init preferences ui

diff --git a/include/widgets/preferencesdialog.h b/include/widgets/preferencesdialog.h
new file mode 100644 (file)
index 0000000..47921f0
--- /dev/null
+++ b/include/widgets/preferencesdialog.h
@@ -0,0 +1,35 @@
+#ifndef PREFERENCESDIALOG_H
+#define PREFERENCESDIALOG_H
+
+#include <QDialog>
+
+class QLabel;
+class QTabWidget;
+
+class PreferencesDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit PreferencesDialog(QWidget* parent = nullptr);
+
+private:
+    void setupUi();
+    void loadStatistics();
+    QString formatBytes(qint64 bytes) const;
+
+    QTabWidget* tabWidget;
+
+    // Stats labels
+    QLabel* lblFoodLogs;
+    QLabel* lblCustomFoods;
+    QLabel* lblRdaOverrides;
+    QLabel* lblRecipes;
+    QLabel* lblSnapshots;
+
+    // Size labels
+    QLabel* lblUsdaSize;
+    QLabel* lblUserSize;
+    QLabel* lblBackupSize;
+};
+
+#endif  // PREFERENCESDIALOG_H

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index c3261083db249521c1effe82c38be23677138a01..98205bb4d5ad5f9671d2264aa862cd0b9687add3 100644 (file)
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -13,6 +13,7 @@
 #include <QWidget>
 
 #include "db/databasemanager.h"
+#include "widgets/preferencesdialog.h"
 #include "widgets/rdasettingswidget.h"
 
 MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
@@ -51,8 +52,11 @@ void MainWindow::setupUi() {
         dlg.exec();
     });
 
-    QAction* settingsAction = editMenu->addAction("Settings");
-    connect(settingsAction, &QAction::triggered, this, &MainWindow::onSettings);
+    QAction* preferencesAction = editMenu->addAction("Preferences");
+    connect(preferencesAction, &QAction::triggered, this, [this]() {
+        PreferencesDialog dlg(this);
+        dlg.exec();
+    });
 
     // Help Menu
     auto* helpMenu = menuBar()->addMenu("&Help");

