#include "AccountSettingsWindow.h"

#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QScrollArea>
#include <QCoreApplication>
#include <QMessageBox>
#include <QInputDialog>
#include <QThread>
#include <QTimer>

#include "ozon/LoginAndCheckAccountsScript.h"
#include "ozon/GetProfileInfoScript.h"
#include "ozon/GetCardInfoScript.h"
#include "black/LoginAndCheckAccountsScript.h"
#include "black/GetProfileInfoScript.h"
#include "black/GetCardInfoScript.h"
#include "dushanbe/GetProfileInfoScript.h"
#include "dushanbe/GetCardInfoScript.h"
#include "dao/BankProfileDAO.h"
#include "dao/MaterialDAO.h"
#include "net/NetworkService.h"

AccountSettingsWindow::AccountSettingsWindow(
    QWidget *parent, QString deviceId, QString deviceName, const BankProfileInfo &app
) : QWidget(parent,
            Qt::Window
            | Qt::WindowTitleHint
            | Qt::WindowSystemMenuHint
            | Qt::WindowCloseButtonHint
            | Qt::WindowMinMaxButtonsHint),
    m_deviceId(std::move(deviceId)),
    m_deviceName(std::move(deviceName)),
    m_app(app) {
    setWindowTitle("Настройки банка [" + m_app.name + "]");
    setMinimumSize(700, 400);
    resize(750, 500);

    auto *mainLayout = new QVBoxLayout(this);

    auto *scrollArea = new QScrollArea(this);
    scrollArea->setWidgetResizable(true);
    auto *content = new QWidget;
    auto *layout = new QVBoxLayout(content);
    layout->setContentsMargins(8, 8, 8, 8);
    layout->setAlignment(Qt::AlignTop);

    // ── Статус профиля ─────────────────────────────────────────────────
    auto *statusRow = new QHBoxLayout;
    statusRow->addWidget(new QLabel("Статус профиля:"));
    m_statusLabel = new QLabel;
    m_statusLabel->setTextFormat(Qt::RichText);
    statusRow->addWidget(m_statusLabel);
    statusRow->addStretch();

    m_toggleBtn = new QPushButton;
    m_toggleBtn->setFixedWidth(120);
    connect(m_toggleBtn, &QPushButton::clicked, this, &AccountSettingsWindow::toggleProfileStatus);
    statusRow->addWidget(m_toggleBtn);
    layout->addLayout(statusRow);

    // ── Пин-код ────────────────────────────────────────────────────────
    auto *pinRow = new QHBoxLayout;
    pinRow->addWidget(new QLabel("Пин-код:"));
    m_pinLabel = new QLabel;
    m_pinLabel->setTextFormat(Qt::RichText);
    pinRow->addWidget(m_pinLabel);
    pinRow->addStretch();

    auto *editPinBtn = new QPushButton("Редактировать");
    editPinBtn->setStyleSheet("background-color: green; color: white; padding: 4px 12px;");
    connect(editPinBtn, &QPushButton::clicked, this, &AccountSettingsWindow::editPinCode);
    pinRow->addWidget(editPinBtn);

    auto *checkPinBtn = new QPushButton("Проверить пин-код");
    checkPinBtn->setStyleSheet("background-color: orange; color: white; padding: 4px 12px;");
    connect(checkPinBtn, &QPushButton::clicked, this, &AccountSettingsWindow::startCheckPinCode);
    pinRow->addWidget(checkPinBtn);
    layout->addLayout(pinRow);

    // ── Профиль ────────────────────────────────────────────────────────
    m_profileLabel = new QLabel;
    m_profileLabel->setTextFormat(Qt::RichText);
    m_profileLabel->setStyleSheet("margin: 4px 0;");
    layout->addWidget(m_profileLabel);

    // ── Кнопки обновления ──────────────────────────────────────────────
    auto *actionsRow = new QHBoxLayout;

    m_profileBtn = new QPushButton("Обновить профиль");
    m_profileBtn->setStyleSheet("background-color: #1565C0; color: white; padding: 4px 12px;");
    connect(m_profileBtn, &QPushButton::clicked, this, &AccountSettingsWindow::startGetProfileInfo);
    actionsRow->addWidget(m_profileBtn);

    m_cardsBtn = new QPushButton("Проверить аккаунты");
    m_cardsBtn->setStyleSheet("background-color: #1565C0; color: white; padding: 4px 12px;");
    connect(m_cardsBtn, &QPushButton::clicked, this, &AccountSettingsWindow::startGetCardInfo);
    actionsRow->addWidget(m_cardsBtn);

    actionsRow->addStretch();
    layout->addLayout(actionsRow);

