package main

import (
	"fmt"

	h "git.bullercodeworks.com/brian/adventofcode/helpers"
)

func main() {
	pt := h.GetArgNumber(1)
	if pt != "2" {
		part1()
	} else {
		part2()
	}
}

func part1() {
	devices, queue := NewNetwork()
	for {
		//fmt.Print(h.CLEAR_SCREEN)
		for i, dev := range devices {
			var packet h.Coordinate
			if len(queue[i]) > 0 {
				packet = queue[i][0]
			} else {
				packet = h.Coordinate{X: -1, Y: -1}
			}
			select {
			case dest := <-dev.Channel:
				x := <-dev.Channel
				y := <-dev.Channel
				//fmt.Printf("%s: [%d] -> [%d]: {%d, %d}\n", time.Now().Format(time.Stamp), i, dest, x, y)
				if dest == 255 {
					fmt.Println(y)
					return
				}
				queue[dest] = append(queue[dest], h.Coordinate{X: x, Y: y})
			case dev.Channel <- packet.X:
				//if packet.X != -1 && packet.Y != -1 {
				//	fmt.Printf("%s: [%d] <-: {%d, %d}\n", time.Now().Format(time.Stamp), i, packet.X, packet.Y)
				//}
				if packet.X != -1 {
					dev.Channel <- packet.Y
					queue[i] = queue[i][1:]
				}
			}
			//fmt.Println(dev)
		}
	}
}

func part2() {
}