#include "EXDataTableView.h"

#include "EXDataViewDelegate.h"

#include "ProjectManager.h"
#include <dbService/CNodeDataService.h>
#include <dbService/ClassSet.h>
#include <dbService/UserService.h>
#include <dbService/NodeMatrixService.h>

#include <Widgets/Button.h>
#include <QBoxLayout>

#include <QTabWidget>
#include <QLabel>
#include <QTableView>
#include <QTableWidget>
#include <QAbstractItemModel>
#include <QStandardItemModel>
#include <QStandardItem>
#include <QHeaderView>
#include <QApplication>
#include <QDesktopWidget>
#include <QDateTime>
#include <QFileDialog>

#include <QDebug>

static const char *kTabName = "tabName";

EXDataItemModel::EXDataItemModel(QObject *parent) : QStandardItemModel(parent) { }

QVariant EXDataItemModel::data(const QModelIndex &index, int role) const
{
    QVariant value = QStandardItemModel::data(index, role);
    if (Qt::TextAlignmentRole == role) {
        value = Qt::AlignCenter;
    }
    return value;
}

EXDataTableView::EXDataTableView(SchemePlanManager::SchemeProcessInfo process, QWidget *parent)
    : QWidget(parent), m_process(process)
{
    m_mind1 = new CMind(this);
    m_mind2 = new CMind(this);
    initWidget();
    initLayout();
    connectSignalsAndSlots();

    m_comboDelegate = new EXDataTableComboDelegate(this);

    m_user = QFUser::currentUser();

    m_export = new QXlsx::Document(this);
}

SchemePlanManager::SchemeProcessInfo EXDataTableView::process() const
{
    return m_process;
}

void EXDataTableView::setProjectInfo(ProjectInfo *proj)
{
    m_proj = proj;
}

void EXDataTableView::initWidget()
{
    m_dataTab = new QTabWidget(this);
    m_dataTab->setTabPosition(QTabWidget::South);
    m_pageLab  = new QLabel(this);
    m_previous = new PushButton("上一级指标", this);
    m_next     = new PushButton("下一级指标", this);
    m_save     = new PushButton("保存", this);
    m_save->setHidden(true);
}

void EXDataTableView::initLayout()
{
    m_layout = new QVBoxLayout(this);
    m_layout->addWidget(m_dataTab);
    m_pageLayout = new QHBoxLayout();
    m_layout->addLayout(m_pageLayout);

    m_pageLayout->setSpacing(10);
    m_pageLayout->addStretch();
    m_pageLayout->addWidget(m_previous);
    m_pageLayout->addWidget(m_pageLab);
    m_pageLayout->addWidget(m_next);
    m_pageLayout->addStretch();
    m_pageLayout->addWidget(m_save);
}

void EXDataTableView::connectSignalsAndSlots()
{
    connect(m_previous, &PushButton::clicked, this, &EXDataTableView::slotPrevious);
    connect(m_next, &PushButton::clicked, this, &EXDataTableView::slotNext);
    connect(m_dataTab, &QTabWidget::currentChanged, this, &EXDataTableView::slotTabCurrentChanged);
    connect(m_save, &PushButton::clicked, this, &EXDataTableView::slotSave);
}

void EXDataTableView::setupModels()
{
    //     按照脑图层级创建各个表的 models
    m_models.clear();
    QList<CNodeData> hHeaders;
    QList<CNodeData> vHeaders;

    for (int i = 1; i < m_mind1->levels(); i++) {
        QList<EXDataItemModel *> modelList;

        // 方案优选和综合效能的评估数据采集页面只有一级, 不用切换页面
        if (m_process.type == SchemePlanManager::ImportEvalData
            && (m_process.indexType == ProjectManager::OptimalIndex
                || m_process.indexType == ProjectManager::EfficiencyIndex)) {
            vHeaders               = m_mind1->leaves();
            EXDataItemModel *model = new EXDataItemModel(this);
            updateModel(model, hHeaders, vHeaders);
            modelList.append(model);
            m_models[i] = modelList;
            break;
        }

