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

const QString Utils::txidStatusMessage = QString("Tx submitted (right click to copy) txid:");

const QString Utils::getTokenName() {
    if (Settings::getInstance()->isTestnet()) {
        return "TAZ";
    } else {
        return "ZEC";
    }
}

const QString Utils::getDonationAddr(bool sapling) {
    if (Settings::getInstance()->isTestnet()) 
        if (sapling)
            return "ztestsapling1wn6889vznyu42wzmkakl2effhllhpe4azhu696edg2x6me4kfsnmqwpglaxzs7tmqsq7kudemp5";
        else
            return "ztn6fYKBii4Fp4vbGhkPgrtLU4XjXp4ZBMZgShtopmDGbn1L2JLTYbBp2b7SSkNr9F3rQeNZ9idmoR7s4JCVUZ7iiM5byhF";
    else 
        if (sapling)
            return "zs1gv64eu0v2wx7raxqxlmj354y9ycznwaau9kduljzczxztvs4qcl00kn2sjxtejvrxnkucw5xx9u";
        else
            return "zcEgrceTwvoiFdEvPWcsJHAMrpLsprMF6aRJiQa3fan5ZphyXLPuHghnEPrEPRoEVzUy65GnMVyCTRdkT6BYBepnXh6NBYs";    
}

const QString Utils::getDevSproutAddr() {
    return "ztbGDqgkmXQjheivgeirwEvJLD4SUNqsWCGwxwVg4YpGz1ARR8P2rXaptkT14z3NDKamcxNmQuvmvktyokMs7HkutRNSx1D";
}

// Get the dev fee address based on the transaction
const QString Utils::getDevAddr(Tx tx) {
    auto testnetAddrLookup = [=] (const QString& addr) -> QString {
        if (addr.startsWith("ztestsapling")) {
            return "ztestsapling1kdp74adyfsmm9838jaupgfyx3npgw8ut63stjjx757pc248cuc0ymzphqeux60c64qe5qt68ygh";
        } else if (addr.startsWith("zt")) {
            return getDevSproutAddr();
        } else {
            return QString();
        }
    };

    if (Settings::getInstance()->isTestnet()) {
        auto devAddr = testnetAddrLookup(tx.fromAddr);
        if (!devAddr.isEmpty()) {
            return devAddr;
        }

        // t-Addr, find if it is going to a Sprout or Sapling address
        for (const ToFields& to : tx.toAddrs) {
            devAddr = testnetAddrLookup(to.addr);
            if (!devAddr.isEmpty()) {
                return devAddr;
            }
        }
        
        // If this is a t-Addr -> t-Addr transaction, use the Sapling address by default
        return testnetAddrLookup("ztestsapling");
    } else {
        // Mainnet doesn't have a fee yet!
        return QString();
    }
}


double Utils::getMinerFee() {
    return 0.0001;
}

double Utils::getZboardAmount() {
    return 0.0001;
}

QString Utils::getZboardAddr() {
    if (Settings::getInstance()->isTestnet()) {
        return getDonationAddr(true);
    }
    else {
        return "zs10m00rvkhfm4f7n23e4sxsx275r7ptnggx39ygl0vy46j9mdll5c97gl6dxgpk0njuptg2mn9w5s";
    }
}
double Utils::getDevFee() {
    if (Settings::getInstance()->isTestnet()) {
        return 0.0001;
    } else {
        return 0;
    }
}

double Utils::getTotalFee() { return getMinerFee() + getDevFee(); }

bool Utils::isValidAddress(QString addr) {
    QRegExp zcexp("^z[a-z0-9]{94}$",  Qt::CaseInsensitive);
    QRegExp zsexp("^z[a-z0-9]{77}$",  Qt::CaseInsensitive);
    QRegExp ztsexp("^ztestsapling[a-z0-9]{76}", Qt::CaseInsensitive);
    QRegExp texp("^t[a-z0-9]{34}$", Qt::CaseInsensitive);

    return  zcexp.exactMatch(addr)  || texp.exactMatch(addr) || 
            ztsexp.exactMatch(addr) || zsexp.exactMatch(addr);
}