first commit

config/config.go

@@ -0,0 +1,91 @@
+package config
+
+import (
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	Port               string
+	DBUrl              string
+	JWTSecret          string
+	AppURL             string // e.g. https://api.example.com - used for verification links in emails
+	GoogleClientID     string
+	GoogleClientSecret string
+	GithubClientID     string
+	GithubClientSecret string
+	ClientCallbackURL  string
+	RedisUrl           string
+
+	// Avatar Settings
+	AvatarHeight  int
+	AvatarWidth   int
+	AvatarQuality int
+	AvatarFormat  string
+	AvatarMode    string // cover, contain, resize
+
+	// Email Settings
+	EmailHost         string
+	EmailPort         string
+	EmailHostUser     string
+	EmailHostPassword string
+	EmailFrom         string
+}
+
+var AppConfig *Config
+
+func LoadConfig() {
+	err := godotenv.Load()
+	if err != nil {
+		log.Println("Warning: Error loading .env file, continuing with system env")
+	}
+
+	AppConfig = &Config{
+		Port:               getEnv("PORT", "8080"),
+		DBUrl:              getEnv("DB_URL", ""),
+		JWTSecret:          getEnv("JWT_SECRET", "default_secret"),
+		AppURL:             getEnv("APP_URL", "http://localhost:8080"),
+		GoogleClientID:     getEnv("GOOGLE_CLIENT_ID", ""),
+		GoogleClientSecret: getEnv("GOOGLE_CLIENT_SECRET", ""),
+		GithubClientID:     getEnv("GITHUB_CLIENT_ID", ""),
+		GithubClientSecret: getEnv("GITHUB_CLIENT_SECRET", ""),
+		ClientCallbackURL:  getEnv("CLIENT_CALLBACK_URL", ""),
+		RedisUrl:           getEnv("REDIS_URL", ""),
+
+		// Avatar Defaults
+		AvatarHeight:  getEnvAsInt("AVATAR_H", 0),    // Default 0 (auto)
+		AvatarWidth:   getEnvAsInt("AVATAR_W", 800),  // Default 800
+		AvatarQuality: getEnvAsInt("AVATAR_Q", 80),   // Default 80
+		AvatarFormat:  getEnv("AVATAR_F", "webp"),    // Default webp
+		AvatarMode:    getEnv("AVATAR_B", "contain"), // Default contain (Fit)
+
+		// Email Settings
+		EmailHost:         getEnv("EMAIL_HOST", "localhost"),
+		EmailPort:         getEnv("EMAIL_PORT", "1025"),
+		EmailHostUser:     getEnv("EMAIL_HOST_USER", ""),
+		EmailHostPassword: getEnv("EMAIL_HOST_PASSWORD", ""),
+		EmailFrom:         getEnv("EMAIL_FROM", "noreply@gauth.local"),
+	}
+}
+
+func getEnv(key, fallback string) string {
+	if value, exists := os.LookupEnv(key); exists {
+		return value
+	}
+	return fallback
+}
+
+func getEnvAsInt(key string, fallback int) int {
+	valueStr := getEnv(key, "")
+	if valueStr == "" {
+		return fallback
+	}
+	value, err := strconv.Atoi(valueStr)
+	if err != nil {
+		return fallback
+	}
+	return value
+}