using System.Reflection;
using Flurl.Http.Configuration;
using Flurl.Http.Content;
using Flurl.Http.Testing;
using Microsoft.Extensions.Logging.Abstractions;
using Newtonsoft.Json;
using Piwigo.Client.Contract;

namespace Piwigo.Client.Tests;

public class ApiTestsBase
{
    private const string TestUri = "http://localhost:8080/ws.php?format=json";
    private const string Username = "admin";
    private const string Password = "admin";
    private const bool UseHttpTest = true;
    protected HttpTest? HttpTest { get; private set; }
    protected IPiwigoContext Context { get; private set; } = null!;

    [SetUp]
    public void SetUp()
    {
        if (UseHttpTest)
        {
            HttpTest = new HttpTest();
        }

        Context = new PiwigoContext(new PiwigoConfiguration(TestUri, Username, Password), new NullLogger<PiwigoContext>());
        OnSetUp();
    }

    protected virtual void OnSetUp()
    {
    }

    [TearDown]
    public void TearDown()
    {
        HttpTest?.Dispose();
    }

    internal void SetOkResult()
    {
        SetJsonResult(@"{stat: ""ok"", result: null}");
    }

    internal async Task SetJsonResultFromFileAsync(string fileName)
    {
        var assemblyLocation = Assembly.GetExecutingAssembly().Location;
        var directory = Path.GetDirectoryName(assemblyLocation) ?? Environment.CurrentDirectory;
        var path = Path.Combine(directory, fileName);

        using var reader = File.OpenText(path);

        var fileContent = await reader.ReadToEndAsync();

        SetJsonResult(fileContent);
    }

    internal void SetJsonResult(string json)
    {
        HttpTest?.RespondWith(json);
    }

    protected void CorrectMethodShouldGetCalled(string methodName)
    {
        CorrectParamShouldGetSent("method", methodName);
    }

    protected void CorrectParamShouldGetSent(string paramName, string methodName)
    {
        HttpTest?.ShouldHaveMadeACall().With(c =>
            c.HttpRequestMessage.Content.As<CapturedMultipartContent>().Parts.OfType<CapturedStringContent>().Select(p => new { p.Headers.ContentDisposition?.Name, p.Content })
                .Where(s => s.Name?.Equals(paramName) ?? false).Any(s => s.Content.Equals(methodName, StringComparison.OrdinalIgnoreCase)));
    }

    internal void SetJsonResult<T>(PiwigoResponse<T> serverResponse)
    {
        var settings = new JsonSerializerSettings
        {
            Formatting = Formatting.Indented,
            NullValueHandling = NullValueHandling.Ignore
        };
        var serializer = new NewtonsoftJsonSerializer(settings);
        var jsonResponse = serializer.Serialize(serverResponse);
        HttpTest?.RespondWith(jsonResponse);
    }
}