#include "plancard.h"
#include "ui_plancard.h"

#include <QPainter>
#include <QEventLoop>

#include "UIStyleManager.h"
#include "LHQLogAPI.h"


PlanInfo::PlanInfo()
{
    onWeekDay = enum_WeekDay::WeekDay_Mon;
    onDateTime = QDateTime::fromString("1970-01-01 00:00:00", "yyyy-MM-dd hh:mm:ss");

    offWeekDay = enum_WeekDay::WeekDay_Mon;
    offDateTime = QDateTime::fromString("1970-01-01 00:00:00", "yyyy-MM-dd hh:mm:ss");
}

PlanInfo::PlanInfo(const PlanInfo& info)
{
    onWeekDay = info.onWeekDay;
    onDateTime = info.onDateTime;

    offWeekDay = info.offWeekDay;
    offDateTime = info.offDateTime;
}
PlanInfo& PlanInfo::operator=(const PlanInfo& info)
{
    if(this != &info)
    {
        onWeekDay = info.onWeekDay;
        onDateTime = info.onDateTime;

        offWeekDay = info.offWeekDay;
        offDateTime = info.offDateTime;
    }
    return *this;
}

bool PlanInfo::operator==(const PlanInfo& info) const
{
    if(onWeekDay == info.onWeekDay && onDateTime == info.onDateTime &&
       offWeekDay == info.offWeekDay && offDateTime == info.offDateTime)
    {
        return true;
    }
    return false;
}



/* 重载比较函数 */
bool CSortModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
    /* 先比较是正常日还是特殊日 */
    auto leftDay = sourceModel()->data(left, UserRole_WeekDay).toInt();
    auto rightDay = sourceModel()->data(right, UserRole_WeekDay).toInt();
    if(leftDay != rightDay)
    {
        return leftDay < rightDay; /* 比较周几 */
    }
    /* 日期类型相等，再比较时间 */
    auto leftTime = sourceModel()->data(left, UserRole_Time).toDateTime();
    auto rightTime = sourceModel()->data(right, UserRole_Time).toDateTime();
    if(leftDay == static_cast<int>(enum_WeekDay::WeekDay_Special))
    {
        /* 特殊日，比较日期和时间 */
        return leftTime < rightTime;
    }else {
        /* 正常日，只比较时间 */
        return leftTime.time() < rightTime.time();
    }
}







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

    /* 设置最小宽度 */
    this->setMinimumWidth(300);

    /* 初始化视图模型 */
    m_model = new QStandardItemModel(this);
    m_model->setColumnCount(2);  /* 两列 */
    m_model->clear();
    m_sortModel = new CSortModel(this);
    m_sortModel->setSourceModel(m_model);
    m_sortModel->sort(0, Qt::AscendingOrder); /* 默认升序 */
    /* 设置排序数据 */
    m_sortModel->setSortRole(QtUserRole::UserRole_Time); /* 设置排序角色 */
    ui->tableView->setModel(m_sortModel);
    
    /* 设置每列的高度 */
    ui->tableView->verticalHeader()->setDefaultSectionSize(34);
    
    /* 设置去掉标题 */
    ui->tableView->horizontalHeader()->setVisible(false);
    /* 去掉列标题 */
    ui->tableView->verticalHeader()->setVisible(false);
    /* 去掉网格线 */
    ui->tableView->setShowGrid(false);
    /* 设置单元格不可编辑 */
    ui->tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);

    /* 设置空白图片和文字的位置 */
    setSpaceImageAndTextRect();

    /* 注册事件过滤器 */
    // ui->tableView->installEventFilter(this);
    ui->tableView->viewport()->installEventFilter(this);
    
    /* 连接信号和槽 */
    connect(&EPUIStyle, &UIStyleManager::signal_qssChanged, this, &PlanCard::do_setUIStyle);
    connect(ui->tableView, &QTableView::clicked, this, &PlanCard::do_tableView_clicked);
    /* 设置默认的皮肤 */
    do_setUIStyle();
}

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

/* 设置频率信息 */
void PlanCard::setChannelInfo(const ChannelInfo& info)
{
    m_channelInfo = info;
    
    /* 设置标题 */
    ui->label_title->setText(m_channelInfo.ChannelName);
}

/* 添加一项 */
void PlanCard::addPlanItem(const PlanInfo& info)
{
    auto strStart = getDateString(info.onWeekDay, info.onDateTime);
    auto strEnd = getDateString(info.offWeekDay, info.offDateTime);

