#ifndef DATA_SYNCTHINGDIR_H
#define DATA_SYNCTHINGDIR_H

#include "./global.h"

#include <c++utilities/chrono/datetime.h>

#include <QFileInfo>
#include <QJsonObject>
#include <QMetaType>
#include <QString>

namespace Data {
#undef Q_NAMESPACE
#define Q_NAMESPACE
Q_NAMESPACE
extern LIB_SYNCTHING_CONNECTOR_EXPORT const QMetaObject staticMetaObject;
QT_ANNOTATE_CLASS(qt_qnamespace, "") /*end*/

enum class SyncthingDirStatus { Unknown, Idle, Unshared, Scanning, Synchronizing, OutOfSync };
#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
Q_ENUM_NS(SyncthingDirStatus)
#endif

QString statusString(SyncthingDirStatus status);

struct LIB_SYNCTHING_CONNECTOR_EXPORT SyncthingItemError {
    SyncthingItemError(const QString &message = QString(), const QString &path = QString())
        : message(message)
        , path(path)
    {
    }

    bool operator==(const SyncthingItemError &other) const
    {
        return message == other.message && path == other.path;
    }

    QString message;
    QString path;
};

struct LIB_SYNCTHING_CONNECTOR_EXPORT SyncthingItemDownloadProgress {
    SyncthingItemDownloadProgress(
        const QString &containingDirPath = QString(), const QString &relativeItemPath = QString(), const QJsonObject &values = QJsonObject());
    QString relativePath;
    QFileInfo fileInfo;
    int blocksCurrentlyDownloading = 0;
    int blocksAlreadyDownloaded = 0;
    int totalNumberOfBlocks = 0;
    unsigned int downloadPercentage = 0;
    int blocksCopiedFromOrigin = 0;
    int blocksCopiedFromElsewhere = 0;
    int blocksReused = 0;
    int bytesAlreadyHandled;
    int totalNumberOfBytes = 0;
    QString label;
    ChronoUtilities::DateTime lastUpdate;
    static constexpr unsigned int syncthingBlockSize = 128 * 1024;
};

struct LIB_SYNCTHING_CONNECTOR_EXPORT SyncthingDir {
    SyncthingDir(const QString &id = QString(), const QString &label = QString(), const QString &path = QString());
    bool assignStatus(const QString &statusStr, ChronoUtilities::DateTime time);
    bool assignStatus(SyncthingDirStatus newStatus, ChronoUtilities::DateTime time);
    const QString &displayName() const;
    QString statusString() const;
    QStringRef pathWithoutTrailingSlash() const;

    QString id;
    QString label;
    QString path;
    QStringList deviceIds;
    QStringList deviceNames;
    bool readOnly = false;
    bool ignorePermissions = false;
    bool ignorePatterns = false;
    bool autoNormalize = false;
    int rescanInterval = 0;
    int minDiskFreePercentage = 0;
    SyncthingDirStatus status = SyncthingDirStatus::Idle;
    ChronoUtilities::DateTime lastStatusUpdate;
    int progressPercentage = 0;
    int progressRate = 0;
    QString globalError;
    std::vector<SyncthingItemError> itemErrors;
    std::vector<SyncthingItemError> previousItemErrors;
    quint64 globalBytes = 0, globalDeleted = 0, globalFiles = 0, globalDirs = 0;
    quint64 localBytes = 0, localDeleted = 0, localFiles = 0, localDirs = 0;
    quint64 neededByted = 0, neededFiles = 0, neededDirs = 0;
    ChronoUtilities::DateTime lastStatisticsUpdate;
    ChronoUtilities::DateTime lastScanTime;
    ChronoUtilities::DateTime lastFileTime;
    QString lastFileName;
    std::vector<SyncthingItemDownloadProgress> downloadingItems;
    int blocksAlreadyDownloaded = 0;
    int blocksToBeDownloaded = 0;
    QString downloadLabel;
    unsigned int downloadPercentage = 0;
    bool paused = false;
    bool lastFileDeleted = false;

private:
    bool checkWhetherStatusUpdateRelevant(ChronoUtilities::DateTime time);
    bool finalizeStatusUpdate(SyncthingDirStatus newStatus);
};

inline SyncthingDir::SyncthingDir(const QString &id, const QString &label, const QString &path)
    : id(id)
    , label(label)
    , path(path)
{
}

inline const QString &SyncthingDir::displayName() const
{
    return label.isEmpty() ? id : label;
}

inline bool SyncthingDir::assignStatus(SyncthingDirStatus newStatus, ChronoUtilities::DateTime time)
{
    return checkWhetherStatusUpdateRelevant(time) && finalizeStatusUpdate(newStatus);
}

} // namespace Data

Q_DECLARE_METATYPE(Data::SyncthingItemError)
Q_DECLARE_METATYPE(Data::SyncthingItemDownloadProgress)
Q_DECLARE_METATYPE(Data::SyncthingDir)

#endif // DATA_SYNCTHINGDIR_H