#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 <QFramelessWindow.h>

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

#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);
}

///
/// @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)
{
    setCurrentWidget(m_view->widget(index), popOut);
}

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

MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
{
    initialize();
    initWindow();
    initLayout();
    initNavigation();
    connectSignalsAndSlots();
}

MainWindow::~MainWindow() { }

void MainWindow::initialize()
{
    m_titleBar = new CustomTitleBar(this);

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

    m_homeView         = new HomeView(this);
    m_loginView        = new LoginView(this);
    m_projectView      = new ProjectView(this);
    m_evaluateView     = new EvaluateView(this);
    m_expertManageView = new ExpertManageView(this);
    m_aboutView        = new AboutView(this);
}

void MainWindow::initWindow()
{
    setMinimumSize(QSize(1000, 800));

    QFramelessHelper *helper = new QFramelessHelper(this);
    helper->setTitleBar(m_titleBar);

    QWidget *w   = new QWidget();
    m_hBoxLayout = new QHBoxLayout(w);
    setCentralWidget(w);

    m_titleBar->setGeometry(QRect(titleBarIndent(), 0, width() - titleBarIndent(), m_titleBar->height()));
    setWindowTitle("专家评定数据分析软件");

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

void MainWindow::initLayout()
{
    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);
}

void MainWindow::initNavigation()
{
    m_homeView->setObjectName("homeView");
    m_stackWidget->addWidget(m_homeView);
    m_naviInterface->addItem(m_homeView->objectName(), NEWFLICON(FluentIcon, HOME), "首页", this,
                             SLOT(homeViewClicked()));

    m_projectView->setObjectName("projectView");
    m_stackWidget->addWidget(m_projectView);
    m_naviInterface->addItem(m_projectView->objectName(), NEWFLICON(FluentIcon, DOCUMENT), "工程", this,
                             SLOT(projectViewClicked()));

    m_expertManageView->setObjectName("expertManageView");
    m_stackWidget->addWidget(m_expertManageView);
    m_naviInterface->addItem(m_expertManageView->objectName(), NEWFLICON(FluentIcon, SETTING), "专家信息管理", this,
                             SLOT(expertViewClicked()));

    m_evaluateView->setObjectName("evaluateView");
    m_stackWidget->addWidget(m_evaluateView);
    m_naviInterface->addItem(m_evaluateView->objectName(), NEWFLICON(FluentIcon, BOOK_SHELF), "评估数据分析", this,
                             SLOT(dataViewClicked()));

    m_naviInterface->addSeparator();

    m_loginView->setObjectName("loginView");
    m_stackWidget->addWidget(m_loginView);
    m_naviInterface->addItem(m_loginView->objectName(), NEWFLICON(FluentIcon, HEART), "用户", this,
                             SLOT(loginViewClicked()), 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(aboutViewClicked()), true, NavigationItemPosition::BOTTOM);

    m_naviInterface->setDefaultRouteKey(m_homeView->objectName());

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

void MainWindow::connectSignalsAndSlots()
{
    connect(m_naviInterface, &NavigationInterface::displayModeChanged, m_titleBar, &StandardTitleBar::raise);
}

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

int MainWindow::titleBarIndent() const
{
    return m_naviInterface->isHidden() ? 0 : 46;
}

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

void MainWindow::switchTo(QWidget *widget, bool triggerByUser)
{
    qDebug() << __FUNCTION__ << __LINE__;
    m_stackWidget->setCurrentWidget(widget, !triggerByUser);
}

void MainWindow::homeViewClicked()
{
    switchTo(m_homeView);
}

void MainWindow::loginViewClicked()
{
    switchTo(m_loginView);
}

void MainWindow::projectViewClicked()
{
    switchTo(m_projectView);
}

void MainWindow::expertViewClicked()
{
    switchTo(m_expertManageView);
}

void MainWindow::aboutViewClicked()
{
    switchTo(m_aboutView);
}

void MainWindow::dataViewClicked()
{
    switchTo(m_evaluateView);
}