using System.Collections.Immutable;
using MongoDB.Bson;
using StellaOps.Feedser.Source.Common;
using StellaOps.Feedser.Models;
using StellaOps.Feedser.Source.Ru.Bdu.Internal;
using StellaOps.Feedser.Storage.Mongo.Documents;
using Xunit;

namespace StellaOps.Feedser.Source.Ru.Bdu.Tests;

public sealed class RuBduMapperTests
{
    [Fact]
    public void Map_ConstructsCanonicalAdvisory()
    {
        var dto = new RuBduVulnerabilityDto(
            Identifier: "BDU:2025-12345",
            Name: "Уязвимость тестового продукта",
            Description: "Описание",
            Solution: "Обновить",
            IdentifyDate: new DateTimeOffset(2025, 10, 10, 0, 0, 0, TimeSpan.Zero),
            SeverityText: "Высокий",
            CvssVector: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            CvssScore: 7.5,
            Cvss3Vector: null,
            Cvss3Score: null,
            ExploitStatus: "Существует",
            IncidentCount: 1,
            FixStatus: "Устранена",
            VulStatus: "Подтверждена",
            VulClass: null,
            VulState: null,
            Other: null,
            Software: new[]
            {
                new RuBduSoftwareDto("ООО Вендор", "Продукт", "1.2.3", "Windows", ImmutableArray<string>.Empty)
            }.ToImmutableArray(),
            Environment: ImmutableArray<RuBduEnvironmentDto>.Empty,
            Cwes: new[] { new RuBduCweDto("CWE-79", "XSS") }.ToImmutableArray());

        var document = new DocumentRecord(
            Guid.NewGuid(),
            RuBduConnectorPlugin.SourceName,
            "https://bdu.fstec.ru/vul/2025-12345",
            DateTimeOffset.UtcNow,
            "abc",
            DocumentStatuses.PendingMap,
            "application/json",
            null,
            null,
            null,
            dto.IdentifyDate,
            ObjectId.GenerateNewId());

        var advisory = RuBduMapper.Map(dto, document, dto.IdentifyDate!.Value);

        Assert.Equal("BDU:2025-12345", advisory.AdvisoryKey);
        Assert.Contains("BDU:2025-12345", advisory.Aliases);
        Assert.Equal("high", advisory.Severity);
        Assert.True(advisory.ExploitKnown);
        Assert.Single(advisory.AffectedPackages);
        Assert.Single(advisory.CvssMetrics);
        Assert.Contains(advisory.References, reference => reference.Url.Contains("bdu.fstec.ru", StringComparison.OrdinalIgnoreCase));
    }
}