using DS.Module.Core;
using DS.Module.Core.Enums;
using DS.Module.Core.Extensions;
using DS.WMS.Core.Application.Dtos;
using DS.WMS.Core.Application.Entity;
using DS.WMS.Core.Application.Method;
using DS.WMS.Core.Code.Entity;
using DS.WMS.Core.Fee.Entity;
using DS.WMS.Core.Info.Entity;
using DS.WMS.Core.Invoice.Dtos;
using DS.WMS.Core.Invoice.Interface;
using DS.WMS.Core.Sys.Entity;
using DS.WMS.Core.Sys.Interface;
using Mapster;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using static System.Net.Mime.MediaTypeNames;

namespace DS.WMS.Core.Invoice.Method
{
    /// <summary>
    /// 发票服务基类
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public class InvoiceService<TEntity> : ApplicationServiceBase, IInvoiceService<TEntity>
        where TEntity : Entity.Invoice, new()
    {
        readonly Lazy<ICommonService> CommonService;

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="provider"></param>
        public InvoiceService(IServiceProvider provider) : base(provider)
        {
            CommonService = new Lazy<ICommonService>(provider.GetRequiredService<ICommonService>());
        }

        /// <summary>
        /// 获取分页列表
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DataResult<InvoiceList>> GetListAsync(PageRequest<string> request)
        {
            var query = TenantDb.Queryable<Entity.Invoice>()
                .Select((i) => new InvoiceDto
                {
                    Details = SqlFunc.Subqueryable<ApplicationDetail>().Where(d => d.ApplicationId == i.Id)
                    .ToList(d => new ApplicationDetailDto
                    {
                        OriginalCurrency = d.OriginalCurrency,
                        OriginalAmount = d.OriginalAmount,
                        OriginalSettlementAmount = d.OriginalSettlementAmount,
                        ExchangeRate = d.ExchangeRate
                    }),
                    InvoiceApplicationList = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<InvoiceApplication>((d, a) =>
                        d.ApplicationId == i.Id && d.Category == DetailCategory.InvoiceIssuance && d.RefId == a.Id)
                        .WhereIF(!string.IsNullOrEmpty(request.OtherQueryCondition), (d, a) => a.ApplicationNO.Contains(request.OtherQueryCondition))
                        .GroupBy((d, a) => a.ApplicationNO).ToList((d, a) => a.ApplicationNO)
                }, true).MergeTable();

            if (!string.IsNullOrEmpty(request.OtherQueryCondition))
                query = query.Where(i => i.InvoiceNO.Contains(request.OtherQueryCondition) || i.BillNO.Contains(request.OtherQueryCondition));

            var whereList = request.GetConditionalModels(Db);
            var result = await query.Where(whereList).ToQueryPageAsync(request.PageCondition);

            if (result.Data?.Count > 0)
            {
                var userIds = result.Data.Select(x => x.CreateBy)
                    .Union(result.Data.Where(x => x.LockUserId.HasValue).Select(x => x.LockUserId.Value))
                    .Union(result.Data.Where(x => x.OperatorId.HasValue).Select(x => x.OperatorId.Value))
                    .Distinct();
                var users = await Db.Queryable<SysUser>().Where(x => userIds.Contains(x.Id)).Select(x => new { x.Id, x.UserName }).ToListAsync();

                var orgIds = result.Data.Where(x => x.SaleDeptId.HasValue).Select(x => x.SaleDeptId.Value)
                    .Distinct();
                var orgs = await Db.Queryable<SysOrg>().Where(x => orgIds.Contains(x.Id)).Select(x => new { x.Id, x.OrgName }).ToListAsync();

                foreach (var item in result.Data)
                {
                    item.CreateByName = users.Find(x => x.Id == item.CreateBy)?.UserName;
                    item.LockUserName = users.Find(x => x.Id == item.LockUserId)?.UserName;
                    item.OperatorName = users.Find(x => x.Id == item.OperatorId)?.UserName;

                    item.SaleDeptName = orgs.Find(x => x.Id == item.SaleDeptId)?.OrgName;
                }
            }

            InvoiceList list = new() { List = result.Data };
            var invResult = DataResult<InvoiceList>.Success(list, result.MultiCode);
            invResult.Count = result.Count;
            return invResult;
        }

