1 files changed, 56 insertions, 0 deletions
diff --git a/internal/config.go b/internal/config.go
new file mode 100644
index 0000000..8d9d961
--- /dev/null
+++ b/internal/config.go
@@ -0,0 +1,56 @@
+package internal
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type ServerConfig struct {
+	Host  string `yaml:"host"`
+	Port  string `yaml:"port"`
+	Title string `yaml:"title"`
+}
+
+type Config struct {
+	Server ServerConfig `yaml:"server"`
+}
+
+// Default configuration values
+func DefaultConfig() *Config {
+	config := &Config{}
+	config.Server.Host = "0.0.0.0"
+	config.Server.Port = "8080"
+	config.Server.Title = "WireGuard Gateway Portal"
+	return config
+}
+
+// LoadConfig loads configuration from file, falls back to defaults if file doesn't exist
+func LoadConfig(configPath string) (*Config, error) {
+	config := DefaultConfig()
+
+	// Check if config file exists
+	if _, err := os.Stat(configPath); os.IsNotExist(err) {
+		// Config file doesn't exist, use defaults
+		return config, nil
+	}
+
+	// Read config file
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read config file: %w", err)
+	}
+
+	// Parse YAML
+	if err := yaml.Unmarshal(data, config); err != nil {
+		return nil, fmt.Errorf("failed to parse config file: %w", err)
+	}
+
+	return config, nil
+}
+
+// GetAddress returns the server address in host:port format
+func (c *Config) GetAddress() string {
+	return fmt.Sprintf("%s:%s", c.Server.Host, c.Server.Port)
+}