#include "TearingDataTableWidget.h"
#include <QVBoxLayout>
#include <QHeaderView>
#include <QTableWidgetItem>
#include <QBrush>
#include <QColor>
#include <QApplication>
#include <QStyle>
#include <QRegExp>

TearingDataTableWidget::TearingDataTableWidget(QWidget *parent)
    : QWidget(parent)
    , m_tableWidget(nullptr)
{
    setupUI();
    setupTable();
}

TearingDataTableWidget::~TearingDataTableWidget()
{
}

void TearingDataTableWidget::setupUI()
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    
    m_tableWidget = new QTableWidget(this);
    layout->addWidget(m_tableWidget);
    
    setLayout(layout);
}

void TearingDataTableWidget::setupTable()
{
    // 设置表头标签
    QStringList headers;
    // headers  << "ID" << "等级" << "状态" << "类型" /*<< "起始行" << "结束行" */<< "深度" << "宽度" << "长度" << "老化";
    headers  << "ID" << "状态" << "类型" << "深度(mm)" << "宽度(mm)" << "长度(mm)";

    // 设置表格属性
    m_tableWidget->setColumnCount(headers.size());
    m_tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    m_tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_tableWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    m_tableWidget->verticalHeader()->setVisible(false);
    m_tableWidget->setHorizontalHeaderLabels(headers);

#if 0
    m_tableWidget->horizontalHeader()->setStretchLastSection(true);
#else
    // 启用交互式列宽调整
    m_tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Interactive);
    
    // 设置列宽
    m_tableWidget->setColumnWidth(0, 62);  // ID列
    m_tableWidget->setColumnWidth(1, 100);  // 状态列
    m_tableWidget->setColumnWidth(2, 80);  // 类型列
    m_tableWidget->setColumnWidth(3, 100);  // 深度列
    m_tableWidget->setColumnWidth(4, 100);  // 宽度列
    m_tableWidget->setColumnWidth(5, 100);  // 长度列
#endif
    // 设置样式表
    m_tableWidget->setStyleSheet(
        "QTableWidget {"
        "    background-color: rgb(37,38,42);"
        "    gridline-color: rgb(60,60,60);"
        "    selection-background-color: rgb(80,80,80);"
        "}"
        "QTableWidget::item {"
        "    color: white;"
        "}"
        "QHeaderView::section {"
        "    background-color: rgb(45,45,45);"
        "    color: white;"
        "    padding: 4px;"
        "}"
    );

       // 启用表格排序功能
    m_tableWidget->setSortingEnabled(true);
    
    // 设置默认按ID列升序排序
    m_tableWidget->sortItems(0, Qt::AscendingOrder);
}

void TearingDataTableWidget::addData(const TearingData &data)
{
    // 查找是否已存在相同ID的行
    int existingRow = findExistingRowById(data.id);

    int row;
    if (existingRow >= 0) {
        // 如果存在相同ID，更新该行
        row = existingRow;
    } else {
        // 如果不存在，插入新行
        row = m_tableWidget->rowCount();
        m_tableWidget->insertRow(row);
    }

    // 使用结构体数据填充表格，状态和类型显示中文，并设置居中对齐
    NumericTableWidgetItem *idItem = new NumericTableWidgetItem(data.id);
    idItem->setTextAlignment(Qt::AlignCenter);  // ID列文字居中显示
    m_tableWidget->setItem(row, 0, idItem);
    
    QTableWidgetItem *statusItem = new QTableWidgetItem(getTearStatusText(data.tearStatus));
    statusItem->setTextAlignment(Qt::AlignCenter);  // 状态列文字居中显示
    m_tableWidget->setItem(row, 1, statusItem);
    
