/* Copyright 2013-2018 MultiMC Contributors
 *
 * 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.
 */

#include "MultiMC.h"
#include "NewComponentDialog.h"
#include "ui_NewComponentDialog.h"

#include <BaseVersion.h>
#include <icons/IconList.h>
#include <tasks/Task.h>
#include <InstanceList.h>

#include "VersionSelectDialog.h"
#include "ProgressDialog.h"
#include "IconPickerDialog.h"

#include <QLayout>
#include <QPushButton>
#include <QFileDialog>
#include <QValidator>

#include <meta/Index.h>
#include <meta/VersionList.h>

NewComponentDialog::NewComponentDialog(const QString & initialName, const QString & initialUid, QWidget *parent)
	: QDialog(parent), ui(new Ui::NewComponentDialog)
{
	ui->setupUi(this);
	resize(minimumSizeHint());

	ui->nameTextBox->setText(initialName);
	ui->uidTextBox->setText(initialUid);

	connect(ui->nameTextBox, &QLineEdit::textChanged, this, &NewComponentDialog::updateDialogState);
	connect(ui->uidTextBox, &QLineEdit::textChanged, this, &NewComponentDialog::updateDialogState);

	auto groups = MMC->instances()->getGroups().toSet();
	ui->nameTextBox->setFocus();

	originalPlaceholderText = ui->uidTextBox->placeholderText();
	updateDialogState();
}

NewComponentDialog::~NewComponentDialog()
{
	delete ui;
}

void NewComponentDialog::updateDialogState()
{
	auto protoUid = ui->nameTextBox->text().toLower();
	protoUid.remove(QRegularExpression("[^a-z]"));
	if(protoUid.isEmpty())
	{
		ui->uidTextBox->setPlaceholderText(originalPlaceholderText);
	}
	else
	{
		QString suggestedUid = "org.multimc.custom." + protoUid;
		ui->uidTextBox->setPlaceholderText(suggestedUid);
	}
	bool allowOK = !name().isEmpty() && !uid().isEmpty() && !uidBlacklist.contains(uid());
	ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(allowOK);
}

QString NewComponentDialog::name() const
{
	auto result = ui->nameTextBox->text();
	if(result.size())
	{
		return result.trimmed();
	}
	return QString();
}

QString NewComponentDialog::uid() const
{
	auto result = ui->uidTextBox->text();
	if(result.size())
	{
		return result.trimmed();
	}
	result = ui->uidTextBox->placeholderText();
	if(result.size() && result != originalPlaceholderText)
	{
		return result.trimmed();
	}
	return QString();
}

void NewComponentDialog::setBlacklist(QStringList badUids)
{
	uidBlacklist = badUids;
}