        QList<CNodeData> nodes = m_mind1->nodesInLevel(i);
        for (int j = 0; j < nodes.count(); j++) {
            CNodeData node         = nodes[j];
            EXDataItemModel *model = new EXDataItemModel(this);
            connect(model, &QStandardItemModel::itemChanged, this, &EXDataTableView::itemChanged);

            if (m_process.type == SchemePlanManager::ImportWeightData) {
                hHeaders = m_mind1->subNodes(node);
                vHeaders = hHeaders;
                for (int i = 0; i < vHeaders.count(); i++) {
                    CNodeData vNode = vHeaders[i];
                    for (int j = 0; j < hHeaders.count(); j++) {
                        CNodeData hNode     = hHeaders[j];
                        QStandardItem *item = new QStandardItem();
                        item->setData(Qt::AlignCenter, Qt::TextAlignmentRole);
                        item->setEditable(false);
                        if (i == j) {
                            item->setText("1");
                        }
                        if (i >= j) {
                            item->setBackground(QBrush(QColor("lightgray")));
                        }
                        model->setItem(i, j, item);
                    }
                }
            }

            if (m_process.type == SchemePlanManager::ImportEvalData) {
                if (m_process.indexType == ProjectManager::TechIndex) {
                    hHeaders = m_mind1->subNodes(node);
                    vHeaders = m_mind2->leaves();
                    for (int i = 0; i < vHeaders.count(); i++) {
                        CNodeData vNode = vHeaders[i];
                        for (int j = 0; j < hHeaders.count(); j++) {
                            CNodeData hNode     = hHeaders[j];
                            QStandardItem *item = new QStandardItem();
                            model->setItem(i, j, item);
                        }
                    }
                }
            }

            model->setProperty(kTabName, node.name);
            updateModel(model, hHeaders, vHeaders);
            modelList.append(model);
        }
        m_models[i] = modelList;
    }

    setCurrentPage(1);
}

void EXDataTableView::setupTabWidget()
{
    m_dataTab->clear();

    QList<EXDataItemModel *> list = m_models[m_currentPage];
    for (int j = 0; j < list.size(); j++) {
        EXDataItemModel *model = list[j];
        QTableView *t          = new QTableView(m_dataTab);
        t->setAlternatingRowColors(m_mind2->nodeList().count() > 0);
        t->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
        t->horizontalHeader()->setStyleSheet("QHeaderView::section{background:rgb(244,244,244);color: black;}");
        t->verticalHeader()->setStyleSheet("QHeaderView::section{background:rgb(244,244,244);color: black;}");
        t->verticalHeader()->setDefaultAlignment(Qt::AlignCenter);
        t->setSelectionMode(QAbstractItemView::SingleSelection);
        t->setModel(model);
        m_dataTab->addTab(t, model->property(kTabName).toString());
        connect(t, &QTableView::clicked, this, &EXDataTableView::slotItemClicked);

        if (m_process.type == SchemePlanManager::ImportEvalData) {
            if (m_process.indexType == ProjectManager::TechIndex) {
                //                t->setItemDelegate(m_comboDelegate);
            }
        }
    }
}

int EXDataTableView::currentPage() const
{
    return m_currentPage;
}

void EXDataTableView::setCurrentPage(int p)
{
    if (p < 1 || p > m_models.size()) {
        return;
    }
    m_currentPage = p;
    m_previous->setEnabled(p > 1);
    m_next->setEnabled(p < m_models.size());
    setupTabWidget();

