feat: implement main.go with config

main.go

@@ -1,7 +1,67 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+
+	"forge.babariviere.com/babariviere/ntfy-bridge/bridge"
+	"forge.babariviere.com/babariviere/ntfy-bridge/config"
+)
 
 func main() {
-	fmt.Println("hello world")
+	cfg, err := config.ReadConfig("config.scfg")
+	if err != nil {
+		slog.Error("failed to read config", "error", err)
+		os.Exit(2)
+	}
+
+	defaultLevel := slog.LevelInfo
+	switch cfg.LogLevel {
+	case "debug":
+		defaultLevel = slog.LevelDebug
+	case "warn":
+		defaultLevel = slog.LevelWarn
+	case "error":
+		defaultLevel = slog.LevelError
+	}
+	lopts := slog.HandlerOptions{
+		Level: defaultLevel,
+	}
+
+	switch cfg.LogFormat {
+	case config.LogFormatText:
+		slog.SetDefault(slog.New(slog.NewTextHandler(os.Stderr, &lopts)))
+	case config.LogFormatJson:
+		slog.SetDefault(slog.New(slog.NewJSONHandler(os.Stderr, &lopts)))
+	}
+
+	slog.Info("Successfully read config")
+
+	var auth bridge.Auth
+	if cfg.Ntfy.AccessToken != "" {
+		auth.AccessToken = cfg.Ntfy.AccessToken
+	} else if cfg.Ntfy.Username != "" {
+		auth.Username = cfg.Ntfy.Username
+		auth.Password = cfg.Ntfy.Password
+	}
+
+	for route, handler := range cfg.Handlers {
+		var h bridge.Handler
+		switch handler.Type {
+		case config.HandlerFlux:
+			h = bridge.NewFluxHandler()
+		}
+
+		slog.Debug("Registering bridge", "route", route, "handler", handler.Type)
+		bridge := bridge.NewBridge(cfg.Ntfy.Server, handler.Topic, h)
+		if !auth.IsEmpty() {
+			bridge.WithAuth(auth)
+		}
+		http.Handle(route, bridge)
+	}
+
+	slog.Info("Server started", "address", cfg.HTTPAddress)
+	fmt.Println(http.ListenAndServe(cfg.HTTPAddress, nil))
 }