using Infrastructure.Data;
using Infrastructure.Web;
using IoT.Shared.Application.Domain.Entities;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;

namespace Platform
{
    public class UserService : IUserService
    {
        private readonly IRepository<OrganUser> _organUserRepo;

        public UserService(IRepository<OrganUser> organUserRepo)
        {
            this._organUserRepo = organUserRepo;
        }

        public List<string> GetOrgans(string userName)
        {
            var list = this._organUserRepo.ReadOnlyTable().Where(o => o.User.UserName == userName)
                                    .Select(o => o.OrganId.ToString())
                                    .ToList();
            return list;
        }

        public List<Claim> GetRoles(string userName, string organId)
        {
            var currentOrganId = Guid.Parse(organId);
            var organUser = this._organUserRepo.ReadOnlyTable()
                .Where(o => o.User.UserName == userName)
                .Where(o => o.OrganId == currentOrganId)
                .Include(o => o.User)
                .Include(o => o.UserRoles).ThenInclude(o => o.OrganRole).ThenInclude(o => o.RolePermissions).ThenInclude(o => o.Permission)
                .FirstOrDefault();
            List<Claim> list = null;
            if (organUser != null)
            {
                list = organUser.UserRoles
                       .Select(o => o.OrganRole)
                       .SelectMany(o => o.RolePermissions)
                       .Select(o => o.Permission.Number)
                       .Distinct()
                       .ToList()
                       .Select(o => new Claim(ClaimTypes.Role, o))
                       .ToList();
                list.Add(new Claim(ClaimTypes.GivenName, organUser.User.NickName));
                if(!string.IsNullOrEmpty(organUser.User.Avatar))
                {
                    list.Add(new Claim("Avatar", organUser.User.Avatar));
                }
            }

            return list;
        }
    }
}