using TarninaHub.Application.Abstractions;
using TarninaHub.Application.Dtos;
using TarninaHub.Application.Matchmaking;
using TarninaHub.Infrastructure.Assist;
using TarninaHub.Infrastructure.Llm;
using TarninaHub.Tests.Stubs;

namespace TarninaHub.Tests.Infrastructure;

public class MiddlemanAssistantTests
{
    private static InnovationResponse SampleInnovation() => new(
        "innovation:klub",
        "Klub sąsiedzki",
        "Miejsce spotkań i edukacji cyfrowej",
        "Opis",
        "social_challenge:seniorzy",
        "pilot",
        "5000 PLN",
        null,
        [],
        true,
        DateTimeOffset.UtcNow);

    private static MiddlemanAssistant CreateAssistant(InnovationResponse? innovation) =>
        new(
            new StubInnovationLookup(innovation),
            new NullLlmProvider(),
            new InMemoryLlmRequestLimiter(30));

    [Fact]
    public async Task AdaptAsync_ReturnsNullWhenInnovationMissing()
    {
        var assistant = CreateAssistant(null);

        var result = await assistant.AdaptAsync(
            new MiddlemanRequest("innovation:missing", null, null),
            CancellationToken.None);

        Assert.Null(result);
    }

    [Fact]
    public async Task AdaptAsync_BuildsOfflineServiceForm()
    {
        var assistant = CreateAssistant(SampleInnovation());

        var result = await assistant.AdaptAsync(
            new MiddlemanRequest(
                "innovation:klub",
                new InstitutionProfile("gmina", "usługi opiekuńcze", ["seniorzy"]),
                "opieka dzienna"),
            CancellationToken.None);

        Assert.NotNull(result);
        Assert.False(result!.FromLlm);
        Assert.Contains("Klub sąsiedzki", result.ServiceForm);
        Assert.Contains("seniorzy", result.ServiceForm);
        Assert.NotEmpty(result.RequiredResources);
        Assert.NotEmpty(result.Rationale);
    }
}