import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Scanner;

public class susie {
    int user = 0;
    String userString = "";
    String[] errors = new String[2];
    int i = 0;
    File textDataFile = new File("TextData.txt");
    File userSettingsFile = new File("Settings.txt");
    String message = "";
    String subject = "";
    // Define the time and date
    static Calendar calendar = new GregorianCalendar();
    // Used to prompt for user input
    InputStreamReader istream = new InputStreamReader(System.in);
    BufferedReader bufRead = new BufferedReader(istream);

    // Check for the files - returns false if they don't exist
    public boolean checkForFiles() {
        if (!textDataFile.exists()) {
            errors[0] = ("We were not able to find the user data file in the current directory.");
            return false;
        }
        if (!userSettingsFile.exists()) {
            errors[1] = ("We were not able to find the user settings file in the current directory.");
            return false;
        }
        return true;
    }

    // Check if there are errors - return true/false
    public boolean checkForErrors() {
        if (errors[0] != null) {
            return true;
        }
        return false;
    }

    // Return errors in array form
    public String[] returnErrors() {
        return errors;
    }

    // create the text data file since it does not exist
    public void createTextDataFile() {
        try {
            // Create file
            FileWriter stream = new FileWriter("TextData.txt");
            BufferedWriter out = new BufferedWriter(stream);
            // Close the output stream
            out.close();
        } catch (Exception e) {// Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }
        this.checkForFiles();
    }

    // create the text data file since it does not exist
    public void createSettingsFile() {
        try {
            // Create file
            FileWriter stream = new FileWriter("Settings.txt");
            BufferedWriter out = new BufferedWriter(stream);
            // Close the output stream
            out.close();
        } catch (Exception e) {// Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }
        this.checkForFiles();
    }

    public void sendMessage() {
        try {
            // Message
            System.out.println("Message: ");
            message = bufRead.readLine();
            while (message.isEmpty()) {
                System.out
                        .println("Please fill in this field before continuing!");
                System.out.println("Message: ");
                message = bufRead.readLine();
            }
            // Confirmation of text sent
            System.out
                    .println("\n------------------------\n\nSummary of message sent:\nSubject: "
                            + subject + "\nMessage: " + message);
        } catch (IOException err) {
            System.out.println("Error reading line(s).");
        }
    }

    // Get the current time/date, and return it as a string
    public static String getTimeStamp() {
        // Get the current time/date
        String am_pm;
        int hour = calendar.get(Calendar.HOUR);
        int minute = calendar.get(Calendar.MINUTE);
        int second = calendar.get(Calendar.SECOND);

        String hourString = Integer.toString(hour);
        String minuteString = Integer.toString(minute);
        String secondString = Integer.toString(second);

        if (calendar.get(Calendar.AM_PM) == 0)
            am_pm = "AM";
        else
            am_pm = "PM";
        String timeStamp = hourString + ":" + minuteString + ":" + secondString;

        return timeStamp;
    }

    public void writeToTextData() {
        try {
            BufferedWriter out = new BufferedWriter(new FileWriter(
                    "TextData.txt", true));

            out.write("\r\n" + user + "Ø" + hour + minute + second + am_pm
                    + "Ø");
            out.write(message);
            out.close();
        } catch (Exception e) {
            System.err.println("\nError: " + e.getMessage());
        }
    }

    public int getUser() {
        // Get the user #
        if (userSettingsFile.exists()) {
            try {
                Scanner scanner = new Scanner(userSettingsFile);
                while (scanner.hasNextLine()) {
                    userString = scanner.nextLine();
                }
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }
        // Set the user #
        if (userString.equals("1")) {
            user = 1;
        } else if (userString.equals("2")) {
            user = 2;
        }
        return user;
    }

    public static void main(String[] args0) {
        // this method is only a place holder
    }

}