#include "mainwindow.h"



#include <QFileDialog>


#include "global.h"
#include "GSH_OpenGLUnix.h"
#undef None

#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

WId MainWindow::getOpenGLPanel()
{
    return ui->openGLWidget->winId();
}

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

void MainWindow::initEmu(){
    g_virtualMachine = new CPS2VM();
    g_virtualMachine->Initialize();

    g_virtualMachine->CreateGSHandler(CGSH_OpenGLUnix::GetFactoryFunction(getOpenGLPanel()));

    g_virtualMachine->CreatePadHandler(CPH_HidUnix::GetFactoryFunction());
    padhandler = static_cast<CPH_HidUnix*>(g_virtualMachine->GetPadHandler());
}

void MainWindow::setOpenGlPanelSize()
{
    on_openGLWidget_resized();
}

void MainWindow::on_openGLWidget_resized()
{
    if (g_virtualMachine != nullptr && g_virtualMachine->m_ee != nullptr  && g_virtualMachine->m_ee->m_gs != nullptr )
        {

            GLint w = ui->openGLWidget->size().width(), h = ui->openGLWidget->size().height();

            CGSHandler::PRESENTATION_PARAMS presentationParams;
            presentationParams.mode 			= (CGSHandler::PRESENTATION_MODE)CAppConfig::GetInstance().GetPreferenceInteger(PREF_CGSHANDLER_PRESENTATION_MODE);
            presentationParams.windowWidth 		= w;
            presentationParams.windowHeight 	= h;
            g_virtualMachine->m_ee->m_gs->SetPresentationParams(presentationParams);
            g_virtualMachine->m_ee->m_gs->Flip();
        }
}

void MainWindow::on_actionOpen_Game_triggered()
{
    QFileDialog dialog(this);
    dialog.setFileMode(QFileDialog::ExistingFile);
    dialog.setNameFilter(tr("ISO/CSO/ISZ files (*.iso *cso *.isz)"));
    if (dialog.exec())
    {
        auto fileName = dialog.selectedFiles().first();
        CAppConfig::GetInstance().SetPreferenceString(PS2VM_CDROM0PATH, fileName.toStdString().c_str());
    }
}

void MainWindow::on_actionStart_Game_triggered()
{

    if (g_virtualMachine != nullptr)
    {
        g_virtualMachine->Pause();
        g_virtualMachine->Reset();
        g_virtualMachine->m_ee->m_os->BootFromCDROM();
        g_virtualMachine->Resume();
        setOpenGlPanelSize();
    }
}

void MainWindow::on_actionBoot_ELF_triggered()
{
    QFileDialog dialog(this);
    dialog.setFileMode(QFileDialog::ExistingFile);
    dialog.setNameFilter(tr("ELF files (*.elf)"));
    if (dialog.exec())
    {
        if (g_virtualMachine != nullptr)
        {
            auto fileName = dialog.selectedFiles().first();
            g_virtualMachine->Pause();
            g_virtualMachine->Reset();
            g_virtualMachine->m_ee->m_os->BootFromFile(fileName.toStdString().c_str());
            g_virtualMachine->Resume();
            setOpenGlPanelSize();
        }
    }
}

void MainWindow::on_actionExit_triggered()
{
    if (g_virtualMachine != nullptr)
    {
        g_virtualMachine->Pause();
        g_virtualMachine->DestroySoundHandler();
    }
    exit(0);
}


void MainWindow::keyPressEvent(QKeyEvent *event)
{
    if (padhandler != nullptr)
            padhandler->InputValueCallbackPressed(event->key());
}

void MainWindow::keyReleaseEvent(QKeyEvent *event)
{
    if (padhandler != nullptr)
            padhandler->InputValueCallbackReleased(event->key());
}