using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Jellyfin.Database.Implementations.Entities;
using MediaBrowser.Controller.Library;
using Moq;

namespace Jellyfin.Plugin.WatchedTogether.Tests;

/// <summary>
/// Sets up the <see cref="IUserManager"/> members whose signatures differ between Jellyfin 10.11
/// and 12, so the suites read the same whichever generation they are compiled against.
/// </summary>
internal static class UserManagerMockExtensions
{
    /// <summary>
    /// Routes <c>ChangePassword</c> to <paramref name="onChange"/> with the user the real server
    /// would act on: the instance handed in on 10.11, the stored row looked up by id on 12.
    /// </summary>
    /// <param name="mock">The user manager mock.</param>
    /// <param name="users">The users the mock knows about, used to resolve ids on 12.</param>
    /// <param name="onChange">The behaviour to run for the change.</param>
    public static void SetupChangePassword(
        this Mock<IUserManager> mock,
        List<User> users,
        Func<User, string, Task> onChange)
    {
#if JELLYFIN_12
        mock.Setup(m => m.ChangePassword(It.IsAny<Guid>(), It.IsAny<string>()))
            .Returns((Guid id, string password) =>
            {
                var user = users.Find(u => u.Id == id)
                    ?? throw new KeyNotFoundException($"No user with id {id}");
                return onChange(user, password);
            });
#else
        mock.Setup(m => m.ChangePassword(It.IsAny<User>(), It.IsAny<string>()))
            .Returns((User user, string password) => onChange(user, password));
#endif
    }
}