#include "DeviceWidget.h"
#include <QVBoxLayout>
#include <QLabel>
#include <QPixmap>
#include <QImage>
#include <QPushButton>
#include <QCoreApplication>
#include <QPointer>
#include <QPropertyAnimation>
#include <QGraphicsScene>
#include <QMessageBox>

#include "bank/AccountSettingsWindow.h"
#include "bank/BankSettingsWindow.h"
#include "DeviceSettingsWindow.h"
#include "dao/ApplicationDAO.h"
#include "dao/DeviceDAO.h"
#include "db/ApplicationInfo.h"


QString getColorByStatus(const ApplicationInfo &app) {
    if (!app.install) {
        return "black";
    }
    if (app.status == "active") {
        if (!app.pinCodeChecked) {
            return "orange";
        }
        return "green";
    } else if (app.status == "off") {
        return "red";
    } else {
        return "red";
    }
}

void sendBankStatus(const QString &deviceId, const QString &code, const QString &status) {
    Q_UNUSED(deviceId) Q_UNUSED(code) Q_UNUSED(status)
    // TODO: заменить на новый API
}

void DeviceWidget::buildBankRow(const ApplicationInfo &app, QWidget *rowWidget, QWidget *parent, bool isOffline) {
    rowWidget->setContentsMargins(0, 0, 0, 0);
    rowWidget->setStyleSheet(
        "background-color: rgba(0, 0, 0, 0.6);" // полупрозрачный фон
        "border-radius: 4px;" // скруглённые углы, если нужно
    );

    // вешаем на контейнер ваш QHBoxLayout
    auto *hbox = new QHBoxLayout(rowWidget);
    hbox->setContentsMargins(2, 1, 1, 1);
    hbox->setSpacing(0);

    auto *icon = new QLabel(parent);
    QPixmap pixmap(QString("%1/images/%2_icon.png").arg(QCoreApplication::applicationDirPath(), app.code));
    icon->setPixmap(pixmap);
    icon->setPixmap(pixmap.scaled(18, 18, Qt::KeepAspectRatio, Qt::SmoothTransformation));
    icon->setStyleSheet(
        "background-color: transparent;"
        "margin: 0px;"
    );


    auto *label = new QLabel(app.name, parent);
    label->setStyleSheet(
        "background-color: transparent;"
        "margin: 0px;"
        "font-size: 10px;"
        "color: white;"
    );

    auto *circle = new QLabel(parent);
    circle->setFixedSize(12, 12);
    const QString color = getColorByStatus(app);
    circle->setStyleSheet(
        "margin: 0px;"
        "background-color: " + color + "; "
        "border-radius: 6px;"
    );
    // собираем
    if (app.install && app.pinCodeChecked && (app.status == "active" || app.status == "off")) {
        auto *btn1 = new QPushButton(parent);
        bool turnOn = app.pinCodeChecked && app.status == "active";
        QIcon btnIcon(
            QCoreApplication::applicationDirPath() + (turnOn ? "/images/turn_off.png" : "/images/turn_on.png"));
        btn1->setIcon(btnIcon);
        btn1->setIconSize(QSize(16, 16));
        btn1->setFlat(true);
        btn1->setStyleSheet(
            "margin: 0px;"
            "background-color: transparent;"
            "border: none;"
        );

        if (isOffline) {
            btn1->setEnabled(false);
        }
        connect(btn1, &QPushButton::clicked, this, [app]() {
            const QString newStatus = app.status == "active" ? "off" : "active";
            QMessageBox msgBox(nullptr);
            msgBox.setWindowTitle(newStatus == "off" ? "Отключить банк?" : "Включить банк?");
            msgBox.setText(
                "Вы уверены, что хотите "
                + QString(newStatus == "off" ? "отключить от работы" : "включить")
                + " данный банк: "
                + app.name + "?");
            QPushButton *confirmBtn = msgBox.addButton(newStatus == "off" ? "Отключить" : "Включить",
                                                       QMessageBox::AcceptRole);
            QPushButton *cancelBtn = msgBox.addButton("Отмена", QMessageBox::RejectRole);
            msgBox.setDefaultButton(cancelBtn);
            msgBox.setModal(true);
            msgBox.exec();

            if (msgBox.clickedButton() == confirmBtn) {
                if (!ApplicationDAO::update(app.id, app.pinCode, app.comment, newStatus)) {
                    qDebug() << "Cant update bank data";
                } else {
                    sendBankStatus(app.deviceId, app.code, newStatus);
                }
            }
        });
        hbox->addWidget(btn1);
    }

