#include "templatemanager.h"
#include "previewplan.h"
#include "ui_templatemanager.h"

#include <QDebug>
#include <QPoint>
#include <QTableWidgetItem>
#include <QFile>
#include <QPainter>
#include <QMouseEvent>
#include <memory>
#include <qchar.h>
#include <qnamespace.h>

#include "warning/warning.h"
#include "LHQLogAPI.h"
#include "OneShadowEffect.h"
#include "TransmitterSwitchInfo.h"
#include "UIStyleManager.h"
#include "template.h"
#include "managerplan.h"
#include "FromWebAPI.h"
#include "tipwidget.h"
#include "previewplan.h"


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

    /* 设置隐藏边框 */
    this->setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);
    /* 设置底层样式表 */
    this->setAttribute(Qt::WA_TranslucentBackground);
    /* 创建阴影 */
    QSize size = this->size();
    size.setWidth(size.width() - 40);
    size.setHeight(size.height() - 40);

    auto pShadow = new OneShadowEffect(this);
    this->setGraphicsEffect(pShadow);

    /* 设置列数 */
    ui->tableWidget->horizontalHeader()->setVisible(true);
    ui->tableWidget->setColumnCount(5);
    /* 设置列表头 */
    QStringList headerList = {"频率名称", "模版名称", "", "", ""};
    ui->tableWidget->setHorizontalHeaderLabels(headerList);
    ui->tableWidget->horizontalHeader()->setSectionsClickable(false);
    ui->tableWidget->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);

    /* 设置列表头高度 */
    ui->tableWidget->horizontalHeader()->setDefaultSectionSize(40);
    /* 设置列宽间距，在显示事件中设置 */
    /* 设置列宽度固定 */
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Fixed);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Fixed);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Fixed);

    //设置行高
    ui->tableWidget->verticalHeader()->setDefaultSectionSize(40);
    
    /* 设置可编辑，后续创建的时候，单独设置不可编辑 */
    ui->tableWidget->setEditTriggers(QTableWidget::DoubleClicked);
    //设置选中一行
    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
    //设置只能选中一行
    ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    //隐藏横滚动条
    ui->tableWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    //隐藏网格线
    ui->tableWidget->setShowGrid(false);
    //隐藏行号
    ui->tableWidget->verticalHeader()->setVisible(false);
    //设置不显示选中后的虚线
    ui->tableWidget->setFocusPolicy(Qt::NoFocus);

    //开启排序功能
//    ui->tableWidget->setSortingEnabled(true);


    connect(ui->pBtn_close,SIGNAL(clicked()),this,SLOT(close()));
    connect(ui->pBtn_cancel,SIGNAL(clicked()),this,SLOT(close()));
    connect(ui->pBtn_ok,SIGNAL(clicked()),this,SLOT(do_ok()));
    connect(ui->tableWidget, &QTableWidget::cellClicked, this, &TemplateManager::do_clickedItem);
    connect(ui->tableWidget, &QTableWidget::itemChanged, this, &TemplateManager::do_itemChanged);

    /* 注册事件过滤器 */
    ui->pBtn_close->installEventFilter(this);

}

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

void TemplateManager::do_ok()
{
    /* 获取已选中的模版列表 */

    m_isOk = true;
    this->close();
}

/* 点击了一个单元格 */
void TemplateManager::do_clickedItem(int row, int column)
{
    // LH_WRITE_LOG_DEBUG(QString("点击了单元格: %1, %2").arg(row).arg(column));
    if(column < 2)
    {
        return;
    }
    /* 获取此单元格 */
    auto item = ui->tableWidget->item(row, column);
    if(item == nullptr)
    {
        return;
    }
    /* 判断是什么功能的单元格 */
    if(column == 2) 
    {
        /* 预览 */
        previewTemplate(item);
    }
    else if(column == 3)
    {
        /* 修改 */
        modifyTemplate(item);
    }
    else if(column == 4)
    {
        /* 删除 */
        deleteTemplate(item);
    }
    /* 强制重新绘制表格 */
    ui->tableWidget->repaint();
}