    m_pageLab->setText(QString("共 %1 页, 当前第 %2 页").arg(m_models.size()).arg(p));
}

CMind *EXDataTableView::mind1() const
{
    return m_mind1;
}

CMind *EXDataTableView::mind2() const
{
    return m_mind2;
}

bool EXDataTableView::checkDataComplete() const
{
    for (QList<EXDataItemModel *> modelList : m_models) {
        for (EXDataItemModel *model : modelList) {
            for (int r = 0; r < model->rowCount(); ++r) {
                for (int c = 0; c < model->columnCount(); ++c) {
                    QStandardItem *item = model->item(r, c);
                    if (item == nullptr || item->text().length() <= 0) {
                        return false;
                    }
                }
            }
        }
    }
    return true;
}

void EXDataTableView::exportData(const QString &path)
{
    QString filePath = path;
    QString fileName = m_user->userName + "-"
            + ProjectManager::nameOfIndexType((ProjectManager::IndexType)m_process.indexType) + "-"
            + m_proj->projectName;
    QDir dirReportPath(filePath);
    if (!dirReportPath.exists()) {
        if (dirReportPath.mkpath(filePath)) {
            filePath = filePath + "/" + fileName + tr(".xlsx");
        }
    } else {
        filePath = filePath + "/" + fileName + tr(".xlsx");
    }
    QFile file(fileName);
    if (file.exists()) {
        qDebug() << "--remove";
        file.remove();
    }

    for (int i = 1; i <= m_models.size(); i++) {
        QList<EXDataItemModel *> mList = m_models[i];
        for (int j = 0; j < mList.count(); j++) {
            EXDataItemModel *model = mList[j];
            m_export->addSheet(model->property(kTabName).toString());

            int row = model->rowCount();
            int col = model->columnCount();
            m_export->setColumnWidth(1, 20);
            for (int c = 2; c < col + 2; c++) {
                QStandardItem *hHead = model->horizontalHeaderItem(c - 2);
                m_export->write(1, c, hHead->text());
                m_export->setColumnWidth(c, hHead->text().size() == 0 ? 40 : hHead->text().size() * 4);
            }
            for (int r = 2; r < row + 2; r++) {
                QStandardItem *vHead = model->verticalHeaderItem(r - 2);
                m_export->write(r, 1, vHead->text());
                for (int c = 2; c < col + 2; c++) {
                    QStandardItem *item = model->item(r - 2, c - 2);
                    m_export->write(r, c, item->text());
                }
            }
        }
    }

    m_export->addSheet("专家信息");
    m_export->write(1, 1, "ID");
    m_export->write(1, 2, "账号");
    m_export->write(1, 3, "单位");
    m_export->write(1, 4, "职务");
    m_export->write(1, 5, "专业");
    m_export->write(1, 6, "联系方式");
    m_export->write(1, 7, "填写时间");
    m_export->write(1, 8, "备注");
    m_export->write(2, 1, m_user->id);
    m_export->write(2, 2, m_user->userName);
    m_export->write(2, 3, m_user->workPosition);
    m_export->write(2, 4, m_user->post);
    m_export->write(2, 5, m_user->major);
    m_export->write(2, 6, m_user->phone);
    m_export->write(2, 7, m_user->writeTime);
    m_export->write(2, 8, m_user->remark);

    qDebug() << filePath;

    m_export->saveAs(filePath);
}
void EXDataTableView::editItemData(const QModelIndex &index, const QString &val)
{
    int c                  = m_dataTab->currentIndex();
    QTableView *table      = (QTableView *)m_dataTab->widget(c);
    EXDataItemModel *model = (EXDataItemModel *)table->model();
    model->itemFromIndex(index)->setText(val);
    QString symmetry;
    if (val.startsWith("1/")) {
        symmetry = val.split("/")[1];
    } else {
        if (val == "0" || val == "1") {
            symmetry = val;
        } else {
            symmetry = "1/" + val;
        }
    }
    model->item(index.column(), index.row())->setText(symmetry);
}

