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

namespace HC_APTBS.ViewModels
{
    /// <summary>
    /// ViewModel for a curated bank of auxiliary relay toggles on the Bench page.
    /// Excludes relays driven by dedicated controls
    /// (oil pump, direction, heater / cooler, counter).
    /// </summary>
    public sealed partial class RelayBankViewModel : ObservableObject
    {
        private readonly IBenchService _bench;

        /// <summary>Solenoid power / pump keep-alive relay.</summary>
        [ObservableProperty] private bool _isElectronicOn;

        /// <summary>Panel flasher relay (status lamp blink).</summary>
        [ObservableProperty] private bool _isFlasherOn;

        /// <summary>4-pulse-per-revolution output signal relay.</summary>
        [ObservableProperty] private bool _isPulse4SignalOn;

        /// <param name="benchService">Bench service used to drive the relays.</param>
        public RelayBankViewModel(IBenchService benchService)
        {
            _bench = benchService;
        }

        partial void OnIsElectronicOnChanged(bool value)
            => _bench.SetRelay(RelayNames.Electronic, value);

        partial void OnIsFlasherOnChanged(bool value)
            => _bench.SetRelay(RelayNames.Flasher, value);

        partial void OnIsPulse4SignalOnChanged(bool value)
            => _bench.SetRelay(RelayNames.Pulse4Signal, value);
    }
}