package day13

import (
	"strconv"
	"strings"

	"git.elis.nu/etu/aoc2020/utils"
)

var schedule struct {
	Departure int
	Lines     map[int]int
}

func ParseFile(input string) {
	// Parse file
	rows := utils.GetLinesFromFile("day13/" + input + ".txt")

	// Convert time
	time, _ := strconv.Atoi(rows[0])

	// Store time
	schedule.Departure = time
	schedule.Lines = make(map[int]int)

	for offset, row := range strings.Split(rows[1], ",") {
		if row != "x" {
			// Convert bus number
			line, _ := strconv.Atoi(row)

			// Add to schedule
			schedule.Lines[offset] = line
		}
	}
}