// settingsdialog.cpp — Settings dialog with category list
#include "settingsdialog.h"
#include "networksettingspage.h"
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QLabel>

SettingsDialog::SettingsDialog(const QString& configPath, QWidget* parent)
    : QDialog(parent)
    , m_configPath(configPath)
{
    setWindowTitle("Settings");
    setMinimumSize(560, 380);
    setModal(true);

    auto* mainLayout = new QHBoxLayout(this);
    mainLayout->setSpacing(0);
    mainLayout->setContentsMargins(0, 0, 0, 0);

    // --- Left sidebar: category list ---
    m_categoryList = new QListWidget(this);
    m_categoryList->setFixedWidth(150);
    m_categoryList->setStyleSheet(
        "QListWidget { border: none; border-right: 1px solid palette(mid);"
        " background: palette(window); font-size: 13px; }"
        "QListWidget::item { padding: 10px 14px; }"
        "QListWidget::item:selected { background: #3390EC; color: white; }");
    m_categoryList->addItem("Network");
    mainLayout->addWidget(m_categoryList);

    // --- Right panel: stacked pages ---
    auto* rightPanel = new QWidget(this);
    auto* rightLayout = new QVBoxLayout(rightPanel);
    rightLayout->setContentsMargins(20, 16, 20, 16);
    rightLayout->setSpacing(0);

    m_pages = new QStackedWidget(rightPanel);
    m_networkPage = new NetworkSettingsPage(m_pages);
    m_pages->addWidget(m_networkPage);
    rightLayout->addWidget(m_pages, 1);

    // --- Bottom buttons ---
    auto* btnLayout = new QHBoxLayout();
    btnLayout->setSpacing(8);
    btnLayout->addStretch();

    auto* cancelBtn = new QPushButton("Cancel", rightPanel);
    cancelBtn->setFixedWidth(90);
    cancelBtn->setStyleSheet(
        "QPushButton { border: 1px solid palette(mid); border-radius: 4px;"
        " padding: 6px 16px; font-size: 13px; background: palette(button); }"
        "QPushButton:hover { background: palette(light); }");
    connect(cancelBtn, &QPushButton::clicked, this, &QDialog::reject);
    btnLayout->addWidget(cancelBtn);

    m_saveBtn = new QPushButton("Save", rightPanel);
    m_saveBtn->setFixedWidth(90);
    m_saveBtn->setDefault(true);
    m_saveBtn->setStyleSheet(
        "QPushButton { border: none; border-radius: 4px;"
        " padding: 6px 16px; font-size: 13px; font-weight: bold;"
        " background: #3390EC; color: white; }"
        "QPushButton:hover { background: #2B7ED4; }");
    connect(m_saveBtn, &QPushButton::clicked, this, &SettingsDialog::onSave);
    btnLayout->addWidget(m_saveBtn);

    rightLayout->addLayout(btnLayout);
    mainLayout->addWidget(rightPanel, 1);

    connect(m_categoryList, &QListWidget::currentRowChanged,
            this, &SettingsDialog::onCategoryChanged);

    m_networkPage->loadFromConfig(m_configPath);
    m_categoryList->setCurrentRow(0);
}

void SettingsDialog::onCategoryChanged(int row) {
    m_pages->setCurrentIndex(row);
}

void SettingsDialog::onSave() {
    m_networkPage->saveToConfig(m_configPath);
    accept();
}