using AutoMapper;
using Complex.Application.Utility;
using Complex.Common.Dto;
using Complex.Domain.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Complex.Application.PersonService
{
    public interface IPersonService
    {
        public ResultDto<string> InsertPerson(PersonDto person);
        public ResultDto<bool> EditPerson(PersonDto person);
        public ResultDto<List<PersonDto>> GetAllPersons(PersonDto personSearchObj);
    }
    public class PersonService : IPersonService
    {
        private readonly IComplexDBContext _complexDBContext;
        private IMapper _mapper;
        public PersonService(IComplexDBContext complexDBContext, IMapper mapper)
        {
            _complexDBContext = complexDBContext;
            _mapper = mapper;
        }

        public ResultDto<List<PersonDto>> GetAllPersons(PersonDto personSearchObj)
        {
            var persons = _complexDBContext.ComplexPersons.Where(u => u.ComplexId == personSearchObj.ComplexId).Select(cp => cp.PersonMobileNumber);
            //در تمام فیلدها با شماره تلفن میتوان جستجو کرد
            if (personSearchObj.MobileNumber.IsNotNullOrEmpty())
            {
                persons = persons.Where(p => p.Id.Contains(personSearchObj.MobileNumber));
                persons = persons.Where(p => p.FirstName.Contains(personSearchObj.MobileNumber));
                persons = persons.Where(p => p.FirstName.Contains(personSearchObj.MobileNumber));
            }
            //if (personSearchObj.FirstName.IsNotNullOrEmpty())
            //    persons = persons.Where(p => p.FirstName.Contains(personSearchObj.FirstName));

            //if (personSearchObj.LastName.IsNotNullOrEmpty())
            //    persons = persons.Where(p => p.LastName.Contains(personSearchObj.LastName));

            //var persons = _complexDBContext.Units.Where(u => u.ComplexId == personSearchObj.ComplexId).Select(p => p.Tenant);
            //persons = persons.Union(_complexDBContext.Units.Where(u => u.ComplexId == personSearchObj.ComplexId).Select(p => p.Owner));

            //if (personSearchObj.MobileNumber.IsNotNullOrEmpty())
            //    persons = persons.Where(p => p.Id.Contains(personSearchObj.MobileNumber));

            //var personResult = persons.Distinct().ToList();
            return new ResultDto<List<PersonDto>>
            {
                Data = persons.Select(p => _mapper.Map<PersonDto>(p)).ToList(),
                IsSuccess = true
            };
        }

        public ResultDto<bool> EditPerson(PersonDto person)
        {
            throw new NotImplementedException();
        }

        public ResultDto<string> InsertPerson(PersonDto personDto)
        {
            var newPerson = _mapper.Map<Person>(personDto);
            var isExist = _complexDBContext.Persons.Any(p => p.Id == personDto.MobileNumber);
            if (!isExist)
            {
                newPerson.Id = personDto.MobileNumber;
                _complexDBContext.Persons.Add(newPerson);
                _complexDBContext.SaveChanges();
            }
            _complexDBContext.ComplexPersons.Add(new ComplexPerson
            {
                ComplexId = personDto.ComplexId.Value,
                PersonMobileNumberId = personDto.MobileNumber,
            });
            return new ResultDto<string> { Data = newPerson.Id, IsSuccess = true };
        }
    }
    public class PersonDto
    {
        public Guid? ComplexId { set; get; }
        public string? MobileNumber { set; get; }
        public string? FirstName { get; set; }
        public string? LastName { get; set; }
        public byte? Gender { set; get; }
        //public int? MobileCode { set; get; }
        public byte[]? Avatar { set; get; }
    }
}