using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using PayRollBLL.Contact;
using PayRollDAL.CustomeCode.Contact;
using PayRollDAL.DTO.Address;
using System;
using System.Threading.Tasks;

namespace PayRollBLL.CustomCode.Contact
{
    public class ContactBLL : IContactBLL
    {
        private readonly IContactDAL _contactDAL;
        private readonly AutoNumber _autoNumber;

        public ContactBLL(IContactDAL contactDAL, AutoNumber autoNumber)
        {
            _contactDAL = contactDAL;
            _autoNumber = autoNumber;
        }

        public async Task<int> SaveOrUpdateContactAsync(ContactDTO contactDTO, LoginDTO loginDTO, int employeeId)
        {
            if (contactDTO == null)
                return -1; // Changed from throw to return -1 for consistency

            bool isNew = contactDTO.ContactId == 0;

            // Generate Contact ID if new
            if (isNew)
            {
                AutoNumberDTO contactAutoNumber = await _autoNumber.GetNumberAsync(1, "CONTACT", loginDTO);
                contactDTO.ContactId = contactAutoNumber.StartNumber;
            }

            // Common fields
            contactDTO.ObjectTypeId = -1399999905; // Employee entity
            contactDTO.ContactObjectId = employeeId;
            contactDTO.ContactCreatedById = loginDTO.UserId;
            contactDTO.ContactCreatedOn = DateTime.UtcNow;
            contactDTO.ContactModifiedById = loginDTO.UserId;
            contactDTO.ContactModifiedOn = DateTime.UtcNow;

            // Set SourceType from JSON (value: 3)
            contactDTO.ContactSourceType = 3;

            // Insert or Update
            if (isNew)
            {
                await _contactDAL.SaveContact(contactDTO, loginDTO);
            }
            else
            {
                await _contactDAL.UpdateContact(contactDTO, loginDTO);
            }

            return contactDTO.ContactId;
        }
    }
}