/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  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 "FileBrowse.h"
#include "ui_FileBrowse.h"
#include "utils.h"
#include "config.h"
#include <QUrl>
#include <QDesktopServices>
#include <QMessageBox>
#include <QFile>
#include <QDir>
#include <QProcess>
#include <QScreen>
#include <QApplication>

#if defined(ANDROID)
#include <QJniObject>
#elif defined(IOS)
#include <ios/ios_launcher.h>
#endif

FileBrowse::FileBrowse(int fileFormat, QWidget *parent) 
: QDialog(parent)
, ui(new Ui::FileBrowse)
, m_bEditing(false)
, m_fileFormat(fileFormat)
{
    ui->setupUi(this);

    initDialog();
    connSignalSlot();
}

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

void FileBrowse::initDialog()
{
	QStringList filters;

	if (m_fileFormat == FILE_FORMAT_PIC)
	{
		filters << "*.jpg";
		m_basePath = getSnapshotPath();
		ui->labTips->setText(tr("Album"));
	}
	else
	{
		filters << "*.mp4";
		filters << "*.avi";
		m_basePath = getRecordPath();
		ui->labTips->setText(tr("Video"));
	}

	ui->labPath->setText(tr("Path") + QString(" : ") + m_basePath);
	
	m_pModel = new FileListModel(m_fileFormat, this);
	m_pModel->setNameFilters(filters);	
	m_pModel->setDirPath(m_basePath);

	ui->chkAll->setVisible(false);
	ui->fileList->setModel(m_pModel);

	showMaximized();
}

void FileBrowse::connSignalSlot()
{
	QObject::connect(ui->btnBack, SIGNAL(clicked()), this, SLOT(slotBack()));
	QObject::connect(ui->btnEdit, SIGNAL(clicked()), this, SLOT(slotEdit()));
	QObject::connect(ui->chkAll, SIGNAL(clicked(bool)), this, SLOT(slotCheckAll(bool)));
	QObject::connect(ui->fileList, SIGNAL(clicked(QModelIndex)), this, SLOT(slotItemClicked(QModelIndex)));
}

void FileBrowse::slotBack()
{
	close();
}

void FileBrowse::slotEdit()
{
	if (!m_bEditing)
	{
		m_bEditing = true;
		ui->chkAll->setVisible(true);
		m_pModel->setCheckable(true);
	}
	else
	{
		deleteSelectedFiles();
		
		m_bEditing = false;
		ui->chkAll->setVisible(false);
		m_pModel->setCheckable(false);
	}
}

void FileBrowse::slotCheckAll(bool flag)
{
	int row = m_pModel->rowCount();
	QModelIndex index;
	
	for (int i = 0; i < row; i++)
	{
		index = m_pModel->index(i);
		m_pModel->setData(index, flag, Qt::CheckStateRole);
	}
}

void FileBrowse::slotItemClicked(QModelIndex index)
{
	if (m_bEditing)
	{
		int flag = m_pModel->data(index, Qt::CheckStateRole).toInt();
		if (flag == Qt::Checked)
		{
			m_pModel->setData(index, false, Qt::CheckStateRole);
		}
		else
		{
			m_pModel->setData(index, true, Qt::CheckStateRole);
		}
	}
	else
	{
		QString name = m_pModel->data(index, Qt::DisplayRole).toString();
        QString path = m_basePath + "/" + name;
        
#if defined(ANDROID)		
		QJniObject str = QJniObject::fromString(path);
		QJniObject provider = QJniObject::fromString(FILE_PROVIDER);
    	QJniObject::callStaticMethod<void>("org/happytimesoft/util/HtUtil", 
    	    "openFile", 
    		"(Landroid/content/Context;Ljava/lang/String;Ljava/lang/String;)V",
            QNativeInterface::QAndroidApplication::context(),
    		str.object<jstring>(),
    		provider.object<jstring>());
#elif defined(IOS)
		iosLaunchFile(path);
#endif
	}
}

void FileBrowse::deleteSelectedFiles()
{
	int flag;
	int row = m_pModel->rowCount();
	QModelIndex index;
	
	for (int i = row - 1; i >= 0; i--)
	{
		index = m_pModel->index(i);
		flag = m_pModel->data(index, Qt::CheckStateRole).toInt();
		if (flag == Qt::Checked)
		{
			QString name = m_pModel->data(index, Qt::DisplayRole).toString();
			QString path = m_basePath + "/" + name;

			QFile::remove(path);

			m_pModel->removeRows(i, 1, index.parent());
		}	
	}
}