using Microsoft.Extensions.DependencyInjection;

namespace OpenIddict.Core;

/// <summary>
/// Exposes a method allowing to resolve an application store.
/// </summary>
public class OpenIddictApplicationStoreResolver : IOpenIddictApplicationStoreResolver
{
    private readonly IServiceProvider _provider;

    public OpenIddictApplicationStoreResolver(IServiceProvider provider)
        => _provider = provider ?? throw new ArgumentNullException(nameof(provider));

    /// <summary>
    /// Returns an application store compatible with the specified application type or throws an
    /// <see cref="InvalidOperationException"/> if no store can be built using the specified type.
    /// </summary>
    /// <typeparam name="TApplication">The type of the Application entity.</typeparam>
    /// <returns>An <see cref="IOpenIddictApplicationStore{TApplication}"/>.</returns>
    public IOpenIddictApplicationStore<TApplication> Get<TApplication>() where TApplication : class
        => _provider.GetService<IOpenIddictApplicationStore<TApplication>>() ??
            throw new InvalidOperationException(SR.GetResourceString(SR.ID0228));
}