feat: http api server

cmd/hspguard/api/api.go

@@ -0,0 +1,50 @@
+package api
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"gitea.local/admin/hspguard/internal/repository"
+	"gitea.local/admin/hspguard/internal/user"
+	"github.com/go-chi/chi/v5"
+)
+
+type APIServer struct {
+	addr string
+	repo *repository.Queries
+}
+
+func NewAPIServer(addr string, db *repository.Queries) *APIServer {
+	return &APIServer{
+		addr: addr,
+		repo: db,
+	}
+}
+
+func (s *APIServer) Run() error {
+	router := chi.NewRouter()
+
+	router.Route("/api/v1", func(r chi.Router) {
+		userHandler := user.NewUserHandler()
+		userHandler.RegisterRoutes(r)
+	})
+
+	// Handle unknown routes
+	router.NotFound(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusNotFound)
+		_, _ = fmt.Fprint(w, `{"error": "404 - route not found"}`)
+	})
+
+	router.MethodNotAllowed(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusMethodNotAllowed)
+		fmt.Fprint(w, `{"error": "405 - method not allowed"}`)
+	})
+
+	log.Println("Listening on", s.addr)
+
+	return http.ListenAndServe(s.addr, router)
+}
+