0.0.0.0 Initial commit, basic core functionality

examples/main.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/LixenWraith/config"
+)
+
+type SMTPConfig struct {
+	Host     string `toml:"host"`
+	Port     string `toml:"port"`
+	FromAddr string `toml:"from_addr"`
+	AuthUser string `toml:"auth_user"`
+	AuthPass string `toml:"auth_pass"`
+}
+
+type ServerConfig struct {
+	Host         string        `toml:"host"`
+	Port         int           `toml:"port"`
+	ReadTimeout  time.Duration `toml:"read_timeout"`
+	WriteTimeout time.Duration `toml:"write_timeout"`
+	MaxConns     int           `toml:"max_conns"`
+}
+
+type AppConfig struct {
+	SMTP   SMTPConfig   `toml:"smtp"`
+	Server ServerConfig `toml:"server"`
+	Debug  bool         `toml:"debug"`
+}
+
+func main() {
+	defaultConfig := AppConfig{
+		SMTP: SMTPConfig{
+			Host:     "smtp.example.com",
+			Port:     "587",
+			FromAddr: "noreply@example.com",
+			AuthUser: "admin",
+			AuthPass: "default123",
+		},
+		Server: ServerConfig{
+			Host:         "localhost",
+			Port:         8080,
+			ReadTimeout:  time.Second * 30,
+			WriteTimeout: time.Second * 30,
+			MaxConns:     1000,
+		},
+		Debug: true,
+	}
+
+	configPath := filepath.Join(".", "test.toml")
+	cfg := defaultConfig
+
+	// CLI argument usage example to override SMTP host and server port of existing and default config:
+	// ./main --smtp.host mail.example.com --server.port 9090
+
+	exists, err := config.Load(configPath, &cfg, os.Args[1:])
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Failed to load config: %v\n", err)
+		os.Exit(1)
+	}
+
+	if !exists {
+		if err := config.Save(configPath, &cfg); err != nil {
+			fmt.Fprintf(os.Stderr, "Failed to save default config: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Println("Created default config at:", configPath)
+	}
+
+	fmt.Printf("Running with config:\n")
+	fmt.Printf("Server: %s:%d\n", cfg.Server.Host, cfg.Server.Port)
+	fmt.Printf("SMTP: %s:%s\n", cfg.SMTP.Host, cfg.SMTP.Port)
+	fmt.Printf("Debug: %v\n", cfg.Debug)
+}