/*
 * Olive Community Edition - Non-Linear Video Editor
 * Copyright (C) 2025 Olive CE Team
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "taskviewitem.h"

#include <QDateTime>
#include <QVBoxLayout>

#include "ui/icons/icons.h"

namespace olive
{

TaskViewItem::TaskViewItem(Task *task, QWidget *parent)
	: QFrame(parent)
	, task_(task)
{
	// Draw border around this item
	setFrameShape(QFrame::StyledPanel);

	// Create layout
	QVBoxLayout *layout = new QVBoxLayout(this);

	// Create header label
	task_name_lbl_ = new QLabel(this);
	task_name_lbl_->setText(task_->GetTitle());
	layout->addWidget(task_name_lbl_);

	// Create center layout (combines progress bar and a cancel button)
	QHBoxLayout *middle_layout = new QHBoxLayout();
	layout->addLayout(middle_layout);

	// Create progress bar
	progress_bar_ = new QProgressBar(this);
	progress_bar_->setRange(0, 100);
	middle_layout->addWidget(progress_bar_);

	// Create cancel button
	cancel_btn_ = new QPushButton(this);
	cancel_btn_->setIcon(icon::Error);
	middle_layout->addWidget(cancel_btn_);

	// Create stack with error label and elapsed/remaining time
	status_stack_ = new QStackedWidget();
	status_stack_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
	layout->addWidget(status_stack_);

	// Create elapsed timer
	elapsed_timer_lbl_ = new ElapsedCounterWidget();
	status_stack_->addWidget(elapsed_timer_lbl_);

	// Create error label
	task_error_lbl_ = new QLabel(this);
	status_stack_->addWidget(task_error_lbl_);

	// Set up elapsed timer
	status_stack_->setCurrentWidget(elapsed_timer_lbl_);

	// Connect to the task
	connect(task_, &Task::Started, elapsed_timer_lbl_,
			qOverload<qint64>(&ElapsedCounterWidget::Start));
	connect(task_, &Task::ProgressChanged, this, &TaskViewItem::UpdateProgress);
	connect(cancel_btn_, &QPushButton::clicked, this,
			[this] { emit TaskCancelled(task_); });
}

void TaskViewItem::Failed()
{
	status_stack_->setCurrentWidget(task_error_lbl_);
	task_error_lbl_->setStyleSheet("color: red");
	task_error_lbl_->setText(tr("Error: %1").arg(task_->GetError()));
}

void TaskViewItem::UpdateProgress(double d)
{
	progress_bar_->setValue(qRound(100.0 * d));
	elapsed_timer_lbl_->SetProgress(d);
}

}