using AutoMapper;
using AutoMapper.QueryableExtensions;
using IRaCIS.Application.Interfaces;
using IRaCIS.Application.ViewModels;
using IRaCIS.Core.Application.Contracts.RequestAndResponse;
using IRaCIS.Core.Domain.Interfaces;
using IRaCIS.Core.Domain.Models;
using System;
using System.Collections.Generic;
using System.Linq;

namespace IRaCIS.Application.Services
{
    public class AttachmentService : IAttachmentService
    {
        private readonly IAttachmentRepository _doctorAttachmentRepository;
        private readonly IMapper _mapper;

        public AttachmentService(IAttachmentRepository doctorAttachmentRepository, IMapper mapper)
        {
            _doctorAttachmentRepository = doctorAttachmentRepository;
            _mapper = mapper;
        }

        /// <summary>
        /// 删除附件
        /// </summary>
        /// <param name="attachmentId"></param>
        /// <returns></returns>
        public IResponseOutput DeleteAttachment(Guid attachmentId)
        {
            var success = _doctorAttachmentRepository.Delete(a => a.Id == attachmentId);
            return ResponseOutput.Result(success);
        }

        /// <summary>
        /// 根据附件类型获取附件信息
        /// </summary>
        /// <param name="doctorId"></param>
        /// <param name="type"></param>
        /// <returns></returns>
        public IEnumerable<AttachmentDTO> GetAttachmentByType(Guid doctorId, string type)
        {
            return _doctorAttachmentRepository.Find(a => a.DoctorId == doctorId && a.Type.Equals(type)).ProjectTo<AttachmentDTO>(_mapper.ConfigurationProvider);
        }

        public IEnumerable<AttachmentDTO> GetAttachmentByTypes(Guid doctorId, string[] types)
        {
            return _doctorAttachmentRepository.Find(a => a.DoctorId == doctorId && types.Contains(a.Type)).OrderBy(s => s.Type).ThenBy(m => m.CreateTime).ProjectTo<AttachmentDTO>(_mapper.ConfigurationProvider);
        }

        public IEnumerable<AttachmentDTO> GetAttachments(Guid doctorId)
        {
            return _doctorAttachmentRepository.Find(a => a.DoctorId == doctorId).OrderBy(s => s.Type).ThenBy(m => m.CreateTime).ProjectTo<AttachmentDTO>(_mapper.ConfigurationProvider);
        }

        public AttachmentDTO GetDetailById(Guid attachmentId)
        {
            var attachment = _doctorAttachmentRepository.FindSingleOrDefault(a => a.Id == attachmentId);
            return _mapper.Map<AttachmentDTO>(attachment);
        }



        /// <summary>
        /// 保存多个附件
        /// </summary>
        /// <param name="attachmentList"></param>
        /// <returns></returns>
        public IEnumerable<AttachmentDTO> SaveAttachmentRange(IEnumerable<AttachmentDTO> attachmentList)
        {
            var attachments = _mapper.Map<IEnumerable<Attachment>>(attachmentList);

            foreach (var item in attachments)
            {
                if (item.Id != Guid.Empty)
                {
                    _doctorAttachmentRepository.Delete(a => a.Id == item.Id);
                }
            }

            var result = _doctorAttachmentRepository.AddRange(attachments);
            _doctorAttachmentRepository.SaveChanges();
            return _mapper.Map<IEnumerable<AttachmentDTO>>(result);
        }




        public string GetDoctorOfficialCV(Guid doctorId)
        {
            var result = _doctorAttachmentRepository.FindSingleOrDefault(a => a.DoctorId == doctorId &&
           a.IsOfficial && a.Type.Equals("Resume"));
            if (result != null)
            {
                return result.Path;
            }
            return string.Empty;
        }

        public IResponseOutput SetOfficial(Guid doctorId, Guid attachmentId)
        {
            var resumeList = _doctorAttachmentRepository.Find(t => t.DoctorId == doctorId && t.Type == "Resume");
            foreach (var item in resumeList)
            {
                if (item.Id == attachmentId) item.IsOfficial = true;
                else  item.IsOfficial = false;
                _doctorAttachmentRepository.Update(item);
            }


            //_doctorAttachmentRepository.Update(t => t.DoctorId == doctorId && t.Type == "Resume", entity => new Attachment()
            //{
            //    IsOfficial = false
            //});

            //var success1 = _doctorAttachmentRepository.Update(t => t.Id == attachmentId, attach => new Attachment()
            //{
            //    IsOfficial = true
            //});
            return ResponseOutput.Result(_doctorAttachmentRepository.SaveChanges());


        }
    }
}