package server

import (
	"io/fs"
	"log"
	"net/http"
	"sync"

	"dynatron.me/x/blasphem/pkg/bus"
	"dynatron.me/x/blasphem/pkg/config"
	"dynatron.me/x/blasphem/pkg/frontend"
)

type Server struct {
	*bus.Bus
	*http.Server
	wg sync.WaitGroup
	cfg *config.Config
}

func New(cfg *config.Config) (*Server, error) {
	mux := http.NewServeMux()

	s := &Server{
		Bus: bus.New(),
		Server: &http.Server{
			Addr: cfg.Server.Bind,
			Handler: mux,
		},
		cfg: cfg,
	}

	rootFS, err := fs.Sub(frontend.Root, "frontend/hass_frontend")
	if err != nil {
		return nil, err
	}

	mux.HandleFunc("/api/websocket", s.wsHandler)
	mux.Handle("/", http.FileServer(http.FS(rootFS)))

	return s, nil
}

func (s *Server) Go() error {
	s.wg.Add(1)
	go func() {
		err := s.ListenAndServe()
		if err != nil {
			log.Fatal(err)
		}

		s.wg.Done()
	}()

	s.wg.Wait()

	return nil
}