        /// <summary>
        /// 获取发票详情
        /// </summary>
        /// <param name="id">发票ID</param>
        /// <returns></returns>
        public async Task<DataResult<InvoiceDto>> GetAsync(long id)
        {
            var invoice = await TenantDb.Queryable<Entity.Invoice>().Select<InvoiceDto>().FirstAsync(x => x.Id == id);
            if (invoice != null)
            {
                if (!string.IsNullOrEmpty(invoice.PushMode))
                {
                    invoice.PushModeValues = invoice.PushMode.Split(',', StringSplitOptions.RemoveEmptyEntries)
                        .Select(x => (PushMode)int.Parse(x)).ToArray();
                }

                if (invoice.OperatorId.HasValue)
                {
                    invoice.OperatorName = await Db.Queryable<SysUser>().Where(x => x.Id == invoice.OperatorId.Value)
                        .Select(x => x.UserName).FirstAsync();
                }

                invoice.Details = await CreateApplicationDetailQuery((d, f, s) => d.ApplicationId == id && d.Category == DetailCategory.InvoiceIssuance)
                    .Select(x => new ApplicationDetailDto
                    {
                        Id = x.Id,
                        ApplicationId = x.ApplicationId,
                        RecordId = x.RecordId,
                        DetailId = x.DetailId,
                        RefId = x.RefId,
                        FeeName = x.FeeName,
                        FeeType = x.FeeType,
                        ApplyAmount = x.ApplyAmount,
                        ExchangeRate = x.ExchangeRate,
                        Currency = x.Currency,
                        OriginalAmount = x.OriginalAmount,
                        OriginalCurrency = x.OriginalCurrency,
                        OriginalRate = x.OriginalRate,
                        CustomerNo = x.CustomerNo,
                        MBLNO = x.MBLNO,
                        ClientName = x.ClientName,
                        ETD = x.ETD,
                        SaleName = x.SaleName,
                        SourceName = x.SourceName,
                        LoadPort = x.LoadPort,
                        Vessel = x.Vessel,
                        Voyage = x.Voyage,
                    }).ToListAsync();

                invoice.Summary = invoice.Details.GroupBy(x => new { x.FeeType, x.Currency }).Select(x => new SummaryItem
                {
                    FeeType = x.Key.FeeType,
                    Currency = x.Key.Currency,
                    Amount = x.Sum(y => y.ApplyAmount)
                }).ToList();

                if (invoice.Mode == InvoiceMode.Applcation)
                {
                    var ids = invoice.Details.Where(x => x.RefId.HasValue).Select(x => x.RefId).Distinct();
                    invoice.Applications = await TenantDb.Queryable<InvoiceApplication>().Where(x => ids.Contains(x.Id))
                        .LeftJoin<SysUser>((x, y) => x.CreateBy == y.Id, "shippingweb8_dev.sys_user")
                        .Select((x, y) => new InvoiceApplicationDto
                        {
                            ApplicationNO = x.ApplicationNO,
                            Status = x.Status,
                            Currency = x.Currency,
                            ApplyAmount = x.ApplyAmount,
                            InvoiceRemark = x.InvoiceRemark,
                            CreateBy = x.CreateBy,
                            CreateByName = y.UserName
                        }).ToListAsync();
                }

                invoice.InvoiceDetails = await TenantDb.Queryable<InvoiceDetail>().Where(
                    x => x.ApplicationId == id && x.Category == DetailCategory.InvoiceIssuance).ToListAsync();
            }

            return DataResult<InvoiceDto>.Success(invoice);
        }

        /// <summary>
        /// 根据业务编号及类型获取费用记录
        /// </summary>
        /// <param name="items">业务ID与业务类型</param>
        /// <returns></returns>
        public virtual Task<DataResult<InvoiceApplicaitonBiz>> GetFeesAsync(params FeeClient[] items)
        {
            return Task.FromResult(DataResult<InvoiceApplicaitonBiz>.Success(
                new InvoiceApplicaitonBiz(new List<FeeInvoiceDto>())));
        }


#pragma warning disable CS4014

        /// <summary>
        /// 提交
        /// </summary>
        /// <param name="request">请求参数</param>
        /// <returns></returns>
        public async Task<DataResult<TEntity>> SaveAsync(InvoiceRequest<TEntity> request)
        {
            var invoice = request.Invoice;

            if (invoice.Currency.IsNullOrEmpty())
                invoice.Currency = FeeCurrency.RMB_CODE;

