#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QSplitter>
#include <QListView>
#include <QTableView>
#include <QHeaderView>
#include <QDateTime>
#include <QDebug>
#include <QItemSelectionModel>
#include <QtCharts/QDateTimeAxis>
#include <QtCharts/QValueAxis>
#include <QMessageBox>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent),
      ui(new Ui::MainWindow),
      m_busCore(new SoftBusCore(this)),
      m_serialManager(new SerialManager(m_busCore, this)),
      m_dataTable(new QTableView(this)),
      m_serial_settingsModel(new QStandardItemModel(this)),
      m_deviceModel(new QStandardItemModel(this)),
      m_dataModel(new QStandardItemModel(this)),
      m_dataSeries(new QLineSeries())
{
    ui->setupUi(this);
    // 初始化系统
    initializeSystem();

    // 创建UI
    createUI();

    // 创建连接
    createConnections();

    // 启动串口监控
    m_serialManager->startDiscovery();

    // 更新设备列表
    updateDeviceList();
}

MainWindow::~MainWindow()
{
    // 停止串口监控
    m_serialManager->stopDiscovery();
}

void MainWindow::initializeSystem()
{
    // 初始化数据库
    if (!m_busCore->initDB("raw_db", "bus_db"))
    {
        qCritical() << "Failed to initialize database";
    }

    // 注册串口设备
    foreach (const QString &portName, m_serialManager->getAvailablePorts())
    {
        DeviceInfo device;
        device.id = portName;
        device.type = "serial";
        device.address = portName;
        device.protocol = "modbus"; // 默认协议
        m_busCore->registerDevice(device);
    }
}

void MainWindow::createUI()
{
    // 左侧设备列表
    ui->listV_device->setModel(m_deviceModel);

    // 右侧数据表格(上方为配置表格 ，下方为图表) )
    ui->tableV_serial_set->setModel(m_serial_settingsModel);
    ui->tableV_serial_set->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    m_serial_settingsModel->setHorizontalHeaderLabels({"参数", "值"});

    SerialManager::SerialConfig config = m_serialManager->getSerialConfig();

    QList<QStandardItem *> baudRateRow;
    baudRateRow << new QStandardItem("波特率") << new QStandardItem(QString::number(config.baudRate));
    m_serial_settingsModel->appendRow(baudRateRow);

    QList<QStandardItem *> dataBitsRow;
    dataBitsRow << new QStandardItem("数据位") << new QStandardItem(QString::number(config.dataBits));
    m_serial_settingsModel->appendRow(dataBitsRow);

    QList<QStandardItem *> parityRow;
    parityRow << new QStandardItem("校验") << new QStandardItem(QString::number(config.parity));
    m_serial_settingsModel->appendRow(parityRow);

    QList<QStandardItem *> stopBitsRow;
    stopBitsRow << new QStandardItem("停止位") << new QStandardItem(QString::number(config.stopBits));
    m_serial_settingsModel->appendRow(stopBitsRow);

    QList<QStandardItem *> flowControlRow;
    flowControlRow << new QStandardItem("流控") << new QStandardItem(QString::number(config.flowControl));
    m_serial_settingsModel->appendRow(flowControlRow);

    // Raw Data Table
    ui->tableV_raw_data->setModel(m_dataModel);
    m_dataModel->setHorizontalHeaderLabels({"时间", "来源", "协议", "数据"});
    ui->tableV_raw_data->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    ui->tableV_raw_data->setEditTriggers(QAbstractItemView::NoEditTriggers);
    ui->tableV_raw_data->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui->tableV_raw_data->setSelectionMode(QAbstractItemView::SingleSelection);

    // ui->tableV_bus_data->setModel();
}

void MainWindow::createConnections()
{
    // 设备注册/注销信号
    connect(m_busCore, &SoftBusCore::deviceRegistered, this, &MainWindow::updateDeviceList);
    connect(m_busCore, &SoftBusCore::deviceUnregistered, this, &MainWindow::updateDeviceList);

    // 总线消息存储信号
    connect(m_busCore, &SoftBusCore::busMessageStored, this, &MainWindow::updateChart);

    // 设备选择信号
    connect(ui->listV_device->selectionModel(), &QItemSelectionModel::currentChanged,this, &MainWindow::onDeviceSelected);

    // 串口管理器信号
    connect(m_serialManager, &SerialManager::portDiscovered, this, [this](const QString &portName, const QString &desc)
            {
        Q_UNUSED(desc);
        updateDeviceList(); });

    connect(m_serialManager, &SerialManager::portRemoved, this, [this](const QString &portName)
            { updateDeviceList(); });

    connect(m_serialManager, &SerialManager::dataReceived, this, &MainWindow::onSerialDataReceived);
}

void MainWindow::updateDeviceList()
{
    m_deviceModel->clear();

    // 添加串口设备
    foreach (const QString &portName, m_serialManager->getAvailablePorts())
    {
        QStandardItem *item = new QStandardItem("串口: " + portName);
        item->setData(portName, Qt::UserRole);
        m_deviceModel->appendRow(item);
    }

    // 添加其他类型设备（CAN、以太网等）
    // ...
}

void MainWindow::onDeviceSelected(const QModelIndex &index)
{
    if (index.isValid())
    {

        // 显示设备相关数据
        QString deviceId = index.data(Qt::UserRole).toString();
        m_currentDeviceId = deviceId;

        m_serialManager->openSerialPort(QSerialPortInfo(deviceId));

        showRawData(deviceId);
        showBusMessages(deviceId);
    }
}

void MainWindow::showRawData(const QString &deviceId)
{
    m_dataModel->removeRows(0, m_dataModel->rowCount());

    // 查询最近10分钟的原始数据
    qint64 endTime = QDateTime::currentMSecsSinceEpoch();
    qint64 startTime = endTime - 10 * 60 * 1000;

