namespace MxGateway.Client.Tests;

public sealed class MxGatewayClientOptionsTests
{
    /// <summary>Verifies that options with valid endpoint and API key pass validation.</summary>
    [Fact]
    public void Validate_WithAbsoluteEndpointAndApiKey_Succeeds()
    {
        var options = new MxGatewayClientOptions
        {
            Endpoint = new Uri("http://localhost:5000"),
            ApiKey = "test-api-key",
        };

        options.Validate();
    }

    /// <summary>Verifies that empty API key causes validation to fail.</summary>
    [Fact]
    public void Validate_WithEmptyApiKey_Throws()
    {
        var options = new MxGatewayClientOptions
        {
            Endpoint = new Uri("http://localhost:5000"),
            ApiKey = "",
        };

        Assert.Throws<ArgumentException>(options.Validate);
    }

    /// <summary>Verifies that invalid retry options cause validation to fail.</summary>
    [Fact]
    public void Validate_WithInvalidRetryOptions_Throws()
    {
        var options = new MxGatewayClientOptions
        {
            Endpoint = new Uri("http://localhost:5000"),
            ApiKey = "test-api-key",
            Retry = new MxGatewayClientRetryOptions { MaxAttempts = 0 },
        };

        Assert.Throws<ArgumentOutOfRangeException>(options.Validate);
    }
}