/*
 * FreeOTP
 *
 * Authors: Nathaniel McCallum <npmccallum@redhat.com>
 *
 * Copyright (C) 2013  Nathaniel McCallum, Red Hat
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.fedorahosted.freeotp;

import android.app.AlertDialog;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.Button;
import android.widget.EditText;

public class ManualTextWatcher implements TextWatcher {
	private final Button mButton;
	private final EditText mIssuer;
	private final EditText mLabel;
	private final EditText mSecret;
	private final EditText mInterval;

	public ManualTextWatcher(AlertDialog dialog) {
		mButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
		mIssuer = (EditText) dialog.findViewById(R.id.issuer);
		mLabel = (EditText) dialog.findViewById(R.id.label);
		mSecret = (EditText) dialog.findViewById(R.id.secret);
		mInterval = (EditText) dialog.findViewById(R.id.interval);
	}

	@Override
	public void beforeTextChanged(CharSequence s, int start, int count, int after) {

	}

	@Override
	public void onTextChanged(CharSequence s, int start, int before, int count) {
		mButton.setEnabled(false);

		if (mIssuer.getText().length() == 0)
			return;

		if (mLabel.getText().length() == 0)
			return;

		if (mSecret.getText().length() == 0 ||
			mSecret.getText().length() % 8 != 0)
			return;

		if (mInterval.getText().length() == 0)
			return;

		mButton.setEnabled(true);
	}

	@Override
	public void afterTextChanged(Editable s) {

	}
}