using EntKube.Clusters.Domain;
using EntKube.Clusters.Features.AdoptCluster.Components.Traefik;
using FluentAssertions;

namespace EntKube.Clusters.Tests.Features;

/// <summary>
/// Tests for the Traefik installer's Helm values generation. Verifies that
/// the correct cloud-provider annotations are applied when internal LB mode
/// is enabled, and that no annotations leak through when disabled.
/// </summary>
public class TraefikInstallerTests
{
    [Fact]
    public void GetTraefikValues_InternalLbWithCleura_IncludesOpenStackAnnotation()
    {
        // When Traefik is configured as an internal LB on Cleura, it should use
        // the OpenStack annotation instead of dumping all provider annotations.

        Dictionary<string, string> parameters = new()
        {
            ["internalLoadBalancer"] = "true"
        };

        string values = TraefikInstaller.GetTraefikValues(parameters, CloudProvider.Cleura);

        values.Should().Contain("openstack-internal-load-balancer");
        values.Should().NotContain("azure-load-balancer-internal");
    }

    [Fact]
    public void GetTraefikValues_InternalLbWithAzure_IncludesAzureAnnotation()
    {
        Dictionary<string, string> parameters = new()
        {
            ["internalLoadBalancer"] = "true"
        };

        string values = TraefikInstaller.GetTraefikValues(parameters, CloudProvider.Azure);

        values.Should().Contain("azure-load-balancer-internal");
        values.Should().NotContain("openstack-internal-load-balancer");
    }

    [Fact]
    public void GetTraefikValues_NoInternalLb_HasNoAnnotations()
    {
        // When internalLoadBalancer is not set, no annotations should be emitted
        // regardless of the cloud provider.

        Dictionary<string, string> parameters = new();

        string values = TraefikInstaller.GetTraefikValues(parameters, CloudProvider.Cleura);

        values.Should().NotContain("annotations:");
    }

    [Fact]
    public void GetTraefikValues_CustomReplicas_IncludesReplicaCount()
    {
        // When a custom replica count is specified, the generated values
        // should reflect that in the deployment section.

        Dictionary<string, string> parameters = new()
        {
            ["replicas"] = "5"
        };

        string values = TraefikInstaller.GetTraefikValues(parameters, CloudProvider.None);

        values.Should().Contain("replicas: 5");
    }

    [Fact]
    public void GetTraefikValues_DashboardEnabled_IncludesDashboardConfig()
    {
        // When the dashboard is enabled, the generated values should include
        // dashboard configuration.

        Dictionary<string, string> parameters = new()
        {
            ["dashboardEnabled"] = "true"
        };

        string values = TraefikInstaller.GetTraefikValues(parameters, CloudProvider.None);

        values.Should().Contain("dashboard");
    }
}