package ls223iu_assign4;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class ObscureLovecraft {
    static boolean isInteger(String string) {
        String temp = string.trim();
        try
        {
            Integer.parseInt(temp);
        }
        catch (NumberFormatException e) {
            return false;
        }
        return true;
    }
    public static void main(String[] args) throws IOException {
        Scanner userInputReader = new Scanner(System.in);
        File fileIn = new File("C:\\Users\\lucas\\private\\java\\java_courses\\1DV506\\src\\ls223iu_assign4\\lovecraft.txt");
        File fileOutObscure = new File("C:\\Users\\lucas\\private\\java\\java_courses\\1DV506\\src\\ls223iu_assign4\\obscure.txt");
        File fileOutReadable = new File ("C:\\Users\\lucas\\private\\java\\java_courses\\1DV506\\src\\ls223iu_assign4\\readableLovecraft.txt");
        Scanner fileInScan = new Scanner(fileIn);
        Scanner fileOutScan = new Scanner(fileOutObscure);
        Scanner userInputScan = new Scanner(System.in);
        PrintWriter printerObscure = new PrintWriter(fileOutObscure);
        PrintWriter printerReadable = new PrintWriter(fileOutReadable);
        boolean status = true;

        String userInput = "";
        while (status) {

            System.out.println("Obscure");
            System.out.println("========");
            System.out.println("1. Make obscure");
            System.out.println("2. Make readable");
            System.out.println("3. Print obscure");
            System.out.println("4. Print readable");
            System.out.println("0. Exit");
            System.out.print("\n==> ");
            userInput = userInputScan.nextLine();

            String test = "abc";
            String testResultReadable = "";
            String testResultCipher = "";
            int lineAmount = 0;


//            System.out.println(testResultCipher);

//        while(fileOutScan.hasNextLine()) {
//            String word = fileOutScan.nextLine();
//            System.out.println(word);
//        }

//            lineAmount = 0;
//            while (fileOutScan.hasNextLine()) {
//                testResultReadable = "";
//                if (lineAmount == 100) {
//                    break;
//                }
//                String currentLine = fileOutScan.nextLine();
//                if (currentLine.length() == 0) {
//                    int lol = 0;
//                } else if (isInteger(currentLine)) {
//                    testResultReadable += currentLine;
//                } else {
//                    for (int i = 0; i < currentLine.length(); i++) {
//                        char tempChar = currentLine.charAt(i);
//                        int newNumericValue = tempChar;
//                        newNumericValue += -3;
//                        char newTempChar = (char) newNumericValue;
//                        testResultReadable += newTempChar;
//                    }
//                }
//                testResultReadable += "\n";
//                printerReadable.print(testResultReadable);
//                System.out.println(testResultReadable);
//                lineAmount++;
//            }

            switch (userInput) {
                case "0":
                    status = false;
                    break;

                case "1":
                    while (fileInScan.hasNextLine()) {
                        testResultCipher = "";
                        if (lineAmount == 100) {
                            printerObscure.close();
                            break;
                        }
                        String currentLine = fileInScan.nextLine();
                        if (currentLine.length() == 0) {
//                testResultCipher += "\n";
                        } else if (isInteger(currentLine)) {
                            testResultCipher += currentLine;
                        } else {
                            for (int i = 0; i < currentLine.length(); i++) {
                                char tempChar = currentLine.charAt(i);
                                int newNumericValue = tempChar;
                                newNumericValue += 3;
                                char newTempChar = (char) newNumericValue;
                                testResultCipher += newTempChar;
                            }
                        }
                        testResultCipher += "\n";
                        lineAmount++;
                        printerObscure.print(testResultCipher);
                    }
                    break;

                case "2":
                    lineAmount = 0;
                    while (fileOutScan.hasNextLine()) {
                        testResultReadable = "";
                        if (lineAmount == 100) {
                            break;
                        }
                        String currentLine = fileOutScan.nextLine();
                        if (currentLine.length() == 0) {
                        } else if (isInteger(currentLine)) {
                            testResultReadable += currentLine;
                        } else {
                            for (int i = 0; i < currentLine.length(); i++) {
                                char tempChar = currentLine.charAt(i);
                                int newNumericValue = tempChar;
                                newNumericValue += -3;
                                char newTempChar = (char) newNumericValue;
                                testResultReadable += newTempChar;
                            }
                        }
                        testResultReadable += "\n";
                        lineAmount++;
                        printerReadable.print(testResultReadable);
                    }
                    break;

                    default:
                        System.out.println("That is not an option.");
                        break;
            }
        }

    }
}