import java.io.*;
import java.util.*; // Added this for get Time Class

/**
 * The logging component of the project
 * @author Akbar Sherwani 
 * @version v0.2
 */



public class Logger
{
    private File file;
    private FileWriter fWriter;
    private BufferedWriter writer;
    private boolean logging;

    /**
     * 
     * Constructor for objects of class Logger. Takes an object of type File
     * Logging is set to true.
     * 
     */
    public Logger(File file1) throws IOException, NullPointerException 
    {
    	File dir = new File("Testing Output");
    	dir.mkdir();
        file = new File(dir, file1.getName());
        logging = true;
        write("Testing Log Started " + getTime(), 0);
    }
    
    /**
     * 
     * Receives a string, that it should right to the next line in the file.
     * Checks again that logging is true.
     *
     * @param The message to be written to file.
     * @param Time in match
     */    
    public void write(String toFile, int time) 
    {
        if(logging) {
            try{
                fWriter = new FileWriter(file, true);
                writer = new BufferedWriter(fWriter);
                // write to file
                //writer.write(getTime());
                writer.write(""+ time);
                writer.write(": ");
                writer.write(toFile);
                writer.newLine();
                writer.flush();
                writer.close();
                }
           catch(IOException e){ System.out.println("IOException in Logger.write() method:" + e);  }
           
           
           

       }
    }
    
    /**
     * 
     * Creates a string with the current time and date.
     * @return A string in the format HH:MM:SS DD.MM.YYYY
     * 
     */    
      private String getTime(){
            Calendar timeStamp = Calendar.getInstance();
            int hour = timeStamp.get(Calendar.HOUR_OF_DAY);
            String hourString = Integer.toString(hour);
            int min = timeStamp.get(Calendar.MINUTE);
            String minString = Integer.toString(min);
            int sec = timeStamp.get(Calendar.SECOND);
            String secString = Integer.toString(sec);
            int day = timeStamp.get(Calendar.DAY_OF_MONTH);
            String dayString = Integer.toString(day);
            int month = timeStamp.get(Calendar.MONTH) + 1; //Java takes January as 0 and December as 11. So +1 is required.
            String monthString = Integer.toString(month);
            int year = timeStamp.get(Calendar.YEAR);
            String yearString = Integer.toString(year);
            // The if statement pads this out so the seconds, minutes, days and months are always 2 digits.
            if (secString.length() == 1) { secString = "0" + secString; }
            if (minString.length() == 1) { minString = "0" + minString; }
            if (dayString.length() == 1) { dayString = "0" + dayString; }
            if (monthString.length() == 1) { monthString = "0" + monthString; }
            String time = hourString +":"+ minString +":"+ secString + " " + dayString + "." + monthString + "." + yearString;
            return time;
     }
}