package y2016.d10;

import common.Files;

import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.function.IntBinaryOperator;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class Part1 {

private static HashMap<Integer, Bot> botMap = new HashMap<>();

private static HashMap<Integer, Output> outputMap = new HashMap<>();

public static void main(String[] args) throws FileNotFoundException {

ArrayList<String> in = Files.readByLines("src/main/java/y2016/d10/in.txt");

Pattern pattern1 = Pattern.compile("value (\\d+) goes to bot (\\d+)");

Pattern pattern2 = Pattern.compile("bot (\\d+) gives low to (bot|output) (\\d+) and high to (bot|output) (\\d+)");

for (String line: in) {

Matcher m = pattern1.matcher(line);

if (m.find()) {

System.out.println("value " + line);

getBot(Integer.parseInt(m.group(2))).setValue(Integer.parseInt(m.group(1)));

continue;

}

m = pattern2.matcher(line);

if (m.find()) {

System.out.println("command " + line);

Receiver lowReceiver = getReceiver(m.group(2), m.group(3));

Receiver highReceiver = getReceiver(m.group(4), m.group(5));

getBot(Integer.parseInt(m.group(1))).setHighReceiver(highReceiver);

getBot(Integer.parseInt(m.group(1))).setLowReceiver(lowReceiver);

continue;

}

System.out.println("NOTHING!!! " + line);

}

int out = getOutput(0).getValue();

out *= getOutput(1).getValue();

out *= getOutput(2).getValue();

System.out.println(out);

}

private static Receiver getReceiver(String type, String id) {

if ("bot".equals(type)) {

return getBot(Integer.parseInt(id));

} else if ("output".equals(type)) {

return getOutput(Integer.parseInt(id));

}

throw new RuntimeException("no dude, just no!");

}

private static Bot getBot(Integer botId) {

if (!botMap.containsKey(botId)) {

botMap.put(botId, new Bot(botId));

}

return botMap.get(botId);

}

private static Output getOutput(Integer outputId) {

if (!outputMap.containsKey(outputId)) {

outputMap.put(outputId, new Output(outputId));

}

return outputMap.get(outputId);

}

}