using CommunityToolkit.Mvvm.ComponentModel;
using HC_APTBS.Services;

namespace HC_APTBS.ViewModels.Pages
{
    /// <summary>
    /// ViewModel for the Dashboard navigation page.
    ///
    /// <para>Thin façade — holds a <see cref="Root"/> reference so the Dashboard XAML
    /// can bind to MainViewModel-owned live readings, connection state, test summary,
    /// alarms, and commands via <c>{Binding Root.X}</c>.</para>
    /// </summary>
    public sealed class DashboardPageViewModel : ObservableObject
    {
        /// <summary>Root ViewModel — owns services, live readings, and global commands.</summary>
        public MainViewModel Root { get; }

        /// <summary>Active alarm aggregator bound to the Dashboard alarm list.</summary>
        public DashboardAlarmsViewModel Alarms => Root.DashboardAlarms;

        /// <summary>Devices column ViewModel — CAN, K-Line, and Bench device tiles.</summary>
        public DashboardDevicesViewModel Devices { get; }

        public DashboardPageViewModel(MainViewModel root, ICanService can, IKwpService kwp)
        {
            Root    = root;
            Devices = new DashboardDevicesViewModel(root, can, kwp);
        }
    }
}