            TEntity? dbValue = default;
            if (request.Invoice.Id > 0)
            {
                dbValue = await TenantDb.Queryable<TEntity>().Select(x => new TEntity
                {
                    Id = x.Id,
                    IsLocked = x.IsLocked,
                    Mode = x.Mode,
                }).FirstAsync(x => x.Id == request.Invoice.Id);
            }
            var result = EnsureSettlement(request.Invoice, dbValue);
            if (!result.Succeeded)
                return DataResult<TEntity>.Failed(result.Message, result.MultiCode);

            if (invoice.InvoiceDate == default)
                invoice.InvoiceDate = DateTime.Now;

            invoice.OperatorId ??= long.Parse(User.UserId);

            if (invoice.PushModeValues.Length > 0)
                invoice.PushMode = string.Join(",", invoice.PushModeValues.Select(x => (int)x));

            if (request.Invoice.Mode == InvoiceMode.Applcation && request.Applications != null && request.Applications.Count > 0) //发票申请开出
            {
                var ids = request.Applications.Select(x => x.ApplicationId);
                if (request.Invoice.Mode == InvoiceMode.Applcation) //按发票申请
                {
                    var details = await TenantDb.Queryable<ApplicationDetail>()
                        .InnerJoin<InvoiceApplication>((x, y) => x.ApplicationId == y.Id)
                        .LeftJoin<InfoClientBank>((x, y, z) => y.CustomerId == z.ClientId && z.Currency == invoice.Currency && z.IsInvoiceDefault == true)
                        .Where((x, y, z) => ids.Contains(x.ApplicationId) && x.Category == DetailCategory.InvoiceApplication)
                        .Select((x, y, z) => new
                        {
                            x.Id,
                            x.ApplicationId,
                            x.RecordId,
                            x.CustomerName,
                            x.FeeId,
                            x.FeeType,
                            x.FeeName,
                            x.ApplyAmount,
                            x.OriginalAmount,
                            x.Currency,
                            x.OriginalCurrency,
                            x.ProcessedAmount,
                            x.OriginalProcessedAmount,

                            y.CustomerId,
                            y.TaxRate,
                            y.TaxID,
                            y.InvoiceHeader,
                            y.CustomerAddTel,
                            y.SaleDeptId,
                            y.PushMode,
                            y.CellPhoneNO,
                            y.Email,

                            z.BankAccountNo,
                            z.BankName
                        }).ToListAsync();

                    //税率不一致
                    if (details.GroupBy(x => x.TaxRate).Select(x => x.Key).Count() > 1)
                        return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.InconsistentTaxRates));

                    invoice.Details ??= new List<ApplicationDetail>(details.Count);
                    foreach (var item in details)
                    {
                        if (invoice.Id == 0)
                        {
                            invoice.CustomerId = item.CustomerId;
                            invoice.CustomerName = item.CustomerName;
                            invoice.TaxRate = item.TaxRate;
                            invoice.InvoiceHeader = item.InvoiceHeader;
                            invoice.CustomerTaxID = item.TaxID;
                            invoice.CustomerAddressTel = item.CustomerAddTel;
                            invoice.CustomerAccount = item.BankAccountNo;
                            invoice.CustomerBankName = item.BankName;
                            invoice.SaleDeptId = item.SaleDeptId;
                            invoice.PushMode = item.PushMode;
                            invoice.CellPhoneNO = item.CellPhoneNO;
                            invoice.Email = item.Email;
                        }
                        else if (invoice.CustomerId != item.CustomerId) //校验开票单位是否一致
                        {
                            return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.InvoiceCustomerOnlyOne));
                        }
                        else if (invoice.TaxRate != item.TaxRate) //校验税率是否一致
                        {
                            return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.InconsistentTaxRates));
                        }

                        //需转换为费用明细
                        var detail = new ApplicationDetail
                        {
                            ApplicationId = invoice.Id,
                            RefId = item.ApplicationId,
                            DetailId = item.Id,
                            RecordId = item.RecordId,
                            Category = DetailCategory.InvoiceIssuance,
                            CustomerName = item.CustomerName,
                            FeeId = item.FeeId,
                            FeeName = item.FeeName,
                            FeeType = item.FeeType,
                            Currency = invoice.Currency,
                            OriginalCurrency = item.Currency,
                            ApplyAmount = item.ApplyAmount - item.ProcessedAmount,
                            OriginalAmount = item.OriginalAmount - item.OriginalProcessedAmount
                        };

