package Untoasted_Craven;

import java.util.ArrayList;

public class Feedback_2 {

    private static String morseAlphabet = " .- -... -.-. -.. . ..-. --. .... .. .--- -.- .-.. -- -. --- .--. --.- .-. ... - ..- ...- .-- -..- -.-- --..";
    private static String asciiAlphabet = " a b c d e f g h i j k l m n o p q r s t u v w x y z";

    public static void main(String[] args) {
        // initialization
        ArrayList<String> morseTable = createMorseLookupTable(morseAlphabet);
        ArrayList<String> asciiTable = createAsciiLookupTable(asciiAlphabet);

        // note: we implicitly require the lookup tables to have the same size! (1 to 1 mapping)
        assert (morseTable.size() == asciiTable.size());

        // "application part": our test code
        String testWord = "brandon";
        String smorsed = smorse(morseTable, asciiTable, splitIntoLetters(testWord));
        System.out.println(smorsed);
    }

    public static ArrayList<String> createMorseLookupTable(String alphabet) {
        String[] letters = alphabet.split(" "); // note: it's sufficient to split only once!

        ArrayList<String> result = new ArrayList<String>();

        for (int i = 0; i < letters.length; i++) {
            result.add(letters[i]);
        }

        return result;
    }

    public static ArrayList<String> createAsciiLookupTable(String alphabet) {
        String[] letters = alphabet.split(" "); // note: it's sufficient to split only once!

        ArrayList<String> result = new ArrayList<String>();

        for (int i = 0; i < letters.length; i++) {
            result.add(letters[i]);
        }

        return result;
    }

    public static ArrayList<String> splitIntoLetters(String word) {
        String[] letters = word.split("a{0}"); // note: it's sufficient to split only once!

        ArrayList<String> result = new ArrayList<String>();

        for (int i = 0; i < letters.length; i++) {
            result.add(letters[i]);
        }

        return result;
    }

    public static String smorse(ArrayList<String> morseTable, ArrayList<String> asciiTable, ArrayList<String> word) {
        String result = "";

        int wordIndex = 0;

        for (int asciiIndex = 0; asciiIndex < asciiTable.size(); asciiIndex++) {
            boolean lettersMatch = word.get(wordIndex).equals(asciiTable.get(asciiIndex));

            if (lettersMatch) {
                result += morseTable.get(asciiIndex);
                wordIndex++;
                asciiIndex = 0;
            }

            if (wordIndex == word.size()) {
                break;
            }
        }

        return result;
    }
}