void EXDataTableView::updateModel(EXDataItemModel *model, QList<CNodeData> &hHeaders, QList<CNodeData> &vHeaders)
{
    for (int i = 0; i < hHeaders.size(); i++) {
        CNodeData node      = hHeaders[i];
        QStandardItem *item = new QStandardItem(node.name);
        item->setToolTip(node.remark);
        model->setHorizontalHeaderItem(i, item);
    }

    for (int i = 0; i < vHeaders.size(); i++) {
        CNodeData node      = vHeaders[i];
        QStandardItem *item = new QStandardItem(node.name);
        item->setToolTip(node.remark);
        model->setVerticalHeaderItem(i, item);
    }
}

void EXDataTableView::slotPrevious()
{
    setCurrentPage(m_currentPage - 1);
}

void EXDataTableView::slotNext()
{
    setCurrentPage(m_currentPage + 1);
}

void EXDataTableView::slotTabCurrentChanged(int c)
{
    Q_UNUSED(c)
    //    updateCurrentTable();
}

void EXDataTableView::slotItemClicked(const QModelIndex &index)
{
    if (index.row() >= index.column()) {
        return;
    }

    if (m_process.type != SchemePlanManager::ImportWeightData) {
        return;
    }

    QStringList l = { "1/9", "1/7", "1/5", "1/3", "1", "3", "5", "7", "9" };

    QTableView *table      = (QTableView *)sender();
    EXDataItemModel *model = (EXDataItemModel *)table->model();
    //    SchemeBar *scheme =
    //            new SchemeBar(model->item(index.row(), 0)->text(),
    //            model->horizontalHeaderItem(index.column())->text(), l);
    SchemeBar *scheme = new SchemeBar(model->verticalHeaderItem(index.row())->text(),
                                      model->horizontalHeaderItem(index.column())->text(), l);
    scheme->setModal(true);
    scheme->setAttribute(Qt::WA_DeleteOnClose);

    connect(scheme, &SchemeBar::setValue, [=](QString val) { editItemData(index, val); });

    scheme->show();
    QPoint p = QCursor::pos();
    if (p.x() + scheme->width() + 10 >= QApplication::desktop()->width()) {
        p.setX(QApplication::desktop()->width() - 10 - scheme->width());
    }
    scheme->move(p);
}

void EXDataTableView::slotSave()
{
    return;
    int c                  = m_dataTab->currentIndex();
    QTableView *table      = (QTableView *)m_dataTab->widget(c);
    EXDataItemModel *model = (EXDataItemModel *)table->model();

    QList<NodeMatrixInfo *> values;

    if (m_process.type == SchemePlanManager::ImportWeightData) {
        for (int i = 0; i < model->rowCount(); i++) {
            QStandardItem *row = model->verticalHeaderItem(i);
            for (int j = 0; j < model->columnCount(); j++) {
                QStandardItem *col  = model->horizontalHeaderItem(j);
                QStandardItem *item = model->item(i, j);

                NodeMatrixInfo *info = new NodeMatrixInfo();
                info->expertName     = m_user->userName;
                info->expertId       = QString("%1").arg(m_user->id);
                info->engineerId     = m_process.projectId;
                info->mindId         = m_process.dSource;
                info->abscissa       = col->text();
                info->ordinate       = row->text();
                info->writeDate      = QDateTime::currentDateTime();
                info->mark           = QString("%1").arg(m_currentPage);
                info->nodeValue      = item->text();
                info->tableMsg       = QString("%1").arg(m_process.indexType);

                values.append(info);
            }
        }
    }

    NodeMatrixService().AddNodeMatrixInfoList2(values);
}

void EXDataTableView::itemChanged(QStandardItem *item)
{
    emit signalItemEdited();

    if (m_process.type == SchemePlanManager::ImportWeightData) {
        return;
    }

    QString Pattern("(\\d*\\.?\\d*)");  // 匹配非负数
    QRegExp reg(Pattern);
    if (!reg.exactMatch(item->text())) {
        item->setText("");
    }
}