package com.teamtreehouse;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.Scanner;

public class Main {

    private static String mCompiled;
    private static List<String> mPlaceholders;
    private static List<String> results;
    public static void main(String[] args) {
        // write your code here

        System.out.printf("Story Templat%n%n Thanks __name__ for helping me out.  You are really a __adjective__ __noun__ and I owe you a __noun__.%n%n");
        Scanner inputReader = new Scanner(System.in);
        String story = null;
        if(story == null || story.isEmpty()){
            story = "Thanks __name__ for helping me out.  You are really a __adjective__ __noun__ and I owe you a __noun__";
        }
        //String story = "Thanks __name__ for helping me out.  You are really a __adjective__ __noun__ and I owe you a __noun__.";
        template(story);


        List<String> fakeResults = Arrays.asList("friend", "talented", "java programmer", "high five");

        Prompter prompter = new Prompter();
        results = prompter.Startrun(mPlaceholders);
        System.out.println(results);
        String TreeStroy = render(results);
        //String results = render(fakeResults);
        System.out.printf("Your TreeStory:%n%n%s", TreeStroy);

    }


    public static void template(String text) {
        // Match on double underscore surrounded words, like __name__ or __proper noun__
        Pattern pattern = Pattern.compile("__([^__]+)__");
        Matcher matcher = pattern.matcher(text);
        mPlaceholders = new ArrayList<>();
        while (matcher.find()) {
            String label = matcher.group(1);
            mPlaceholders.add(label);
        }
        mCompiled = matcher.replaceAll("%s");
    }

    /**
     * @return Ordered names of placeholders in the template
     */
    public List<String> getPlaceHolders() {
        return mPlaceholders;
    }


    /**
     * Given a list of values, replaces the fill in the blanks in order.
     *
     * @param values The replacements for the fill in the blank
     * @return The filled out TreeStory
     */
    public static String render(List<String> values) {
        // String.format accepts the templates and Object... (a variable amount of objects)
        return String.format(mCompiled, values.toArray());
    }

}

package com.teamtreehouse;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;


public class Prompter {
    private BufferedReader mReader;
    private Set<String> mCensoredWords;

    public Prompter() {
        mReader = new BufferedReader(new InputStreamReader(System.in));
        loadCensoredWords();
    }

    private void loadCensoredWords() {
        mCensoredWords = new HashSet<String>();
        List<String> words =new ArrayList<>() ;
        try {
            words.add("Stupid");
            words.add("dork");
            words.add("ugly");
            mCensoredWords.addAll(words);
        }catch(Exception ioe){
            System.out.printf("Exception %s", ioe.getStackTrace());
        }

    }

    public List<String> Startrun(List<String> tmpl) {
        List<String> results = null;
        try {
            results = promptForWords(tmpl);
        } catch (IOException e) {
            System.out.println("There was a problem prompting for words");
            e.printStackTrace();
            System.exit(0);
        }
        return results;

    }

    /**
     * Prompts user for each of the blanks
     *
     * @param tmpl The compiled template
     * @return
     * @throws IOException
     */
    public List<String> promptForWords(List<String> tmpl) throws IOException {
        List<String> words = new ArrayList<String>();
        for (String phrase : tmpl) {
            String word = promptForWord(phrase);
            words.add(word);
        }
        return words;
    }


    /**
     * Prompts the user for the answer to the fill in the blank.  Value is guaranteed to be not in the censored words list.
     *
     * @param phrase The word that the user should be prompted.  eg: adjective, proper noun, name
     * @return What the user responded
     */
    public String promptForWord(String phrase) throws IOException {
        System.out.printf("Enter %s: ", phrase);
        Scanner inputReader = new Scanner(System.in);
        String userInput = inputReader.nextLine();

        return userInput;
    }
}