#include "MainWindow.h"

#include "CustomTitleBar.h"
#include "HomeView.h"
#include "ProjectView.h"
#include "ExpertManageView.h"
#include "EvaluateView.h"
#include "LoginView.h"
#include "AboutView.h"
#include "SettingView.h"
#include "UserView.h"

#include "ProjectManager.h"

#include "dbService/ClassSet.h"

#include "QFDConfig.h"

#include "common/QFDIcon.h"
#include "QFDAlert.h"

#include <QFramelessWindow.h>

#include <Navigation/NavigationInterface.h>
#include <Widgets/StackedWidget.h>

#include <QApplication>

#include <QDebug>

StackedWidget::StackedWidget(QWidget *parent) : QFrame(parent)
{
    m_hBoxLayout = new QHBoxLayout(this);
    m_view       = new PopUpAniStackedWidget(this);

    m_hBoxLayout->setContentsMargins(0, 0, 0, 0);
    m_hBoxLayout->addWidget(m_view);

    connect(m_view, &PopUpAniStackedWidget::currentChanged, this,
            [this](int index) { emit currentWidgetChanged(m_view->widget(index)); });

    QPalette pal(palette());
    pal.setColor(QPalette::Background, QColor("#fffff8"));
    setAutoFillBackground(true);
    setPalette(pal);
}

void StackedWidget::addWidget(QWidget *widget)
{
    m_view->addWidget(widget);
}

QWidget *StackedWidget::widget(int index) const
{
    return m_view->widget(index);
}

void StackedWidget::removeWidget(QWidget *widget)
{
    m_view->removeWidget(widget);
}

///
/// @todo widget.verticalScrollBar().setValue(0)
///
void StackedWidget::setCurrentWidget(QWidget *widget, bool popOut)
{
    if (popOut) {
        m_view->setCurrentWidget(widget, true, false, 200, QEasingCurve::InQuad);
    } else {
        m_view->setCurrentWidget(widget, false, true, 300);
    }
}

void StackedWidget::setCurrentIndex(int index, bool popOut)
{
    if (index < 0 || index >= view()->count()) {
        return;
    }
    setCurrentWidget(m_view->widget(index), popOut);
}

PopUpAniStackedWidget *StackedWidget::view() const
{
    return m_view;
}

int StackedWidget::index(const QString routeKey)
{
    for (int i = 0; i < view()->count(); i++) {
        QWidget *w = view()->widget(i);
        if (w->objectName() == routeKey) {
            return i;
        }
    }
    return -1;
}

MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
{
    m_titleBar               = new CustomTitleBar(this);
    QFramelessHelper *helper = new QFramelessHelper(this);
    helper->setTitleBar(m_titleBar);

    setWindowTitle("伪装防护评估系统软件");

    QIcon icon = QIcon(":/resource/logo.png");
    qApp->setWindowIcon(icon);

    m_titleBar->setIcon(icon);

    m_mainStackedWidget = new QStackedWidget(this);
    setCentralWidget(m_mainStackedWidget);

    initLoginPage();

    setMinimumSize(QSize(1200, 900));
}

MainWindow::~MainWindow() { }

void MainWindow::initLoginPage()
{
    m_loginView = new LoginView(this);
    m_mainStackedWidget->addWidget(m_loginView);

    connect(m_loginView, &LoginView::signalLogin, this, &MainWindow::slotLogin);
    connect(m_loginView, &LoginView::signalCancelLogin, this, &MainWindow::slotCancelLogin);
}

void MainWindow::initMainPage()
{
    m_mainWidget = new QWidget(this);
    m_hBoxLayout = new QHBoxLayout(m_mainWidget);

    m_widgetLayout  = new QHBoxLayout();
    m_stackWidget   = new StackedWidget(m_mainWidget);
    m_naviInterface = new NavigationInterface(true, true, m_mainWidget);

    m_homeView = new HomeView(m_mainWidget);

    m_aboutView   = new AboutView(m_mainWidget);
    m_settingView = new SettingView(m_mainWidget);
    m_userView    = new UserView(m_mainWidget);

    m_mainStackedWidget->addWidget(m_mainWidget);

    m_hBoxLayout->setSpacing(0);
    m_hBoxLayout->setContentsMargins(0, 0, 0, 0);
    m_hBoxLayout->addWidget(m_naviInterface);
    m_hBoxLayout->addLayout(m_widgetLayout);
    m_hBoxLayout->setStretchFactor(m_widgetLayout, 1);

    m_widgetLayout->addWidget(m_stackWidget);
    m_widgetLayout->setContentsMargins(0, 32, 0, 0);

    initNavigation();
    m_naviInterface->panel->expand();

    connect(m_naviInterface, &NavigationInterface::displayModeChanged, m_titleBar, &StandardTitleBar::raise);
    connect(m_userView, &UserView::signalLogout, this, &MainWindow::slotLogout);
    connect(m_homeView, &HomeView::sigOpenProject, this, &MainWindow::slotOpenProject);
    connect(m_homeView, &HomeView::sigDeleteProject, this, &MainWindow::slotDeleteProject);
}

