zap"
+)
+
+type Config struct {
+	URI      string
+	Username string
+	Password string
+	Topics   []string
+}
+
+func NewConfig(logger *zap.Logger) *Config {
+	err := godotenv.Load()
+	if err != nil {
+		logger.Warn("Error loading .env file, using environment variables")
+	}
+
+	uri := os.Getenv("MQTT_URI")
+	if uri == "" {
+		logger.Fatal("MQTT_URI is not set")
+	}
+
+	username := os.Getenv("MQTT_USERNAME")
+	if username == "" {
+		logger.Warn("MQTT_USERNAME is not set")
+	}
+
+	password := os.Getenv("MQTT_PASSWORD")
+	if password == "" {
+		logger.Warn("MQTT_PASSWORD is not set")
+	}
+
+	topics := os.Getenv("MQTT_TOPICS")
+	if topics == "" {
+		logger.Warn("MQTT_TOPICS is not set, defaulting to #")
+		topics = "#"
+	}
+
+	return &Config{
+		URI:      uri,
+		Username: username,
+		Password: password,
+		Topics:   []string{topics},
+	}
+}