package http

import (
	"log"
	"net/http"
	"sync"
)

// Main router
// Twilio handler

var server = &struct {
	router *http.ServeMux
	lock   sync.Mutex
}{
	router: http.NewServeMux(),
}

// AddRoute is used to set up routes.
//
// NB: no checking is done yet for duplicate patterns.
func AddRoute(pattern string, handler func(http.ResponseWriter, *http.Request)) {
	server.lock.Lock()
	defer server.lock.Unlock()
	server.router.HandleFunc(pattern, handler)
}

func Start(addr string) {
	go log.Print(http.ListenAndServe(addr, server.router))
}