#include "CommonScript.h"

#include <QJsonArray>
#include <QJsonObject>
#include <QRandomGenerator>
#include <QRegularExpression>
#include <QSettings>
#include <QThread>

#include "adb/AdbUtils.h"
#include "dao/DeviceDAO.h"
#include "dao/BankProfileDAO.h"
#include "net/NetworkService.h"

namespace Dushanbe {

CommonScript::CommonScript(QObject *parent)
    : QObject(parent) {
}

CommonScript::~CommonScript() = default;

void CommonScript::start() {
    doStart();
    emit finished();
}

Node CommonScript::swipeToButton(
    const QString &deviceId,
    const QString &text, int &counter, const int width, const int height
) {
    for (int i = 0; i < 10; ++i) {
        if (Node button = xmlScreenParser.findButtonNode(text, true); button.x() > 0 && button.y() > 0) {
            return button;
        }
        const int x = width / 2;
        const int offset = height / 4;
        AdbUtils::makeSwipe(deviceId, x, height - offset, x, offset);
        xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++counter));
    }
    return {};
}

bool CommonScript::inputPinCode(const QString &deviceId, const QString &pinCode) {
    if (pinCode.isEmpty()) {
        qWarning() << "[Dushanbe::inputPinCode] pinCode is EMPTY — nothing to enter!";
        return false;
    }

    // Ждём, пока на экране появятся все уникальные цифры из PIN.
    // DC Next на некоторых устройствах успевает показать заголовок
    // "Введите код доступа" раньше, чем дорисует кнопочную сетку, —
    // если начать тапать в этот момент, часть цифр не найдётся и PIN
    // не введётся целиком.
    bool seenInPin[10] = {false};
    for (const QChar &d : pinCode) {
        if (!d.isDigit()) continue;
        const int idx = d.digitValue();
        if (idx >= 0 && idx <= 9) seenInPin[idx] = true;
    }
    auto allDigitsPresent = [this, &seenInPin]() {
        for (int d = 0; d < 10; ++d) {
            if (!seenInPin[d]) continue;
            if (xmlScreenParser.findNodeByContentDesc(QString::number(d)).isEmpty()) return false;
        }
        return true;
    };
    for (int i = 0; i < 6 && !allDigitsPresent(); ++i) {
        QThread::msleep(500);
        xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));
    }
    if (!allDigitsPresent()) {
        qWarning() << "[Dushanbe::inputPinCode] keypad incomplete after wait; aborting";
        return false;
    }

    qDebug() << "[Dushanbe::inputPinCode] entering" << pinCode.length() << "digits";
    // DC Next использует кнопочную сетку для ввода PIN (content-desc = "0"-"9")
    for (const QChar &digit : pinCode) {
        Node button = xmlScreenParser.findNodeByContentDesc(QString(digit));
        if (button.isEmpty()) {
            qWarning() << "[Dushanbe::inputPinCode] Button not found for digit:" << digit;
            return false;
        }
        AdbUtils::makeTap(deviceId, button.x(), button.y());
        QThread::msleep(300);
    }
    return true;
}

bool CommonScript::runAppAndGoToHomeScreen(
    const QString &deviceId,
    const QString &packageName,
    const QString &pinCode,
    const int width,
    const int height
) {
    AdbUtils::unlockScreen(deviceId, width, height);

    // Быстрый path: если приложение уже запущено — не перезапускаем сразу,
    // а смотрим текущий экран. Если это Home — готово. Если PIN — вводим
    // и ждём Home. Только если не смогли — убиваем и рестартим.
    if (const QString pid = AdbUtils::tryToGetRunningAppPid(deviceId, packageName); !pid.isEmpty()) {
        qDebug() << "[Dushanbe] Process already running, pid:" << pid;
        xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));
        if (xmlScreenParser.isHomeScreen()) {
            qDebug() << "[Dushanbe] Fast path: already on Home screen";
            return true;
        }
        if (xmlScreenParser.isPinCodeScreen()) {
            qDebug() << "[Dushanbe] Fast path: PIN screen, entering PIN";
            if (inputPinCode(deviceId, pinCode)) {
                QThread::msleep(3000);
                for (int i = 0; i < 10; ++i) {
                    xmlScreenParser.parseAndSaveXml(
                        AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));
                    if (xmlScreenParser.isHomeScreen()) {
                        qDebug() << "[Dushanbe] Fast path: Home reached after PIN";
                        return true;
                    }
                    QThread::msleep(1000);
                }
            }
        }
        qDebug() << "[Dushanbe] Fast path failed, restarting app";
        AdbUtils::tryToKillApplication(deviceId, packageName);
    }
    if (!AdbUtils::tryToStartApplication(deviceId, packageName)) {
        AdbUtils::takeScreenshot(deviceId, "run_app_error");
        qWarning() << "[Dushanbe] Process has not started";
        return false;
    }

