#include "LogInfo.h"
#include "ui_loginfo.h"
#include <QTime>
#include <QDir>
#include <QDebug>
#include <QFile>
#include <QIODevice>
#include <QTextDocumentWriter>
#include <QMessageBox>
#include "DevOp.h"
#include <stdio.h>
#include "myinclude.h"
#include <QScrollBar>
#include <QSettings>

#ifndef LOGINFOFILE_DIR
    #define LOGINFOFILE_DIR "/home/plg/loginfo/"
#endif
#define UDISK_LOGINFO_ROOT_DIR	"/udisk/log/"

LogInfo::LogInfo(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::LogInfo)
{
    ui->setupUi(this);
    ui->textEditRunStatus->setReadOnly(true);
    ui->textEditRunStatus_2->setReadOnly(true);
    textEdit = ui->textEditRunStatus;
    textEdit->verticalScrollBar()->setStyleSheet("QScrollBar:vertical { width: 40px; }");
    textEdit2 = ui->textEditRunStatus_2;
    //textEdit2->verticalScrollBar()->setStyleSheet("QScrollBar:vertical { width: 40px; }");
   textEdit2->verticalScrollBar()->setStyleSheet("QScrollBar:vertical { width: 40px; }");


    textEditMachInfo = ui->machinInformation;
    runStatusTextIndex = 0;
    openFileName ="";
    ui->labelPreFileName->setText("");
    //currenDate="";
    //r_CurrentDate=QDate::currentDate().toString("yyyyMMdd");

    textEdit2->append(tr("请先打开历史状态文件!"));
    if(!QDir("/home/plg").exists())
        QDir("/home/plg").mkdir("/home/plg");
    readRunStatusText();
    runStatusTextIndex =  textEdit->document()->lineCount();
    fileDialog=0;  // 先初始化为0 ，否则会死机

    QFile file(SYS_ROOT_DIR"UseEn");
    if(!file.exists()){
        onReadRecorder( );
    }
    timerLogdel=new QTimer(this);
    connect(timerLogdel, SIGNAL(timeout()), this, SLOT(deleteOldLog()));
    //延时60秒删除日志文件
    timerLogdel->start(60000);
    setScrollBar();
}

LogInfo::~LogInfo()
{
	textEdit = 0;
        textEdit2 = 0;
        textEditMachInfo = 0;
        if(fileDialog)
            delete fileDialog;
    delete ui;

        disconnect(timerLogdel, SIGNAL(timeout()), this, SLOT(deleteOldLog()));
        timerLogdel->stop();
}

QTextEdit *LogInfo::textEdit = 0;
QTextEdit *LogInfo::textEdit2 = 0;
QTextEdit *LogInfo::textEditMachInfo = 0;

int LogInfo::runStatusTextIndex = 0;

void LogInfo::showMachineInformation(QString Mac,QString SerialNum, QString VernonBachVer, QString FpgaVer)
{
    QString machInfo;
    machInfo = "Mac:" + Mac + "\n";
    machInfo += "VernonBach Ver:" + VernonBachVer + "\n";
    machInfo += "FPGA Ver:" + FpgaVer;
    textEditMachInfo->setText(machInfo);
}

void LogInfo::showVerionInformation(QString Mac,QString VernonBachVer, QString FpgaVer,QString STM32Ver,bool powerOnMode)
{
    static bool flag = false;
    if(!flag){
        QString machInfo;
          machInfo = "Mac:" + Mac + "\n";
        machInfo += "VernonBach Ver:" + VernonBachVer +"|"+STM32Ver+ "\n";
        machInfo += "FPGA Ver: NO" + FpgaVer + "\n";
        machInfo += "PowerOnMode: " + QString::number(powerOnMode) + "\n";
        textEditMachInfo->append(machInfo);
    }
}

void LogInfo::showRemoteControll(QString SuperNode, QString edgeIP)
{
    QString machInfo = textEditMachInfo->toPlainText();
    machInfo += "SuperNode:" + SuperNode + "\n";
    machInfo += "edgeIP:" + edgeIP + "\n";
    textEditMachInfo->setText(machInfo);
}