    // ── Таблица карт ───────────────────────────────────────────────────
    layout->addSpacing(8);
    layout->addWidget(new QLabel("<b>Счета</b>"));

    m_cardsTable = new QTableWidget;
    m_cardsTable->setSelectionMode(QAbstractItemView::NoSelection);
    m_cardsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_cardsTable->setFocusPolicy(Qt::NoFocus);
    layout->addWidget(m_cardsTable);

    content->setLayout(layout);
    scrollArea->setWidget(content);
    mainLayout->addWidget(scrollArea);

    // Overlay (скрыт по умолчанию)
    m_overlay = new QWidget(this);
    m_overlay->setStyleSheet("background-color: rgba(0, 0, 0, 150);");
    m_overlay->hide();

    m_overlayText = new QLabel(m_overlay);
    m_overlayText->setAlignment(Qt::AlignCenter);
    m_overlayText->setStyleSheet("color: white; font-size: 16px; font-weight: bold;");
    auto *overlayLayout = new QVBoxLayout(m_overlay);
    overlayLayout->addWidget(m_overlayText);

    m_overlayTimer = new QTimer(this);
    m_overlayTimer->setSingleShot(true);

    updateStatusUI();
    reloadCards();
}

// ── Overlay ────────────────────────────────────────────────────────────────

void AccountSettingsWindow::resizeEvent(QResizeEvent *event) {
    QWidget::resizeEvent(event);
    if (m_overlay) m_overlay->setGeometry(rect());
}

void AccountSettingsWindow::showOverlay(const QString &text) {
    m_overlayText->setText(text);
    m_overlay->setGeometry(rect());
    m_overlay->raise();
    m_overlay->show();
}

void AccountSettingsWindow::hideOverlay(bool success, const QString &message, std::function<void()> onHidden) {
    m_overlayText->setText(message);
    m_overlayText->setStyleSheet(success
        ? "color: #4CAF50; font-size: 16px; font-weight: bold;"
        : "color: #F44336; font-size: 16px; font-weight: bold;");
    m_overlayTimer->disconnect();
    connect(m_overlayTimer, &QTimer::timeout, this, [this, onHidden]() {
        m_overlay->hide();
        m_overlayText->setStyleSheet("color: white; font-size: 16px; font-weight: bold;");
        if (onHidden) onHidden();
    });
    m_overlayTimer->start(1500);
}

// ── UI update ──────────────────────────────────────────────────────────────

void AccountSettingsWindow::updateStatusUI() {
    // Статус профиля
    const bool active = m_app.status == "active";
    m_statusLabel->setText(active
        ? "<span style='color:green;'>Активен</span>"
        : "<span style='color:red;'>Неактивен</span>");
    m_toggleBtn->setText(active ? "Выключить" : "Включить");
    m_toggleBtn->setStyleSheet(active
        ? "background-color: red; color: white; padding: 4px 12px;"
        : "background-color: green; color: white; padding: 4px 12px;");

    // Пин-код
    const QString pinDisplay = m_app.pinCode.isEmpty() ? "не задан" : m_app.pinCode;
    const QString pinStatus = m_app.pinCodeChecked
        ? "<span style='color:green;'>" + pinDisplay + " (проверен)</span>"
        : "<span style='color:red;'>" + pinDisplay + " (не проверен)</span>";
    m_pinLabel->setText(pinStatus);

    // Профиль
    if (m_app.fullName.isEmpty() && m_app.phone.isEmpty()) {
        m_profileLabel->setText("<span style='color:gray;'>Данные профиля не получены</span>");
    } else {
        QString text;
        if (!m_app.fullName.isEmpty()) text += m_app.fullName;
        if (!m_app.phone.isEmpty()) text += " | " + m_app.phone;
        if (!m_app.email.isEmpty()) text += " | " + m_app.email;

        const QString syncText = m_app.bankProfileId.isEmpty()
            ? " <span style='color:red;'>&#9679; Не синхронизирован</span>"
            : " <span style='color:green;'>&#9679; Синхронизирован</span>";
        m_profileLabel->setText(text + syncText);
    }
}

