using System.Diagnostics.CodeAnalysis;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Solicitors.Core;
using Solicitors.Core.Data;
using Solicitors.Data.RepositorySetup;
using Solicitors.Data.RepositorySetup.InMemory;
using Solicitors.Data.RepositorySetup.Sqlite;

namespace Solicitors.Data;

[SuppressMessage("ReSharper", "InconsistentNaming")]
public static class DIExtensions
{
    public static IServiceCollection AddData(this IServiceCollection services, IRepoSetupOptions options)
    {
        return services
            .AddScoped<SolicitorsRepository>()
            .AddScoped<ISolicitorRepository>(sp => sp.GetRequiredService<SolicitorsRepository>())
            .AddScoped<IReadOnlySolicitorRepository>(sp => sp.GetRequiredService<ISolicitorRepository>())
            .AddScoped<IReadOnlyCitiesRepository>(sp => sp.GetRequiredService<SolicitorsRepository>())
            .AddScoped<IRatingsProviderRepository>(sp => sp.GetRequiredService<SolicitorsRepository>())
            .AddSingleton(GetSetupService(options));
    }
    
    private static IRepoSetupService GetSetupService(IRepoSetupOptions options)
    {
        if (options is InMemoryDbSetupOptions inMemOptions) 
            return new InMemorySetupService(inMemOptions);

        if (options is SqliteDbSetupOptions sqliteOptions)
            return new SqliteSetupService(sqliteOptions);

        throw new ArgumentException("Options type not supported", nameof(options));
    }
}