#include "DetailedTown.h"

#include <QApplication>
#include <QDir>
#include <QFileInfoList>
#include <QFileInfo>
#include <QStringList>
#include <QKeyEvent>

#include "MainWindow.h"

#include "DetailedWidget/MatianWidget.h"
#include "DetailedWidget/YangjiaoWidget.h"
#include "DetailedWidget/HanwangWidget.h"
#include "DetailedWidget/QinquanWidget.h"
#include "DetailedWidget/GuaierWidget.h"
#include "DetailedWidget/ShixiaWidget.h"
#include "DetailedWidget/LiaoyangWidget.h"
#include "DetailedWidget/TongyuWidget.h"

#include "ui_DetailedTown.h"


DetailedTown::DetailedTown(MainWindow *parent) :
    PageBaseWidget(parent),
    ui(new Ui::DetailedTown)
{
    ui->setupUi(this);

    connect(ui->btn_last, &QPushButton::clicked, this, &DetailedTown::OnShowLast);
    connect(ui->btn_return, &QPushButton::clicked, this, &DetailedTown::OnEnterHome);
    connect(ui->btn_next, &QPushButton::clicked, this, &DetailedTown::OnShowNext);

	InitDetailedWidget();
	InitLastNextButton();

	InitSequenceFrame();
	ShowIndex(static_cast<DetailedType>(m_current));
}

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

void DetailedTown::SetCurrent(DetailedType dt) {
	if (ShowIndex(dt)) {
		m_current = static_cast<int32_t>(dt);
	}
}

void DetailedTown::SetSequencePos(const QPoint& pos) {
	if (nullptr == sequenceFrame_) {
		qDebug() << __func__ << "sequenceFrame_ is nullptr";
		return;
	}
	
	//if (pos == QPoint(0, 0)) {
	//	return;
	//}
	sequenceFrame_->move(pos);
	sequenceFrame_->show();
}

void DetailedTown::keyPressEvent(QKeyEvent* event) {
	return;
    QPoint pos = sequenceFrame_->pos();
	if (event->key() == Qt::Key_A) {
		pos += QPoint(-1, 0);
	} else if (event->key() == Qt::Key_D) {
		pos += QPoint(1, 0);
	} else if (event->key() == Qt::Key_W) {
		pos += QPoint(0, -1);
	} else if (event->key() == Qt::Key_S) {
		pos += QPoint(0, +1);
	} else if (event->key() == Qt::Key_T) {
		MainWindow::Get().SaveConfig();
		return;
	} else if (event->key() == Qt::Key_Y) {
		keyYPressed = true;
	}
	sequenceFrame_->move(pos);
	if (nullptr != currentMediaInfo_) {
		currentMediaInfo_->landmark = pos;
	}
}

void DetailedTown::keyReleaseEvent(QKeyEvent* event) {
	return;
	keyYPressed = false;
}

void DetailedTown::mouseReleaseEvent(QMouseEvent* event) {
	return;
	if (!keyYPressed) {
		return;
	}

	sequenceFrame_->move(event->pos() - QPoint(130, 152));
}

void DetailedTown::OnShowLast() {
	MainWindow::Get().PlayAudio();
	int last = m_current - 1;
	if (ShowIndex(static_cast<DetailedType>(last))) {
		m_current = last;
	}
}

void DetailedTown::OnShowNext() {
	MainWindow::Get().PlayAudio();
	int next = m_current + 1;
	if (ShowIndex(static_cast<DetailedType>(next))) {
		m_current = next;
	}
	
}

void DetailedTown::OnEnterHome() {
	MainWindow::Get().PlayAudio();
	MainWindow* mainWindow = GetParentWidget();
	if (nullptr == mainWindow) {
		qDebug() << __FUNCTION__ << "widget is nullptr";
		return;
	}

	mainWindow->SwitchToPage(PageBaseWidget::PageType::PT_HomeWidget);
}

void DetailedTown::InitDetailedWidget() {
	DetailedBaseWidget* widget = new MatianWidget(this);
	AddDetailedWidget(widget);
	widget = new YangjiaoWidget(this);
	AddDetailedWidget(widget);
	widget = new HanwangWidget(this);
	AddDetailedWidget(widget);
	widget = new QinquanWidget(this);
	AddDetailedWidget(widget);
	widget = new GuaierWidget(this);
	AddDetailedWidget(widget);
	widget = new ShixiaWidget(this);
	AddDetailedWidget(widget);
	widget = new LiaoyangWidget(this);
	AddDetailedWidget(widget);
	widget = new TongyuWidget(this);
	AddDetailedWidget(widget);
}

void DetailedTown::InitLastNextButton() {
	m_current = 0;
	ui->btn_last->hide();
	ui->btn_next->hide();

	if (!(static_cast<int>(m_detailedBaseWidgets.size()) > m_current)) {
		ui->btn_next->show();
	}
}

void DetailedTown::InitSequenceFrame() {
	const QString landmarkPath = QApplication::applicationDirPath() + "/sequence/landmark";

	QStringList pngFileList;
	QDir directory(landmarkPath);
	if (!directory.exists()) {
		qDebug() << "Directory does not exist: " << landmarkPath;
		return;
	}

	QFileInfoList entries = directory.entryInfoList(QStringList() << "*.png", QDir::Files | QDir::NoDotAndDotDot);

	for (const QFileInfo& entry : entries) {
		QString filePath = entry.absoluteFilePath();
		pngFileList.append(filePath);
	}

	sequenceFrame_ = new SequenceFrame(pngFileList, this);
	sequenceFrame_->raise();
	sequenceFrame_->setGeometry(0, 0, 260, 260);
	sequenceFrame_->move(752, 501);
	sequenceFrame_->hide();

}

bool DetailedTown::ShowIndex(DetailedType dt) {
	if (nullptr != sequenceFrame_) {
		sequenceFrame_->hide();
	}

	if (!m_detailedBaseWidgets.contains(dt)) {
		return false;
	}

	for (auto item : m_detailedBaseWidgets) {
		if (dt == item->GetDetailedType()) {
			item->show();
		}
		else {
			item->hide();
		}
	}

	int32_t index = static_cast<int32_t>(dt);
	if (0 == index) {
		ui->btn_last->hide();
	}
	else {
		ui->btn_last->show();
	}

	if (m_detailedBaseWidgets.size() > index + 1) {
		ui->btn_next->show();
	}
	else {
		ui->btn_next->hide();
	}
	return true;
}

void DetailedTown::AddDetailedWidget(DetailedBaseWidget* widget) {
	m_detailedBaseWidgets.insert(widget->GetDetailedType(), widget);
	ui->mainLayout->addWidget(widget);
}