using System.Collections.Generic;
using System.Threading.Tasks;
using AutoMapper;
using GxPress.Repository.Interface;
using GxPress.Request.Department;
using GxPress.Result.Department;
using GxPress.Service.Interface;
using GxPress.Service.Interface.Department;
using GxPress.Repository.Interface.DepartmentUser;
using System.Linq;

namespace GxPress.Service.Implement.Department
{

    /// <summary>
    /// 部门
    /// </summary>
    public partial class DepartmentService : IDepartmentService
    {

        private readonly IMapper _mapper;
        private readonly IDepartmentRepository _departmentRepository;
        private readonly IUserRepository _userRepository;
        private readonly IUserService _userService;
        private readonly IDepartmentUserRepository departmentUserRepository;
        public DepartmentService(IMapper mapper, IDepartmentRepository departmentRepository,
            IUserRepository userRepository, IUserService userService, IDepartmentUserRepository departmentUserRepository)
        {
            _departmentRepository = departmentRepository;
            _userRepository = userRepository;
            _userService = userService;
            _mapper = mapper;
            this.departmentUserRepository = departmentUserRepository;
        }
        /// <summary>
        /// 根据部门ID获取成员以及下级部门
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DepartmentUserResult> GetDepartmentUserResultAsync(DepartmentUserRequest request)
        {
            var result = await _departmentRepository.GetDepartmentUserResultAsync(request);
            if (result.Departments != null)
            {
                foreach (var item in result.Departments)
                {
                    //获取部门
                    var departments = new List<Entity.Department>();
                    await _departmentRepository.GetDepartmentById(item.Id, departments);
                    var userIds = await departmentUserRepository.GetUserIdsByDepartmentIdsAsync(departments.Select(n => n.Id));
                    item.UserCount = userIds.Count();
                }

            }
            return result;
        }
    }
}