//edit@01-11
void LogInfo::setRunStatusText(QString str){
    if(!textEdit){
        return;
    }
    const int maxTextEditHeight = 2000;
    if(textEdit->document()->size().height() > maxTextEditHeight)
    {
        textEdit->clear();      //显示今天全部信息,加载太多可能会死机
    }
    str.prepend(QString("%1. %2:").arg(QString::number(runStatusTextIndex ++ )).arg(QTime::currentTime().toString("hh:mm:ss")));
    textEdit->append(str);
    {
        // 使用静态缓冲区批量写入，避免每次调用都 open/close 文件导致 ARM 板 I/O 繁忙
        static QStringList pendingLines;
        static QString lastDate;
        static int pendingTotalLen = 0;  // 增量维护总字符数，避免每次扫描
        const QString dts = QDate::currentDate().toString("yyyyMMdd");
        if(dts != lastDate){
            // 日期变化时先把旧缓冲写入旧文件
            if(!pendingLines.isEmpty() && !lastDate.isEmpty()){
                QString oldFile = QString(LOGINFOFILE_DIR) + lastDate + "_1.txt";
                QFile f(oldFile);
                if(f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append)){
                    QTextStream out(&f);
                    for(const QString &line : pendingLines)
                        out << line << endl;
                    f.close();
                }
                pendingLines.clear();
                pendingTotalLen = 0;
            }
            lastDate = dts;
        }
        pendingLines.append(str);
        pendingTotalLen += str.length();
        // 每累积 10 条或字符总量超过 2KB 时批量写入一次
        if(pendingLines.size() >= 10 || pendingTotalLen > 2048){
            QString fileNameL = QString(LOGINFOFILE_DIR) + dts + "_1.txt";
            QFile file(fileNameL);
            if(file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append)){
                QTextStream out(&file);
                for(const QString &line : pendingLines)
                    out << line << endl;
                file.close();
            }
            pendingLines.clear();
            pendingTotalLen = 0;
            truncatelog();
        }
    }
}

QString LogInfo::getRunStatusText(void){
    return "";
}

void LogInfo::readRunStatusText()
{
    QString fileName;
    if(textEdit){
        QDir dir1;
        dir1.setPath(LOGINFOFILE_DIR);
        if(!dir1.exists())
          dir1.mkdir(QString ("/home/plg/loginfo/"));
        fileName=QString("/home/plg/loginfo/")+QDate::currentDate().toString("yyyyMMdd")+"_1.txt";
        QFile file(fileName);
        if(file.exists()){
            if(!file.open(QIODevice::ReadOnly | QIODevice::Text)){
                QMessageBox::warning(this,tr("警告"),tr("无法打开文件") + file.fileName());
            }
            else{
                QTextStream in (&file);
                textEdit->setText(in.readAll());
            }
            file.close();
            ui->tabWidget->setCurrentWidget(ui->tab);
        }

        QDate date1 = QDate::currentDate();
        for(int i=0;i<8;i++)
        {
            fileName=QString("/home/plg/loginfo/")+date1.addDays(-i-5).toString("yyyyMMdd")+".txt";
            file.setFileName(fileName);
            if(file.exists()){
                file.remove();
            }
        }
    }
}


void LogInfo::on_pushButtonExportFile_pressed()
{
    QMessageBox::StandardButton ret;
    ret = QMessageBox::information(this, tr("提示"),
                                   tr("是否确认将所有日志文件导出到U盘?"),
                                   QMessageBox::Ok | QMessageBox::Cancel);
    if (ret == QMessageBox::Ok){
        //QString dirPath = ui->radioButtonLocal->isChecked()?DOC_ROOT_DIR:UDISK_LOGINFO_ROOT_DIR;
        QDir dir(UDISK_LOGINFO_ROOT_DIR);
        if(!dir.exists()){
//            system((char *)((QString("mkdir -p %1").arg(UDISK_LOGINFO_ROOT_DIR)).toLatin1().data()));
            system((char *)((QString("mkdir -p %1").arg(UDISK_LOGINFO_ROOT_DIR)).toLocal8Bit().data()));
        }

        if(!dir.exists()){
            QMessageBox::warning(this,tr("警告"),tr("U盘目录创建失败"));
            return;
        }

        //插入U盘后,检测目录usb-storage是否存在
        if(!QDir("/proc/scsi/usb-storage/").exists()){
            QMessageBox::warning(this,tr("警告"),tr("U盘未插入或无法识别,请重新插拔设备!"));
            return;
        }

//        system((char *)((QString("cp -r %1/* %2/").arg(LOGINFOFILE_DIR).arg(UDISK_LOGINFO_ROOT_DIR)).toLatin1().data()));
        system((char *)((QString("cp -r %1/* %2/").arg(LOGINFOFILE_DIR).arg(UDISK_LOGINFO_ROOT_DIR)).toLocal8Bit().data()));
        //refreshListView(EditMode);
        system("sync");
        QMessageBox::information(this, tr("提示"),
                                 tr("成功导出到U盘"));
    }
}

void LogInfo::on_pushButtonPreState_pressed(){

    if(textEdit2){
        //setRunStatusText(QString("FILE COUNT:%1").arg( QDir("/home/plg/loginfo/").count()));
        //if(  QDir("/home/plg/loginfo/").count()<4) {
        if(  QDir("/home/plg/loginfo/").count()<1) {
            //QMessageBox::warning(this,"警告","没有历史文件");
            textEdit2->setText( "目前历史文件数量为0个");
            return;
        }
        //qDebug()<<"3333";
        if(openFileName.isEmpty())  textEdit2->clear();
        if(fileDialog) {
           // qDebug()<<"4444";
            disconnect(fileDialog,SIGNAL(accepted()),0,0); // 如果对话框已经定义，则删除控件关联，否则也会出错。