    /* 创建一个item */
    QStandardItem* itemStart = new QStandardItem();
    itemStart->setText(strStart);
    itemStart->setData(static_cast<int>(info.onWeekDay), UserRole_WeekDay);   /* 设置周几 */
    itemStart->setData(info.onDateTime, UserRole_Time);                           /* 设置时间 */

    QStandardItem* itemEnd = new QStandardItem();
    itemEnd->setText(strEnd);
    itemEnd->setData(static_cast<int>(info.offWeekDay), UserRole_WeekDay);       /* 设置周几 */
    itemEnd->setData(info.offDateTime, UserRole_Time);                               /* 设置时间 */

    /* 添加一个项 */
    m_model->appendRow(QList<QStandardItem*>{itemStart, itemEnd});

    m_isSpace = false; /* 有数据了 */

    // LH_WRITE_LOG(QString("计划数目: %1").arg(m_model->rowCount()));
    // LH_WRITE_LOG(QString("UI: %1:%2").arg(ui->tableView->width()).arg(ui->tableView->height()));
}

/* 删除一项 */
void PlanCard::deletePlanItem(const enum_WeekDay weekDay, const QDateTime& time, const enum_OnOff onOff)
{
    for(auto& it : m_model->findItems(QString(), Qt::MatchContains, 0))
    {
        auto item = it->data(UserRole_WeekDay).toInt();
        if(item == static_cast<int>(weekDay) && it->data(UserRole_Time).toDateTime() == time)
        {
            /* 删除该行 */
            m_model->removeRow(it->row());
            break;
        }
    }

    /* 判断数据有没有空 */
    if(m_model->rowCount() == 0)
    {
        m_isSpace = true; /* 没有数据了 */
    }
}

/* 删除一项，传入行号 */
PlanInfo PlanCard::deletePlanItem(const int row)
{
    if(row < 0 || row >= m_model->rowCount())
    {
        return PlanInfo(); /* 没有选中行 */
    }
    /* 获取原始模型的行号 */
    auto sourceRow = m_sortModel->mapToSource(m_sortModel->index(row, 0)).row();
    /* 获取该行计划 */
    auto item1 = m_model->item(sourceRow, 0);
    auto item2 = m_model->item(sourceRow, 1);
    PlanInfo info;
    info.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
    info.onDateTime = item1->data(UserRole_Time).toDateTime();
    info.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
    info.offDateTime = item2->data(UserRole_Time).toDateTime();

    /* 删除该行 */
    m_model->removeRow(sourceRow);

    /* 判断数据有没有空 */
    if(m_model->rowCount() == 0)
    {
        m_isSpace = true; /* 没有数据了 */
    }

    return info; /* 返回删除的计划 */
}

/* 修改一项 */
PlanInfo PlanCard::modifyPlanItem(const int row, const PlanInfo& info)
{
    if(row < 0 || row >= m_model->rowCount())
    {
        return PlanInfo(); /* 没有选中行 */
    }
    /* 获取原始模型的行号 */
    auto sourceRow = m_sortModel->mapToSource(m_sortModel->index(row, 0)).row();
    /* 获取该行计划 */
    auto item1 = m_model->item(sourceRow, 0);
    auto item2 = m_model->item(sourceRow, 1);

    PlanInfo oldInfo;
    oldInfo.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
    oldInfo.onDateTime = item1->data(UserRole_Time).toDateTime();
    oldInfo.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
    oldInfo.offDateTime = item2->data(UserRole_Time).toDateTime();

    // LH_WRITE_LOG(QString("修改前的行: %1").arg(item1->row()));
    /* 修改该行 */
    item1->setText(getDateString(info.onWeekDay, info.onDateTime));
    item1->setData(static_cast<int>(info.onWeekDay), UserRole_WeekDay);   /* 设置周几 */
    item1->setData(info.onDateTime, UserRole_Time);                           /* 设置时间 */

    item2->setText(getDateString(info.offWeekDay, info.offDateTime));
    item2->setData(static_cast<int>(info.offWeekDay), UserRole_WeekDay);       /* 设置周几 */
    item2->setData(info.offDateTime, UserRole_Time);                               /* 设置时间 */
    
    // LH_WRITE_LOG(QString("修改后的行: %1").arg(item1->row()));
    /* 依旧选中修改完成后的行 */
    // ui->tableView->selectRow(item1->row());

    return oldInfo; /* 返回修改前的计划 */
}

/* 清空列表 */
void PlanCard::clearPlanItem()
{
    for(auto& it : m_model->findItems(QString(), Qt::MatchContains, 0))
    {
        m_model->removeRow(it->row());
    }

    /* 判断数据有没有空 */
    if(m_model->rowCount() == 0)
    {
        m_isSpace = true; /* 没有数据了 */
    }
}

