#include "DeviceSettingsWindow.h"

#include <QVBoxLayout>
#include <QHeaderView>
#include <QScrollArea>
#include <QCoreApplication>
#include <QPushButton>
#include <QLabel>

#include <QSettings>
#include "bank/AccountSettingsWindow.h"
#include "dao/BankProfileDAO.h"
#include "db/BankProfileInfo.h"

static QString formatStatus(const BankProfileInfo &app) {
    if (!app.install) return "не установлен";
    if (app.status == "active") {
        if (!app.pinCodeChecked)
            return app.pinCode.isEmpty() ? "нет пин-код" : "пин-код не проверен";
        return "работает";
    }
    if (app.status == "off") return "выключено";
    return app.status;
}

DeviceSettingsWindow::DeviceSettingsWindow(QWidget *parent, const QString &deviceId, const QString &deviceName)
    : QWidget(parent,
              Qt::Window
              | Qt::WindowTitleHint
              | Qt::WindowSystemMenuHint
              | Qt::WindowCloseButtonHint
              | Qt::WindowMinMaxButtonsHint),
      m_deviceId(deviceId),
      m_deviceName(deviceName) {
    setWindowTitle("Настройки устройства [" + m_deviceName + "]");
    setMinimumSize(600, 300);
    resize(700, 400);

    auto *mainLayout = new QVBoxLayout(this);

    auto *scrollArea = new QScrollArea(this);
    scrollArea->setWidgetResizable(true);

    auto *contentWidget = new QWidget;
    auto *layout = new QVBoxLayout(contentWidget);
    layout->setContentsMargins(4, 4, 4, 4);
    layout->setAlignment(Qt::AlignTop);

    auto *tableWidget = new QTableWidget(this);
    tableWidget->setSelectionMode(QAbstractItemView::NoSelection);
    tableWidget->setFocusPolicy(Qt::NoFocus);
    tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);

    reloadContent(tableWidget);
    tableWidget->resizeColumnsToContents();
    tableWidget->resizeRowsToContents();

    layout->addWidget(tableWidget);

    contentWidget->setLayout(layout);
    scrollArea->setWidget(contentWidget);
    mainLayout->addWidget(scrollArea);
    setLayout(mainLayout);
}

void DeviceSettingsWindow::reloadContent(QTableWidget *tableWidget) {
    QList<BankProfileInfo> apps = BankProfileDAO::getAllApplicationsByDeviceId(m_deviceId);

    // Дополняем список банками из config.ini, которых нет в БД
    const QSettings configSettings("config.ini", QSettings::IniFormat);
    const QStringList banks = configSettings.value("apps/list").toStringList();
    QSet<QString> existingCodes;
    for (const BankProfileInfo &a : apps) {
        existingCodes.insert(a.code);
    }
    for (const QString &rawBank : banks) {
        const QString bank = rawBank.trimmed();
        if (bank.isEmpty() || existingCodes.contains(bank)) continue;
        BankProfileInfo stub;
        stub.id = -1;
        stub.deviceId = m_deviceId;
        stub.code = bank;
        stub.name = configSettings.value(bank + "/name", bank).toString();
        stub.package = configSettings.value(bank + "/android_package_name").toString();
        stub.currency = configSettings.value(bank + "/currency").toString();
        stub.status = "off";
        stub.install = false;
        apps.append(stub);
    }

    tableWidget->clearContents();
    tableWidget->setRowCount(apps.size());
    tableWidget->setColumnCount(7);
    tableWidget->setHorizontalHeaderLabels({"", "Приложение", "Пакет", "Валюта", "Статус", "Комментарий", ""});

    tableWidget->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);
    for (int i = 0; i < 7; ++i)
        tableWidget->horizontalHeader()->setSectionResizeMode(i, QHeaderView::ResizeToContents);
    tableWidget->horizontalHeader()->setSectionResizeMode(5, QHeaderView::Stretch);

    for (int k = 0; k < apps.size(); ++k) {
        const BankProfileInfo &app = apps[k];

        // Иконка
        auto *icon = new QLabel(tableWidget);
        QPixmap pixmap(QCoreApplication::applicationDirPath() + "/images/" + app.code + "_icon.png");
        icon->setPixmap(pixmap.scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation));
        icon->setStyleSheet("background-color: transparent; padding: 0 4px 0 0;");
        icon->setMinimumSize(24, 20);
        tableWidget->setCellWidget(k, 0, icon);

        // Название
        auto *nameItem = new QTableWidgetItem(app.name);
        nameItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        tableWidget->setItem(k, 1, nameItem);

        // Пакет
        auto *packageItem = new QTableWidgetItem(app.package);
        packageItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        tableWidget->setItem(k, 2, packageItem);

        // Валюта
        auto *currencyItem = new QTableWidgetItem(app.currency);
        currencyItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        tableWidget->setItem(k, 3, currencyItem);

        // Статус
        auto *statusItem = new QTableWidgetItem(formatStatus(app));
        statusItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        if (app.status != "active" || !app.pinCodeChecked)
            statusItem->setForeground(QBrush(Qt::red));
        else
            statusItem->setForeground(QBrush(Qt::darkGreen));
        tableWidget->setItem(k, 4, statusItem);

        // Комментарий
        auto *commentItem = new QTableWidgetItem(app.comment);
        commentItem->setTextAlignment(Qt::AlignLeft | Qt::AlignVCenter);
        tableWidget->setItem(k, 5, commentItem);

        // Кнопка "Настроить"
        auto *settingsBtn = new QPushButton("Настроить", tableWidget);
        settingsBtn->setStyleSheet("background-color: green; color: white; border-radius: 4px; height: 26px;");
        tableWidget->setCellWidget(k, 6, settingsBtn);

        connect(settingsBtn, &QPushButton::clicked, this, [this, app]() {
            auto *window = new AccountSettingsWindow(nullptr, m_deviceId, m_deviceName, app);
            window->setWindowFlags(window->windowFlags() | Qt::Window);
            window->setAttribute(Qt::WA_DeleteOnClose);
            window->show();
            window->raise();
            window->activateWindow();
        });
    }
}