        }
        else {//qDebug()<<"5";
            fileDialog = new MyFileDialog(0);
        //qDebug()<<"6";
        }
        //qDebug()<<"7";
        QDir dir1;
        dir1.setPath(QString ("/home/plg/loginfo/"));

        if(!dir1.exists())
        {dir1.mkdir(QString ("/home/plg/loginfo/"));}
        if(fileDialog){
            //qDebug()<<"8";

           if(fileDialog->directory().path()!="/home/plg/loginfo")
                fileDialog->setDirectory(QDir("/home/plg/loginfo"));


            //qDebug()<<"read File 3.2"<<dir1.Name;
            connect(fileDialog,SIGNAL(accepted()),this,SLOT(onOpen_FIle_select()));
            //qDebug()<<"read File 4"<<dir1.Name;
            fileDialog->showFileDialog(tr("选择历史记录文件"),dir1.path(),QString("Txt files (*.txt)"));
            //qDebug()<<"read File 5";
        }
        //else qDebug()<<"read File:"<<dir1.path();
   }
}


void LogInfo::onOpen_FIle_select()
{
    QStringList	files = fileDialog->selectedFiles();
    if( files.size()==0) return ;
    if(QString(files[0]).isNull()) return;
    QString fileName = files[0];

    if(!fileName.endsWith(".txt",Qt::CaseInsensitive)) return ;

    openFileName = fileName;
    QFile file(openFileName);
    if(!file.open(QIODevice::ReadOnly | QIODevice::Text)){
        QMessageBox::warning(this,tr("警告"),tr("无法打开文件") + openFileName);
    }
    else{
        QTextStream in (&file);
        textEdit2->setText(in.readAll());
        textEdit2->moveCursor(QTextCursor::End);//滚动条移到底部
        //ui->labelPreFileName->setText(file.fileName());
        QFileInfo info(file.fileName());
        ui->labelPreFileName->setText(info.fileName());
    }
    file.close();
    ui->tabWidget->setCurrentWidget(ui->tab_2);

}

void LogInfo::on_pushButtonClear_pressed()
{
    QMessageBox::StandardButton ret;
    ret = QMessageBox::information(this, tr("提示"),
                                   tr("是否确认将历史日志文件全部清除?"),
                                   QMessageBox::Ok | QMessageBox::Cancel);
    if (ret == QMessageBox::Ok){
        QDir dir1(QString("/home/plg/loginfo/"));
        if(dir1.exists())
        {
            system((char *)QString("rm /home/plg/loginfo/*.*").toLatin1().data());
            deleteDirectoryContents(dir1);
        }
        else system((char *)QString("mkdir /home/plg/loginfo/").toLatin1().data());
    }
}

void LogInfo::on_pushButtonClearCurrent_pressed()
{
    QMessageBox::StandardButton ret;
    ret = QMessageBox::information(this, tr("提示"),
                                   tr("是否确认将当前日志全部清除?"),
                                   QMessageBox::Ok | QMessageBox::Cancel);
    if (ret == QMessageBox::Ok){
        textEdit->clear();
        runStatusTextIndex=0;
    }
}
void LogInfo::onReadRecorder()
{
    QString fileName = ":/buge_record.txt";

    if(!fileName.endsWith(".txt",Qt::CaseInsensitive)) return ;
    QFile file(fileName);
    if(!file.open(QIODevice::ReadOnly | QIODevice::Text)){
        QMessageBox::warning(this,tr("警告"),tr("无法打开文件") + openFileName);
    }
    else{
        QTextStream in (&file);
        textEditMachInfo->setText(in.readAll());
        }
}


void LogInfo::deleteDirectoryContents(const QDir &directory) {
    QList<QFileInfo> entries = directory.entryInfoList(
          QDir::NoDotAndDotDot | QDir::AllEntries);
        QString today = QDate::currentDate().toString(Qt::ISODate);
      // 使用传统的 for 循环遍历所有条目
      for (int i = 0; i < entries.size(); ++i) {
          QFileInfo entryInfo = entries.at(i);
          QString dirName=entryInfo.baseName();
          if(today==dirName)
              continue;
          QString fullPath = entryInfo.absoluteFilePath();

          if (entryInfo.isFile() || entryInfo.isSymLink()) {
              // 如果是文件或符号链接，尝试删除
              if (!QFile::remove(fullPath)) {
                  qDebug() << "Failed to remove file or symlink:" << fullPath;
              }
          } else if (entryInfo.isDir()) {
              // 如果是目录，递归调用以删除其内容
              QDir subDir(fullPath);
              deleteDirectoryContents(subDir);