void MainWindow::initNavigation()
{
    m_homeView->setObjectName("homeView");
    m_stackWidget->addWidget(m_homeView);
    m_naviInterface->addItem(m_homeView->objectName(), NEWFLICON(FluentIcon, HOME), "评估项目管理", this,
                             SLOT(slotNaviItemClicked()));

    m_settingView->setObjectName("settingView");
    m_stackWidget->addWidget(m_settingView);
    m_naviInterface->addItem(m_settingView->objectName(), NEWFLICON(FluentIcon, SETTING), "系统资源管理", this,
                             SLOT(slotNaviItemClicked()));

    m_naviInterface->addSeparator();

    m_userView->setObjectName("userView");
    m_stackWidget->addWidget(m_userView);
    m_naviInterface->addItem(m_userView->objectName(), NEWFLICON(QFDIcon, User), "用户", this,
                             SLOT(slotNaviItemClicked()), true, NavigationItemPosition::BOTTOM);

    m_aboutView->setObjectName("aboutView");
    m_stackWidget->addWidget(m_aboutView);
    m_naviInterface->addItem(m_aboutView->objectName(), NEWFLICON(FluentIcon, INFO), "关于", this,
                             SLOT(slotNaviItemClicked()), true, NavigationItemPosition::BOTTOM);

    connect(m_stackWidget, &StackedWidget::currentWidgetChanged, this,
            [this](QWidget *w) { m_naviInterface->setCurrentItem(w->objectName()); });
    m_naviInterface->setDefaultRouteKey(m_homeView->objectName());
    m_naviInterface->setCurrentItem(m_homeView->objectName());
    m_stackWidget->setCurrentIndex(0);
}

void MainWindow::setNaviInterfaceHidden(bool hidden)
{
    m_naviInterface->setHidden(hidden);
    m_titleBar->setGeometry(QRect(titleBarIndent(), 0, width() - titleBarIndent(), m_titleBar->height()));
}

int MainWindow::titleBarIndent() const
{
    if (m_mainStackedWidget->currentIndex() > 0 && m_naviInterface != nullptr && m_naviInterface->isHidden() == false) {
        return 48;
    }
    return 0;
}

void MainWindow::resizeEvent(QResizeEvent *event)
{
    Q_UNUSED(event)
    m_titleBar->resize(width() - titleBarIndent(), m_titleBar->height());
}

void MainWindow::slotLogin()
{
    initMainPage();
    m_mainStackedWidget->setCurrentWidget(m_mainWidget);
    showMaximized();

    m_titleBar->setGeometry(QRect(titleBarIndent(), 0, width() - titleBarIndent(), m_titleBar->height()));
}

void MainWindow::slotLogout()
{
    qfReloadHomeProjectsAtShow = true;
    m_mainStackedWidget->setCurrentWidget(m_loginView);
    m_mainStackedWidget->removeWidget(m_mainWidget);
    delete m_mainWidget;
    m_mainWidget = nullptr;

    showNormal();
    m_titleBar->setGeometry(QRect(titleBarIndent(), 0, width() - titleBarIndent(), m_titleBar->height()));
}

void MainWindow::slotCancelLogin()
{
    exit(0);
}

void MainWindow::slotNaviItemClicked()
{
    int index = m_stackWidget->index(sender()->property("routeKey").toString());
    m_stackWidget->setCurrentIndex(index);
}

void MainWindow::slotOpenProject(ProjectInfo *proj)
{
    QList<ProjectManager::EvalType> l = ProjectManager::evalTypeList(*proj);
    if (l.count() <= 0) {
        QFDAlert::showAlertWithCode(QF_CODE_EVAL_NOT_SUPPORTED, this);
        return;
    }

    QString n = QString("project_%1").arg(proj->id);
    int index = m_stackWidget->index(n);
    if (index >= 0) {
        m_stackWidget->setCurrentIndex(index);
    } else {
        ProjectView *p = new ProjectView(proj, m_mainWidget);

        p->setObjectName(n);
        m_stackWidget->addWidget(p);

        QString t = QString("打开项目-%1").arg(proj->projectName);
        m_naviInterface->addItem(p->objectName(), NEWFLICON(QFDIcon, Project1), t, this, SLOT(slotNaviItemClicked()),
                                 true, NavigationItemPosition::SCROLL);
        m_stackWidget->setCurrentWidget(p);

        connect(p, &ProjectView::sigClose, this, &MainWindow::slotCloseProject);
    }
}

void MainWindow::slotCloseProject()
{
    ProjectView *p = dynamic_cast<ProjectView *>(sender());
    m_stackWidget->removeWidget(p);
    m_naviInterface->removeWidget(sender()->objectName());
    m_stackWidget->setCurrentIndex(0);
}

void MainWindow::slotDeleteProject(ProjectInfo *proj)
{
    QString n = QString("project_%1").arg(proj->id);
    int index = m_stackWidget->index(n);
    if (index >= 0) {
        QWidget *w = m_stackWidget->widget(index);
        m_stackWidget->removeWidget(w);
        m_naviInterface->removeWidget(n);
        m_stackWidget->setCurrentIndex(0);
    }
}