using ZB.MOM.WW.Auth.Ldap.Internal;

namespace ZB.MOM.WW.Auth.Ldap.Tests;

public class LdapEndpointParserTests
{
    [Theory]
    [InlineData("dc2.example.com", 636, "dc2.example.com", 636)]      // bare host -> default port
    [InlineData("dc2.example.com:3894", 636, "dc2.example.com", 3894)] // explicit port wins
    [InlineData("  dc2.example.com : 3894  ", 636, "dc2.example.com", 3894)] // whitespace tolerated
    public void TryParse_ValidEntry_Succeeds(string entry, int defaultPort, string host, int port)
    {
        Assert.True(LdapEndpointParser.TryParse(entry, defaultPort, out var ep, out _));
        Assert.Equal(host, ep.Host);
        Assert.Equal(port, ep.Port);
    }

    [Theory]
    [InlineData("")]              // empty
    [InlineData("   ")]           // whitespace
    [InlineData(":636")]          // empty host
    [InlineData("dc2:0")]         // port below range
    [InlineData("dc2:65536")]     // port above range
    [InlineData("dc2:abc")]       // non-numeric port
    [InlineData("2001:db8::1:636")] // IPv6 literal (unsupported, >1 colon)
    public void TryParse_InvalidEntry_Fails(string entry)
    {
        Assert.False(LdapEndpointParser.TryParse(entry, 636, out _, out var error));
        Assert.NotEmpty(error);
    }

    [Fact]
    public void Endpoint_ToString_IsHostColonPort() =>
        Assert.Equal("dc2:3894", new LdapEndpoint("dc2", 3894).ToString());
}