/*
 Copyright © 2017 Hasan Yavuz Özderya

 This file is part of serialplot.

 serialplot is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 serialplot is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with serialplot. If not, see <http://www.gnu.org/licenses/>.
*/

#include "commandwidget.h"
#include "ui_commandwidget.h"

#include <QRegExp>
#include <QRegExpValidator>
#include <QtDebug>
#include <QIcon>

CommandWidget::CommandWidget(QWidget *parent) :
 QWidget(parent),
 ui(new Ui::CommandWidget),
 _sendAction(this)
{
 ui->setupUi(this);

#ifdef Q_OS_WIN
 ui->pbDelete->setIcon(QIcon(":/icons/list-remove"));
#endif // Q_OS_WIN

 connect(ui->pbDelete, &QPushButton::clicked, this, &CommandWidget::onDeleteClicked);
 connect(ui->pbSend, &QPushButton::clicked, this, &CommandWidget::onSendClicked);
 connect(ui->pbASCII, &QPushButton::toggled, this, &CommandWidget::onASCIIToggled);
 connect(ui->leName, &QLineEdit::textChanged, [this](QString text)
 {
 this->_sendAction.setText(text);
 });
 connect(&_sendAction, &QAction::triggered, this, &CommandWidget::onSendClicked);
}

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

void CommandWidget::onDeleteClicked()
{
 this->deleteLater();
}

void CommandWidget::onSendClicked()
{
 auto command = ui->leCommand->text();

 if (command.isEmpty())
 {
 qWarning() << "Enter a command to send!";
 ui->leCommand->setFocus(Qt::OtherFocusReason);
 emit focusRequested();
 return;
 }

 if (isASCIIMode())
 {
 qDebug() << "Sending " << name() << ":" << command;
 emit sendCommand(ui->leCommand->unEscapedText().toLatin1());
 }
 else // hex mode
 {
 command = command.remove(' ');
 // check if nibbles are missing
 if (command.size() % 2 == 1)
 {
 qWarning() << "HEX command is missing a nibble at the end!";
 ui->leCommand->setFocus(Qt::OtherFocusReason);
 // highlight the byte that is missing a nibble (last byte obviously)
 int textSize = ui->leCommand->text().size();
 ui->leCommand->setSelection(textSize-1, textSize);
 return;
 }
 qDebug() << "Sending HEX:" << command;
 emit sendCommand(QByteArray::fromHex(command.toLatin1()));
 }
}

void CommandWidget::onASCIIToggled(bool checked)
{
 ui->leCommand->setMode(checked);
}

bool CommandWidget::isASCIIMode()
{
 return ui->pbASCII->isChecked();
}

void CommandWidget::setASCIIMode(bool enabled)
{
 if (enabled)
 {
 ui->pbASCII->setChecked(true);
 }
 else
 {
 ui->pbHEX->setChecked(true);
 }
}

void CommandWidget::setName(QString name)
{
 ui->leName->setText(name);
}

QString CommandWidget::name()
{
 return ui->leName->text();
}

void CommandWidget::setFocusToEdit()
{
 ui->leCommand->setFocus(Qt::OtherFocusReason);
}

QAction* CommandWidget::sendAction()
{
 return &_sendAction;
}

QString CommandWidget::commandText()
{
 return ui->leCommand->text();
}

void CommandWidget::setCommandText(QString str)
{
 ui->leCommand->selectAll();
 ui->leCommand->insert(str);
}