EditText txtUsername;
EditText txtPassword;
Button btnLogin;
TextView txtSignup;

Context _context;

String username;
String password;
String stored;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    if(savedInstanceState!=null){
        username = savedInstanceState.getString("username");
        password = savedInstanceState.getString("password");
    }

    txtUsername = (EditText)findViewById(R.id.editUsername);
    txtPassword = (EditText)findViewById(R.id.editPassword);
    btnLogin = (Button)findViewById(R.id.btnSignIn);
    txtSignup = (TextView)findViewById(R.id.txtCreateAccount);

    txtUsername.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            txtUsername.setHint("");
            return false;
        }
    });

    txtPassword.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            txtPassword.setHint("");
            return false;
        }
    });

    btnLogin.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            username = txtUsername.getText().toString();
            password = txtPassword.getText().toString();
            LoginDbAdapter loginDbAdapter = new LoginDbAdapter(_context);
            stored = loginDbAdapter.getSingleEntry(username);

            if(password.equals(stored)){
                Intent intent = new Intent(getApplicationContext(), HomeActivity.class);
                startActivity(intent);
            }
            else{
                Toast.makeText(getApplicationContext(), "Användarnamn och lösenord matcher inte.", Toast.LENGTH_SHORT).show();
            }
        }
    });

    txtSignup.setOnClickListener(new View.OnClickListener() {


        @Override
        public void onClick(View v) {
        RegisterFragment registerFragment = new RegisterFragment();
        registerFragment.setStyle(DialogFragment.STYLE_NO_TITLE, 0);
        registerFragment.show(getFragmentManager(), "dialog");

            }
    });
}

protected void onRestoreInstanceState(Bundle savedInstanceState)
{
    super.onRestoreInstanceState(savedInstanceState);
    txtUsername = (EditText) findViewById(R.id.editUsername);
    txtPassword = (EditText)findViewById(R.id.editPassword);
    CharSequence usr = savedInstanceState.getCharSequence("username");
    CharSequence psw = savedInstanceState.getCharSequence("password");
    txtUsername.setText(usr);
    txtPassword.setText(psw);
}

protected void onSaveInstanceState(Bundle outState){
    super.onSaveInstanceState(outState);
    txtUsername = (EditText)findViewById(R.id.editUsername);
    txtPassword = (EditText)findViewById(R.id.editPassword);
    CharSequence usr = txtUsername.getText();
    CharSequence psw = txtPassword.getText();
    outState.putCharSequence("username", usr);
    outState.putCharSequence("password", psw);
}

EditText regUserName;
EditText regEmail;
EditText regPass;
EditText regPassTwo;
Button register;
Button cancel;

LoginDbAdapter loginDbAdapter;

String userName;
String email;
String password;
String passwordTwo;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    View view = inflater.inflate(R.layout.register_fragment, container, false);

    if(savedInstanceState!=null){
        userName = savedInstanceState.getString("username");
        email = savedInstanceState.getString("email");
        password = savedInstanceState.getString("password");
        passwordTwo = savedInstanceState.getString("password2");
    }


    regUserName = (EditText) view.findViewById(R.id.reg_username);
    regEmail = (EditText) view.findViewById(R.id.reg_email);
    regPass = (EditText) view.findViewById(R.id.reg_pass);
    regPassTwo = (EditText) view.findViewById(R.id.reg_pass_two);
    register = (Button)view.findViewById(R.id.btnRegistera);
    cancel = (Button)view.findViewById(R.id.btnCancel);

    register.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {

            userName = regUserName.getText().toString();
            email = regEmail.getText().toString();
            password = regPass.getText().toString();
            passwordTwo = regPassTwo.getText().toString();

            if(userName.equals("")|| email.equals("")||
               password.equals("")|| passwordTwo.equals("")){
                Toast.makeText(getActivity().getApplicationContext(), "Var god fyll i alla fält.", Toast.LENGTH_SHORT).show();
                //return;
            }
            if (!password.equals(passwordTwo)){
                Toast.makeText(getActivity().getApplicationContext(), "Lösenorden matchar inte.", Toast.LENGTH_SHORT).show();
                //return;
            }
            if(!email.contains("@")){
                Toast.makeText(getActivity().getApplicationContext(), "Ogiltig email.", Toast.LENGTH_SHORT).show();
                //return;
            }
            else{
                loginDbAdapter.insertEntry(userName, password, email);
                Toast.makeText(getActivity().getApplicationContext(), "Registreringen lyckades", Toast.LENGTH_SHORT).show();
            }

        }
    });

    cancel.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {

        getActivity().getFragmentManager().popBackStack();
        loginDbAdapter.close();

        }
    });



    return view;
}


@Override
public void onDestroyView(){
    super.onDestroyView();
    loginDbAdapter.close();
}

@Override
public void onSaveInstanceState(Bundle savedInstanceState){
    super.onSaveInstanceState(savedInstanceState);

    CharSequence usr = regUserName.getText().toString();
    CharSequence mail = regEmail.getText().toString();
    CharSequence pass = regPass.getText().toString();
    CharSequence passT = regPassTwo.getText().toString();

    savedInstanceState.putCharSequence("username", usr);
    savedInstanceState.putCharSequence("email", mail);
    savedInstanceState.putCharSequence("password", pass);
    savedInstanceState.putCharSequence("password2", passT);
}