using FluentAssertions;
using LCU.API.Internal.DocumentLib.Containers;
using LCU.API.Internal.DocumentLib.Repositories;
using LCU.API.Internal.DocumentLibTest.TestDataFactories;
using LCU.API.Internal.DocumentLibTest.TestDoubles;
using LCU.Library.Internal.DocumentModels.Requests;
using MongoDB.Driver;

namespace LCU.API.Internal.DocumentLibTest.Repositories;

public class DocumentAuditRepositoryTest : IDisposable
{
    private readonly IDocumentAuditRepository _repository;

    private readonly FakeMongoCollectionFactory _collectionFactory = new();

    public DocumentAuditRepositoryTest()
    {
        _repository = new DocumentAuditRepository(_collectionFactory);
    }

    [Test]
    public async Task GetDocumentAudits_FieldAuditRecordsExistForId_ReturnsMatchedLogsById()
    {
        var audits = EnumerableDataSeriesFactory.CreateSeries(() => FieldAuditFactory(), 5).ToArray();
        await _collectionFactory.GetCollection<DocumentAudit>().InsertManyAsync(audits);
        var expectedAudits = new[]{ audits.First(), audits.Last() };
        var documentIds = expectedAudits.Select(a => a.DocumentId).ToArray();

        var retrievedAudits = await _repository.GetDocumentAudits(documentIds);

        retrievedAudits.Should().HaveSameCount(documentIds);
        expectedAudits.Should().BeEquivalentTo(retrievedAudits, a => a.Using(DateTimeComparison.Truncated));
    }

    [Test]
    public async Task GetDocumentAudits_ActionAuditRecordsExistForId_ReturnsMatchedLogsById()
    {
        var audits = EnumerableDataSeriesFactory.CreateSeries(() => ActionAuditFactory(), 5).ToArray();
        await _collectionFactory.GetCollection<DocumentAudit>().InsertManyAsync(audits);
        var expectedAudits = new[] { audits.First(), audits.Last() };
        var documentIds = expectedAudits.Select(a => a.DocumentId).ToArray();

        var retrievedAudits = await _repository.GetDocumentAudits(documentIds);

        retrievedAudits.Should().HaveSameCount(documentIds);
        expectedAudits.Should().BeEquivalentTo(retrievedAudits, a => a.Using(DateTimeComparison.Truncated));
    }

    [Test]
    public async Task SaveDocumentAudits_FieldAuditsSubmitted_SavesAll()
    {
        var audits = EnumerableDataSeriesFactory.CreateSeries(() => FieldAuditFactory(), 5).ToArray();

        await _repository.SaveDocumentAudits(audits);

        var savedAudits = await (
            await _collectionFactory
                .GetCollection<DocumentAudit>()
                .FindAsync(Builders<DocumentAudit>.Filter.In
                (
                    nameof(DocumentAudit.DocumentId),
                    audits.Select(a => a.DocumentId))
                )
        ).ToListAsync();
        audits.Should().BeEquivalentTo(savedAudits, a => a.Using(DateTimeComparison.Truncated));
    }

    [Test]
    public async Task SaveDocumentAudits_ActionAuditsSubmitted_SavesAll()
    {
        var audits = EnumerableDataSeriesFactory.CreateSeries(() => ActionAuditFactory(), 5).ToArray();

        await _repository.SaveDocumentAudits(audits);

        var savedAudits = await (
            await _collectionFactory
                .GetCollection<DocumentAudit>()
                .FindAsync(Builders<DocumentAudit>.Filter.In(nameof(DocumentAudit.DocumentId),
                    audits.Select(a => a.DocumentId)))
        ).ToListAsync();
        audits.Should().BeEquivalentTo(savedAudits, a => a.Using(DateTimeComparison.Truncated));
    }

    [Test]
    public async Task SaveDocumentAudits_MultipleTypesOfAudits_CanRetrieveAll()
    {
        var documentId = Guid.NewGuid();
        var fieldAudits = EnumerableDataSeriesFactory.CreateSeries<DocumentAudit>(() => FieldAuditFactory(documentId), 5);
        var actionAudits = EnumerableDataSeriesFactory.CreateSeries<DocumentAudit>(() => ActionAuditFactory(documentId), 5);
        var audits = fieldAudits.Concat(actionAudits).ToArray();

        await _repository.SaveDocumentAudits(audits);
        var savedAudits = await _repository.GetDocumentAudits(documentId);

        audits.Should().BeEquivalentTo(savedAudits, a => a.Using(DateTimeComparison.Truncated));
    }

    private static DocumentFieldAudit FieldAuditFactory(Guid? documentId = null) => new
    (
        documentId ?? Guid.NewGuid(),
        Guid.NewGuid().ToString(),
        DateTime.UtcNow,
        Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString()
    );

    private static DocumentActionAudit ActionAuditFactory(Guid? documentId = null) => new
    (
        documentId ?? Guid.NewGuid(),
        Guid.NewGuid().ToString(),
        DateTime.UtcNow,
        Guid.NewGuid().ToString(),
        (DocumentAction)DateTime.Now.Millisecond,
        Guid.NewGuid().ToString()
    );

    public void Dispose()
    {
        _collectionFactory.Dispose();
    }
}