/* 单元格内容改变了 */
void TemplateManager::do_itemChanged(QTableWidgetItem* item)
{
    /* 获取新模版名称 */
    QString newName = item->text();
    /* 获取旧模版名称 */
    OneTemplateInfo info;
    info.templateName = item->data(m_roleTemplateName).toString();
    info.channelInfo.ChannelID = item->data(m_roleChnID).toInt();
    /* 判断是否修改了模版名称 */
    if(newName == info.templateName)
    {
        return;
    }
    /* 判断同频率下的模板名称是否冲突 */
    int rowCount = ui->tableWidget->rowCount();
    for(int i = 0; i < rowCount; i++)
    {
        /* 排除当前项 */
        if(i == item->row())
        {
            continue;
        }
        /* 获取当前项显示的名称 */
        auto itemTmp = ui->tableWidget->item(i, 1);
        if(itemTmp == nullptr)
        {
            continue;
        }
        /* 获取当前项的模版名称 */
        QString strName = itemTmp->text();
        /* 获取当前项的模版频率 */
        int chnID = itemTmp->data(m_roleChnID).toInt();
        /* 判断是否冲突 */
        if(chnID == info.channelInfo.ChannelID && strName == newName)
        {
            /* 已经存在相同的模版名称 */
            LH_WRITE_ERROR(QString("模版名称冲突:%1").arg(newName));
            TipWidget::display(TipWidget::OPERATOR_FAIL, "模版名称冲突", this);
            item->setText(info.templateName);
            return;
        }
    }
    /* 修改模版名称 */
    m_mapModifyTemplateName.insert(info, newName);
}


/* 显示事件 */
void TemplateManager::showEvent(QShowEvent *event)
{
    /* 设置列宽度 */
    int width = (ui->tableWidget->width() - ( 66 * 3)) / 2;
    ui->tableWidget->setColumnWidth(0, width);
    ui->tableWidget->setColumnWidth(1, width);
    ui->tableWidget->setColumnWidth(2, 66);
    ui->tableWidget->setColumnWidth(3, 66);
    ui->tableWidget->setColumnWidth(4, 66);
}


/* 设置模版列表 */
void TemplateManager::setTemplateList(const QMultiMap<int, OneTemplateInfo>& mapTemplate)
{
    // 暂时阻止 itemChanged 信号
    ui->tableWidget->blockSignals(true);
    for(auto it = mapTemplate.begin(), end = mapTemplate.end(); it != end; it++)
    {
        createRow(it.value());
        m_listTemplate.append(it.value());
    }
    // 恢复信号
    ui->tableWidget->blockSignals(false);
}


/* 设置QSS */
void TemplateManager::setQSSPath(const QString& qssPath)
{
    if(qssPath.isEmpty())
    {
        return;
    }
    QString qssFile = qssPath + "/templatemanager.qss";
    QFile file(qssFile);
    if(file.open(QFile::ReadOnly))
    {
        QString styleSheet = file.readAll();
        this->setStyleSheet(styleSheet);
        file.close();
    }else 
    {
        LH_WRITE_ERROR(QString("Open %1 failed").arg(qssFile));
    }

    // if(EPUIStyle.getUIStyle() == enum_UIStyle::UI_Dark)
    // {
    //     /* 手动设置表头的qss */
    //     ui->tableWidget->horizontalHeader()->setStyleSheet(m_qssHeaderView_dark);
    // }else {
    //     ui->tableWidget->horizontalHeader()->setStyleSheet(m_qssHeaderView_dark);
    // }
}


/* 设置WebAPI指针 */
void TemplateManager::setWebAPI(FromWebAPI* webAPI)
{
    if(webAPI == nullptr)
    {
        LH_WRITE_ERROR("WebAPI is nullptr");
        return;
    }
    m_fromWebAPI = webAPI;
}



