using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using SurveillanceClient.Core.Configuration;
using SurveillanceClient.Core.Services;

namespace SurveillanceClient.Core;

/// <summary>
/// DI registration helpers for the SurveillanceClient Core services.
/// </summary>
public static class ServiceCollectionExtensions
{
    /// <summary>
    /// Registers <see cref="IRsNetClient"/> and binds its options from
    /// configuration. The client is a singleton because <c>RSNet.dll</c>
    /// holds process-wide global state.
    /// </summary>
    public static IServiceCollection AddSurveillanceClientCore(this IServiceCollection services)
    {
        services.AddOptions<RsNetOptions>().BindConfiguration(RsNetOptions.SectionName);
        services.AddOptions<DeviceOptions>().BindConfiguration(DeviceOptions.SectionName);

        services.TryAddSingleton<IRsNetClient, RsNetClient>();

        return services;
    }
}