    QList<QByteArray> rawData = m_busCore->queryRawData(deviceId, startTime, endTime);

    for (const QByteArray &data : rawData)
    {
        QList<QStandardItem *> row;
        // 时间戳是数据的前8个字节
        qint64 timestamp = *reinterpret_cast<const qint64 *>(data.constData());
        row << new QStandardItem(QDateTime::fromMSecsSinceEpoch(timestamp).toString("hh:mm:ss"));
        row << new QStandardItem(deviceId);
        row << new QStandardItem("RAW");
        row << new QStandardItem(data.mid(8).toHex());
        m_dataModel->appendRow(row);
    }
}

void MainWindow::showBusMessages(const QString &source)
{
    // 查询最近10分钟的总线消息
    qint64 endTime = QDateTime::currentMSecsSinceEpoch();
    qint64 startTime = endTime - 10 * 60 * 1000;

    QList<BusMessage> messages = m_busCore->queryBusMessages(source, "data_processor", startTime, endTime);

    for (const BusMessage &msg : messages)
    {
        QList<QStandardItem *> row;
        row << new QStandardItem(QDateTime::fromMSecsSinceEpoch(msg.timestamp).toString("hh:mm:ss"));
        row << new QStandardItem(msg.source);
        row << new QStandardItem(msg.payload["protocol"].toString());

        QString dataStr;
        if (msg.payload["protocol"] == "modbus")
        {
            dataStr = QString("ID:%1 FN:%2")
                          .arg(msg.payload["slave_id"].toInt())
                          .arg(msg.payload["function_code"].toInt());
        }
        else
        {
            dataStr = msg.payload["raw_data"].toString();
        }

        row << new QStandardItem(dataStr);
        m_dataModel->appendRow(row);
    }
}

void MainWindow::updateChart(const BusMessage &message)
{
    if (message.payload["protocol"] != "modbus")
        return;

    // 解析Modbus数据并更新图表
    QJsonArray dataArray = message.payload["data"].toArray();
    if (dataArray.size() > 0)
    {
        double value = dataArray[0].toDouble();
        qint64 timestamp = message.timestamp;

        m_dataSeries->append(timestamp, value);

        // 限制图表显示的数据点数量
        if (m_dataSeries->count() > 100)
        {
            m_dataSeries->removePoints(0, m_dataSeries->count() - 100);
        }
    }
}

// btn_fun
// QCheckBox *checkBox_serial_hex;
// QCheckBox *checkBox_serial_ascii;
// QTextEdit *textEdit_serial;
// QPushButton *btn_serial_clear;
// QPushButton *btn_serial_send;
void MainWindow::on_btn_serial_clear_clicked()
{
    ui->textEdit_serial->clear();
}


void MainWindow::on_btn_serial_clear_send_clicked()
{
    ui->lineEdit_serial_send->clear();
}

// 发送串口数据
void MainWindow::on_btn_serial_send_clicked()
{
    if (!m_serialManager->isPortOpen(m_currentDeviceId)) {
        QMessageBox::warning(this, "串口未打开", "请先打开串口设备");
        return;
    }

    QString dataToSend = ui->lineEdit_serial_send->text();

    if (dataToSend.isEmpty()) {
        QMessageBox::information(this, "发送数据", "请输入要发送的数据");
        return;
    }

    // 根据当前显示模式处理数据
    if (ui->checkBox_serial_hex->isChecked()) {
        // 十六进制模式 - 将输入视为十六进制字符串
        QByteArray hexData = QByteArray::fromHex(dataToSend.toLatin1());
        m_serialManager->writeData(m_currentDeviceId,hexData);
    } else {
        // ASCII模式 - 直接发送文本
        m_serialManager->writeData(m_currentDeviceId,dataToSend.toUtf8());
    }

    // 在接收区显示发送的数据（带发送标记）
    QString timestamp = QDateTime::currentDateTime().toString("[hh:mm:ss]");
    ui->textEdit_serial->append(QString("<span style='color:blue;'>%1 [发送] %2</span>")
                                    .arg(timestamp)
                                    .arg(dataToSend));

    // 清空发送输入框
    // ui->lineEdit_serial_send->clear();
}

// 处理接收到的串口数据
void MainWindow::onSerialDataReceived(const QString &portName, const QByteArray &data)
{
    QString displayData;
    QString timestamp = QDateTime::currentDateTime().toString("[hh:mm:ss]");

    if (ui->checkBox_serial_hex->isChecked()) {
        // 十六进制显示
        displayData = data.toHex(' ').toUpper();
    } else {
        // ASCII显示
        displayData = QString::fromUtf8(data);

        // 替换控制字符为可见表示
        displayData.replace('\r', "\\r");
        displayData.replace('\n', "\\n");
        displayData.replace('\t', "\\t");
    }

    ui->textEdit_serial->append(QString("<span style='color:green;'>%1 串口%2 [接收] %3</span>")
                                    .arg(timestamp)
                                    .arg(portName)
                                    .arg(displayData));
}

// 切换显示模式
void MainWindow::on_checkBox_serial_hex_toggled(bool checked)
{
    ui->checkBox_serial_ascii->setChecked(!checked);

    // 重新显示当前内容
    QString currentText = ui->textEdit_serial->toPlainText();
    ui->textEdit_serial->clear();
    ui->textEdit_serial->setText(currentText);
}

void MainWindow::on_checkBox_serial_ascii_toggled(bool checked)
{
    ui->checkBox_serial_hex->setChecked(!checked);

    // 重新显示当前内容
    QString currentText = ui->textEdit_serial->toPlainText();
    ui->textEdit_serial->clear();
    ui->textEdit_serial->setText(currentText);
}