using Hutopy.Infrastructure.BlobStorage;
using Hutopy.Infrastructure.Data;
using Hutopy.Infrastructure.Identity;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace Hutopy.Infrastructure;

public static class DependencyInjection
{
    public static IServiceCollection AddInfrastructureServices(this IServiceCollection services,
        IConfiguration configuration)
    {
        // Replace password in the connection string with env var in local environment. 
        // Prod will use the connectionString stored in the vault with password in it directly.
        var connectionString = configuration.GetConnectionString("MssqlConnection")
                               ?? throw new InvalidOperationException("Missing ConnectionStrings:MssqlConnection");

        services.AddDbContext<ApplicationDbContext>((sp, options) =>
        {
            options.AddInterceptors(sp.GetServices<ISaveChangesInterceptor>());
            options.UseSqlServer(connectionString);
        });

        services.AddScoped<ApplicationDbContextInitializer>();

        services.AddAuthentication()
            .AddBearerToken(IdentityConstants.BearerScheme);

        services.AddAuthorizationBuilder();

        services
            .AddIdentityCore<ApplicationUser>()
            .AddUserManager<ApplicationUserManager>()
            .AddRoles<ApplicationRole>()
            .AddEntityFrameworkStores<ApplicationDbContext>()
            .AddApiEndpoints()
            .AddSignInManager<SignInManager<ApplicationUser>>()
            .AddDefaultTokenProviders();

        // Singleton services
        services.AddSingleton(TimeProvider.System);
        services.AddSingleton<AzureBlobStorage>();

        // Scoped services
        services.AddScoped<IdentityService>();
        
        return services;
    }
}