using System.Security.Claims;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using NSubstitute;
using UniVerse.Api.Controllers;
using UniVerse.Application.DTOs.Users;
using UniVerse.Application.Interfaces;
using UniVerse.Domain.Enums;
using Xunit;

namespace UniVerse.Api.Tests.Auth;

public class ProfilePhotoControllerTests
{
    [Fact]
    public async Task Get_UsesCurrentUserAndReturnsPhotoWithoutCaching()
    {
        var auth = Substitute.For<IAuthService>();
        auth.GetCurrentUserAsync(7).Returns(new CurrentUserDto(
            7, "user@sfedu.ru", "Test", null, [UserRole.Student], 0, 0, 1, DateTime.UtcNow));
        var microsoft = Substitute.For<IMicrosoftAuthClient>();
        microsoft.GetPhotoAsync(7, Arg.Any<CancellationToken>())
            .Returns(new MicrosoftPhotoResult([1, 2, 3], "image/jpeg"));
        var controller = CreateController(auth, microsoft, 7);

        var result = await controller.Get(CancellationToken.None);

        var file = Assert.IsType<FileContentResult>(result);
        Assert.Equal([1, 2, 3], file.FileContents);
        Assert.Equal("image/jpeg", file.ContentType);
        Assert.Equal("private, no-store", controller.Response.Headers.CacheControl);
        await microsoft.Received(1).GetPhotoAsync(7, Arg.Any<CancellationToken>());
    }

    [Fact]
    public async Task Get_ReturnsNotFoundWhenPhotoIsUnavailable()
    {
        var auth = Substitute.For<IAuthService>();
        auth.GetCurrentUserAsync(7).Returns(new CurrentUserDto(
            7, "user@sfedu.ru", "Test", null, [UserRole.Student], 0, 0, 1, DateTime.UtcNow));
        var controller = CreateController(auth, Substitute.For<IMicrosoftAuthClient>(), 7);

        Assert.IsType<NotFoundResult>(await controller.Get(CancellationToken.None));
    }

    private static ProfilePhotoController CreateController(IAuthService auth, IMicrosoftAuthClient microsoft, int userId)
    {
        var controller = new ProfilePhotoController(auth, microsoft);
        controller.ControllerContext = new ControllerContext
        {
            HttpContext = new DefaultHttpContext
            {
                User = new ClaimsPrincipal(new ClaimsIdentity(
                    [new Claim(ClaimTypes.NameIdentifier, userId.ToString())], "test"))
            }
        };
        return controller;
    }
}