using FluentAssertions;
using StellaOps.Microservice;
using Xunit;

namespace StellaOps.Microservice.Tests;

/// <summary>
/// Tests for MicroserviceYamlConfig and EndpointOverrideConfig classes.
/// </summary>
public class MicroserviceYamlConfigTests
{
    [Fact]
    public void MicroserviceYamlConfig_DefaultsToEmptyEndpoints()
    {
        var config = new MicroserviceYamlConfig();

        config.Endpoints.Should().NotBeNull();
        config.Endpoints.Should().BeEmpty();
    }

    [Fact]
    public void EndpointOverrideConfig_DefaultsToEmptyStrings()
    {
        var config = new EndpointOverrideConfig();

        config.Method.Should().Be(string.Empty);
        config.Path.Should().Be(string.Empty);
        config.DefaultTimeout.Should().BeNull();
        config.SupportsStreaming.Should().BeNull();
        config.RequiringClaims.Should().BeNull();
    }

    [Theory]
    [InlineData("30s", 30)]
    [InlineData("60s", 60)]
    [InlineData("1s", 1)]
    [InlineData("120S", 120)] // Case insensitive
    public void GetDefaultTimeoutAsTimeSpan_ParsesSeconds(string input, int expectedSeconds)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().Be(TimeSpan.FromSeconds(expectedSeconds));
    }

    [Theory]
    [InlineData("5m", 5)]
    [InlineData("10m", 10)]
    [InlineData("1m", 1)]
    [InlineData("30M", 30)] // Case insensitive
    public void GetDefaultTimeoutAsTimeSpan_ParsesMinutes(string input, int expectedMinutes)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().Be(TimeSpan.FromMinutes(expectedMinutes));
    }

    [Theory]
    [InlineData("1h", 1)]
    [InlineData("2h", 2)]
    [InlineData("24h", 24)]
    [InlineData("1H", 1)] // Case insensitive
    public void GetDefaultTimeoutAsTimeSpan_ParsesHours(string input, int expectedHours)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().Be(TimeSpan.FromHours(expectedHours));
    }

    [Theory]
    [InlineData("00:00:30", 30)]
    [InlineData("00:05:00", 300)]
    [InlineData("01:00:00", 3600)]
    [InlineData("00:01:30", 90)]
    public void GetDefaultTimeoutAsTimeSpan_ParsesTimeSpanFormat(string input, int expectedSeconds)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().Be(TimeSpan.FromSeconds(expectedSeconds));
    }

    [Theory]
    [InlineData(null)]
    [InlineData("")]
    [InlineData("  ")]
    public void GetDefaultTimeoutAsTimeSpan_ReturnsNullForEmptyValues(string? input)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().BeNull();
    }

    [Theory]
    [InlineData("invalid")]
    [InlineData("abc")]
    [InlineData("30x")]
    public void GetDefaultTimeoutAsTimeSpan_ReturnsNullForInvalidFormats(string input)
    {
        var config = new EndpointOverrideConfig { DefaultTimeout = input };

        var result = config.GetDefaultTimeoutAsTimeSpan();

        result.Should().BeNull();
    }

    [Fact]
    public void ClaimRequirementConfig_ToClaimRequirement_ConvertsCorrectly()
    {
        var config = new ClaimRequirementConfig
        {
            Type = "role",
            Value = "admin"
        };

        var result = config.ToClaimRequirement();

        result.Type.Should().Be("role");
        result.Value.Should().Be("admin");
    }

    [Fact]
    public void ClaimRequirementConfig_ToClaimRequirement_HandlesNullValue()
    {
        var config = new ClaimRequirementConfig
        {
            Type = "authenticated",
            Value = null
        };

        var result = config.ToClaimRequirement();

        result.Type.Should().Be("authenticated");
        result.Value.Should().BeNull();
    }
}