diff --git a/src/widgets/preferencesdialog.cpp b/src/widgets/preferencesdialog.cpp
new file mode 100644 (file)
index 0000000..10e56db
--- /dev/null
+++ b/src/widgets/preferencesdialog.cpp
@@ -0,0 +1,139 @@
+#include "widgets/preferencesdialog.h"
+
+#include <QDir>
+#include <QFileInfo>
+#include <QFormLayout>
+#include <QGroupBox>
+#include <QLabel>
+#include <QSqlQuery>
+#include <QTabWidget>
+#include <QVBoxLayout>
+
+#include "db/databasemanager.h"
+
+PreferencesDialog::PreferencesDialog(QWidget* parent) : QDialog(parent) {
+    setWindowTitle("Preferences");
+    setMinimumSize(450, 400);
+    setupUi();
+    loadStatistics();
+}
+
+void PreferencesDialog::setupUi() {
+    auto* mainLayout = new QVBoxLayout(this);
+
+    tabWidget = new QTabWidget(this);
+
+    // === Usage Statistics Tab ===
+    auto* statsWidget = new QWidget();
+    auto* statsLayout = new QVBoxLayout(statsWidget);
+
+    // --- Counts Group ---
+    auto* countsGroup = new QGroupBox("Data Counts");
+    auto* countsLayout = new QFormLayout(countsGroup);
+
+    lblFoodLogs = new QLabel("--");
+    lblCustomFoods = new QLabel("--");
+    lblRdaOverrides = new QLabel("--");
+    lblRecipes = new QLabel("--");
+    lblSnapshots = new QLabel("--");
+
+    countsLayout->addRow("Food Log Entries:", lblFoodLogs);
+    countsLayout->addRow("Custom Foods:", lblCustomFoods);
+    countsLayout->addRow("RDA Overrides:", lblRdaOverrides);
+    countsLayout->addRow("Recipes:", lblRecipes);
+    countsLayout->addRow("Snapshots/Backups:", lblSnapshots);
+
+    // --- Sizes Group ---
+    auto* sizesGroup = new QGroupBox("Database Sizes");
+    auto* sizesLayout = new QFormLayout(sizesGroup);
+
+    lblUsdaSize = new QLabel("--");
+    lblUserSize = new QLabel("--");
+    lblBackupSize = new QLabel("--");
+
+    sizesLayout->addRow("USDA Database:", lblUsdaSize);
+    sizesLayout->addRow("User Database:", lblUserSize);
+    sizesLayout->addRow("Total Backup Size:", lblBackupSize);
+
+    // --- Disclaimer ---
+    auto* disclaimerLabel = new QLabel(
+        "<b>Note:</b> The USDA database contains public domain data and is "
+        "<b>read-only</b>. Only your personal user data (logs, custom foods, "
+        "RDAs, recipes) is backed up.<br><br>"
+        "<i>You are encouraged to periodically upload your snapshots to an "
+        "online drive, archive them in a Git repository, or save them to a "
+        "backup USB stick or external HDD.</i>");
+    disclaimerLabel->setWordWrap(true);
+    disclaimerLabel->setStyleSheet("color: #666; padding: 10px;");
+
+    statsLayout->addWidget(countsGroup);
+    statsLayout->addWidget(sizesGroup);
+    statsLayout->addWidget(disclaimerLabel);
+    statsLayout->addStretch();
+
+    tabWidget->addTab(statsWidget, "Usage Statistics");
+
+    mainLayout->addWidget(tabWidget);
+}
+
+void PreferencesDialog::loadStatistics() {
+    QSqlDatabase userDb = DatabaseManager::instance().userDatabase();
+    QSqlDatabase usdaDb = DatabaseManager::instance().database();
+
+    // --- Counts ---
+    if (userDb.isOpen()) {
+        QSqlQuery q(userDb);
+
+        q.exec("SELECT COUNT(*) FROM log_food");
+        if (q.next()) lblFoodLogs->setText(QString::number(q.value(0).toInt()));
+
+        q.exec("SELECT COUNT(*) FROM custom_food");
+        if (q.next()) lblCustomFoods->setText(QString::number(q.value(0).toInt()));
+
+        q.exec("SELECT COUNT(*) FROM rda");
+        if (q.next()) lblRdaOverrides->setText(QString::number(q.value(0).toInt()));
+    }
+
+    // --- Recipe Count (from filesystem) ---
+    QString recipePath = QDir::homePath() + "/.nutra/recipe";
+    QDir recipeDir(recipePath);
+    int recipeCount = 0;
+    if (recipeDir.exists()) {
+        recipeCount = recipeDir.entryList(QDir::Files).count();
+    }
+    lblRecipes->setText(QString::number(recipeCount));
+
+    // --- Snapshot Count and Size ---
+    QString backupPath = QDir::homePath() + "/.nutra/backups";
+    QDir backupDir(backupPath);
+    int snapshotCount = 0;
+    qint64 totalBackupSize = 0;
+    if (backupDir.exists()) {
+        QFileInfoList files = backupDir.entryInfoList({"*.sql.gz"}, QDir::Files);
+        snapshotCount = files.count();
+        for (const auto& fi : files) {
+            totalBackupSize += fi.size();
+        }
+    }
+    lblSnapshots->setText(QString::number(snapshotCount));
+    lblBackupSize->setText(formatBytes(totalBackupSize));
+
+    // --- Database Sizes ---
+    if (usdaDb.isOpen()) {
+        QFileInfo usdaInfo(usdaDb.databaseName());
+        lblUsdaSize->setText(formatBytes(usdaInfo.size()));
+    }
+
+    if (userDb.isOpen()) {
+        QFileInfo userInfo(userDb.databaseName());
+        lblUserSize->setText(formatBytes(userInfo.size()));
+    }
+}
+
+QString PreferencesDialog::formatBytes(qint64 bytes) const {
+    if (bytes < 1024) return QString("%1 B").arg(bytes);
+    if (bytes < 1024 * 1024) return QString("%1 KB").arg(bytes / 1024.0, 0, 'f', 1);
+    if (bytes < 1024 * 1024 * 1024)
+        return QString("%1 MB").arg(bytes / (1024.0 * 1024.0), 0, 'f', 2);
+    return QString("%1 GB").arg(bytes / (1024.0 * 1024.0 * 1024.0), 0, 'f', 2);
+}