using adas_core.Domain.Enums;
using adas_core.Domain.Models;
using adas_core.Domain.Models.AppSettings;
using adas_core.Domain.Models.MongoModels;
using adas_core.Infrastructure.Migrations.MongoMigrations;
using adas_core.Infrastructure.Repositories;
using Microsoft.Extensions.Options;
using MongoDB.Bson;
using MongoDB.Driver;
using MongoMigrations.Core;
using Options = Microsoft.Extensions.Options.Options;

namespace adas_core.Test.Repositories;

[TestFixture]
[Category("Integration")]
public class MongodbMigrationTest
{
    private PatientRepository _repository;
    private IOptions<ApiSettings> _optionsApiSettings;

    private readonly ApiSettings _apiSettings = new()
    {
        ArchivePatientsDiagnosis = "patients"
    };

    private static readonly DateTime Now = DateTime.Now;
    private static readonly ObjectId PatientId = ObjectId.GenerateNewId();

    [OneTimeSetUp]
    public async Task Init()
    {
        _optionsApiSettings = Options.Create(_apiSettings);

        await IntegrationDb.Database.DropCollectionAsync("patients");
        await IntegrationDb.Database.CreateCollectionAsync("patients");

        _repository = new PatientRepository(_optionsApiSettings, IntegrationDb.Database);

        var patients = new List<Patient>
        {
            new ()
            {
                Id = PatientId,
                PatientId = "patientId1",
                PointOfCareId = ObjectId.GenerateNewId(),
                Bed = "bed1",
                PatientNumber = "patientNumber1",
                Person = new Person
                {
                    FirstName = "firstName1",
                    LastName = "lastName1",
                    BirthDate = new DateTime(),
                    Gender = PatientEnum.Gender.Male
                },
                DisTime = Now
            },
            new ()
            {
                PatientId = "patientId2",
                PointOfCareId = ObjectId.GenerateNewId(),
                Bed = "bed2",
                PatientNumber = "patientNumber2",
                Person = new Person
                {
                    FirstName = "firstName2",
                    LastName = "lastName2",
                    BirthDate = new DateTime(),
                    Gender = PatientEnum.Gender.Male
                }
            },
            new ()
            {
                PatientId = "patientId3",
                PointOfCareId = ObjectId.GenerateNewId(),
                Bed = "bed3",
                PatientNumber = "patientNumber3",
                Person = new Person
                {
                    FirstName = "firstName3",
                    LastName = "lastName3",
                    BirthDate = new DateTime(),
                    Gender = PatientEnum.Gender.Male
                }
            }
        };

        await _repository.InsertManyAsync(patients);
        Assert.That(await _repository.Collection.CountDocumentsAsync(_ => true), Is.EqualTo(3));
    }

    [OneTimeTearDown]
    public void Teardown()
    {
        IntegrationDb.Database.DropCollection("patients");
        IntegrationDb.Database.DropCollection("__migrations");
    }

    [Test]
    [Order(1)]
    public void IsDatabaseOutdated_ShouldReturnTrue()
    {
        var runner = CreateRunner();

        var isUpToDate = runner.IsDatabaseUpToDate(ReadPreference.Primary);

        Assert.That(isUpToDate, Is.False);
    }


    [Test]
    [Order(2)]
    public void AfterUpdateToLatest_MigrationShouldBeApplied()
    {
        var runner = CreateRunner();

        runner.UpdateToLatest();
        var ids = GetAppliedMigrationIds();
        Assert.That(ids, Does.Contain(10)); // 0.1.0
    }

    [Test]
    public void RunningMigrationsTwice_ShouldNotFail()
    {
        var runner = CreateRunner();

        runner.UpdateToLatest();
        runner.UpdateToLatest(); // segunda ejecución

        var ids = GetAppliedMigrationIds();
        Assert.That(ids, Does.Contain(10));
    }

    // Helpers
    private MigrationRunner CreateRunner()
    {
        var locator = new MigrationLocator();
        locator.LookForMigrationsInAssembly(typeof(U_0_1_0_UpdateDataPatien).Assembly);
        return new MigrationRunner(
            IntegrationDb.Database,
            collectionName: "__migrations",
            migrationLocator: locator
        );
    }

    private List<int> GetAppliedMigrationIds()
    {
        var collection = IntegrationDb.Database.GetCollection<BsonDocument>("__migrations");

        return collection
            .Find(FilterDefinition<BsonDocument>.Empty)
            .ToList()
            .Select(d => d["_id"].AsInt32)
            .ToList();
    }
}