package main

import (
	"context"
	"embed"
	"log"
	"net/http"

	"xengineering.eu/ceres/controller"
	"xengineering.eu/ceres/view"

	"github.com/gorilla/mux"
)

type Server struct {
	backend *http.Server
}

//go:embed view/static/simple.css/simple.css view/static/ceres.js
var static embed.FS

func NewServer(addr string) Server {
	var r *mux.Router = mux.NewRouter()

	r.PathPrefix("/static/").
		Handler(http.StripPrefix("/static/", http.FileServer(http.FS(static))))

	r.HandleFunc("/version", view.VersionRead(version)).Methods(`GET`)

	r.HandleFunc("/recipes", view.RecipesRead).Methods(`GET`)
	r.HandleFunc("/recipe/create", view.RecipeCreate).Methods(`GET`)

	r.HandleFunc("/recipe", controller.RecipeCreate).Methods(`POST`)
	r.HandleFunc("/recipe/{id:[0-9]+}", view.RecipeRead).Methods(`GET`)
	r.HandleFunc("/recipe/{id:[0-9]+}", controller.RecipeUpdate).Methods(`POST`)
	r.HandleFunc("/recipe/{id:[0-9]+}", controller.RecipeDelete).Methods(`DELETE`)

	r.HandleFunc("/favicon.ico", view.FaviconRead).Methods(`GET`)

	r.HandleFunc("/", view.IndexRead).Methods(`GET`)

	muxer := http.NewServeMux()
	muxer.Handle("/", r)

	var srv http.Server
	srv.Addr = addr
	srv.Handler = muxer

	log.Printf("Configured server to listen on http://%s\n", srv.Addr)

	return Server{backend: &srv}
}

func (s Server) Start() {
	s.backend.ListenAndServe()
}

func (s Server) Stop() {
	err := s.backend.Shutdown(context.Background())
	if err != nil {
		log.Printf("Failed to shutdown HTTP server: %v\n", err)
	} else {
		log.Println("Stopped HTTP server")
	}
}