import java.io.*;
public class PlayerManager {
	boolean loggedIn;

	//start userInfo
	String user = "";
	String pass = "";
	String info = "";

	public void setUsername(String s) {
		user = s;
	}
	public String getUsername() {
		return user;
	}
	public void setPass(String s) {
		pass = s;
	}
	public String getPassword() {
		return pass;
	}
	public void setInfo(String s) {
		info = s.substring(12, s.length());
	}
	public String getInfo() {
		return info;
	}
	//end user info

	//start login
	public void createPlayer(String userName, String passWord, File f) {
		try {
			f.createNewFile();
			BufferedWriter writer = new BufferedWriter(new FileWriter("./Players/"+userName+".txt"));
			String pWrite = "Password = "+passWord;
			writer.write(pWrite, 0, pWrite.length());
			writer.newLine();
			writer.close();
			user = userName;
			System.out.println("Created new account under: "+userName+":"+passWord);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public void login(String userName, String passWord) {
		setUsername(userName);
		try {
			File f = new File("./Players/"+userName+".txt");
			boolean exist = f.createNewFile();
			if(exist) {
				createPlayer(userName, passWord, f);
			}
			else {
			BufferedReader reader = new BufferedReader(new FileReader(f));
			String pwLine = reader.readLine();
			String realPW = "";
			if(pwLine.startsWith("Password")) {
				realPW = pwLine.substring(11, pwLine.length());
			}
			if(realPW.equalsIgnoreCase(passWord)) {
				System.out.println("You have logged in under "+userName);
				setPass(realPW);
				loggedIn = true;
			}
			else if(!realPW.equalsIgnoreCase(passWord)) {
				System.out.println("Incorrect Password");
				loggedIn = false;
			}
		}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public boolean isLoggedIn() {
		if(loggedIn) {
		return true;
		}
		else
		return false;
	}
	//end login

	//writing
	public void update() {
		if(loggedIn) {
			File f = new File("./Players/"+getUsername()+".txt.");
			try {
			BufferedReader reader = new BufferedReader(new FileReader(f));
			int i = 0;
			for(i = 0; reader.readLine() != null; i++) {
				System.out.println("Trying to readLine "+i);
			}
			String[] lines = new String[i];
			BufferedReader read = new BufferedReader(new FileReader(f));
			for(int x = 0; x <= i; x++) {
				lines[x] = read.readLine();
			}
			setPass(lines[0]);
			setInfo(lines[1]);
			} catch (Exception e) {
				e.printStackTrace();
			}
 		}
	}
	public int getLines(File f) {
		if(loggedIn) {
			try {
				BufferedReader reader = new BufferedReader(new FileReader(f));
				int i = 0;

				for(i = 0; reader.readLine() != null; i++) {
					//System.out.println("Trying to readLine "+i);
				}
				//System.out.println(i);
				return i;
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		else {
			System.out.println("Error not logged in");
		}
		return 0;
	}
	public void changePass(String s) {
		String newPW = "Password = "+s;
		writeLines(0, newPW);
	}
	public void writeLines(int x, String s) {
		if(loggedIn) {
		File f = new File("./Players/"+getUsername()+".txt.");
			try {
				int y = getLines(f);
				//System.out.println(y);
				String[] linesArray = new String[y];
				if(x <= y) {
					BufferedReader reader = new BufferedReader(new FileReader(f));
					for (int i = 0; i < y; i++) {
						linesArray[i] = reader.readLine();
						//System.out.println("DEBUG: "+linesArray[i]);
					}
					BufferedWriter writer = new BufferedWriter(new FileWriter(f));
					for (int i = 0; i < y; i++) {
						if(i == x) {
							writer.write(s, 0, s.length());
							writer.newLine();
						}
						else {
							writer.write(linesArray[i], 0, linesArray[i].length());
							writer.newLine();
						}
					}
					writer.close();
				}
				else {
					System.out.println("Not that many lines");
				}
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		else {
			System.out.println("Not logged in error");
		}
	}
	public void newWrite(String s) {
		if(loggedIn) {
			File f = new File("./Players/"+getUsername()+".txt.");
			try {

			} catch (Exception e) {
				e.printStackTrace();
			}
 		}
	}
	public void write(String s) {
		if(loggedIn) {
			File f = new File("./Players/"+user+".txt");
			try {
				if(!f.createNewFile()) {
					BufferedWriter writer = new BufferedWriter(new FileWriter(f));
					String pWrite = "Password = "+getPassword();
					String iWrite = "WriteTest = " + s;
					setInfo(iWrite);
					writer.write(pWrite, 0, pWrite.length());
					writer.newLine();
					writer.write(iWrite, 0, iWrite.length());
					writer.close();
					System.out.println("Wrote under "+user);
				}
			}
			catch (Exception e) {
				e.printStackTrace();
			}
		}
	}
	//end writing

}