// ── Toggle On/Off ──────────────────────────────────────────────────────────

void AccountSettingsWindow::toggleProfileStatus() {
    const bool isActive = m_app.status == "active";
    const QString newStatus = isActive ? "off" : "active";

    // Если включаем — проверяем что есть хотя бы одна активная карта
    if (!isActive) {
        const QList<MaterialInfo> materials = MaterialDAO::getAccounts(m_deviceId, m_app.code);
        bool hasActive = false;
        for (const auto &m : materials) {
            if (m.status == MaterialStatus::Active) { hasActive = true; break; }
        }
        if (!hasActive) {
            QMessageBox::warning(this, "Невозможно включить",
                "Ни одна карта не активна.\nВключите хотя бы одну карту перед включением профиля.");
            return;
        }
    }

    if (!BankProfileDAO::update(m_app.id, m_app.pinCode, m_app.comment, newStatus))
        return;

    m_app.status = newStatus;
    showOverlay(isActive ? "Выключение профиля..." : "Включение профиля...");
    sendAppStatus(newStatus);
}

// ── Edit PIN ───────────────────────────────────────────────────────────────

void AccountSettingsWindow::editPinCode() {
    bool ok;
    const QString pin = QInputDialog::getText(this, "Пин-код",
        "Введите пин-код:", QLineEdit::Normal, m_app.pinCode, &ok);
    if (!ok) return;

    if (BankProfileDAO::update(m_app.id, pin, m_app.comment, m_app.status)) {
        m_app.pinCode = pin;
        m_app.pinCodeChecked = false;
        BankProfileDAO::updatePinCodeStatus(m_app.id, "no", "");
        updateStatusUI();
    }
}

// ── Check PIN ──────────────────────────────────────────────────────────────

void AccountSettingsWindow::startCheckPinCode() {
    if (m_app.pinCode.isEmpty()) {
        QMessageBox::warning(this, "Пин-код не задан",
            "Сначала укажите пин-код через кнопку \"Редактировать\".");
        return;
    }

    auto *thread = new QThread(nullptr);
    const QString deviceId = m_deviceId;
    const QString appCode = m_app.code;
    const int appId = m_app.id;

    auto onResult = [this, appId](const QString &result) {
        if (result.isEmpty()) {
            BankProfileDAO::updatePinCodeStatus(appId, "yes", "");
            m_app.pinCodeChecked = true;
            QMetaObject::invokeMethod(this, [this]() { updateStatusUI(); }, Qt::QueuedConnection);
        }
    };

    if (appCode == "ozon") {
        auto *worker = new Ozon::LoginAndCheckAccountsScript(deviceId, appCode, nullptr, false, true);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Ozon::LoginAndCheckAccountsScript::start);
        connect(worker, &Ozon::LoginAndCheckAccountsScript::finishedWithResult, this, onResult, Qt::QueuedConnection);
        connect(worker, &Ozon::LoginAndCheckAccountsScript::finished, thread, &QThread::quit);
        connect(worker, &Ozon::LoginAndCheckAccountsScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else if (appCode == "black") {
        auto *worker = new Black::LoginAndCheckAccountsScript(deviceId, appCode, nullptr, true);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Black::LoginAndCheckAccountsScript::start);
        connect(worker, &Black::LoginAndCheckAccountsScript::finishedWithResult, this, onResult, Qt::QueuedConnection);
        connect(worker, &Black::LoginAndCheckAccountsScript::finished, thread, &QThread::quit);
        connect(worker, &Black::LoginAndCheckAccountsScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else {
        thread->deleteLater();
        return;
    }

    thread->start();
}

// ── Get Profile ────────────────────────────────────────────────────────────

void AccountSettingsWindow::startGetProfileInfo() {
    m_profileBtn->setEnabled(false);
    m_cardsBtn->setEnabled(false);

    auto *thread = new QThread(nullptr);
    const QString deviceId = m_deviceId;
    const QString appCode = m_app.code;

    auto onDone = [this, appCode]() {
        QMetaObject::invokeMethod(this, [this, appCode]() {
            m_profileBtn->setEnabled(true);
            m_cardsBtn->setEnabled(true);
            m_app = BankProfileDAO::getApplication(m_deviceId, appCode);
            updateStatusUI();
        }, Qt::QueuedConnection);
    };