    auto *btn2 = new QPushButton(parent);
    QIcon btn2Icon(QCoreApplication::applicationDirPath() + "/images/cogwheel.png");
    btn2->setIcon(btn2Icon);
    btn2->setIconSize(QSize(16, 16));
    btn2->setFlat(true);
    btn2->setStyleSheet(
        "margin: 0px;"
        "background-color: transparent;"
        "border: none;"
    );
    // в конструкторе окна или сразу после создания btn2:
    connect(btn2, &QPushButton::pressed, this, [btn2] {
        auto anim = new QPropertyAnimation(btn2, "geometry");
        anim->setDuration(120);
        QRect orig = btn2->geometry();
        QRect smaller = orig.adjusted(orig.width() * 0.05,
                                      orig.height() * 0.05,
                                      -orig.width() * 0.05,
                                      -orig.height() * 0.05);
        anim->setStartValue(orig);
        anim->setKeyValueAt(0.5, smaller);
        anim->setEndValue(orig);
        anim->setEasingCurve(QEasingCurve::InOutQuad);
        anim->start(QAbstractAnimation::DeleteWhenStopped);
    });

    setOpenBanksSettings(btn2, app);

    hbox->addWidget(icon);
    hbox->addWidget(label, 1);
    hbox->addWidget(circle);
    hbox->addWidget(btn2);

    // hbox->addStretch();
}

void DeviceWidget::setOpenBanksSettings(QPushButton *button, const ApplicationInfo &app) {
    QString deviceId = m_device.id;
    QString deviceName = m_device.name;
    connect(button, &QPushButton::clicked, this, [deviceId, deviceName, app]() {
        static QPointer<AccountSettingsWindow> bankSettingsWindow;

        // Если окна нет (либо ещё не было создано, либо уже удалилось) — создаём заново
        if (!bankSettingsWindow) {
            bankSettingsWindow = new AccountSettingsWindow(nullptr, deviceId, deviceName, app);
            bankSettingsWindow->setWindowFlags(bankSettingsWindow->windowFlags() | Qt::Window);
            bankSettingsWindow->setAttribute(Qt::WA_DeleteOnClose);
        }

        // Показать/поднять/активировать
        bankSettingsWindow->show();
        bankSettingsWindow->raise();
        bankSettingsWindow->activateWindow();
    });
}

DeviceWidget::DeviceWidget(const DeviceInfo &device, QWidget *parent): QWidget(parent), m_device(device) {
    auto *layout = new QGridLayout(this);
    layout->setContentsMargins(2, 2, 2, 2);
    layout->setSpacing(0);
    this->setStyleSheet("background-color: lightgray;padding: 2px;");

    auto *imageLabel = new QLabel(this);
    if (!device.image.isEmpty()) {
        QImage img;
        img.loadFromData(device.image, "JPG");
        imageLabel->setPixmap(QPixmap::fromImage(img).scaled(300, 450, Qt::KeepAspectRatio, Qt::SmoothTransformation));
    } else {
        imageLabel->setFixedSize(300, 450);
        imageLabel->setStyleSheet("background-color: #555;");
    }
    imageLabel->setAlignment(Qt::AlignCenter);
    layout->addWidget(imageLabel, 0, 0);

    auto *statusLabel = new QLabel(QString("%1  %2%").arg(device.name).arg(device.battery), this);
    statusLabel->setWordWrap(true);
    statusLabel->setMaximumWidth(300);
    statusLabel->setStyleSheet(
        "background-color: rgba(0, 0, 0, 0.5);"
        "color: white;"
    );
    layout->addWidget(statusLabel, 0, 0, Qt::AlignTop | Qt::AlignLeft);

