using BuildFlow.Application.AiModel.DTOs;
using BuildFlow.Application.AiModel.Handlers;
using BuildFlow.Application.AiModel.Queries;
using BuildFlow.Shared.Domain.Errors;
using BuildFlow.Shared.Domain.Exceptions;
using FluentAssertions;
using Xunit;

namespace BuildFlow.Rag.Tests;

/// <summary>
/// 刷新远端模型目录处理器测试。
/// 该 Handler 直接调用真实网络（https://models.dev/api.json），无前置分支、无注入点。
/// 单测仅验证「可达即返回非空目录 / 不可达即抛 BusinessException(ErrorCode.Business)」两种实际行为，
/// 不假设网络环境，不做断言强耦合。
/// </summary>
public class RefreshAiModelCatalogQueryHandlerTests
{
    [Fact]
    public async Task Handle_EitherReturnsCatalogOrThrowsBusinessOnUnreachable()
    {
        var handler = new RefreshAiModelCatalogQueryHandler();

        try
        {
            var result = await handler.Handle(new RefreshAiModelCatalogQuery(), CancellationToken.None);
            result.Should().NotBeNull();
            result.Providers.Should().NotBeNull();
        }
        catch (BusinessException ex)
        {
            ex.Code.Should().Be(ErrorCode.Business);
        }
    }
}