using System.Net;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
using Azaion.E2E.Helpers;
using FluentAssertions;
using Xunit;

namespace Azaion.E2E.Tests;

[Collection("E2E")]
public sealed class ResourceTests
{
    private static readonly JsonSerializerOptions ResponseJsonOptions = new()
    {
        PropertyNameCaseInsensitive = true
    };

    private sealed record ErrorResponse(int ErrorCode, string Message);

    private readonly TestFixture _fixture;

    public ResourceTests(TestFixture fixture) => _fixture = fixture;

    [Fact]
    public async Task File_upload_succeeds()
    {
        // Arrange
        var folder = $"restest-{Guid.NewGuid():N}";
        var fileBytes = Encoding.UTF8.GetBytes(new string('a', 100));

        try
        {
            using var admin = _fixture.CreateAuthenticatedClient(_fixture.AdminToken);

            // Act
            using var response = await admin.UploadFileAsync($"/resources/{folder}", fileBytes, "upload.txt");

            // Assert
            response.StatusCode.Should().Be(HttpStatusCode.OK);
        }
        finally
        {
            using var adminCleanup = _fixture.CreateAuthenticatedClient(_fixture.AdminToken);
            using var clear = await adminCleanup.PostAsync($"/resources/clear/{folder}", new { });
            clear.EnsureSuccessStatusCode();
        }
    }

    [Fact]
    public async Task Upload_without_file_is_rejected_with_400_or_409_and_60_on_conflict()
    {
        // Arrange
        var folder = $"restest-{Guid.NewGuid():N}";
        using var content = new MultipartFormDataContent();

        // Act
        using var response = await _fixture.HttpClient.PostAsync($"/resources/{folder}", content);

        // Assert
        response.StatusCode.Should().BeOneOf(HttpStatusCode.BadRequest, HttpStatusCode.Conflict);
        if (response.StatusCode == HttpStatusCode.Conflict)
        {
            var err = await response.Content.ReadFromJsonAsync<ErrorResponse>(ResponseJsonOptions);
            err.Should().NotBeNull();
            err!.ErrorCode.Should().Be(60);
        }
    }
}