#include "history.h"
#include "src/utils/confighandler.h"
#include <QDir>
#include <QFile>
#include <QDebug>
#include <QStringList>


History::History()
{
    // Get cache history path
    ConfigHandler config;
#ifdef Q_OS_WIN
    m_historyPath = QDir::homePath() + "/AppData/Roaming/flameshot/history/";
#else
    m_historyPath = QDir::homePath() + "/.cache/flameshot/history/";
#endif

    // Check if directory for history exists and create if doesn't
    QDir dir = QDir(m_historyPath);
    if (!dir.exists())
        dir.mkpath(".");
}

const QString &History::path() {
    return m_historyPath;
}

void History::save(const QPixmap &pixmap, const QString &fileName) {
    QFile file(path() + fileName);
    file.open(QIODevice::WriteOnly);
    pixmap.save(&file, "PNG");
    history();
}

const QList<QString> &History::history() {
    QDir directory(path());
    QStringList images = directory.entryList(QStringList() << "*.png" << "*.PNG", QDir::Files, QDir::Time);
    int cnt = 0;
    m_thumbs.clear();
    foreach(QString fileName, images) {
        if(++cnt <= HISTORY_MAX_SIZE) {
            m_thumbs.append(fileName);
        }
        else {
            QFile file(path() + fileName);
            file.remove();
        }
    }
    return m_thumbs;
}

const HISTORY_FILE_NAME &History::unpackFileName(const QString &fileNamePacked) {
    int nPathIndex = fileNamePacked.lastIndexOf("/");
    QStringList unpackedFileName;
    if(nPathIndex == -1) {
        unpackedFileName = fileNamePacked.split("-");
    } else {
        unpackedFileName = fileNamePacked.mid(nPathIndex + 1).split("-");
    }

    switch (unpackedFileName.length()) {
    case 3:
        m_unpackedFileName.file = unpackedFileName[2];
        m_unpackedFileName.token = unpackedFileName[1];
        m_unpackedFileName.type = unpackedFileName[0];
        break;
    case 2:
        m_unpackedFileName.file = unpackedFileName[1];
        m_unpackedFileName.token = "";
        m_unpackedFileName.type = unpackedFileName[0];
        break;
    default:
        m_unpackedFileName.file = unpackedFileName[0];
        m_unpackedFileName.token = "";
        m_unpackedFileName.type = SCREENSHOT_STORAGE_TYPE_LOCAL;
        break;
    }
    return m_unpackedFileName;
}

const QString &History::packFileName(const QString &storageType, const QString &deleteToken, const QString &fileName) {
    m_packedFileName = fileName;
    if(storageType.length() > 0) {
        if(deleteToken.length() > 0) {
            m_packedFileName = storageType + "-" + deleteToken + "-" + m_packedFileName;
        }
        else {
            m_packedFileName = storageType + "-" + m_packedFileName;
        }
    }
    return m_packedFileName;
}