using Shentun.Peis.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Volo.Abp;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.Domain.Services;
using static log4net.Appender.RollingFileAppender;

namespace Shentun.Peis.CardRegisters
{
    public class CardRegisterManager : DomainService
    {
        private readonly IRepository<CardRegister, Guid> _repository;
        public CardRegisterManager(IRepository<CardRegister, Guid> repository)
        {
            _repository = repository;

        }
        /// <summary>
        /// 创建
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        public async Task<CardRegister> CreateAsync(
          CardRegister entity
         )
        {
            Verify(entity);
            var queryable = await _repository.GetQueryableAsync();
            var findedEntity = queryable.Where(x => x.CardNo == entity.CardNo && x.IsActive == 'Y').FirstOrDefault();
            if (findedEntity != null)
            {
                throw new UserFriendlyException($"卡号已经被{findedEntity.CustomerName}使用");
            }
            return new CardRegister(
                GuidGenerator.Create()
             )
            {
                CardBalance = 0,
                IsActive = entity.IsActive,
                CardNo = entity.CardNo,
                CardPassword = entity.CardPassword,
                CardTypeId = entity.CardTypeId,
                CustomerName = entity.CustomerName,
                Discount = entity.Discount,
                ExpiryDate = entity.ExpiryDate,
                IdNo = entity.IdNo,
                MobileTelephone = entity.MobileTelephone,
                MedicalCenterId = entity.MedicalCenterId,
                Remark = entity.Remark,
                Telephone = entity.Telephone

            };
        }

        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="sourceEntity"></param>
        /// <param name="targetEntity"></param>
        /// <returns></returns>
        public void UpdateAsync(
           CardRegister sourceEntity,
           CardRegister targetEntity
          )
        {
            DataHelper.CheckEntityIsNull(sourceEntity);
            DataHelper.CheckEntityIsNull(targetEntity);
            Verify(sourceEntity);
            if (sourceEntity.CardNo != targetEntity.CardNo)
            {
                throw new ArgumentException("卡号不允许修改");
            }
            if (sourceEntity.CardBalance != 0 && sourceEntity.CardBalance != targetEntity.CardBalance)
            {
                throw new ArgumentException("卡余额不允许修改");
            }
            targetEntity.IsActive = sourceEntity.IsActive;
            targetEntity.CardPassword = sourceEntity.CardPassword;
           // targetEntity.CardTypeId = sourceEntity.CardTypeId;
            targetEntity.CustomerName = sourceEntity.CustomerName;
            targetEntity.Discount = sourceEntity.Discount;
            targetEntity.ExpiryDate = sourceEntity.ExpiryDate;
            targetEntity.IdNo = sourceEntity.IdNo;
            targetEntity.MobileTelephone = sourceEntity.MobileTelephone;
           // targetEntity.MedicalCenterId = sourceEntity.MedicalCenterId;
            targetEntity.Remark = sourceEntity.Remark;
            targetEntity.Telephone = sourceEntity.Telephone;

        }

        public async Task UpdateActive(CardRegister entity, char isActive)
        {
            DataHelper.CheckEntityIsNull(entity);
            DataHelper.CheckCharIsYOrN(isActive, "使用标志");

            if (isActive == 'N')
            {
                entity.IsActive = isActive;
            }
            else
            {
                //检查卡号是否用过
                var queryable = await _repository.GetQueryableAsync();
                var findedEntity = queryable.Where(x => x.Id != entity.Id && x.CardNo == entity.CardNo && x.IsActive == 'Y').FirstOrDefault();
                if (findedEntity != null)
                {
                    throw new UserFriendlyException($"卡号已经被{findedEntity.CustomerName}使用");
                }
            }
        }
        /// <summary>
        /// 创建卡充值
        /// </summary>
        /// <param name="entity"></param>
        /// <param name="payModeId"></param>
        /// <param name="billFlag"></param>
        /// <param name="amount"></param>
        /// <returns></returns>
        /// <exception cref="ArgumentException"></exception>
        public CardBill CreateCardBill(CardRegister entity, string payModeId, char billFlag, decimal amount)
        {
            DataHelper.CheckEntityIsNull(entity);
            if (amount == 0)
            {
                throw new ArgumentException("金额等于0");
            };
            if (billFlag == Shentun.Peis.Enums.CardBillFlag.Charge && amount < 0)
            {
                throw new ArgumentException("充值金额不能小于0");
            }
            else if (billFlag != Shentun.Peis.Enums.CardBillFlag.Charge && amount > 0)
            {
                throw new ArgumentException("扣费或退费金额不能大于0");
            }
            if ((entity.CardBalance + amount) < 0)
            {
                throw new ArgumentException($"扣费或退费金额不能小于余额{entity.CardBalance}");
            }
            entity.CardBalance += amount;
            var cardBill = new CardBill(GuidGenerator.Create())
            {
                CardRegisterId = entity.Id,
                PayModeId = payModeId,
                BillFlag = billFlag,
                BillMoney = amount,
            };
            return cardBill;
        }
        /// <summary>
        /// 增加卡充值，暂时不使用，用来测试聚合根模式
        /// </summary>
        /// <param name="entity"></param>
        /// <param name="payModeId"></param>
        /// <param name="billFlag"></param>
        /// <param name="amount"></param>
        /// <exception cref="ArgumentException"></exception>
        public void AddCardBill(CardRegister entity, string payModeId, char billFlag, decimal amount)
        {
            DataHelper.CheckEntityIsNull(entity);
            if (amount == 0)
            {
                throw new ArgumentException("金额等于0");
            };
            if (billFlag == Shentun.Peis.Enums.CardBillFlag.Charge && amount < 0)
            {
                throw new ArgumentException("充值金额不能小于0");
            }
            else if (billFlag != Shentun.Peis.Enums.CardBillFlag.Charge && amount > 0)
            {
                throw new ArgumentException("扣费或退费金额不能大于0");
            }
            if ((entity.CardBalance + amount) < 0)
            {
                throw new ArgumentException($"扣费或退费金额不能小于余额{entity.CardBalance}");
            }
            entity.CardBalance += amount;
            var cardBill = new CardBill(GuidGenerator.Create())
            {
                CardRegisterId = entity.Id,
                PayModeId = payModeId,
                BillFlag = billFlag,
                BillMoney = amount,
            };
            entity.CardBills.Add(cardBill);
        }
        private void Verify(CardRegister entity)
        {
            DataHelper.CheckEntityIsNull(entity);
            DataHelper.CheckStringIsNull(entity.CardNo, "卡号");
            DataHelper.CheckStringIsNull(entity.CustomerName, "领用者");
            //DataHelper.CheckStringIsNull(entity.IdNo, "身份证号");
            //DataHelper.CheckStringIsNull(entity.IdNo, "手机号");
            DataHelper.CheckGuidIsDefaultValue(entity.CardTypeId, "卡类型");
            DataHelper.CheckGuidIsDefaultValue(entity.MedicalCenterId, "体检中心");
            DataHelper.CheckCharIsYOrN(entity.IsActive, "使用标志");
        }
    }
}