                        var app = request.Applications.Find(x => x.ApplicationId == item.ApplicationId);
                        if (app != null)
                        {
                            if (app.Currency == invoice.Currency)
                            {
                                detail.ExchangeRate = 1m;
                            }
                            else if (string.IsNullOrEmpty(app.Currency)) //原币申请
                            {
                                detail.ExchangeRate = app.ExchangeRates.FirstOrDefault(
                                    x => x.Currency == invoice.Currency)?.ExchangeRate;
                            }
                            else
                            {
                                detail.ExchangeRate = app.ExchangeRates.FirstOrDefault(
                                    x => x.Currency == invoice.Currency)?.ExchangeRate;
                            }
                        }

                        if (!detail.ExchangeRate.HasValue)
                            detail.ExchangeRate = 1m;

                        if (detail.ExchangeRate.HasValue)
                            detail.ApplyAmount = detail.ApplyAmount * detail.ExchangeRate.Value;

                        invoice.Details.Add(detail);
                    }
                }
            }
            else if (request.Invoice.Mode == InvoiceMode.Free) //自由开票
            {
                if (request.BizList?.Count > 0)
                {
                    var result2 = await GetFeesAsync([.. request.BizList]);
                    if (result2.Data != null)
                    {
                        request.Details ??= [];
                        foreach (var item in result2.Data.Items)
                        {
                            var dto = item.Adapt<PaymentApplicationDetailDto>();
                            if (dto.Currency != invoice.Currency)
                            {
                                var biz = request.BizList.Find(x => x.Id == dto.BusinessId && x.BusinessType == dto.BusinessType && x.CustomerId == dto.CustomerId);
                                var er = biz?.ExchangeRates?.FirstOrDefault(x => x.Currency == dto.Currency);
                                dto.ExchangeRate = er == null ? 1 : er.ExchangeRate;
                            }
                            request.Details.Add(dto);
                        }
                    }
                }

                if (request.Details?.Count > 0)
                {
                    if (invoice.Id == 0 && invoice.CustomerId == 0)
                    {
                        var first = request.Details[0];
                        invoice.CustomerId = first.CustomerId;
                        invoice.CustomerName = first.CustomerName;
                    }

                    var ids = request.Details.Select(x => x.RecordId).Distinct();
                    var fees = await TenantDb.Queryable<FeeRecord>().Where(x => ids.Contains(x.Id)).Select(x => new { x.Id, x.TaxRate }).ToListAsync();
                    //税率不一致
                    if (fees.GroupBy(x => x.TaxRate).Select(x => x.Key).Count() > 1 || (invoice.Id > 0 && invoice.TaxRate != fees[0].TaxRate))
                        return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.InconsistentTaxRates));

                    //将请求明细转换为数据库的费用明细
                    invoice.Details = request.Details.Select(x => new ApplicationDetail
                    {
                        Id = x.Id,
                        ApplicationId = x.ApplicationId == 0 ? x.ApplicationId : invoice.Id,
                        RefId = x.RefId,
                        DetailId = x.Id == 0 ? null : x.Id,
                        RecordId = x.RecordId,
                        Category = DetailCategory.InvoiceIssuance,
                        CustomerName = x.CustomerName ?? invoice.CustomerName,
                        FeeId = x.FeeId,
                        FeeName = x.FeeName,
                        FeeType = x.FeeType,
                        Currency = x.Currency,
                        ApplyAmount = x.ApplyAmount,
                        ExchangeRate = x.ExchangeRate,
                        OriginalAmount = x.OriginalAmount,
                        OriginalCurrency = x.OriginalCurrency ?? (invoice.Currency.IsNullOrEmpty() ? x.Currency : invoice.Currency),
                    }).ToList();

                    //补充购方信息
                    invoice.CustomerTaxID = await TenantDb.Queryable<InfoClient>().Where(x => x.Id == invoice.CustomerId).Select(x => x.TaxNo).FirstAsync();
                    var header = await TenantDb.Queryable<InvoiceHeader>().Where(x => x.RelativeId == invoice.CustomerId)
                        .OrderByDescending(x => x.Id).FirstAsync();
                    if (header != null)
                    {
                        invoice.InvoiceHeader = header.Header;
                        invoice.CustomerAddressTel = header.AddressTel;
                    }
                    var clientBank = await TenantDb.Queryable<InfoClientBank>().Where(x => x.ClientId == invoice.CustomerId && x.Currency == invoice.Currency)
                        .OrderByDescending(x => x.IsInvoiceDefault).Select(x => new
                        {
                            x.Account,
                            x.BankName
                        }).FirstAsync();
                    if (clientBank != null)
                    {
                        invoice.CustomerAccount = clientBank.Account;
                        invoice.CustomerBankName = clientBank.BankName;
                    }
                }
            }