    QThread::msleep(4500);
    int counter = 0;
    bool findAndInputPincode = false;

    while (true) {
        counter++;

        if (counter > 20) {
            qWarning() << "[Dushanbe] runAppAndGoToHomeScreen: too many attempts, giving up";
            AdbUtils::takeScreenshot(deviceId, "too_many_attempts");
            return false;
        }
        xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));

        if (xmlScreenParser.isHomeScreen()) {
            qDebug() << "[Dushanbe] Home reached on attempt" << counter;
            return true;
        }

        if (!findAndInputPincode && xmlScreenParser.isPinCodeScreen()) {
            qDebug() << "[Dushanbe] PIN screen detected on attempt" << counter << "entering PIN";
            if (inputPinCode(deviceId, pinCode)) {
                findAndInputPincode = true;
            } else {
                // Клавиатура могла не дорисоваться или PIN ввёлся частично —
                // оставляем флаг false, следующая итерация повторит ввод,
                // когда кнопки появятся.
                qWarning() << "[Dushanbe] inputPinCode failed on attempt" << counter << "— will retry";
            }
            QThread::msleep(3000);
            continue;
        }

        // Диагностика: что реально на экране?
        QStringList sample;
        for (const Node &n : xmlScreenParser.findAllNodes()) {
            if (n.contentDesc.isEmpty() && n.text.isEmpty()) continue;
            QString s = !n.contentDesc.isEmpty() ? n.contentDesc : n.text;
            s.replace('\n', ' ');
            if (s.size() > 60) s = s.left(60) + "...";
            sample.append(s);
            if (sample.size() >= 8) break;
        }
        qDebug() << "[Dushanbe] attempt" << counter << "not home, not PIN. Sample:" << sample;
        QThread::msleep(1000);
    }
}

void CommonScript::postAccountsData(const QList<QPair<MaterialInfo, Node>> &accounts) {
    if (accounts.isEmpty()) {
        return;
    }

    auto *thread = new QThread;
    auto *worker = new NetworkService;

    QJsonArray list;
    for (const QPair<MaterialInfo, Node> &pair : accounts) {
        QJsonObject obj;
        MaterialInfo account = pair.first;
        obj["appName"] = account.appCode;
        obj["lastNumbers"] = account.lastNumbers;
        obj["amount"] = account.amount;
        obj["description"] = account.description;
        obj["currency"] = account.currency;
        obj["status"] = materialStatusToString(account.status);
        list.append(obj);
    }

    worker->setDeviceId(accounts.first().first.deviceId);
    worker->setPayload(QJsonDocument(list).toJson());
    worker->moveToThread(thread);
    connect(thread, &QThread::started, worker, &NetworkService::postAccountsData);
    connect(worker, &NetworkService::finished, thread, &QThread::quit);
    connect(worker, &NetworkService::finished, worker, &QObject::deleteLater);
    connect(thread, &QThread::finished, thread, &QThread::deleteLater);
    thread->start();
}

void CommonScript::postNewTransactionData(const MaterialInfo &account, const TransactionInfo &transaction) {
    auto *thread = new QThread;
    auto *worker = new NetworkService;

    QJsonObject obj;
    obj["id"] = transaction.id;
    obj["amount"] = transaction.amount;
    obj["name"] = transaction.name;
    obj["fee"] = transaction.fee;
    obj["status"] = transactionStatusToString(transaction.status);
    obj["type"] = transactionTypeToString(transaction.type);
    obj["phone"] = transaction.phone;
    obj["description"] = transaction.description;
    obj["updatedDescription"] = transaction.updatedDescription;
    obj["bankName"] = transaction.bankName;
    obj["bankTime"] = transaction.bankTime;
    obj["bankTransactionId"] = transaction.bankTrExternalId;

    worker->setDeviceId(account.deviceId);
    worker->addExtra("lastNumbers", account.lastNumbers);
    worker->addExtra("transactionId", transaction.id);
    worker->setPayload(QJsonDocument(obj).toJson());
    worker->moveToThread(thread);
    connect(thread, &QThread::started, worker, &NetworkService::insertTransactionData);
    connect(worker, &NetworkService::finished, thread, &QThread::quit);
    connect(worker, &NetworkService::finished, worker, &QObject::deleteLater);
    connect(thread, &QThread::finished, thread, &QThread::deleteLater);
    thread->start();
}

void CommonScript::updateTransactionData(
    const MaterialInfo &account,
    const int transactionId,
    const TransactionStatus status,
    const QString &oldDesc,
    const QString &newDesc
) {
    auto *thread = new QThread;
    auto *worker = new NetworkService;

    QJsonObject obj;
    obj["id"] = transactionId;
    obj["status"] = transactionStatusToString(status);
    obj["description"] = newDesc;
    obj["updatedDescription"] = oldDesc;

    worker->setDeviceId(account.deviceId);
    worker->addExtra("lastNumbers", account.lastNumbers);
    worker->setPayload(QJsonDocument(obj).toJson());
    worker->moveToThread(thread);
    connect(thread, &QThread::started, worker, &NetworkService::updateTransactionData);
    connect(worker, &NetworkService::finished, thread, &QThread::quit);
    connect(worker, &NetworkService::finished, worker, &QObject::deleteLater);
    connect(thread, &QThread::finished, thread, &QThread::deleteLater);
    thread->start();
}

