#include "backend/accounts.h"
#include "backend/types.h"
#include "backend/utils.h"
#include "libstatus.h"

#include <QDebug>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QString>
#include <QVector>

namespace
{
constexpr auto NumberOfAddressesToGenerate = 5;
constexpr auto MnemonicPhraseLength = 12;
} // namespace

Backend::RpcResponse<QJsonArray> Backend::Accounts::generateAddresses(QVector<QString> paths)
{
    QJsonObject payload{{"n", NumberOfAddressesToGenerate},
                        {"mnemonicPhraseLength", MnemonicPhraseLength},
                        {"bip32Passphrase", ""},
                        {"paths", Utils::toJsonArray(paths)}

    };
    const char* result = MultiAccountGenerateAndDeriveAddresses(Utils::jsonToStr(payload).toUtf8().data());
    return {result, QJsonDocument::fromJson(result).array()};
}

Backend::RpcResponse<QString> Backend::Accounts::generateIdenticon(QString publicKey)
{
    if(!publicKey.isEmpty())
    {
        auto identicon = QString(Identicon(publicKey.toUtf8().data()));
        return {identicon, identicon};
    }

    throw Backend::RpcException("publicKey can't be empty1");
}

Backend::RpcResponse<QString> Backend::Accounts::generateAlias(QString publicKey)
{
    if(!publicKey.isEmpty())
    {
        auto alias = QString(GenerateAlias(publicKey.toUtf8().data()));
        return {alias, alias};
    }

    throw Backend::RpcException("publicKey can't be empty2");
}

Backend::RpcResponse<QJsonObject>
Backend::Accounts::storeDerivedAccounts(QString id, QString hashedPassword, QVector<QString> paths)
{
    QJsonObject payload{{"accountID", id}, {"paths", Utils::toJsonArray(paths)}, {"password", hashedPassword}};
    auto result = MultiAccountStoreDerivedAccounts(Utils::jsonToStr(payload).toUtf8().data());
    auto obj = QJsonDocument::fromJson(result).object();
    Backend::Utils::throwOnError(obj);

    return {result, obj};
}

Backend::RpcResponse<QJsonObject> Backend::Accounts::saveAccountAndLogin(
    QString hashedPassword, QJsonObject account, QJsonArray subaccounts, QJsonObject settings, QJsonObject nodeConfig)
{
    auto result = SaveAccountAndLogin(Utils::jsonToStr(account).toUtf8().data(),
                                      hashedPassword.toUtf8().data(),
                                      Utils::jsonToStr(settings).toUtf8().data(),
                                      Utils::jsonToStr(nodeConfig).toUtf8().data(),
                                      Utils::jsonToStr(subaccounts).toUtf8().data());
    auto obj = QJsonDocument::fromJson(result).object();
    Backend::Utils::throwOnError(obj);

    return {result, obj};
}

Backend::RpcResponse<QJsonArray> Backend::Accounts::openAccounts(QString path)
{
    const char* result = OpenAccounts(path.toUtf8().data());
    auto resp = Backend::RpcResponse<QJsonArray>(result, QJsonDocument::fromJson(result).array());
    return resp;
}

Backend::RpcResponse<QJsonObject> Backend::Accounts::login(
    QString name, QString keyUid, QString hashedPassword, QString identicon, QString thumbnail, QString large)
{
    QJsonObject payload{{"name", name}, {"key-uid", keyUid}, {"identityImage", QJsonValue()}, {"identicon", identicon}};

    if(!thumbnail.isEmpty() && !large.isEmpty())
    {
        payload["identityImage"] = QJsonObject{{"thumbnail", thumbnail}, {"large", large}};
    }

    auto result = Login(Utils::jsonToStr(payload).toUtf8().data(), hashedPassword.toUtf8().data());
    auto obj = QJsonDocument::fromJson(result).object();
    Backend::Utils::throwOnError(obj);

    return {result, obj};
}