#ifndef QQTFILESYSTEM_H
#define QQTFILESYSTEM_H

#include <QDir>
#include <QFileInfo>
#include "qqtdefine.h"
#include "qqtcloudprotocol.h"

class QQTFileInfo
{
public:
    QQTFileInfo(){}

    QQTFileInfo setFileInfo(const QFileInfo &fileinfo)
    {
        m_prot = "local://";
        m_fileType = fileinfo.isDir() ? "dir" : "file";
        m_path = fileinfo.path();
        m_filePath = fileinfo.filePath();
        m_abslutFilePath = fileinfo.absoluteFilePath();
        m_upcode;
        m_code;
        m_id;
        m_fileName = fileinfo.fileName();
        m_size = fileinfo.size();
        m_date = fileinfo.lastModified().toString("yyyy/MM/dd hh:mm");
        return *this;
    }

    QQTFileInfo &operator=(const QQTFileInfo &fileinfo)
    {
        m_prot = fileinfo.m_prot;
        m_fileType = fileinfo.m_fileType;
        m_path = fileinfo.m_path;
        m_filePath = fileinfo.m_filePath;
        m_abslutFilePath = fileinfo.m_abslutFilePath;
        m_upcode = fileinfo.m_upcode;
        m_code = fileinfo.m_code;
        m_id = fileinfo.m_id;
        m_fileName = fileinfo.m_fileName;
        m_size = fileinfo.m_size;
        m_date = fileinfo.m_date;
    }

    QString m_fileType;
    QString m_prot;
    QString m_path;
    QString m_filePath;
    QString m_abslutFilePath;
    QString m_upcode;
    QString m_code;
    QString m_id;
    QString m_fileName;
    QString m_size;
    QString m_date;
};


class QQTFilesInfo
{
public:
    QQTFilesInfo(){}

    int size()
    {
        return m_filelist.size();
    }
    void clear()
    {
        m_prot = "";
        m_path = "";
        m_upcode = "";
        m_code = "";
        m_filelist.clear();
    }
    void push_back(QQTFileInfo f)
    {
        m_prot = f.m_prot;
        m_path = f.m_path;
        m_upcode = f.m_upcode;
        m_code = f.m_code;
        m_filelist.push_back(f);
    }
    QQTFilesInfo &operator = (const QQTFilesInfo& f)
    {
        m_prot = f.m_prot;
        m_path = f.m_path;
        m_upcode = f.m_upcode;
        m_code = f.m_code;
        m_filelist = f.m_filelist;
        return *this;
    }

    QString m_prot;
    QString m_path;
    QString m_upcode;
    QString m_code;
    QList<QQTFileInfo> m_filelist;
};

/**
 * @brief The QQTBlock class
 * QMutex，QSemphore，QCondation在gui线程会锁定gui，而我希望在gui线程中堵塞但是不要锁定gui
 * 这个block应用场合为gui线程内部，不适用线程之间
 * 仅仅锁定一次和解锁一次，多次锁定和解锁无用途。
 */
class QQTBlock : public QObject
{
public:
    explicit QQTBlock(QObject* parent = 0): QObject(parent), m_lock(0) {}

    //0x7FFFFFFF
    bool lock(int millsecond = 0x7FFFFFFF)
    {
        //m_lock++;
        m_lock=1;

        timer.restart();
        while(timer.elapsed() < millsecond)
        {
            if(m_lock <= 0)
                break;
            QApplication::processEvents();
        }

        if(timer.elapsed() >= millsecond)
            return false;
        return true;
    }

    void unlock()
    {
        //m_lock--;
        m_lock = 0;
    }

    bool isLocked()
    {
        if(m_lock <= 0)
            return false;

        return true;
    }

private:
    int m_lock;
    QElapsedTimer timer;
};

/**
 * @brief The QQTFileSystem class
 * 继承QObject不允许拷贝或者QSqlDatabase
 * 规格要求：QSqlDatabase
 * "local://"
 * "htp://"
 * "QQTFS":"QQTCFS"-"FS"
 * 组织变化小 PC之间变化大
 */
class QQTFileSystem : public QObject
{
    Q_OBJECT
public:
    QQTFileSystem(QObject* parent = 0);
    ~QQTFileSystem();

    //如果需要使用htp协议，就可以使用
    bool open();
    bool close();
    bool isOpen();
    bool isQueryed();

    //QQTfs -> path
    //假设已经将QQT网络硬盘映射到htp:/
    //本地硬盘已经映射到local:/
    void addwangluocipanYingshe();
    //所有的操作都不会逃出当前路径，默认当前路径
    void setRootPath();
    //如果是映射中的路径，自动按照协议进行查询
    //如果是其他路径，那么按照本地协议进行查询
    //那么按照协议格式来作为输入参数很合理
    bool query(QString path = "local:///");
    QQTFilesInfo& record();

    void create();//
    void del(QString filePath = "htp://Method");
    void copy(QString src = "local://Method/system.db",
              QString dst = "htp://Method");
    void cancel();

    void parse(QString path, QString& protocolName, QString& files);
    QQTFileInfo findFile(QString srcFile);

    void setHostName();
    void setUserName();
    void setPassword();
    void setPort();
    inline void setNameFilter(QString filter)
    { m_nameFileter = filter; }
    inline void setFilter(QDir::Filters filter = QDir::Dirs | QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot)
    { m_filter = filter; }
    inline void setSorting(QDir::SortFlags sort = QDir::DirsFirst | QDir::Name)
    { m_sort = sort; }

public slots:

signals:
    void result();
    //void openSucc();
    //void openFail();
    void status(int nPecent);
    //void delSucc();
    //void delFail();
    void copySucc(QString dst);
    void copyFail(QString dst);
private slots:
    void queryFilesResult();
    void openLock();
    void testOpenSucc();
    void testOpenSuccOther();
    void slotUploadSuccess();
private:
    enum {
        EAUTO,
        EQUERY,
        EDOWN,
        EUPLOAD,
    };

    //traslation instance
    QQTClient* m_client;
    //translation protocol
    QQTCloudProtocol* m_protocol;
    QQTFilesInfo m_rootDir;
    QQTFilesInfo m_methodDir;
    QQTFilesInfo m_dataDir;
    QQTFilesInfo m_result;
    QString m_nameFileter;
    QDir::Filters m_filter;
    QDir::SortFlags m_sort;
    QQTBlock m_block;
    QString m_dst;
    QString m_src;
};

QQTFileSystem* QQTFileSystemInstance(QObject* parent = 0);

#endif // QQTFILESYSTEM_H