package com.qtech.hangman;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.concurrent.ThreadLocalRandom;

public class Main {
	private static Scanner stdin = new Scanner(System.in);
	private static ArrayList<String> words = new ArrayList<String>();

	private static boolean exit;
	private static boolean won;
	private static boolean lost;

	private static String currentPhrase;
	private static StringBuilder usedLetters = new StringBuilder();
	private static ArrayList<Character> phraseStatus = new ArrayList<Character>();
	private static int attemptsLeft;


	public static void main(String[] args) {
		initPhraseList();
		while(!exit) {
			cls();
			switch(doMenu())
			{
			case 1:
				resetVariables();
				doGame();
				break;
			case 2:
				exit = true;
				return;
			}
		}
	}

	public static void initPhraseList() {
		words.add("josh");
		words.add("faggot");
		words.add("bitch");
		words.add("jews");
		words.add("josh is gay");
		words.add("fuck bitches get money");
		words.add("lolwin");
	}

	private static void resetVariables() {
		won = false;
		lost = false;
		attemptsLeft = 6;
		phraseStatus.clear();
		currentPhrase = words.get(ThreadLocalRandom.current().nextInt(0, words.size()));
		for(char c:currentPhrase.toCharArray()) { if(c==' ') phraseStatus.add(' '); else phraseStatus.add('_'); }
		usedLetters.delete(0, usedLetters.length());
	}

	public static int doMenu() {
        System.out.println("      HANGMAN      ");
        System.out.println("1. Play");
        System.out.println("2. Quit");
        String raw = stdin.next();
        int response;
        try{
        	response = Integer.parseInt(raw);
        } catch(Exception e) {
        	response = -1;
        }
        switch(response) {
        case 1:
        case 2:
        	return response;
        default:
        	return doMenu();
        }
	}

	public static void doGame() {
		while(!exit) {
			cls();

			System.out.println("Wrong letters: "+usedLetters.toString());
			updateMan();
			updateWord();

			if(won) {
				System.out.println("You win!");
				waitForEnter();
				break;
			} else if(lost) {
				System.out.println("You lose!");
				waitForEnter();
				break;
			}

			System.out.println("Enter letter or guess word:");
			String in = stdin.nextLine();
			if(in != "") {
				if(in.length() > 1)
					if(checkWord(in)) { won = true; } else {
						usedLetters.delete(0, usedLetters.length());
						usedLetters.append(in);
						lost = true;
					}
				else if(in.length() == 1)
					checkLetter(in.charAt(0));
			} else {
				System.out.println("Please enter a letter or guess the word!");
			}
		}
	}

	public static void updateMan() {
		String head = " O ";
		String body = "|";
		String lArm = "\\";
		String rArm = "/";
		String lLeg = "/";
		String rLeg = "\\";
		StringBuilder man = new StringBuilder();
		if(attemptsLeft > 0) man.append(head+"\n");
		if(attemptsLeft > 2) man.append(lArm); else man.append(" ");
		if(attemptsLeft > 1) man.append(body); else man.append(" ");
		if(attemptsLeft > 3) man.append(rArm+"\n"); else man.append(" \n");
		if(attemptsLeft > 1) man.append(" "+body+" \n"); else man.append("   \n");
		if(attemptsLeft > 4) man.append(lLeg); else man.append(" ");
		if(attemptsLeft > 5) man.append(" "+rLeg); else man.append("  ");
		System.out.println(man.toString());
	}

	public static void updateWord() {
		StringBuilder phrase = new StringBuilder();
		for(char c:phraseStatus) {
			phrase.append(c+" ");
		}
		System.out.println(phrase.toString());
	}

	public static boolean checkWord(String in) {
		if(in.toLowerCase().equals(currentPhrase.toLowerCase())) {
			for(int i=0; i<currentPhrase.length(); i++) {
				phraseStatus.set(i, currentPhrase.charAt(i));
			}
			return true;
		}
		return false;
	}

	public static void checkLetter(char letter) {
		boolean found = false;
		for(int i=0; i<currentPhrase.length(); i++) {
			if(currentPhrase.charAt(i) == letter) {
				phraseStatus.set(i, currentPhrase.charAt(i));
				found = true;
			}
		}
		if(!found){
			usedLetters.append(letter);
			attemptsLeft--;
			if(attemptsLeft == 0) lost = true;
		}

		StringBuilder currentWord = new StringBuilder();
		for(char c:phraseStatus) { currentWord.append(c); }
		won = checkWord(currentWord.toString());
	}

	private static void cls() { //Quick and dirty clearscreen
		for(int i=0;i<60;i++)
			System.out.println();
	}

	private static void waitForEnter() {
		try {
			System.in.read();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}