package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"time"
)

func mustAtoi(line string) int {
	i, _ := strconv.Atoi(line)
	return i
}

func main() {
	start := time.Now()
	partOne()
	duration := time.Since(start)
	partTwo()
	duration2 := time.Since(start)
	fmt.Printf("p1: %s, p2: %s\n", duration, duration2-duration)
}

func makeScanner(test bool) *bufio.Scanner {
	var f *os.File
	if test {
		f, _ = os.Open("inputs/testinput")
	} else {
		f, _ = os.Open("inputs/input")
	}
	reader := bufio.NewReader(f)
	return bufio.NewScanner(reader)
}

type thing interface {
	IsNum() bool
	Num() int
	IsList() bool
	List() list
}

type list struct {
	children []thing
}

func (_ list) IsNum() bool {
	return false
}

func (n list) Num() int {
	panic("oops")
}

func (_ list) IsList() bool {
	return true
}

func (l list) List() list {
	return l
}

func (l list) Len() int {
	return len(l.children)
}

type num int

func (_ num) IsNum() bool {
	return true
}

func (n num) Num() int {
	return int(n)
}

func (_ num) IsList() bool {
	return false
}

func (_ num) List() list {
	panic("oops")
}

func partOne() {
	scanner := makeScanner(false)

	pairCount := 0
	sum := 0

	for scanner.Scan() {
		left := scanner.Text()
		right := scanner.Text()
	}
}

func partTwo() {
	scanner := makeScanner(false)

	for scanner.Scan() {
		// line := scanner.Text()
	}
}