#include "search-detail-view.h"
#include <QPainter>
#include <QStyleOption>
#include <QDebug>
#include <gio/gdesktopappinfo.h>
#include <QDBusInterface>
#include <QDBusReply>
#include <QStandardPaths>
#include <QFile>
#include <QFileInfo>
#include <QProcess>
#include <QClipboard>
#include <QApplication>
#include <QFileInfo>
#include <QDateTime>

SearchDetailView::SearchDetailView(QWidget *parent) : QWidget(parent)
{
    m_layout = new QVBoxLayout(this);
    this->setLayout(m_layout);
    m_layout->setContentsMargins(16, 60, 16, 24);
    this->setObjectName("detailView");
    this->setStyleSheet("QWidget#detailView{background:transparent;}");
}

SearchDetailView::~SearchDetailView()
{
    if (m_layout) {
        clearLayout();
        delete m_layout;
        m_layout = NULL;
    }
}

/**
 * @brief SearchDetailView::clearLayout 清空布局
 */
void SearchDetailView::clearLayout() {
    QLayoutItem * child;
    while ((child = m_layout->takeAt(0)) != 0) {
        if(child->widget())
        {
            child->widget()->setParent(NULL); //防止删除后窗口看上去没有消失
        }
        delete child;
    }
    child = NULL;
}

/**
 * @brief SearchDetailView::setupWidget 构建右侧搜索结果详情区域
 * @param type 搜索类型
 * @param path 结果路径
 */
void SearchDetailView::setupWidget(const int& type, const QString& path) {
    clearLayout();

    //图标和名称、分割线区域
    QLabel * iconLabel = new QLabel(this);
    iconLabel->setAlignment(Qt::AlignCenter);
    iconLabel->setFixedHeight(120);

    QFrame * nameFrame = new QFrame(this);
    QHBoxLayout * nameLayout = new QHBoxLayout(nameFrame);
    QLabel * nameLabel = new QLabel(nameFrame);
    QLabel * typeLabel = new QLabel(nameFrame);
    nameLabel->setStyleSheet("QLabel{font-size: 18px;}");
    typeLabel->setStyleSheet("QLabel{font-size: 14px; color: rgba(0, 0, 0, 0.43);}");
    nameFrame->setFixedHeight(48);
    nameLabel->setMaximumWidth(240);
    nameLayout->addWidget(nameLabel);
    nameLayout->addStretch();
    nameLayout->addWidget(typeLabel);
    nameFrame->setLayout(nameLayout);

    QFrame * hLine = new QFrame(this);
    hLine->setLineWidth(0);
    hLine->setFixedHeight(1);
    hLine->setStyleSheet("QFrame{background: rgba(0,0,0,0.2);}");

    m_layout->addWidget(iconLabel);
    m_layout->addWidget(nameFrame);
    m_layout->addWidget(hLine);

    //文件和文件夹有一个额外的详情区域
    if (type == SearchListView::ResType::Dir || type == SearchListView::ResType::File) {
        QFrame * detailFrame = new QFrame(this);
        QVBoxLayout * detailLyt = new QVBoxLayout(detailFrame);
        detailLyt->setContentsMargins(0,0,0,0);
        QFrame * pathFrame = new QFrame(detailFrame);
        QFrame * timeFrame = new QFrame(detailFrame);
        QHBoxLayout * pathLyt = new QHBoxLayout(pathFrame);
        QHBoxLayout * timeLyt = new QHBoxLayout(timeFrame);
        QLabel * pathLabel_1 = new QLabel(pathFrame);
        QLabel * pathLabel_2 = new QLabel(pathFrame);
        pathLabel_1->setText(tr("Path"));
        pathLabel_2->setText(path);
        pathLabel_2->setMaximumWidth(500);
        pathLabel_2->setWordWrap(true);
        pathLyt->addWidget(pathLabel_1);
        pathLyt->addStretch();
        pathLyt->addWidget(pathLabel_2);
        QLabel * timeLabel_1 = new QLabel(timeFrame);
        QLabel * timeLabel_2 = new QLabel(timeFrame);
        timeLabel_1->setText(tr("Last time modified"));
        QFileInfo fileInfo(path);
        timeLabel_2->setText(fileInfo.lastModified().toString("yyyy-MM-dd hh:mm:ss"));
        timeLyt->addWidget(timeLabel_1);
        timeLyt->addStretch();
        timeLyt->addWidget(timeLabel_2);
        detailLyt->addWidget(pathFrame);
        detailLyt->addWidget(timeFrame);

        QFrame * hLine_2 = new QFrame(this);
        hLine_2->setLineWidth(0);
        hLine_2->setFixedHeight(1);
        hLine_2->setStyleSheet("QFrame{background: rgba(0,0,0,0.2);}");

        m_layout->addWidget(detailFrame);
        m_layout->addWidget(hLine_2);
    }

    //可执行操作区域
    OptionView * optionView = new OptionView(this, type);
    connect(optionView, &OptionView::onOptionClicked, this, [ = ](const int& option) {
        execActions(type, option, path);
    });

    m_layout->addWidget(optionView);
    m_layout->addStretch();

