crossover

backend-go/cmd/api/main.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	"github.com/joho/godotenv"
+	"github.com/kjannette/koin-ping/backend-go/internal/config"
+	"github.com/kjannette/koin-ping/backend-go/internal/database"
+	"github.com/kjannette/koin-ping/backend-go/internal/firebase"
+	"github.com/kjannette/koin-ping/backend-go/internal/handlers"
+	"github.com/kjannette/koin-ping/backend-go/internal/middleware"
+	"github.com/kjannette/koin-ping/backend-go/internal/models"
+)
+
+func main() {
+	_ = godotenv.Load() // .env is optional; env vars can also be set externally
+
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatalf("Failed to load config: %v", err)
+	}
+
+	pool, err := database.Connect(cfg.DSN())
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+	defer database.Close()
+
+	if err := firebase.Init(cfg.FirebaseProjectID); err != nil {
+		log.Fatalf("Failed to initialize Firebase: %v", err)
+	}
+
+	addressModel := models.NewAddressModel(pool)
+	alertRuleModel := models.NewAlertRuleModel(pool)
+	alertEventModel := models.NewAlertEventModel(pool)
+	notifConfigModel := models.NewNotificationConfigModel(pool)
+
+	addressHandler := handlers.NewAddressHandler(addressModel)
+	alertRuleHandler := handlers.NewAlertRuleHandler(alertRuleModel, addressModel)
+	alertEventHandler := handlers.NewAlertEventHandler(alertEventModel)
+	notifConfigHandler := handlers.NewNotificationConfigHandler(notifConfigModel)
+
+	mux := http.NewServeMux()
+
+	// Public routes
+	mux.HandleFunc("GET /api/health", handlers.HealthCheck)
+	mux.HandleFunc("GET /api/status", handlers.SystemStatus)
+
+	// Authenticated routes — addresses
+	mux.Handle("POST /api/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.Create)))
+	mux.Handle("GET /api/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.List)))
+	mux.Handle("DELETE /api/addresses/{addressId}", middleware.Authenticate(http.HandlerFunc(addressHandler.Remove)))
+
+	// Authenticated routes — alert rules
+	mux.Handle("POST /api/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Create)))
+	mux.Handle("GET /api/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.ListByAddress)))
+	mux.Handle("PATCH /api/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.UpdateStatus)))
+	mux.Handle("DELETE /api/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Remove)))
+
+	// Authenticated routes — alert events
+	mux.Handle("GET /api/alert-events", middleware.Authenticate(http.HandlerFunc(alertEventHandler.List)))
+
+	// Authenticated routes — notification config
+	mux.Handle("GET /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.GetConfig)))
+	mux.Handle("PUT /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.UpdateConfig)))
+	mux.Handle("DELETE /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.DeleteConfig)))
+
+	handler := corsMiddleware(mux)
+
+	addr := fmt.Sprintf(":%d", cfg.Port)
+	log.Printf("Server running on port %d", cfg.Port)
+	log.Printf("Environment: %s", cfg.NodeEnv)
+
+	if err := http.ListenAndServe(addr, handler); err != nil {
+		log.Fatalf("Server failed: %v", err)
+		os.Exit(1)
+	}
+}
+
+func corsMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
+
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusNoContent)
+			return
+		}
+
+		next.ServeHTTP(w, r)
+	})
+}