    // Кнопки настроек и удаления (справа сверху)
    auto *topRightWidget = new QWidget(this);
    topRightWidget->setStyleSheet("background: transparent;");
    auto *topRightLayout = new QHBoxLayout(topRightWidget);
    topRightLayout->setContentsMargins(0, 0, 0, 0);
    topRightLayout->setSpacing(2);

    auto *settingsBtn = new QPushButton(this);
    settingsBtn->setIcon(QIcon(QCoreApplication::applicationDirPath() + "/images/cogwheel.png"));
    settingsBtn->setIconSize(QSize(20, 20));
    settingsBtn->setFixedSize(28, 28);
    settingsBtn->setFlat(true);
    settingsBtn->setStyleSheet(
        "background-color: rgba(0, 0, 0, 0.5);"
        "border: none;"
        "border-radius: 4px;"
    );
    connect(settingsBtn, &QPushButton::clicked, this, [this]() {
        auto *window = new DeviceSettingsWindow(nullptr, m_device.id, m_device.name);
        window->setAttribute(Qt::WA_DeleteOnClose);
        window->show();
        window->raise();
        window->activateWindow();
    });

    auto *deleteBtn = new QPushButton(this);
    deleteBtn->setIcon(QIcon(QCoreApplication::applicationDirPath() + "/images/delete.png"));
    deleteBtn->setIconSize(QSize(20, 20));
    deleteBtn->setFixedSize(28, 28);
    deleteBtn->setFlat(true);
    deleteBtn->setStyleSheet(
        "background-color: rgba(0, 0, 0, 0.5);"
        "border: none;"
        "border-radius: 4px;"
    );
    connect(deleteBtn, &QPushButton::clicked, this, [this]() {
        const QString deviceId = m_device.id;
        const QString deviceName = m_device.name;
        QPointer<DeviceWidget> guard(this);

        QMessageBox msgBox(nullptr);
        msgBox.setWindowTitle(tr("Удалить устройство?"));
        msgBox.setText(
            "Будет удалено устройство " + deviceName +
            " и все связанные данные: банки, аккаунты, транзакции и события.");
        QPushButton *confirmBtn = msgBox.addButton(tr("Удалить"), QMessageBox::AcceptRole);
        QPushButton *cancelBtn = msgBox.addButton(tr("Отмена"), QMessageBox::RejectRole);
        msgBox.setDefaultButton(cancelBtn);
        msgBox.setModal(true);
        msgBox.exec();

        if (msgBox.clickedButton() == confirmBtn) {
            DeviceDAO::deleteDevice(deviceId);
        }
    });

    topRightLayout->addWidget(settingsBtn);
    topRightLayout->addWidget(deleteBtn);
    layout->addWidget(topRightWidget, 0, 0, Qt::AlignTop | Qt::AlignRight);

    if (device.status != "device") {
        auto *offlineLabel = new QLabel("Офлайн", this);
        offlineLabel->setAlignment(Qt::AlignCenter);
        offlineLabel->setStyleSheet(
            "background-color: rgba(0, 0, 0, 0.6);"
            "color: white;"
            "font-size: 24px;"
            "font-weight: bold;"
            "padding: 10px 20px;"
            "border-radius: 8px;"
        );
        layout->addWidget(offlineLabel, 0, 0, Qt::AlignCenter);
    }


    auto *appsView = new QWidget(this);
    appsView->setAttribute(Qt::WA_TransparentForMouseEvents, false);
    appsView->setStyleSheet("background: transparent;");

    auto *appsBoxLayout = new QVBoxLayout(appsView);
    appsBoxLayout->setContentsMargins(2, 0, 0, 2);
    appsBoxLayout->setSpacing(2);

    const bool isOffline = device.status != "device";

    QList<ApplicationInfo> apps = ApplicationDAO::getApplicationsByDeviceId(device.id);
    for (ApplicationInfo &app: apps) {
        if (app.install) {
            auto *rowWidget = new QWidget(appsView);
            buildBankRow(app, rowWidget, appsView, isOffline);
            appsBoxLayout->addWidget(rowWidget, 1);
        }
    }
    // appsBoxLayout->addStretch();

    // кладём overlay в ту же ячейку, что и картинку,
    // но выравниваем его по левому-нижнему углу
    layout->setColumnStretch(0, 1);
    layout->addWidget(appsView, 0, 0, Qt::AlignLeft | Qt::AlignBottom);
    // layout->addWidget(appsView, 0, 0, Qt::AlignLeft); TODO так на всю ширину

    // auto *addBankBtn = new QPushButton(this);
    // addBankBtn->setMaximumWidth(300);
    // addBankBtn->setText("Добавить банк +");
    // addBankBtn->setStyleSheet(
    //     "background-color: #fff;"
    //     "margin-top: 2px;"
    //     "padding: 4px;"
    //     "color: #000;"
    // );

    // setOpenBanksSettings(addBankBtn);
    // layout->addWidget(addBankBtn, 1, 0);
}