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

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

        public UserService(IRepository<AppModule> appModuleRepo,IRepository<OrganUser> organUserRepo, IHttpContextAccessor httpContextAccesstor)
        {
            this._appModuleRepo = appModuleRepo;
            this._organUserRepo = organUserRepo;
            this._httpContextAccesstor = httpContextAccesstor;
        }

        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)
        {
            List<Claim> list = null;
            if (!string.IsNullOrEmpty(organId))
            {
                if(Guid.TryParse(organId,out Guid currentOrganId))
                {
                    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();
                    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;
        }
    }
}