const fs = require('fs').promises;

const input: string = (await fs.readFile('./input.txt')).toString()
const testInput = `Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green`

let limits: {[id: string]: Number} = {
	red: 12,
	green: 13,
	blue: 14
}

console.log("Solution first part: " + partOne(input))
console.log("Solution second part: " + partTwo(input))


function partOne(input: string): string {
	let possibleGames = []
	for (const game of input.split('\n')) {
		let colorMaximums: {[id: string]: Number} = {blue: 0, red: 0, green: 0}
		
		const gameParts = game.split(":")
		const name = gameParts[0]
		const moves = gameParts[1]
		for (const round of moves.split(';')) {
			for (const stat of round.split(',')) {
				let statParts = stat.split(' ')
				let number = parseInt(statParts[1])
				let color = statParts[2]
				if (colorMaximums[color] < number) {
					colorMaximums[color] = number
				}
			}
		}
		let gamePossible = true
		for (const [colorName, maximum] of Object.entries(limits)) {
			if (colorMaximums[colorName] > maximum) {
				gamePossible = false
			}
		}
		if (gamePossible) {
			possibleGames.push(parseInt(name.split(' ')[1]))
		}
	}
	return `${possibleGames.reduce((acc, item) => { return item += acc })}`
}

function partTwo(input: string): string {
	let powers = []
	for (const game of input.split('\n')) {
		let colorMaximums: {[id: string]: Number} = {blue: 0, red: 0, green: 0}
		
		const gameParts = game.split(":")
		const name = gameParts[0]
		const moves = gameParts[1]
		for (const round of moves.split(';')) {
			for (const stat of round.split(',')) {
				let statParts = stat.split(' ')
				let number = parseInt(statParts[1])
				let color = statParts[2]
				if (colorMaximums[color] < number) {
					colorMaximums[color] = number
				}
			}
		}
		powers.push(colorMaximums['red'] * colorMaximums['green'] * colorMaximums['blue'])
	}
	return `${powers.reduce((acc, item) => { return item += acc })}`
}