/* 取出所有的计划信息，用于给WebAPI发送数据 */
void PlanCard::getAllPlanInfo(QList<OnePlanItemInfo>& list)
{
    int rowCount = m_model->rowCount();
    for(int i = 0; i < rowCount; i++)
    {
        auto item1 = m_model->item(i, 0);
        auto item2 = m_model->item(i, 1);
        if(item1 == nullptr || item2 == nullptr)
        {
            continue;
        }
        OnePlanItemInfo info1;
        info1.ChannelID = m_channelInfo.ChannelID;
        info1.ChannelName = m_channelInfo.ChannelName;
        info1.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
        info1.onDateTime = item1->data(UserRole_Time).toDateTime();
        info1.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
        info1.offDateTime = item2->data(UserRole_Time).toDateTime();

        list.append(info1);
    }
}

/* 设置计划列表 */
void PlanCard::setPlanList(const QList<OnePlanItemInfo>& list)
{
    /* 清空当前的计划列表 */
    clearPlanItem();
    
    for(const auto& it : list)
    {
        if(GInfo.isOnlineDB())
        {
            if(it.ChannelID != m_channelInfo.ChannelID)
            {
                /* 不是当前频率的计划 */
                LH_WRITE_ERROR(QString("频率ID不匹配，当前频率ID:%1, 计划频率ID:%2").arg(m_channelInfo.ChannelID).arg(it.ChannelID));
                continue; 
            }
        }
        /* 添加计划 */
        PlanInfo info;
        info.onWeekDay = it.onWeekDay;
        info.onDateTime = it.onDateTime;
        info.offWeekDay = it.offWeekDay;
        info.offDateTime = it.offDateTime;
        addPlanItem(info);
    }
    
}

/* 获取计划列表，适用于PlanCard之间传输数据 */
void PlanCard::getPlanList(QList<PlanInfo>& list)
{
    for(int i = 0; i < m_model->rowCount(); i++)
    {
        auto item1 = m_model->item(i, 0);
        auto item2 = m_model->item(i, 1);
        PlanInfo info;
        info.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
        info.onDateTime = item1->data(UserRole_Time).toDateTime();

        info.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
        info.offDateTime = item2->data(UserRole_Time).toDateTime();

        list.append(info);
    }
}

/* 设置计划列表，适用于PlanCard之间传输数据 */
void PlanCard::setPlanList(const QList<PlanInfo>& list)
{
    /* 清空列表 */
    clearPlanItem();
    for(const auto& it : list)
    {
        addPlanItem(it);
    }
}


/**
 * @brief 获取选中的行
 * 
 * @return int 
 */
int PlanCard::getSelectedRow() const
{
    return ui->tableView->currentIndex().row();
}

PlanInfo PlanCard::getSelectedPlan()
{
    auto index = ui->tableView->currentIndex();
    if(!index.isValid())
    {
        return PlanInfo(); /* 没有选中行 */
    }
    auto item1 = m_model->item(index.row(), 0);
    auto item2 = m_model->item(index.row(), 1);

    PlanInfo info;
    info.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
    info.onDateTime = item1->data(UserRole_Time).toDateTime();
    info.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
    info.offDateTime = item2->data(UserRole_Time).toDateTime();
    return info;

}

/* 设置自身被选中 */
void PlanCard::setSelected(bool isSelected)
{
    if(isSelected)
    {
        ui->widget->setProperty("Selected", true);
    }else {
        ui->widget->setProperty("Selected", false);
    }
    ui->widget->style()->unpolish(ui->widget);
    ui->widget->style()->polish(ui->widget);
}

/* 自身被点击了，给外部调用，发送点击信号 */
void PlanCard::clickedCard()
{
    emit signal_clickedCard(m_channelInfo.ChannelID);
}

/* 更改UI外观 */
void PlanCard::do_setUIStyle()
{
    this->setStyleSheet(EPUIStyle.StrQSS_PlanCard);
    /* 打开图片 */
    if(EPUIStyle.getUIStyle() == enum_UIStyle::UI_Light)
    {
       m_spaceImage = QPixmap(":/ICON/ICON/space_light.png");
    }else {
        m_spaceImage = QPixmap(":/ICON/ICON/space_dark.png");
    }
}

