#include "precompiled.h"

#include "utils.h"
#include "settings.h"

Settings* Settings::instance = nullptr;

bool Settings::getSaveZtxs() {
    // Load from the QT Settings. 
    return QSettings().value("options/savesenttx", true).toBool();
}

void Settings::setSaveZtxs(bool save) {
    QSettings().setValue("options/savesenttx", save);
}

Settings* Settings::init() {    
    if (instance == nullptr) 
        instance = new Settings();

    return instance;
}

Settings* Settings::getInstance() {
    return instance;
}

Config Settings::getSettings() {
    // Load from the QT Settings. 
    QSettings s;
    
    auto host        = s.value("connection/host").toString();
    auto port        = s.value("connection/port").toString();
    auto username    = s.value("connection/rpcuser").toString();
    auto password    = s.value("connection/rpcpassword").toString();    

    return Config{host, port, username, password};
}

void Settings::saveSettings(const QString& host, const QString& port, const QString& username, const QString& password) {
    QSettings s;

    s.setValue("connection/host", host);
    s.setValue("connection/port", port);
    s.setValue("connection/rpcuser", username);
    s.setValue("connection/rpcpassword", password);

    s.sync();

    // re-init to load correct settings
    init();
}

void Settings::setUsingZcashConf(QString confLocation) {
    if (!confLocation.isEmpty())
        _confLocation = confLocation;
}

bool Settings::isTestnet() {
    return _isTestnet;
}

void Settings::setTestnet(bool isTestnet) {
    this->_isTestnet = isTestnet;
}

bool Settings::isSaplingAddress(QString addr) {
    return ( isTestnet() && addr.startsWith("ztestsapling")) ||
           (!isTestnet() && addr.startsWith("zs"));
}

bool Settings::isSproutAddress(QString addr) {
    return isZAddress(addr) && !isSaplingAddress(addr);
}

bool Settings::isZAddress(QString addr) {
    return addr.startsWith("z");
}

bool Settings::isSyncing() {
    return _isSyncing;
}

void Settings::setSyncing(bool syncing) {
    this->_isSyncing = syncing;
}

int Settings::getBlockNumber() {
    return this->_blockNumber;
}

void Settings::setBlockNumber(int number) {
    this->_blockNumber = number;
}

bool Settings::isSaplingActive() {
    return  (isTestnet() && getBlockNumber() > 280000) ||
           (!isTestnet() && getBlockNumber() > 419200);
}

double Settings::getZECPrice() { 
    return zecPrice; 
}

QString Settings::getUSDFormat(double bal) {
    if (!isTestnet() && getZECPrice() > 0) 
        return "$" + QLocale(QLocale::English).toString(bal * getZECPrice(), 'f', 2); 
    else 
        return QString();
}

QString Settings::getZECDisplayFormat(double bal) {
    return QString::number(bal, 'g', 8) % " " % Utils::getTokenName();
}

QString Settings::getZECUSDDisplayFormat(double bal) {
    auto usdFormat = getUSDFormat(bal);
    if (!usdFormat.isEmpty())
        return getZECDisplayFormat(bal) % " (" % getUSDFormat(bal) % ")";
    else
        return getZECDisplayFormat(bal);
}

void Settings::saveRestore(QDialog* d) {
    d->restoreGeometry(QSettings().value(d->objectName() % "geometry").toByteArray());

    QObject::connect(d, &QDialog::finished, [=](auto) {
        QSettings().setValue(d->objectName() % "geometry", d->saveGeometry());
    });
}