    QTableWidgetItem *typeItem = new QTableWidgetItem(getTearTypeText(data.tearType));
    typeItem->setTextAlignment(Qt::AlignCenter);  // 类型列文字居中显示
    m_tableWidget->setItem(row, 2, typeItem);
    
    m_tableWidget->setItem(row, 3, new QTableWidgetItem(data.tearDepth));
    m_tableWidget->setItem(row, 4, new QTableWidgetItem(data.tearWidth));
    // m_tableWidget->setItem(row, 5, new QTableWidgetItem(data.tearLength));
    m_tableWidget->setItem(row, 5, new QTableWidgetItem(data.statLineIdx));

    // 设置item的文本颜色
    for (int i = 0; i < m_tableWidget->horizontalHeader()->count(); i++) {
        QTableWidgetItem *item = m_tableWidget->item(row, i);
        if (item) {
            item->setForeground(QBrush(Qt::white));
        }
    }
    
    // 保持表格按ID列排序
    m_tableWidget->sortItems(0, Qt::AscendingOrder);
}

void TearingDataTableWidget::addData(const std::vector<TearingData> &dataList)
{
    // 遍历vector中的所有数据并添加到表格
    for (const auto &data : dataList) {
        addData(data);
    }
}

void TearingDataTableWidget::addData(const QJsonObject &json)
{
    TearingData data = TearingData::fromJsonObject(json);
    addData(data);
}

void TearingDataTableWidget::clearData()
{
    m_tableWidget->setRowCount(0);
}

QString TearingDataTableWidget::getTearStatusText(const QString &status)
{
    // 将ESG_tearStatus枚举值转换为中文显示
    if (status == "0" || status.contains("Uknown")) {
        return "未知";
    } else if (status == "1" || status.contains("New")) {
        return "新发现";
    } else if (status == "2" || status.contains("Growing")) {
        return "正在增长";
    } else if (status == "3" || status.contains("Ended")) {
        return "撕裂结束";
    } else if (status == "4" || status.contains("Invalid")) {
        return "无效撕裂";
    }
    return status; // 如果无法识别，返回原值
}

QString TearingDataTableWidget::getTearTypeText(const QString &type)
{
    // 将ESG_tearType枚举值转换为中文显示
    if (type == "0" || type.contains("Uknown")) {
        return "未知";
    } else if (type == "1" || type.contains("MachineDir")) {
        return "纵撕";
    } else if (type == "2" || type.contains("CrossWise")) {
        return "横撕";
    }
    return type; // 如果无法识别，返回原值
}

int TearingDataTableWidget::findExistingRowById(const QString &id)
{
    // 在表格中查找具有相同ID的行
    for (int row = 0; row < m_tableWidget->rowCount(); ++row) {
        QTableWidgetItem *item = m_tableWidget->item(row, 0); // ID在第0列
        if (item && item->text() == id) {
            return row;
        }
    }
    return -1; // 未找到
}

// NumericTableWidgetItem类的实现
NumericTableWidgetItem::NumericTableWidgetItem(const QString &text)
    : QTableWidgetItem(text)
{
}

bool NumericTableWidgetItem::operator<(const QTableWidgetItem &other) const
{
    // 尝试将文本转换为数字进行比较
    double thisValue = toDouble();
    double otherValue = static_cast<const NumericTableWidgetItem*>(&other)->toDouble();
    
    // 如果两个值都有效，则按数字比较
    if (thisValue != -1 && otherValue != -1) {
        return thisValue < otherValue;
    }
    
    // 否则按默认的字符串比较
    return QTableWidgetItem::operator<(other);
}

double NumericTableWidgetItem::toDouble() const
{
    bool ok;
    // 尝试直接转换为double
    double value = text().toDouble(&ok);
    if (ok) {
        return value;
    }
    
    // 如果直接转换失败，尝试提取数字部分
    QRegExp rx("(\\d+)");
    if (rx.indexIn(text()) != -1) {
        return rx.cap(1).toDouble(&ok);
    }
    
    // 如果所有方法都失败，返回-1表示无效值
    return -1;
}