#include "lf.h"
#include <QJsonArray>

const LF::LFConfig LF::defaultLFConfig;

LF::LF(Ui::MainWindow *ui, Util *addr, QWidget *parent): QObject(parent)
{
    this->parent = parent;
    util = addr;
    this->ui = ui;

    LFconfigPattern = new QRegularExpression("(\\d+)|Yes|No");
    currLFConfig = defaultLFConfig;
}

void LF::read()
{
    QVariantMap config = configMap["read"].toMap();
    util->execCMD(config["cmd"].toString());
    Util::gotoRawTab();
    util->execCMD(config["show cmd"].toString());
}

void LF::sniff()
{
    QVariantMap config = configMap["sniff"].toMap();
    util->execCMD(config["cmd"].toString());
    Util::gotoRawTab();
    util->execCMD(config["show cmd"].toString());
}

void LF::search()
{
    QVariantMap config = configMap["search"].toMap();
    util->execCMD(config["cmd"].toString());
    Util::gotoRawTab();
}

void LF::tune()
{
    QVariantMap config = configMap["tune"].toMap();
    QString cmd = config["cmd"].toString();
    cmd.replace("<divisor>", QString::number(currLFConfig.divisor));
    util->execCMD(cmd);
    Util::gotoRawTab();
}

bool LF::getLFConfig_helper(const QVariantMap& map, QString& str, int* result)
{
    int len;
    QString flag = map["flag"].toString();
    QRegularExpressionMatch reMatch;
    if(!str.contains(flag))
        return false;
    len = str.length() - (str.indexOf(flag) + flag.length());
    str = str.right(len);
    if(map.contains("replace"))
    {
        QVariantMap table = map["replace"].toMap();
        for(auto it = table.begin(); it != table.end(); it++)
        {
            str.replace(it.key(), it.value().toString());
        }
    }
    reMatch = QRegularExpression(map["pattern"].toString()).match(str);
    if(!reMatch.hasMatch())
        return false;
    *result = reMatch.captured().toInt();
    qDebug() << *result;
    return true;

}

void LF::getLFConfig()
{

    QRegularExpressionMatch reMatch;
    QString result;
    QStringList resultList;
    int start, end, temp;
    QVariantMap config = configMap["get config"].toMap();
    QString cmd = config["cmd"].toString();
    result = util->execCMDWithOutput(cmd, 400);
    start = result.indexOf(config["field start"].toString());
    end = result.indexOf(config["field end"].toString());
    result = result.mid(start, end - start);
#if (QT_VERSION <= QT_VERSION_CHECK(5,14,0))
    resultList = result.split("\n", QString::SkipEmptyParts);
#else
    resultList = result.split("\n", Qt::SkipEmptyParts);
#endif
    qDebug() << "LF CONFIG GET\n" << resultList;
    for(auto it = resultList.begin(); it != resultList.end(); it++)
    {
        if(getLFConfig_helper(config["divisor"].toMap(), *it, &temp))
            currLFConfig.divisor = temp;
        else if(getLFConfig_helper(config["bits per sample"].toMap(), *it, &temp))
            currLFConfig.bitsPerSample = temp;
        else if(getLFConfig_helper(config["decimation"].toMap(), *it, &temp))
            currLFConfig.decimation = temp;
        else if(getLFConfig_helper(config["averaging"].toMap(), *it, &temp))
            currLFConfig.averaging = (bool)temp;
        else if(getLFConfig_helper(config["trigger threshold"].toMap(), *it, &temp))
            currLFConfig.triggerThreshold = temp;
        else if(getLFConfig_helper(config["samples to skip"].toMap(), *it, &temp))
            currLFConfig.samplesToSkip = temp;
    }
    syncWithUI();
}

void LF::setLFConfig(LF::LFConfig lfconfig)
{
    currLFConfig = lfconfig;
    QVariantMap config = configMap["set config"].toMap();
    QString cmd = config["cmd"].toString();
    cmd.replace("<divisor>", QString::number(currLFConfig.divisor));
    cmd.replace("<bits per sample>", QString::number(currLFConfig.bitsPerSample));
    cmd.replace("<decimation>", QString::number(currLFConfig.decimation));
    cmd.replace("<averaging>", currLFConfig.averaging ? "1" : "0");
    cmd.replace("<trigger threshold>", QString::number(currLFConfig.triggerThreshold));
    cmd.replace("<samples to skip>", QString::number(currLFConfig.samplesToSkip));
    util->execCMDWithOutput(cmd, 500);
    cmd = config["divisor cmd"].toString();
    cmd.replace("<divisor>", QString::number(currLFConfig.divisor));
    util->execCMDWithOutput(cmd, 500);
}

void LF::resetLFConfig()
{
    setLFConfig(defaultLFConfig);
    getLFConfig();
}

float LF::divisor2Freq(uint8_t divisor)
{
    return (12000.0 / (divisor + 1.0));
}

uint8_t LF::freq2Divisor(float freq)
{
    return ((uint16_t)(12000.0 / freq + 0.5) - 1); // uint16_t for (divisor + 1) = 256
}

void LF::syncWithUI()
{
    ui->LF_LFConf_freqDivisorBox->setValue(currLFConfig.divisor); // will trigger valueChanged()
    ui->LF_LFConf_bitsPerSampleBox->setValue(currLFConfig.bitsPerSample);
    ui->LF_LFConf_decimationBox->setValue(currLFConfig.decimation);
    ui->LF_LFConf_averagingBox->setChecked(currLFConfig.averaging);
    ui->LF_LFConf_thresholdBox->setValue(currLFConfig.triggerThreshold);
    ui->LF_LFConf_skipsBox->setValue(currLFConfig.samplesToSkip);
}

void LF::setConfigMap(const QVariantMap& configMap)
{
    this->configMap = configMap;
    qDebug() << configMap;
}