              // 目录现在应该是空的，尝试删除它
              if (!QDir().rmdir(fullPath)) {
                  qDebug() << "Failed to remove directory:" << fullPath;
              }
          }
      }
}

// 删除指定文件夹超过七天的文件
void LogInfo::deleteOldLog(const QString folderPath,int days){
    QDir dir(folderPath);   // 创建一个QDir对象用于操作传入的文件夹路径
        if (!dir.exists()) {    // 判断传入文件夹是否存在
            qDebug() << "文件夹不存在";
            return;
        }
        QDateTime currentDateTime = QDateTime::currentDateTime();  // 获取当前时间
        QDateTime sevenDaysAgo = currentDateTime.addDays(-days);  // 计算days天前的日期时间
        // 目录下的文件和子目录的信息列表，列出所有文件和子目录并按照最后修改时间排序
        QFileInfoList fileInfoList = dir.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot, QDir::Time);
        foreach (QFileInfo fileInfo ,fileInfoList) {
            if (!fileInfo.isDir()){
                QString fileExtension = fileInfo.suffix().toLower();   // 获取文件的扩展名并确保它是小写的
                // 选择删除那种图片类型
                if (fileExtension == "txt") {
                    if (fileInfo.lastModified() < sevenDaysAgo && fileInfo.fileName().indexOf('_')!=-1) {    // 获取最后一个文件夹修改时间和days传入的时间最对比
                        if (QFile::remove(fileInfo.absoluteFilePath())) {  // 删除满足条件的文件的绝对路径
                            qDebug() << "删除成功" << fileInfo.absoluteFilePath();
                        } else {
                            qDebug() << "文件删除失败" << fileInfo.absoluteFilePath();
                        }
                    }
                }
            }
        }
}

void LogInfo::deleteOldLog()
{
    qDebug()<<"延时60秒删除过期日志";
    deleteOldLog(LOGINFOFILE_DIR,7);//删除一周前的日志
    timerLogdel->stop();
}

void LogInfo::truncatelog()
{
    const QString dts=QDate::currentDate().toString("yyyyMMdd") ;
    const QString fileNameL=QString(LOGINFOFILE_DIR)+dts +"_1.txt";
    QFile file(fileNameL);

     if(file.size()>204800)//文件大小
    {
        QSettings settings("MySoft", "MyApp");
        int filenum=settings.value(dts,2).toInt();
        if(filenum==2)
            settings.clear();
        settings.setValue(dts,filenum+1);

        qDebug()<<"rename="<<fileNameL << QString(LOGINFOFILE_DIR)+dts +QString("_%1.txt").arg(filenum);
        file.rename(QString(LOGINFOFILE_DIR)+dts +QString("_%1.txt").arg(filenum));
    }
}

void LogInfo::setScrollBar(){
    QString styleSheet = "\n\
                           QTextEdit QScrollBar:vertical {\n\
                               width: 50px; /* 设置垂直滚动条的宽度 */\n\
                               background: rgba(0, 0, 0, 0); /* 滚动条背景透明 */\n\
                               margin: 20px 0 20px 0; /* 为按钮留出空间 */\n\
                           }\n\
                           QTextEdit QScrollBar::handle:vertical {\n\
                               background: rgb(125, 170, 177); /* 滑块颜色 */\n\
                               border-radius: 5px; /* 滑块圆角 */\n\
                               min-height: 40px; /* 滑块最小高度 */\n\
                           }\n\
                           QTextEdit QScrollBar::add-line:vertical {\n\
                               height: 40px; /* 设置向下按钮的高度 */\n\
                               background: rgb(255, 170, 127); /* 按钮颜色 */\n\
                               subcontrol-position: bottom;\n\
                               subcontrol-origin: margin;\n\
                           }\n\
                           QTextEdit QScrollBar::sub-line:vertical {\n\
                               height: 40px; /* 设置向上按钮的高度 */\n\
                               background: rgb(255, 170, 127); /* 按钮颜色 */\n\
                               subcontrol-position: top;\n\
                               subcontrol-origin: margin;\n\
                           }";
    ui->textEditRunStatus->setStyleSheet(styleSheet);
    ui->textEditRunStatus_2->setStyleSheet(styleSheet);
}