initial rebuild

internal/config/config.go

@@ -0,0 +1,109 @@
+package config
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/joho/godotenv"
+	"github.com/spf13/viper"
+)
+
+var File = "config.yaml"
+var fileKeys = map[string]bool{}
+
+func Load() {
+	_ = godotenv.Load()
+
+	viper.SetDefault("bind_address", "127.0.0.1")
+	viper.SetDefault("bind_port", "8080")
+	viper.SetDefault("database.dsn", "postgres://user:pass@localhost:5432/db?sslmode=disable")
+
+	viper.SetDefault("ui.dev", false)
+
+	viper.SetDefault("authentication.secret", GenerateSecureSecret())
+
+	viper.SetDefault("smtp.enabled", false)
+	viper.SetDefault("smtp.host", "smtp.example.com")
+	viper.SetDefault("smtp.port", 587)
+	viper.SetDefault("smtp.username", "")
+	viper.SetDefault("smtp.password", "")
+	viper.SetDefault("smtp.from", "no-reply@example.com")
+
+	viper.SetDefault("frontend.base_url", "http://localhost:5173")
+
+	viper.SetEnvPrefix("AUTOGLUE")
+
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	viper.SetConfigFile(File)
+	viper.SetConfigType("yaml")
+
+	if _, err := os.Stat(File); err == nil {
+		err := viper.ReadInConfig()
+		if err != nil {
+			log.Fatalf("Failed to read config file: %v", err)
+		}
+		for _, k := range viper.AllKeys() {
+			fileKeys[k] = true
+		}
+		fmt.Println("Loaded config from", File)
+	}
+}
+
+func GenerateSecureSecret() string {
+	b := make([]byte, 32)
+	_, err := rand.Read(b)
+	if err != nil {
+		panic("unable to generate secure secret")
+	}
+	return base64.URLEncoding.EncodeToString(b)
+}
+
+func GetAuthSecret() string {
+	return viper.GetString("authentication.secret")
+}
+
+func DebugPrintConfig() {
+	all := viper.AllSettings()
+	fmt.Println("Loaded configuration:")
+	for k, v := range all {
+		fmt.Printf("%s: %#v\n", k, v)
+	}
+}
+
+func IsUIDev() bool {
+	return viper.GetBool("ui.dev")
+}
+
+func SMTPEnabled() bool {
+	return viper.GetBool("smtp.enabled")
+}
+
+func SMTPHost() string {
+	return viper.GetString("smtp.host")
+}
+
+func SMTPPort() int {
+	return viper.GetInt("smtp.port")
+}
+
+func SMTPUsername() string {
+	return viper.GetString("smtp.username")
+}
+
+func SMTPPassword() string {
+	return viper.GetString("smtp.password")
+}
+
+func SMTPFrom() string {
+	return viper.GetString("smtp.from")
+}
+
+func FrontendBaseURL() string {
+	return viper.GetString("frontend.base_url")
+}