using MediatR;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using MinAttest.Application;
using MinAttest.Application.Abstractions;
using MinAttest.Application.Common.Behaviors;
using MinAttest.Infrastructure.Data;
using Xunit;

namespace MinAttest.Tests.Integration;

public class IntegrationTestFixture : IAsyncLifetime
{
    public IServiceProvider Services { get; private set; } = default!;
    public string ConnectionString { get; private set; } = string.Empty;

    public async Task InitializeAsync()
    {
        await Server.TestDb.StartAsync();
        ConnectionString = Server.TestDb.ConnectionString;

        var services = new ServiceCollection();

        services.AddDbContext<AppDbContext>(opt => opt.UseSqlServer(ConnectionString));
        services.AddScoped<IAppDbContext>(sp => sp.GetRequiredService<AppDbContext>());

        services.AddMediatR(cfg => cfg.RegisterServicesFromAssembly(typeof(ApplicationAssembly).Assembly));
        services.AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidationBehavior<,>));

        Services = services.BuildServiceProvider();

        // Migrate and seed
        using var scope = Services.CreateScope();
        var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
        await db.Database.MigrateAsync();

        await SeedAsync(db);
    }

    public async Task DisposeAsync()
    {
        await Server.TestDb.StopAsync();
    }

    private static async Task SeedAsync(AppDbContext db)
    {
        if (!db.Persons.Any())
        {
            var personId = Guid.NewGuid();
            db.Persons.Add(new MinAttest.Domain.Entities.Person
            {
                Id = personId,
                NationalIdHash = "person-hash-123",
                Email = "person@example.com"
            });

            var employerId = Guid.NewGuid();
            db.Employers.Add(new MinAttest.Domain.Entities.Employer
            {
                Id = employerId,
                OrgNumber = "999999999",
                Name = "TestBedrift AS"
            });
            await db.SaveChangesAsync();
        }
    }
}