# 添加預(yù)處理，防止在release模式下，輸出的日志信息不顯示文件名，行號(hào)等信息
add_definitions(-DQT_MESSAGELOGCONTEXT)

#pragma once
#include <QApplication>
#include <QtDebug>
#include <QFile>
#include <QTextStream>
#include <qdatetime.h>
//初始化
void InitalizeLog();
//獲取日志存儲(chǔ)目錄路徑
QString getLogFilePath();
//日志處理
void LogMessageHandler(QtMsgType type,const QMessageLogContext &context, const QString &messages);

#include "src/LogManage.h"
#include <qdir.h>
#include <QDateTime>
#include <QFileInfoList>
#include <qfileinfo.h>
#include <QMutex>
void InitalizeLog()
{
    //1. 預(yù)設(shè)日志目錄并檢查是否創(chuàng)建
    QString path = getLogFilePath();
    QDir dir(path);
    if(!dir.exists()){
        dir.mkdir(path);
    }
    //2. 日志7天后過期邏輯
    QDateTime last_time = QDateTime::currentDateTime().addDays(-7);
    QFileInfoList infoList = dir.entryInfoList();
    for(QFileInfo info : infoList){
        if(info.fileName() == "." || info.fileName() == ".."){
            continue;
        }
        if(last_time.secsTo(info.birthTime()) < 0){//secsTo: 差多少秒到
            info.dir().remove(info.fileName());
        }
    }
}
void LogMessageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message)
{
    //1. 加鎖，保護(hù)進(jìn)程
    static QMutex mutex;//互斥鎖 QMutex
    mutex.lock();
    //2. 日志信息生成及處理
    /*** 1.日志消息類型 ***/
    QString m_type("");
    switch (type) {
    case QtDebugMsg:
        m_type = QString("Debug");
        break;
    case QtInfoMsg:
        m_type = QString("Info");
        break;
    case QtWarningMsg:
        m_type = QString("Warning");
        break;
    case QtCriticalMsg:
        m_type = QString("Critical");
        break;
    case QtFatalMsg:
        m_type = QString("Fatal");
        break;
    }
    /*** 2.日志消息 ***/
    QByteArray m_message = message.toUtf8();
    /*** 3.日志生成日期 ***/
    QString m_date = QDateTime::currentDateTime().toString("yyyy-mm-dd hh:mm::ss");
    /*** 4.日志所在文件&行 ***/
    QString m_file = context.file;
    int m_line = context.line;
    QString m_log = QString("[%1]-<文件:%2    所在行:%3    日期:%4> ----------------- %5")
                        .arg(m_type).arg(m_file).arg(m_line).arg(m_date).arg(m_message);
    //3. 日志寫入預(yù)設(shè)文件
    QString m_filePath = getLogFilePath();
    QString m_fileName = QDate::currentDate().toString("yyyy-MM-dd");
    m_fileName += ".txt";
    m_fileName = m_filePath + "/" + m_fileName;
    m_fileName = QDir::toNativeSeparators(m_fileName);
    QFile file(m_fileName);
    file.open(QIODevice::ReadWrite | QIODevice::Append);
    QTextStream stream(&file);
    stream<< m_log << "\r\n";
    file.flush(); //直接將緩沖中的內(nèi)容寫入文件
    file.close();
    //4. 解鎖
    mutex.unlock();
}
QString getLogFilePath()
{
    QString str = qApp->applicationDirPath();
    str = str.left(str.lastIndexOf("/"));
    str += "/myLog";
    str = QDir::toNativeSeparators(str);//toNativeSeparators: 轉(zhuǎn)到本地分隔符
    return str;
}

int main(int argc, char *argv[])
{
//release模式下啟動(dòng)日志文件輸出
#ifdef QT_NO_DEBUG
    InitalizeLog();
    //自定義日志輸出
    qInstallMessageHandler(LogMessageHandler);
#endif
//other..
//other..
//other..
//other..
}