/* 添加一行 */
void TemplateManager::createRow(const OneTemplateInfo& info)
{
    /* 设置表格的行数 */
    int row = ui->tableWidget->rowCount();
    ui->tableWidget->setRowCount(row + 1);
    /* 设置行高 */
    ui->tableWidget->setRowHeight(row, 40);

    /* 频率名称 */
    QTableWidgetItem* item0 = new QTableWidgetItem(info.channelInfo.ChannelName);
    item0->setFlags(item0->flags() & ~Qt::ItemIsEditable);
    item0->setData(m_roleChnID, info.channelInfo.ChannelID);
    ui->tableWidget->setItem(row, 0, item0);
    /* 模板名称，需要可编辑 */
    QTableWidgetItem* item1 = new QTableWidgetItem(info.templateName, Qt::EditRole);
    item1->setFlags(item1->flags() | Qt::ItemIsEditable);
    item1->setData(m_roleChnID, info.channelInfo.ChannelID);
    item1->setData(m_roleTemplateName, info.templateName);
    ui->tableWidget->setItem(row, 1, item1);

    /* 添加固定的三个项 */
    auto item2 = new QTableWidgetItem("预览");
    item2->setFlags(item0->flags() & ~Qt::ItemIsEditable);
    item2->setData(m_roleChnID, info.channelInfo.ChannelID);
    item2->setData(m_roleTemplateName, info.templateName);
    item2->setForeground(QBrush("#438EFF"));
    ui->tableWidget->setItem(row, 2, item2);

    auto item3 = new QTableWidgetItem("修改");
    item3->setFlags(item0->flags() & ~Qt::ItemIsEditable);
    item3->setData(m_roleChnID, info.channelInfo.ChannelID);
    item3->setData(m_roleTemplateName, info.templateName);
    item3->setForeground(QBrush("#438EFF"));
    ui->tableWidget->setItem(row, 3, item3);

    auto item4 = new QTableWidgetItem("删除");
    item4->setFlags(item0->flags() & ~Qt::ItemIsEditable);
    item4->setData(m_roleChnID, info.channelInfo.ChannelID);
    item4->setData(m_roleTemplateName, info.templateName);
    item4->setForeground(QBrush("#438EFF"));
    ui->tableWidget->setItem(row, 4, item4);
}


/* 修改模版 */
void TemplateManager::modifyTemplate(QTableWidgetItem* item)
{
    /* 获取频率 */
    OneTemplateInfo info;
    info.templateName = item->data(m_roleTemplateName).toString();
    /* 获取频率名称 */
    info.channelInfo = ChnContainer.getChannel(item->data(m_roleChnID).toInt());
    /* 获取模版中的计划 */
    QList<OnePlanItemInfo> nowListPlan;
    if(!m_fromWebAPI->getOneTemplateData(info, nowListPlan))
    {
        TipWidget::display(TipWidget::OPERATOR_FAIL, "获取模版计划失败", this);
        return;
    }
    LH_WRITE_LOG_DEBUG(QString("获取模版计划成功, 频率ID:%1, 模版名称:%2, 计划数:%3").arg(info.channelInfo.ChannelID).arg(info.templateName).arg(nowListPlan.size()));
    /* 弹出修改模版的窗口 */
    std::shared_ptr<ManagerPlan> mp = std::make_shared<ManagerPlan>(Enum_Mode::Mode_ModifyTemplate);
    mp->setFrequencyID(info.channelInfo);
    mp->setPlanList(nowListPlan);
    mp->exec();
    /* 判断是否点击了OK */
    if(!mp->isOK())
    {
        return;
    }
    /* 获取计划信息 */
    auto& mapPlanInfo = mp->getPlanInfo();
    QList<OnePlanItemInfo> newListPlan;
    /* 设置该频率的计划 */
    for(auto it = mapPlanInfo.begin(), end = mapPlanInfo.end(); it != end; it++)
    {
        if(it.key() != info.channelInfo.ChannelID)
        {
            continue;
        }
        for(auto& it1 : it.value())
        {
            OnePlanItemInfo tmp;
            tmp.ChannelID = info.channelInfo.ChannelID;
            tmp.ChannelName = info.channelInfo.ChannelName;
            tmp.onWeekDay = it1.onWeekDay;
            tmp.onDateTime = it1.onDateTime;
            tmp.offWeekDay = it1.offWeekDay;
            tmp.offDateTime = it1.offDateTime;

            newListPlan.append(tmp);
        }
    }
    m_mapModifyTemplate.insert(info, newListPlan);

