/*
 * Copyright (C) 2020, KylinSoft Co., Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "test_kyview.h"
#include <QApplication>
#include <QScreen>
#include <QDesktopWidget>
#include <QStackedWidget>
#include <QVBoxLayout>
#include <QMetaObject>
#include <QMetaMethod>
#include <gsettingmonitor.h>
#include <windowmanager/windowmanager.h>
#include <unistd.h>

// 测试初始化
void TestKyView::initTestCase()
{
    // 在所有测试开始前执行一次
}

// 每个测试前的初始化
void TestKyView::init()
{
    // 初始化测试环境
    m_kyView = nullptr;
}

// 测试构造函数
void TestKyView::testConstructor()
{
    // 测试构造函数是否能正常创建对象
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 检查窗口大小是否正确设置
    QCOMPARE(m_kyView->width(), 350);
    QCOMPARE(m_kyView->height(), 686);
    
    // 检查属性设置
    QVERIFY(m_kyView->testAttribute(Qt::WA_TranslucentBackground));
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试getInstance静态方法
void TestKyView::testGetInstance()
{
    // 测试单例模式是否正常工作
    KyView *instance1 = KyView::getInstance();
    KyView *instance2 = KyView::getInstance();
    
    QVERIFY(instance1 != nullptr);
    QVERIFY(instance2 != nullptr);
    QCOMPARE(instance1, instance2); // 确保是同一个实例
    
    // 检查访问名称是否正确设置
    QCOMPARE(instance1->accessibleName(), QString("kylin-ipmsg_KyView_instance"));
}

// 测试showList方法
void TestKyView::testShowList()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 调用showList方法
    m_kyView->showList();
    
    // 验证方法是否正常执行（不抛出异常）
    // 由于成员变量是私有的，我们无法直接访问它们进行验证
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试setWidgetUi方法
void TestKyView::testSetWidgetUi()
{
    // 覆盖 211-216 (HMode 和 VMode)
    GlobalData::getInstance()->m_currentMode = CurrentMode::HMode;
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    delete m_kyView;
    
    GlobalData::getInstance()->m_currentMode = CurrentMode::VMode;
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    delete m_kyView;
    
    // 恢复 PCMode
    GlobalData::getInstance()->m_currentMode = CurrentMode::PCMode;
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 调用setWidgetUi方法
    m_kyView->setWidgetUi();
    
    // 验证方法是否正常执行（不抛出异常）
    // 由于成员变量是私有的，我们无法直接访问它们进行验证
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试setWidgetStyle方法
void TestKyView::testSetWidgetStyle()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 先初始化组件
    m_kyView->setWidgetUi();
    
    // 调用setWidgetStyle方法
    m_kyView->setWidgetStyle();
    
    // 验证窗口标题是否正确设置
    QCOMPARE(m_kyView->windowTitle(), QString("Messages"));
    
    // 验证属性设置
    QVERIFY(m_kyView->testAttribute(Qt::WA_AlwaysShowToolTips));
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试initGsetting方法
void TestKyView::testInitGsetting()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 调用initGsetting方法
    m_kyView->initGsetting();
    
    // 验证方法是否正常执行（不抛出异常）
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试checkLocalName方法
void TestKyView::testCheckLocalName()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 先初始化组件
    m_kyView->setWidgetUi();
    
    // 调用checkLocalName方法
    m_kyView->checkLocalName();
    
    // 验证方法是否正常执行（不抛出异常）
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试槽函数
void TestKyView::testSlotFunctions()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 先初始化组件
    m_kyView->setWidgetUi();
    
    // 测试slotSearchInterface
    m_kyView->slotSearchInterface();
    QCOMPARE(m_kyView->m_stackedWid->currentIndex(), 2);
    
    // 测试slotFriendInterface
    m_kyView->slotFriendInterface();
    QCOMPARE(m_kyView->m_stackedWid->currentIndex(), 1);
    
    // 测试slotShowBlankPage
    m_kyView->slotShowBlankPage();
    QCOMPARE(m_kyView->m_stackedWid->currentIndex(), 0);

    // 测试slotShowSearchBlankPage
    m_kyView->slotShowSearchBlankPage();
    QCOMPARE(m_kyView->m_stackedWid->currentIndex(), 0);

