package game

import (
	"fmt"
)

// Router processes packets by passing them to the correct handler.
type Router struct {
	handlers [256]Handler
}

// Get sets the handler for the given byte code.
func (ph *Router) Get(code byte, handler Handler) {
	ph.handlers[code] = handler
}

// handle deals with an incoming packet.
func (ph *Router) handle(p Packet) {
	defer func() {
		if r := recover(); r != nil {
			fmt.Println(p)
			fmt.Println(r)
		}
	}()

	handler := ph.handlers[p.Data[0]]

	if handler == nil {
		fmt.Printf("No callback registered for packet type %d\n", p.Data[0])
		return
	}

	err := handler(p.Data[1:], p.Address)

	if err != nil {
		fmt.Println(err)
	}
}