using System.Collections.Immutable;
using Akka.Actor;
using Akka.Cluster.Tools.Client;
using Akka.Configuration;
using Akka.TestKit.Xunit2;
using Xunit;
using ZB.MOM.WW.ScadaBridge.Communication.Actors;

namespace ZB.MOM.WW.ScadaBridge.Communication.Tests;

public class DefaultSiteClientFactoryTests : TestKit
{
    private static readonly Config TestConfig = ConfigurationFactory.ParseString(@"
        akka.actor.provider = cluster
        akka.remote.dot-netty.tcp.port = 0
        akka.remote.dot-netty.tcp.hostname = localhost")
        .WithFallback(ClusterClientReceptionist.DefaultConfig());

    public DefaultSiteClientFactoryTests() : base(TestConfig) { }

    private static ImmutableHashSet<ActorPath> Contacts() =>
        ImmutableHashSet.Create(ActorPath.Parse("akka.tcp://other@localhost:2552/system/receptionist"));

    [Fact]
    public void Create_TwiceForSameSite_DoesNotCollide()
    {
        var factory = new DefaultSiteClientFactory();
        var first = factory.Create(Sys, "site-a", Contacts());
        var second = factory.Create(Sys, "site-a", Contacts()); // pre-fix: InvalidActorNameException
        Assert.NotEqual(first.Path, second.Path);
    }

    [Theory]
    [InlineData("site/with/slashes")]
    [InlineData("site with spaces")]
    [InlineData("näme#!")]
    public void Create_WithUnsafeSiteId_SanitizesAndSucceeds(string siteId)
    {
        var factory = new DefaultSiteClientFactory();
        var client = factory.Create(Sys, siteId, Contacts()); // pre-fix: InvalidActorNameException
        Assert.NotNull(client);
    }

    [Theory]
    [InlineData("plant-01", "plant-01")]
    [InlineData("a/b c", "a_b_c")]
    [InlineData("", "site")]
    public void SanitizeForActorName_ProducesValidPathElement(string input, string expected)
    {
        Assert.Equal(expected, DefaultSiteClientFactory.SanitizeForActorName(input));
        Assert.True(ActorPath.IsValidPathElement(
            DefaultSiteClientFactory.SanitizeForActorName(input)));
    }
}