    if (appCode == "ozon") {
        auto *worker = new Ozon::GetProfileInfoScript(deviceId, appCode, nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Ozon::GetProfileInfoScript::start);
        connect(worker, &Ozon::GetProfileInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Ozon::GetProfileInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Ozon::GetProfileInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else if (appCode == "black") {
        auto *worker = new Black::GetProfileInfoScript(deviceId, appCode, nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Black::GetProfileInfoScript::start);
        connect(worker, &Black::GetProfileInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Black::GetProfileInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Black::GetProfileInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else if (appCode == "dushanbe_city_bank") {
        auto *worker = new Dushanbe::GetProfileInfoScript(deviceId, appCode, nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Dushanbe::GetProfileInfoScript::start);
        connect(worker, &Dushanbe::GetProfileInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Dushanbe::GetProfileInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Dushanbe::GetProfileInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else {
        thread->deleteLater();
        return;
    }

    thread->start();
}

// ── Get Cards ──────────────────────────────────────────────────────────────

void AccountSettingsWindow::startGetCardInfo() {
    m_profileBtn->setEnabled(false);
    m_cardsBtn->setEnabled(false);

    auto *thread = new QThread(nullptr);
    const QString deviceId = m_deviceId;
    const QString appCode = m_app.code;

    auto onDone = [this]() {
        QMetaObject::invokeMethod(this, [this]() {
            m_profileBtn->setEnabled(true);
            m_cardsBtn->setEnabled(true);
            reloadCards();
        }, Qt::QueuedConnection);
    };

    if (appCode == "ozon") {
        auto *worker = new Ozon::GetCardInfoScript(deviceId, appCode, "", nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Ozon::GetCardInfoScript::start);
        connect(worker, &Ozon::GetCardInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Ozon::GetCardInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Ozon::GetCardInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else if (appCode == "black") {
        auto *worker = new Black::GetCardInfoScript(deviceId, appCode, nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Black::GetCardInfoScript::start);
        connect(worker, &Black::GetCardInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Black::GetCardInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Black::GetCardInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else if (appCode == "dushanbe_city_bank") {
        auto *worker = new Dushanbe::GetCardInfoScript(deviceId, appCode, nullptr);
        worker->moveToThread(thread);
        connect(thread, &QThread::started, worker, &Dushanbe::GetCardInfoScript::start);
        connect(worker, &Dushanbe::GetCardInfoScript::finished, this, onDone, Qt::QueuedConnection);
        connect(worker, &Dushanbe::GetCardInfoScript::finished, thread, &QThread::quit);
        connect(worker, &Dushanbe::GetCardInfoScript::finished, worker, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    } else {
        thread->deleteLater();
        return;
    }

    thread->start();
}

// ── Send status to server ──────────────────────────────────────────────────

void AccountSettingsWindow::sendAppStatus(const QString &status) {
    if (m_app.bankProfileId.isEmpty()) {
        qWarning() << "[AccountSettings] sendAppStatus: no bankProfileId for" << m_app.code;
        hideOverlay(true, "Сохранено локально", [this]() { updateStatusUI(); });
        return;
    }

    const bool enable = (status == "active");
    auto *thread = new QThread;
    auto *net = new NetworkService;
    net->moveToThread(thread);
    net->addExtra("bank_profile_id", m_app.bankProfileId);
    net->addExtra("enable", enable);
    connect(thread, &QThread::started, net, &NetworkService::toggleBankProfile);
    connect(net, &NetworkService::finishedWithResult, this, [this](int result) {
        if (result == 0) {
            hideOverlay(true, "Успешно", [this]() { updateStatusUI(); });
        } else {
            hideOverlay(false, "Ошибка отправки на сервер", [this]() { updateStatusUI(); });
        }
    }, Qt::QueuedConnection);
    connect(net, &NetworkService::finished, thread, &QThread::quit);
    connect(net, &NetworkService::finished, net, &QObject::deleteLater);
    connect(thread, &QThread::finished, thread, &QThread::deleteLater);
    thread->start();
}