QString CommonScript::createBankProfileIfNeeded(const QString &deviceId, const QString &appCode, double parsedBalance) {
    const BankProfileInfo app = BankProfileDAO::getApplication(deviceId, appCode);

    if (app.fullName.trimmed().isEmpty() || app.phone.trimmed().isEmpty()) {
        qWarning() << "[Dushanbe] createBankProfileIfNeeded: skipping — fullName or phone is empty";
        return {};
    }

    const QMap<QString, int> currencyCodes = {
        {"RUB", 643}, {"USD", 840}, {"KRW", 410}, {"AZN", 944}, {"ARS", 32}, {"TJS", 972}
    };
    const int currencyCode = currencyCodes.value(app.currency.toUpper(), 840);
    const QStringList parts = app.fullName.split(' ', Qt::SkipEmptyParts);

    const QSettings settings("config.ini", QSettings::IniFormat);
    const QString phoneCode = settings.value(appCode + "/phone_code").toString();
    QString phone = app.phone;
    phone.remove(QRegularExpression("[^0-9]"));
    if (!phoneCode.isEmpty() && !phone.startsWith(phoneCode)) {
        if (phone.startsWith('8') && phoneCode != "8") {
            phone.replace(0, 1, phoneCode);
        } else {
            phone.prepend(phoneCode);
        }
    }
    phone.prepend('+');

    const DeviceInfo device = DeviceDAO::getDeviceById(deviceId);

    QJsonObject profileBody;
    profileBody["first_name"]   = parts.value(0);
    profileBody["middle_name"]  = parts.size() >= 3 ? parts.value(1) : QString("");
    profileBody["last_name"]    = parts.size() >= 3 ? parts.value(2) : parts.value(1);
    profileBody["bank_name"]    = appCode;
    profileBody["phone_number"] = phone;
    const double balance = (parsedBalance >= 0.0) ? parsedBalance : app.amount;
    profileBody["balance"]      = QString::number(qRound64(balance * 100));
    profileBody["state"]        = (app.status == "active") ? "enabled" : "disabled";
    profileBody["device_id"]    = device.apiId;
    profileBody["currency"]     = currencyCode;

    NetworkService ns;
    ns.setDeviceId(deviceId);
    ns.setPayload(QJsonDocument(profileBody).toJson());

    if (app.bankProfileId.isEmpty()) {
        ns.addExtra("app_id", app.id);
        ns.postBankProfile();
        const BankProfileInfo afterPost = BankProfileDAO::getApplication(deviceId, appCode);
        if (afterPost.bankProfileId.isEmpty()) {
            QString err;
            if (ns.lastResponseBody().contains("already exists", Qt::CaseInsensitive)) {
                err = "PROFILE_ALREADY_EXISTS: " + ns.lastServerMessage();
            } else {
                err = "postBankProfile failed for " + deviceId + " " + appCode;
            }
            qWarning() << "[Dushanbe] createBankProfileIfNeeded:" << err;
            return err;
        }
        qDebug() << "[Dushanbe] createBankProfileIfNeeded: postBankProfile done";
    } else {
        ns.addExtra("bank_profile_id", app.bankProfileId);
        ns.patchBankProfile();
        qDebug() << "[Dushanbe] createBankProfileIfNeeded: patchBankProfile done";
    }
    return {};
}

void CommonScript::stop() {
    m_running = false;
}

bool CommonScript::closeGooglePlayBannerIfVisible(
    const QString &deviceId, const int width, const int height
) {
    // 1. Системный диалог запроса разрешения Android (permissioncontroller) — тапаем "ЗАПРЕТИТЬ"
    if (Node denyBtn = xmlScreenParser.tryToFindSystemPermissionDenyButton(); !denyBtn.isEmpty()) {
        qDebug() << "[Dushanbe] System permission dialog detected mid-task, tapping 'ЗАПРЕТИТЬ'...";
        AdbUtils::makeTap(deviceId, denyBtn.x(), denyBtn.y());
        QThread::msleep(1500);
        xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));
        return true;
    }

    // 2. Google Play in-app update bottom sheet
    Node gpNode = xmlScreenParser.tryToFindGooglePlayBanner(width, height);
    if (gpNode.isEmpty()) return false;
    qDebug() << "[Dushanbe] Google Play update banner detected mid-task, closing...";
    AdbUtils::makeTap(deviceId, gpNode.x(), gpNode.y());
    QThread::msleep(1500);
    xmlScreenParser.parseAndSaveXml(AdbUtils::getScreenDumpAsXml(deviceId, ++m_counter));
    return true;
}

} // namespace Dushanbe