}

/* 删除模版 */
void TemplateManager::deleteTemplate(QTableWidgetItem* item)
{
    /* 弹出删除模版的提示框 */
    Warning w(this);
    w.setQSS(EPUIStyle.getQSSPath());
    w.setText("确定删除对应频率开关机计划？");
    w.exec();
    if(!w.isOk())
    {
        return;
    }
    /* 删除 */
    OneTemplateInfo info;
    info.channelInfo.ChannelID = item->data(m_roleChnID).toInt();
    info.templateName = item->data(m_roleTemplateName).toString();
    /* 将模版信息添加到删除列表 */
    m_listDeleteTemplate.append(info);
    /* 删除当前行 */
    ui->tableWidget->removeRow(item->row());
    m_listTemplate.removeOne(info);
}

/* 预览 */
void TemplateManager::previewTemplate(QTableWidgetItem* item)
{
    /* 获取频率 */
    OneTemplateInfo info;
    info.templateName = item->data(m_roleTemplateName).toString();
    /* 获取频率名称 */
    info.channelInfo = ChnContainer.getChannel(item->data(m_roleChnID).toInt());
    /* 获取模版中的计划 */
    QList<OnePlanItemInfo> nowListPlan;
    if(!m_fromWebAPI->getOneTemplateData(info, nowListPlan))
    {
        TipWidget::display(TipWidget::OPERATOR_FAIL, "获取模版计划失败", this);
        return;
    }

    std::shared_ptr<PreviewPlan> pp = std::make_shared<PreviewPlan>(this);
    pp->setQSSPath(EPUIStyle.getQSSPath());
    pp->setFrequencyInfo(info.channelInfo);
    pp->setTemplateList(nowListPlan);
    pp->exec();
}






/* 事件过滤器 */
bool TemplateManager::eventFilter(QObject *watched, QEvent *event)
{
    if(watched == ui->pBtn_close)
    {
        if(event->type() == QEvent::Enter)
        {
            ui->pBtn_close->setProperty("Hover", true);
            ui->pBtn_close->style()->unpolish(ui->pBtn_close);
            ui->pBtn_close->style()->polish(ui->pBtn_close);

            return true;
        }else if(event->type() == QEvent::Leave)
        {
            ui->pBtn_close->setProperty("Hover", false);
            ui->pBtn_close->style()->unpolish(ui->pBtn_close);
            ui->pBtn_close->style()->polish(ui->pBtn_close);

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

/* 鼠标点击事件 */
void TemplateManager::mousePressEvent(QMouseEvent *event)
{
    m_lastPos = event->globalPos();
    event->accept();
}

/* 鼠标移动事件 */
void TemplateManager::mouseMoveEvent(QMouseEvent *event)
{
    // QRect rect = this->geometry();
    // rect.setBottom(rect.top()+50);
    auto point = ui->widget_Top->mapToGlobal(QPoint(0, 0));
    QRect rect(point, ui->widget_Top->size());

    if(!rect.contains(m_lastPos))
    {
        event->accept();
        return;
    }

    int dx = event->globalX() - m_lastPos.x();
    int dy = event->globalY() - m_lastPos.y();
    move(x()+dx, y()+dy);
    m_lastPos = event->globalPos();
    event->accept();
}

/* 鼠标释放事件 */
void TemplateManager::mouseReleaseEvent(QMouseEvent *event)
{
    event->accept();
}