using FluentAssertions;
using StellaOps.TestKit.Evidence;
using Xunit;

namespace StellaOps.TestKit.Tests;

public sealed partial class EvidenceChainTests
{
    [Fact]
    public void RequirementLinked_PassesWithValidRequirementId()
    {
        var act = () => EvidenceChainAssert.RequirementLinked("REQ-TEST-001");
        act.Should().NotThrow();
    }

    [Fact]
    public void RequirementLinked_ThrowsWithEmptyRequirementId()
    {
        var act = () => EvidenceChainAssert.RequirementLinked("");
        act.Should().Throw<EvidenceTraceabilityException>()
            .WithMessage("*cannot be empty*");
    }

    [Fact]
    public void RequirementLinked_ThrowsWithWhitespaceRequirementId()
    {
        var act = () => EvidenceChainAssert.RequirementLinked("   ");
        act.Should().Throw<EvidenceTraceabilityException>();
    }

    [Fact]
    public void TraceabilityComplete_PassesWithAllComponents()
    {
        var act = () => EvidenceChainAssert.TraceabilityComplete(
            "REQ-001",
            "MyTests.TestMethod",
            "sha256:abc123");
        act.Should().NotThrow();
    }

    [Fact]
    public void TraceabilityComplete_ThrowsWithMissingRequirement()
    {
        var act = () => EvidenceChainAssert.TraceabilityComplete(
            "",
            "MyTests.TestMethod",
            "sha256:abc123");
        act.Should().Throw<EvidenceTraceabilityException>()
            .WithMessage("*Requirement ID is missing*");
    }

    [Fact]
    public void TraceabilityComplete_ThrowsWithMissingTestId()
    {
        var act = () => EvidenceChainAssert.TraceabilityComplete(
            "REQ-001",
            null!,
            "sha256:abc123");
        act.Should().Throw<EvidenceTraceabilityException>()
            .WithMessage("*Test ID is missing*");
    }

    [Fact]
    public void TraceabilityComplete_ThrowsWithMissingArtifactId()
    {
        var act = () => EvidenceChainAssert.TraceabilityComplete(
            "REQ-001",
            "MyTests.TestMethod",
            "   ");
        act.Should().Throw<EvidenceTraceabilityException>()
            .WithMessage("*Artifact ID is missing*");
    }

    [Fact]
    public void TraceabilityComplete_ReportsAllMissingComponents()
    {
        var act = () => EvidenceChainAssert.TraceabilityComplete("", "", "");
        act.Should().Throw<EvidenceTraceabilityException>()
            .WithMessage("*Requirement ID is missing*")
            .WithMessage("*Test ID is missing*")
            .WithMessage("*Artifact ID is missing*");
    }
}