    // 测试slotChangeStatck
    m_kyView->m_localInfo->m_searchLineEdit->setText("test");
    m_kyView->slotChangeStatck();
    // sigChangeSearch is emitted, which calls slotSearchInterface
    // But signals need event loop or direct call. Let's call the slot directly or check state if possible.
    // Since we are testing coverage, calling the slots is most important.
    m_kyView->slotSearchInterface();
    QCOMPARE(m_kyView->m_stackedWid->currentIndex(), 2);

    m_kyView->m_localInfo->m_searchLineEdit->setText("");
    m_kyView->slotChangeStatck();
    // sigChangeBlank or sigChangeFriend is emitted.
    
    delete m_kyView;
    m_kyView = nullptr;
}

// 测试屏幕模式切换函数
void TestKyView::testScreenModeFunctions()
{
    m_kyView = new KyView();
    QVERIFY(m_kyView != nullptr);
    
    // 先初始化组件
    m_kyView->setWidgetUi();
    
    // 测试slotChangePCMode
    m_kyView->slotChangePCMode();
    QCOMPARE(m_kyView->width(), 350);
    QCOMPARE(m_kyView->height(), 686);
    
    // 测试slotChangeHScreenMode
    m_kyView->slotChangeHScreenMode();
    QCOMPARE(m_kyView->width(), WINDOWW_MAX_H_SCREEN);

    // 测试slotChangeVScreenMode
    m_kyView->slotChangeVScreenMode();
    // w and h depend on GlobalData::getInstance()->m_currentSize
}

void TestKyView::testWindowManagerLambda()
{
    // 覆盖 68-75
    m_kyView = new KyView();
    m_kyView->setWidgetUi();
    m_kyView->initGsetting();
    
    // 我们不能轻易模拟 WindowManager::getPid(windowId) 返回当前 pid
    // 但是我们可以通过信号触发 lambda
    // 由于 lambda 内部有 getpid() == WindowManager::getPid(windowId) 判断
    // 如果不满足条件则不会进入内部逻辑。
    // 在测试环境下，我们可以尝试发射信号。
    emit kdk::WindowManager::self()->windowAdded(0); 
    
    QVERIFY(true);
}

void TestKyView::testGsettingLambdas()
{
    // 覆盖 259-264, 270-272, 296-301
    m_kyView = new KyView();
    m_kyView->setWidgetUi();
    m_kyView->initGsetting();
    
    // 触发主题变化 lambda (259-264)
    emit kdk::GsettingMonitor::getInstance()->systemThemeChange();
    
    // 触发透明度变化 lambda (270-272)
    emit kdk::GsettingMonitor::getInstance()->systemTransparencyChange();
    
    // 直接调用 transChange (296-301)
    m_kyView->transChange();
    
    QVERIFY(true);
}

void TestKyView::testEvents()
{
    m_kyView = new KyView();
    m_kyView->setWidgetUi();

    // 测试 eventFilter (349-352)
    QEvent event(QEvent::None);
    m_kyView->eventFilter(m_kyView->m_localInfo, &event);

    // 测试paintEvent
    m_kyView->update();
    QApplication::processEvents();

    // 测试keyPressEvent (F1)
    QKeyEvent *eventF1 = new QKeyEvent(QEvent::KeyPress, Qt::Key_F1, Qt::NoModifier);
    QApplication::postEvent(m_kyView, eventF1);
    QApplication::processEvents();

    // 测试keyPressEvent (Ctrl+E)
    QKeyEvent *eventCtrlE = new QKeyEvent(QEvent::KeyPress, Qt::Key_E, Qt::ControlModifier);
    QApplication::postEvent(m_kyView, eventCtrlE);
    QApplication::processEvents();

    // 测试closeEvent
    QCloseEvent *closeEvent = new QCloseEvent();
    QApplication::postEvent(m_kyView, closeEvent);
    QApplication::processEvents();
    // Note: deleteLater will be called, so m_kyView will be deleted eventually.
    // We should be careful here.
    m_kyView = nullptr; 
}

// 每个测试后的清理
void TestKyView::cleanup()
{
    // 清理测试环境
    if (m_kyView) {
        delete m_kyView;
        m_kyView = nullptr;
    }
}

// 测试结束后的清理
void TestKyView::cleanupTestCase()
{
    // 在所有测试结束后执行一次
}