    //根据不同类型的搜索结果切换加载图片和名称的方式
    switch (type) {
        case SearchListView::ResType::App : {
            QIcon icon = FileUtils::getAppIcon(path);
            iconLabel->setPixmap(icon.pixmap(icon.actualSize(QSize(96, 96))));
            nameLabel->setText(FileUtils::getAppName(path));
            typeLabel->setText(tr("Application"));
            break;
        }
        case SearchListView::ResType::Dir :
        case SearchListView::ResType::File : {
            QIcon icon = FileUtils::getFileIcon(QString("file://%1").arg(path));
            iconLabel->setPixmap(icon.pixmap(icon.actualSize(QSize(96, 96))));
            nameLabel->setText(FileUtils::getFileName(path));
            typeLabel->setText(tr("Document"));
            break;
        }
        case SearchListView::ResType::Setting : {
            QIcon icon = FileUtils::getSettingIcon(path, true);
            iconLabel->setPixmap(icon.pixmap(icon.actualSize(QSize(96, 96))));
            QString settingType = path.mid(path.indexOf("/") + 1, path.lastIndexOf("/") - path.indexOf("/") - 1); //配置项所属控制面板插件名
            nameLabel->setText(settingType);
            typeLabel->setText(FileUtils::getSettingName(path));
            break;
        }
        default:
            break;
    }
}

/**
 * @brief SearchDetailView::execActions 根据点击的选项执行指定动作
 * @param type 选中的类型
 */
void SearchDetailView::execActions(const int& type, const int& option, const QString& path) {
    switch (option) {
        case OptionView::Options::Open: {
            openAction(type, path);
            break;
        }
        case OptionView::Options::Shortcut: {
            addDesktopShortcut(path);
            break;
        }
        case OptionView::Options::Panel: {
            addPanelShortcut(path);
            break;
        }
        case OptionView::Options::OpenPath: {
            openPathAction(path);
            break;
        }
        case OptionView::Options::CopyPath: {
            copyPathAction(path);
            break;
        }
        default:
            break;
    }
}

/**
 * @brief SearchDetailView::openAction 执行“打开”动作
 * @return
 */
bool SearchDetailView::openAction(const int& type, const QString& path) {
    switch (type) {
        case SearchListView::ResType::App: {
            GDesktopAppInfo * desktopAppInfo = g_desktop_app_info_new_from_filename(path.toLocal8Bit().data());
            g_app_info_launch(G_APP_INFO(desktopAppInfo),nullptr, nullptr, nullptr);
            g_object_unref(desktopAppInfo);
            return true;
            break;
        }
        case SearchListView::ResType::Dir:
        case SearchListView::ResType::File: {
            QProcess * process = new QProcess;
            process->start(QString("xdg-open %1").arg(path));
            connect(process, static_cast<void(QProcess::*)(int,QProcess::ExitStatus)>(&QProcess::finished), this, [ = ]() {
                process->deleteLater();
            });
            return true;
            break;
        }
        case SearchListView::ResType::Setting: {
            //打开控制面板对应页面
            QProcess * process = new QProcess;
            process->start(QString("ukui-control-center --%1").arg(path.left(path.indexOf("/")).toLower()));
            connect(process, static_cast<void(QProcess::*)(int,QProcess::ExitStatus)>(&QProcess::finished), this, [ = ]() {
                process->deleteLater();
            });
            return true;
            break;
        }
        default:
            break;
    }
}

/**
 * @brief SearchDetailView::addDesktopShortcut 添加到桌面快捷方式
 * @return
 */
bool SearchDetailView::addDesktopShortcut(const QString& path) {
    QString dirpath = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
    QFileInfo fileInfo(path);
    QString desktopfn = fileInfo.fileName();
    QFile file(path);
    QString newName = QString(dirpath+"/"+desktopfn);
    bool ret = file.copy(QString(dirpath+"/"+desktopfn));
    if(ret)
    {
        QProcess * process = new QProcess;
        process->start(QString("chmod a+x %1").arg(newName));
        connect(process, static_cast<void(QProcess::*)(int,QProcess::ExitStatus)>(&QProcess::finished), this, [ = ]() {
            process->deleteLater();
        });
        return true;
    }
    return false;
}

/**
 * @brief SearchDetailView::addPanelShortcut 添加到任务栏
 * @return
 */
bool SearchDetailView::addPanelShortcut(const QString& path) {
    QDBusInterface iface("com.ukui.panel.desktop",
                         "/",
                         "com.ukui.panel.desktop",
                         QDBusConnection::sessionBus());
    if (iface.isValid()) {
        QDBusReply<bool> isExist = iface.call("CheckIfExist",path);
        if (isExist) {
            qDebug()<<"qDebug: Add shortcut to panel failed, because it is already existed!";
            return false;
        }
        QDBusReply<QVariant> ret = iface.call("AddToTaskbar",path);
        qDebug()<<"qDebug: Add shortcut to panel successed!";
        return true;
    }
}

/**
 * @brief SearchDetailView::openPathAction 打开文件所在路径
 * @return
 */
bool SearchDetailView::openPathAction(const QString& path) {
    QProcess * process = new QProcess;
    process->start(QString("xdg-open %1").arg(path.left(path.lastIndexOf("/"))));
    connect(process, static_cast<void(QProcess::*)(int,QProcess::ExitStatus)>(&QProcess::finished), this, [ = ]() {
        process->deleteLater();
    });
    return true;
}

/**
 * @brief SearchDetailView::copyPathAction 复制文件所在路径
 * @return
 */
bool SearchDetailView::copyPathAction(const QString& path) {
    QClipboard * clipboard = QApplication::clipboard();   //获取系统剪贴板指针
    clipboard->setText(path);
}