package cactusServer.models;

import javax.inject.Singleton;

import cactusServer.entities.Account;

import java.util.HashMap;
import java.util.HashSet;

@Singleton
public class Accounts {
	private static Accounts theInstance = null;
	private HashMap<String, Account> accounts = new HashMap<>();
	private HashSet<String> idSet = new HashSet<String>();

	private Accounts() {

	}

	public static Accounts getInstance() {
		if (theInstance == null) {
			theInstance = new Accounts();
		}
		return theInstance;
	}

	public Account createAcount(String userID, String userName, String userPass) {
		System.out.println(userName);
		if(!idSet.add(userID)) {
			return null;
		}
		Account newAccount = new Account(userName, userPass);
		accounts.put(userID, newAccount);
		System.out.println(userID);

		return newAccount;
	}

	public Account getAccount(String userID) {
		if(idSet.contains(userID)) {
			Account editAccount = accounts.get(userID);
			return editAccount;
		}else {
			return null;
		}
	}

	public Account loginAccount(String userID,String userPass) {
		if(idSet.contains(userID) && getAccount(userID).getPass().equals(userPass)) {
			Accounts.getInstance().getAccount(userID).setLogin(true);
			return getAccount(userID);
		}else {
			return null;
		}
	}
	
	public String logoutAccount(String userID) {
		if(idSet.contains(userID)) {
			Accounts.getInstance().getAccount(userID).setLogin(false);
			return "success";
		}else {
			return "null";
		}
	}
	
	public String deleteAccount(String userID) {
		if(idSet.contains(userID)) {
			accounts.remove(userID);
			idSet.remove(userID);
			return "complated remove account";
		}else {
			return "not exist";
		}
	}

}