using TermRemoteCtl.Agent.Configuration;

namespace TermRemoteCtl.Agent.Tests.Configuration;

public class AgentOptionsValidatorTests
{
    [Fact]
    public void Validate_Fails_When_DataRoot_Is_Missing()
    {
        var options = new AgentOptions
        {
            DataRoot = "",
            BindAddress = "0.0.0.0",
            HttpsPort = 9443,
            HttpPort = 5067
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, failure => failure.Contains("DataRoot"));
    }

    [Theory]
    [InlineData("")]
    [InlineData("not-an-address")]
    public void Validate_Fails_When_BindAddress_Is_Invalid(string bindAddress)
    {
        var options = new AgentOptions
        {
            DataRoot = "C:\\ProgramData\\TermRemoteCtl",
            BindAddress = bindAddress,
            HttpsPort = 9443,
            HttpPort = 5067,
            WebSocketFrameFlushMilliseconds = 33,
            RingBufferLineLimit = 4000
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, failure => failure.Contains("BindAddress"));
    }

    [Theory]
    [InlineData(-1)]
    [InlineData(65536)]
    public void Validate_Fails_When_HttpPort_Is_Invalid(int httpPort)
    {
        var options = new AgentOptions
        {
            DataRoot = "C:\\ProgramData\\TermRemoteCtl",
            BindAddress = "0.0.0.0",
            HttpsPort = 9443,
            HttpPort = httpPort,
            WebSocketFrameFlushMilliseconds = 33,
            RingBufferLineLimit = 4000
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, failure => failure.Contains("HttpPort"));
    }

    [Fact]
    public void Validate_Succeeds_When_HttpsPort_Is_Disabled_And_HttpPort_Is_Configured()
    {
        var options = new AgentOptions
        {
            DataRoot = "C:\\ProgramData\\TermRemoteCtl",
            BindAddress = "localhost",
            HttpsPort = 0,
            HttpPort = 5067,
            WebSocketFrameFlushMilliseconds = 33,
            RingBufferLineLimit = 4000
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.False(result.Failed);
    }

    [Fact]
    public void Validate_Fails_When_Http_And_Https_Are_Both_Disabled()
    {
        var options = new AgentOptions
        {
            DataRoot = "C:\\ProgramData\\TermRemoteCtl",
            BindAddress = "0.0.0.0",
            HttpsPort = 0,
            HttpPort = 0,
            WebSocketFrameFlushMilliseconds = 33,
            RingBufferLineLimit = 4000
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, failure => failure.Contains("HttpsPort") || failure.Contains("HttpPort"));
    }

    [Fact]
    public void Validate_Fails_When_Http_And_Https_Share_The_Same_Port()
    {
        var options = new AgentOptions
        {
            DataRoot = "C:\\ProgramData\\TermRemoteCtl",
            BindAddress = "localhost",
            HttpsPort = 5067,
            HttpPort = 5067,
            WebSocketFrameFlushMilliseconds = 33,
            RingBufferLineLimit = 4000
        };

        var validator = new AgentOptionsValidator();

        var result = validator.Validate("Agent", options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, failure => failure.Contains("must not be the same"));
    }
}