package server

import (
	"log/slog"
	"net/http"
	"time"

	"crypto/ecdsa"
	"github.com/go-chi/chi/v5"
	"github.com/go-chi/chi/v5/middleware"

	"gitea.songhuwan.com/actions/docker-compose-updater/internal/auth"
	"gitea.songhuwan.com/actions/docker-compose-updater/internal/docker"
)

// Server 封装 HTTP 服务器。
type Server struct {
	addr   string
	router *chi.Mux
	srv    *http.Server
}

// New 创建 Server。
func New(
	addr string,
	verifyKey *ecdsa.PublicKey,
	updater *docker.Updater,
	sessionTTL time.Duration,
	nonceTTL time.Duration,
	timeWindow time.Duration,
) *Server {
	sessionMgr := auth.NewSessionManager(sessionTTL)
	nonceCache := auth.NewNonceCache(nonceTTL)
	h := NewHandler(verifyKey, sessionMgr, nonceCache, updater, timeWindow)

	r := chi.NewRouter()
	r.Use(middleware.Logger)
	r.Use(middleware.Recoverer)
	r.Use(middleware.RequestSize(1024 * 1024)) // 1MB

	r.Get("/health", h.Health)
	r.Post("/session", h.HandleSession)
	r.Post("/hook", h.HandleHook)

	return &Server{
		addr:   addr,
		router: r,
	}
}

// Start 启动 HTTP 服务器。
func (s *Server) Start() error {
	s.srv = &http.Server{
		Addr:    s.addr,
		Handler: s.router,
	}
	slog.Info("server starting", "addr", s.addr)
	return s.srv.ListenAndServe()
}