import std/[strscans, strformat, strutils]

type
    Reveal = tuple[red: int, green: int, blue: int]
    Game = object
        number: int
        reveals: seq[Reveal]

var games: seq[Game]

for line in readFile("input_02.txt").splitLines:
    if line.strip.len == 0:
        continue

    var gameNum: int
    var gamespec = line.strip.split(":", 1)
    if not scanf(gamespec[0], "Game $i", gameNum):
        echo "invalid line. Game number prefix mising."

    var game = Game(number: gameNum)

    for revealspec in gamespec[1].split(";"):
        var reveal: Reveal
        for dice in revealspec.strip.split(","):
            var spec = dice.strip.split(" ", 1)
            case spec[1].strip:
                of "red":
                    reveal.red = parseInt(spec[0])
                of "green":
                    reveal.green = parseInt(spec[0])
                of "blue":
                    reveal.blue = parseInt(spec[0])
        game.reveals.add(reveal)

    games.add(game)

var max_dice = (red: 12, green: 13, blue: 14)
var result = 0

for game in games:
    var possible = true
    for reveal in game.reveals:
        if reveal.red > max_dice.red or reveal.green > max_dice.green or reveal.blue > max_dice.blue:
            possible = false
            echo &"Game {game.number} NOT possible"
            break

    if possible:
        result += game.number

echo &"Result: {result}"