using System.Security.Claims;
using IdentityModel;
using IdentityServer8.Models;
using IdentityServer8.Services;
using Microsoft.AspNetCore.Identity;
using Yavsc.Models;

namespace Yavsc.Services
{
    public class ProfileService : IProfileService
    {
        private readonly UserManager<ApplicationUser> _userManager;
        private readonly RoleManager<IdentityRole> _roleManager;
        public ProfileService(
            UserManager<ApplicationUser> userManager,
            RoleManager<IdentityRole> roleManager)
        {
            _userManager = userManager;
            _roleManager = roleManager;
        }

        public async Task<List<Claim>> GetClaimsFromUserAsync(ApplicationUser user)
        {
            var claims = new List<Claim> {
                new Claim(JwtClaimTypes.Subject,user.Id.ToString()),
                new Claim(JwtClaimTypes.PreferredUserName,user.UserName)
            };

            var role = await _userManager.GetRolesAsync(user);
            role.ToList().ForEach(f =>
            {
                claims.Add(new Claim(JwtClaimTypes.Role, f));
            });


            return claims;
        }


        public async Task GetProfileDataAsync(ProfileDataRequestContext context)
        {
            var subjectId = context.Subject.Claims.FirstOrDefault(c => c.Type == "sub").Value;
            var user = await _userManager.FindByIdAsync(subjectId);
            context.IssuedClaims = await GetClaimsFromUserAsync(user);
        }


        public async Task IsActiveAsync(IsActiveContext context)
        {
            var subjectId = context.Subject.Claims.FirstOrDefault(c => c.Type == "sub").Value;
            var user = await _userManager.FindByIdAsync(subjectId);
            context.IsActive = user != null;
        }

    }
}