/* 点击了一个单元格，设置高亮一行 */
void PlanCard::do_tableView_clicked(const QModelIndex& index)
{
    if(index.isValid())
    {
        /* 设置高亮一行 */
        ui->tableView->selectRow(index.row());
    }
    /* 发送信号 */
    auto item1 = m_model->item(index.row(), 0);
    auto item2 = m_model->item(index.row(), 1);
    PlanInfo info;
    info.onWeekDay = static_cast<enum_WeekDay>(item1->data(UserRole_WeekDay).toInt());
    info.onDateTime = item1->data(UserRole_Time).toDateTime();
    info.offWeekDay = static_cast<enum_WeekDay>(item2->data(UserRole_WeekDay).toInt());
    info.offDateTime = item2->data(UserRole_Time).toDateTime();
    emit signal_clickedItem(info); /* 发送信号 */
    // emit signal_clickedCard(m_channelInfo.ChannelID);
}


/* 设置空白图片和文字的位置 */
void PlanCard::setSpaceImageAndTextRect()
{
    /* 设置图片大小 */
    m_rectSpaceImage.setSize(QSize(108, 87));
    /* 设置文本区域大小 */
    m_rectSpaceText.setSize(QSize(72, 19));
    /* 设置空白图片位置 */
    QPoint pointTable = ui->tableView->mapToParent(QPoint(0, 0));
    /* 设置空白图片位置，居中显示 */
    int x = pointTable.x() + (ui->tableView->width() - m_rectSpaceImage.width()) / 2;
    int y = pointTable.y() + (ui->tableView->height() - m_rectSpaceImage.height() - m_rectSpaceText.height() - 5) / 2;
    m_rectSpaceImage.moveTo(x, y);
    /* 设置空白文字位置 */
    x = pointTable.x() + (ui->tableView->width() - m_rectSpaceText.width()) / 2;
    y = m_rectSpaceImage.y() + m_rectSpaceImage.height() + 5;
    m_rectSpaceText.moveTo(x, y);

}

/* 根据日期获取字符串 */
QString PlanCard::getDateString(const enum_WeekDay weekDay, const QDateTime& time)
{
    QString strTime;
    switch(weekDay)
    {
        case enum_WeekDay::WeekDay_Mon:
        strTime = QString("星期一 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Tue:
        strTime = QString("星期二 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Wed:
        strTime = QString("星期三 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Thu:
        strTime = QString("星期四 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Fri:
        strTime = QString("星期五 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Sat:
        strTime = QString("星期六 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Sun:
        strTime = QString("星期天 %1").arg(time.toString("hh:mm:ss"));
            break;
        case enum_WeekDay::WeekDay_Special:
        strTime = QString("%1").arg(time.toString("yy-MM-dd hh:mm:ss"));
            break;
        default:
            strTime = QString("未知 %1").arg(time.toString("hh:mm:ss"));
            break;
    }

    return strTime;
}

/* 设置表格大小 */
void PlanCard::setTableViewSize()
{
    /* 设置两列一样宽 */
    auto horWidth = ui->tableView->width();
    ui->tableView->horizontalHeader()->setDefaultSectionSize(horWidth / 2);

    // LH_WRITE_LOG(QString("表格大小: %1:%2").arg(ui->tableView->width()).arg(ui->tableView->height()));
    // LH_WRITE_LOG(QString("标题宽度: %1").arg(ui->widget_tableHeader->width()));
}


/* 绘制事件 */
void PlanCard::paintEvent(QPaintEvent *event)
{
    if(m_isSpace)
    {
        QPainter painter(this);
        /* 绘制图片 */
        painter.drawPixmap(m_rectSpaceImage, m_spaceImage);
        /* 绘制文字 */
        QFont font = painter.font();
        font.setPixelSize(12);
        painter.setFont(font);
        painter.drawText(m_rectSpaceText, Qt::AlignCenter, "暂无相关信息");
    }
    QWidget::paintEvent(event);
}

/* 大小缩放事件 */
void PlanCard::resizeEvent(QResizeEvent *event)
{
    QWidget::resizeEvent(event);
    /* 设置空白图片和文字的位置 */
    setSpaceImageAndTextRect();
    setTableViewSize();
}

/* 显示事件，这里获取到的控件大小信息是正确的 */
void PlanCard::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
    /* 设置空白图片和文字的位置 */
    setSpaceImageAndTextRect();
    setTableViewSize();
}

/* 鼠标点击事件 */
void PlanCard::mousePressEvent(QMouseEvent *event)
{
    QWidget::mousePressEvent(event);
    /* 发送信号 */
    emit signal_clickedCard(m_channelInfo.ChannelID);
}

/* 事件过滤器 */
bool PlanCard::eventFilter(QObject *watched, QEvent *event)
{
    if(watched == ui->tableView->viewport())
    {
        if(event->type() == QEvent::MouseButtonPress)
        {
            emit signal_clickedCard(m_channelInfo.ChannelID);
        }
    }

    return QWidget::eventFilter(watched, event);
}