80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"time"
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"snikolov.me/aoc2022/day1"
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"snikolov.me/aoc2022/day2"
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"snikolov.me/aoc2022/day3"
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"snikolov.me/aoc2022/day4"
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"snikolov.me/aoc2022/day5"
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"snikolov.me/aoc2022/utils"
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)
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type Args struct {
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DayNumber int
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PartNumber int
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TestMode bool
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DownloadInput bool
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}
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func main() {
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var args Args
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flag.IntVar(&args.DayNumber, "day", 0, "day number")
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flag.IntVar(&args.PartNumber, "part", 0, "day part number")
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flag.BoolVar(&args.TestMode, "test", false, "use test input")
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flag.BoolVar(&args.DownloadInput, "download-input", false, "download production input")
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flag.Parse()
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inputFileName := utils.GetInputFileName(args.DayNumber, args.TestMode)
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if args.DownloadInput {
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const sessionCookie = "53616c7465645f5f63d2a07212d6266c5e8de3664d5684dac31a6031e5ddf4c1ec004e5475bf45a16c9f9919fae43b7344135650408c9aec716880afd94bbc0b"
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if err := utils.DownloadInput(sessionCookie, args.DayNumber, inputFileName); err != nil {
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log.Fatalf("Could not download puzzle input: %s", err)
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}
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} else {
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solve(args, inputFileName)
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}
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}
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func solve(args Args, inputFileName string) {
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solvers := map[int]utils.Solver{
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1: &day1.Solver{},
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2: &day2.Solver{},
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3: &day3.Solver{},
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4: &day4.Solver{},
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5: &day5.Solver{},
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}
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solver, ok := solvers[args.DayNumber]
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if !ok {
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log.Fatalf("Could not find a solver for day %d", args.DayNumber)
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}
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startTime := time.Now()
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if input, err := utils.ReadInput(inputFileName); err == nil {
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solver.ParseInput(input)
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} else {
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log.Fatalf("Could not read input for day %d: %s", args.DayNumber, err)
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}
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var solution any
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switch args.PartNumber {
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case 1:
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solution = solver.SolvePart1()
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case 2:
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solution = solver.SolvePart2()
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default:
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log.Fatal("unknown part number, please use 1 or 2")
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return
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}
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fmt.Printf("%s: %d\n", time.Now().Sub(startTime), solution)
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}
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