using Infrastructure.Data;
using Infrastructure.Web;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using TeacherExt.Entities;

namespace TeacherExt
{
    public class UserService : IUserService
    {
        private readonly IRepository<Person> _personRepo;
        private readonly IRepository<PersonLogin> _loginRepo;
        private readonly IRepository<PersonRole> _personRoleRepo;
        private readonly IRepository<SystemRole> _roleRepo;

        public UserService(IRepository<Person> personRepo,
            IRepository<PersonLogin> loginRepo, 
            IRepository<PersonRole> personRoleRepo, 
            IRepository<SystemRole> roleRepo)
        {
            this._personRepo = personRepo;
            this._loginRepo = loginRepo;
            this._personRoleRepo = personRoleRepo;
            this._roleRepo = roleRepo;
        }

        public List<string> GetOrgans(string userName)
        {
            return new List<string>();
        }

        public List<Claim> GetRoles(string userName, string organId)
        {
            var list = (
                from loginPerson in this._loginRepo.ReadOnlyTable().Where(o=>o.LoginName==userName)
                join personRole in this._personRoleRepo.ReadOnlyTable() on loginPerson.PersonId equals personRole.PersonId
                         join role in this._roleRepo.ReadOnlyTable() on personRole.RoleId equals role.Id
                         select role.RoleName).Distinct().ToList()
                         .Select(o => new Claim(ClaimTypes.Role, o)).ToList();
            var obj = (from loginPerson in this._loginRepo.ReadOnlyTable().Where(o => o.LoginName == userName)
                           join person in this._personRepo.ReadOnlyTable() on loginPerson.PersonId equals person.Id
                           select new { person.Id, person.OrganId }).FirstOrDefault();
            list.Add(new Claim("PersonId", obj.Id.ToString()));
            list.Add(new Claim("OrganId", obj.OrganId.ToString()));
            return list;
        }
    }
}