package de.marcelkapfer.c.morseconverter.engine;

/*
    This is a Java application for converting writtenMorse and normal morse code.
    Copyright (C) 2014-2015  Marcel Michael Kapfer

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    Marcel Michael Kapfer
    marcelmichaelkapfer@yahoo.co.nz

 */

/*
 * Code for converting morse code into latin letters
 */
public class EncodeNormalMorseManager {

    public static String getEncodedString(String inputMessage) {
        if(inputMessage.equals("")){
            return "Please enter at least one character";
        } else {
            // Converts the input string into a StringBuffer
            StringBuffer message = new StringBuffer(inputMessage);
            // Delete the space at the end which is automatically set through some keyboards
            if (message.toString().endsWith(" ")) {
                message = message.deleteCharAt(message.length() - 1);
            }
            // Declaring variables
            String input;
            StringBuilder output = new StringBuilder();
            input = message.toString() + "   ";
            input = input.replace(System.lineSeparator(), "\n");
            input = input.replace("\r", "\n");
            input = input.replace("\r\n", "\n");
            StringBuilder inputToSign = new StringBuilder(input);
            while (!inputToSign.toString().equals("   ")) {
                int d = 0;
                boolean signFull = true;
                StringBuilder sign = new StringBuilder();
                while (signFull) {
                    if (inputToSign.toString().startsWith("       ")) {
                        output.append(" ");
                        inputToSign.delete(d, d + 7);
                    }
                    if (inputToSign.toString().startsWith("\n")) {
                        output.append(System.lineSeparator());
                        int indexLineSeparator = inputToSign.indexOf("\n");
                        inputToSign.deleteCharAt(indexLineSeparator);
                    }
                    if (inputToSign.toString().substring(d, d + 3).equals("   ")) {
                        if (d == 0) {
                            inputToSign.delete(0, 3);
                        } else {
                            sign.replace(0, sign.length(), inputToSign
                                    .toString().substring(0, d));
                            inputToSign.delete(0, d);
                            signFull = false;
                        }
                    } else {
                        d++;
                    }
                }
                if(sign.toString().equals(".-")) {
                    output.append("A");
                } else if (sign.toString().equals("-...")) {
                    output.append("B");
                } else if (sign.toString().equals("-.-.")) {
                    output.append("C");
                } else if (sign.toString().equals("-..")) {
                    output.append("D");
                } else if (sign.toString().equals(".")) {
                    output.append("E");
                } else if (sign.toString().equals("..-.")) {
                    output.append("F");
                } else if (sign.toString().equals("--.")) {
                    output.append("G");
                } else if (sign.toString().equals("....")) {
                    output.append("H");
                } else if (sign.toString().equals("..")) {
                    output.append("I");
                } else if (sign.toString().equals(".---")) {
                    output.append("J");
                } else if (sign.toString().equals("-.-")) {
                    output.append("K");
                } else if (sign.toString().equals(".-..")) {
                    output.append("L");
                } else if (sign.toString().equals("--")) {
                    output.append("M");
                } else if (sign.toString().equals("-.")) {
                    output.append("N");
                } else if (sign.toString().equals("---")) {
                    output.append("O");
                } else if (sign.toString().equals(".--.")) {
                    output.append("P");
                } else if (sign.toString().equals("--.-")) {
                    output.append("Q");
                } else if (sign.toString().equals(".-.")) {
                    output.append("R");
                } else if (sign.toString().equals("...")) {
                    output.append("S");
                } else if (sign.toString().equals("-")) {
                    output.append("T");
                } else if (sign.toString().equals("..-")) {
                    output.append("U");
                } else if (sign.toString().equals("...-")) {
                    output.append("V");
                } else if (sign.toString().equals(".--")) {
                    output.append("W");
                } else if (sign.toString().equals("-..-")) {
                    output.append("X");
                } else if (sign.toString().equals("-.--")) {
                    output.append("Y");
                } else if (sign.toString().equals("--..")) {
                    output.append("Z");
                } else if (sign.toString().equals("-----")) {
                    output.append("0");
                } else if (sign.toString().equals(".----")) {
                    output.append("1");
                } else if (sign.toString().equals("..---")) {
                    output.append("2");
                } else if (sign.toString().equals("...--")) {
                    output.append("3");
                } else if (sign.toString().equals("....-")) {
                    output.append("4");
                } else if (sign.toString().equals(".....")) {
                    output.append("5");
                } else if (sign.toString().equals("-....")) {
                    output.append("6");
                } else if (sign.toString().equals("--...")) {
                    output.append("7");
                } else if (sign.toString().equals("---..")) {
                    output.append("8");
                } else if (sign.toString().equals("----.")) {
                    output.append("9");
                } else if (sign.toString().equals(".-.-")) {
                    output.append("Ä");
                } else if (sign.toString().equals("---.")) {
                    output.append("Ö");
                } else if (sign.toString().equals("..--")) {
                    output.append("Ü");
                } else if (sign.toString().equals("...--...")) {
                    output.append("ß");
                } else if (sign.toString().equals("----")) {
                    output.append("CH");
                } else if (sign.toString().equals(".-.-.-")) {
                    output.append(".");
                } else if (sign.toString().equals("--..--")) {
                    output.append(",");
                } else if (sign.toString().equals("---...")) {
                    output.append(":");
                } else if (sign.toString().equals("-.-.-.")) {
                    output.append(";");
                } else if (sign.toString().equals("..--..")) {
                    output.append("?");
                } else if (sign.toString().equals("-.-.--")) {
                    output.append("!");
                } else if (sign.toString().equals("-....-")) {
                    output.append("-");
                } else if (sign.toString().equals("..--.-")) {
                    output.append("_");
                } else if (sign.toString().equals("-.--.")) {
                    output.append("(");
                } else if (sign.toString().equals("-.--.-")) {
                    output.append(")");
                } else if (sign.toString().equals(".----.")) {
                    output.append("'");
                } else if (sign.toString().equals("-...-")) {
                    output.append("=");
                } else if (sign.toString().equals(".-.-.")) {
                    output.append("+ or End of the signal");
                } else if (sign.toString().equals("-..-.")) {
                    output.append("/");
                } else if (sign.toString().equals(".--.-.")) {
                    output.append("@");
                } else if (sign.toString().equals("-.-.-")) {
                    output.append("Begin of the signal");
                } else if (sign.toString().equals("-...-")) {
                    output.append("Wait");
                } else if (sign.toString().equals("...-.")) {
                    output.append("Understood");
                } else if (sign.toString().equals("...-.-")) {
                    output.append("End of work");
                } else if (sign.toString().equals("...---...")) {
                    output.append("SOS");
                } else if (sign.toString().equals("........")) {
                    output.append("Error");
                } else {
                    return "Code not listed or wrong.";
                }
            }
            return output.toString();
        }
    }
}