// ── Toggle card status ─────────────────────────────────────────────────────

void AccountSettingsWindow::toggleMaterialStatus(const MaterialInfo &account) {
    const bool isActive = account.status == MaterialStatus::Active;
    const QString newStatus = isActive ? "off" : "active";

    if (!MaterialDAO::updateStatus(account.id, newStatus)) {
        qWarning() << "[AccountSettings] Failed to update material status:" << account.id;
        return;
    }

    showOverlay(isActive ? "Выключение карты..." : "Включение карты...");

    auto finishToggle = [this, isActive]() {
        // Если выключили — проверяем остались ли активные
        if (isActive) {
            const QList<MaterialInfo> materials = MaterialDAO::getAccounts(m_deviceId, m_app.code);
            bool hasActive = false;
            for (const auto &m : materials) {
                if (m.status == MaterialStatus::Active) { hasActive = true; break; }
            }
            if (!hasActive && m_app.status == "active") {
                BankProfileDAO::update(m_app.id, m_app.pinCode, m_app.comment, "off");
                m_app.status = "off";
                sendAppStatus("off");
                return; // sendAppStatus покажет свой overlay
            }
        }
        reloadCards();
    };

    if (!account.materialId.isEmpty()) {
        auto *thread = new QThread;
        auto *net = new NetworkService;
        net->moveToThread(thread);
        net->addExtra("material_id", account.materialId);
        net->addExtra("enable", !isActive);
        connect(thread, &QThread::started, net, &NetworkService::toggleMaterial);
        connect(net, &NetworkService::finishedWithResult, this, [this, finishToggle](int result) {
            if (result == 0) {
                hideOverlay(true, "Успешно", finishToggle);
            } else {
                hideOverlay(false, "Ошибка отправки на сервер", finishToggle);
            }
        }, Qt::QueuedConnection);
        connect(net, &NetworkService::finished, thread, &QThread::quit);
        connect(net, &NetworkService::finished, net, &QObject::deleteLater);
        connect(thread, &QThread::finished, thread, &QThread::deleteLater);
        thread->start();
    } else {
        hideOverlay(true, "Сохранено локально", finishToggle);
    }
}

// ── Cards table ────────────────────────────────────────────────────────────

void AccountSettingsWindow::reloadCards() {
    const QList<MaterialInfo> accounts = MaterialDAO::getAccounts(m_deviceId, m_app.code);

    m_cardsTable->clearContents();
    m_cardsTable->setRowCount(accounts.size());
    m_cardsTable->setColumnCount(7);
    m_cardsTable->setHorizontalHeaderLabels({
        "Сервер", "Статус", "Время обновления", "Номер", "Сумма", "Валюта", ""
    });
    m_cardsTable->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);

    for (int k = 0; k < accounts.size(); ++k) {
        const MaterialInfo &acc = accounts[k];

        // Сервер
        auto *syncItem = new QTableWidgetItem(acc.materialId.isEmpty() ? "Не синхр." : "Синхр.");
        syncItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        syncItem->setForeground(acc.materialId.isEmpty() ? QBrush(Qt::red) : QBrush(Qt::darkGreen));
        m_cardsTable->setItem(k, 0, syncItem);

        // Статус
        const bool isActive = acc.status == MaterialStatus::Active;
        auto *statusItem = new QTableWidgetItem(materialStatusToUiString(acc.status));
        statusItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        statusItem->setForeground(isActive ? QBrush(Qt::darkGreen) : QBrush(Qt::red));
        m_cardsTable->setItem(k, 1, statusItem);

        // Время обновления
        auto *timeItem = new QTableWidgetItem(acc.updateTime.toString("dd.MM.yyyy HH:mm:ss"));
        timeItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        m_cardsTable->setItem(k, 2, timeItem);

        // Номер
        const QString displayNumber = acc.cardNumber.isEmpty() ? acc.lastNumbers : acc.cardNumber;
        auto *numItem = new QTableWidgetItem(displayNumber);
        numItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        m_cardsTable->setItem(k, 3, numItem);

        // Сумма
        auto *amountItem = new QTableWidgetItem(QString::number(acc.amount));
        amountItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        m_cardsTable->setItem(k, 4, amountItem);

        // Валюта
        auto *currItem = new QTableWidgetItem(acc.currency);
        currItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        m_cardsTable->setItem(k, 5, currItem);

        // Кнопка вкл/выкл
        auto *toggleBtn = new QPushButton(isActive ? "Выключить" : "Включить", m_cardsTable);
        toggleBtn->setStyleSheet(isActive
            ? "background-color: orange; color: white;"
            : "background-color: green; color: white;");
        m_cardsTable->setCellWidget(k, 6, toggleBtn);

        connect(toggleBtn, &QPushButton::clicked, this, [this, acc]() {
            toggleMaterialStatus(acc);
        });
    }

    m_cardsTable->resizeColumnsToContents();
    m_cardsTable->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Stretch);
    m_cardsTable->resizeRowsToContents();
}