advent-of-code-2021/main.go.template

/* Day #DAY#: #TITLE# */
package main

import (
	"AoC2021/utils/args"
	"AoC2021/utils/log"
	"AoC2021/utils/timer"
	"bufio"
	"fmt"
	"os"
)

func check(e error) {
	if e != nil {
		log.Println(log.DEBUG, "Oh snap!")
		panic(e)
	}
}

func main() {
	argMap := args.Parse(os.Args)
	log.SetLogLevelFromArgs(argMap)
	selectedPart, partSpecified := argMap["part"]

	log.Println(log.NORMAL, "--- Day #DAY#: #TITLE# ---")
	timer.Start()

	if !partSpecified || selectedPart == "" || selectedPart == "1" {
		part1()
		timer.Tick()
		log.Println(log.NORMAL)
	}

	if !partSpecified || selectedPart == "" || selectedPart == "2" {
		part2()
		timer.Tick()
		log.Println(log.NORMAL)
	}
}

func part1() {
	log.Println(log.NORMAL, "* Part 1 *")
	log.Println(log.NORMAL, " Goal: ")
	log.Println(log.NORMAL, " Answer: ")

	input, err := os.Open("./input.txt")
	check(err)
	defer input.Close()

	scanner := bufio.NewScanner(input)
	lines := 0
	answer := 42

	for scanner.Scan() {
		_ = scanner.Text()
		lines++
	}

	log.Printf(log.NORMAL, "Read %d lines from input\n", lines)
	log.Printf(log.NORMAL, "The solution is %d\n", answer)
}

func part2() {
	log.Println(log.NORMAL, "* Part 2 *")
	log.Println(log.NORMAL, " Goal: ")
	log.Println(log.NORMAL, " Answer: ")
}