using System.Security.Claims;
using Hutopy.Modules.Identity.Models;

namespace Hutopy.Modules.Identity.Data;

public class IdentityService(
    UserManager userManager,
    IHttpContextAccessor contextAccessor
)
{
    public async Task<UserModel?> GetCurrentUserAsync()
    {
        string? currentUserId = contextAccessor.HttpContext?.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
        if (string.IsNullOrEmpty(currentUserId))
        {
            return null;
        }

        UserModel? ret;
        User? user = await userManager.FindByIdAsync(currentUserId);

        if (user == null)
        {
            ret = null;
        }
        else
        {
            UserModel userModel = new()
            {
                Id = user.Id,
                Username = user.UserName ?? string.Empty,
                PhoneNumber = user.PhoneNumber ?? string.Empty,
                Email = user.Email ?? string.Empty,
                PortraitUrl = user.PortraitUrl,
                Alias = user.Alias,
                Firstname = user.Firstname,
                Lastname = user.Lastname,
                BirthDate = user.BirthDate,
                Address = user.Address
            };

            ret = userModel;
        }

        return ret;
    }

    public async Task<IList<string>> GetCurrentUserRolesAsync()
    {
        UserModel? currentUserModel = await GetCurrentUserAsync();

        if (currentUserModel is null)
        {
            return [];
        }

        User? currentUser = await userManager.FindByIdAsync(currentUserModel.Id.ToString());

        if (currentUser is null)
        {
            return [];
        }

        IList<string> userRoles = await userManager.GetRolesAsync(currentUser);

        return userRoles;
    }
}