            //补充销方信息
            var org = await Db.Queryable<SysOrg>().Where(x => x.Id == User.OrgId).Select(x => new { x.OrgFullName, x.LicenseCode }).FirstAsync();
            if (org != null)
            {
                invoice.OrgName = org.OrgFullName;
                invoice.TaxID = org.LicenseCode;
            }
            var orgBank = await Db.Queryable<SysBank>().Where(x => x.LinkId == User.OrgId && x.Currency == invoice.Currency).OrderByDescending(x => x.IsDefault).Select(x => new
            {
                x.BankAccountNo,
                x.BankName
            }).FirstAsync();
            if (orgBank != null)
            {
                invoice.BankName = orgBank.BankName;
                invoice.Account = orgBank.BankAccountNo;
            }

            //筛选出新增的费用明细
            invoice.Details = invoice.Details.FindAll(x => x.Id == 0);
            if (invoice.Details.Count > 0)
            {
                //金额禁止为0
                if (invoice.Details.Any(x => x.ApplyAmount == 0 || x.OriginalAmount == 0))
                    return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.AmountCannotBeZero));

                if (invoice.Details.Any(x => x.OriginalCurrency.IsNullOrEmpty()))
                    return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.OriginalCurrencyCanNotNull));

                if (invoice.Details.Any(x => x.Currency != invoice.Currency && x.ExchangeRate == null))
                    return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.NeedExchangeRate));

                result = await PreSaveAsync(invoice);
                if (!result.Succeeded)
                    return DataResult<TEntity>.Failed(result.Message, result.MultiCode);
            }

            await TenantDb.Ado.BeginTranAsync();
            try
            {
                BuildOption buildOption;
                if (invoice.Id == 0)//新增
                {
                    buildOption = BuildOption.Create;
                    //创建时需要生成业务编号
                    var sequence = CommonService.Value.GetSequenceNext<TEntity>();
                    if (!sequence.Succeeded)
                        return DataResult<TEntity>.Failed(sequence.Message, MultiLanguageConst.SequenceSetNotExist);

                    invoice.BillNO = sequence.Data;
                    //关联导航属性插入
                    await TenantDb.InsertNav(invoice).Include(x => x.Details).ExecuteCommandAsync();
                }
                else//编辑
                {
                    buildOption = BuildOption.Update;
                    await TenantDb.Updateable(invoice).UpdateColumns(x => new
                    {
                        x.InvoiceDate,
                        x.ReceiptCurrency,
                        x.AutualCustomerName,
                        x.OperatorId,
                        x.SaleDeptId,
                        x.Category,
                        x.CategoryCode,
                        x.IsOverseasInvoice,
                        x.Payee,
                        x.Checker,
                        x.PushMode,
                        x.CellPhoneNO,
                        x.Email,
                        x.Note
                    }).ExecuteCommandAsync();

                    if (invoice.Details?.Count > 0)
                        await TenantDb.Insertable(invoice.Details).ExecuteCommandAsync();

                    if (invoice.InvoiceDetails?.Count > 0)
                        await TenantDb.Storageable(invoice.Details).DefaultAddElseUpdate().ExecuteCommandAsync();
                }

                if (invoice.Details?.Count > 0)
                {
                    //更新费用记录的已开票金额
                    var fees = invoice.Details.Select(x => new FeeRecord
                    {
                        Id = x.RecordId,
                        InvoiceAmount = x.OriginalAmount,
                        OrderInvSettlementAmount = x.OriginalAmount,
                    }).ToList();

                    var updateable = TenantDb.Updateable(fees).PublicSetColumns(x => x.InvoiceAmount, "+");
                    if (invoice.Mode == InvoiceMode.Applcation)
                        updateable = updateable.PublicSetColumns(x => x.OrderInvSettlementAmount, "+")
                            .UpdateColumns(x => new { x.OrderInvSettlementAmount });

                    await updateable.UpdateColumns(x => new { x.InvoiceAmount }).ExecuteCommandAsync();

                    //生成发票明细
                    await BuildInvoiceDetailAsync(invoice, buildOption);
                    if (invoice.InvoiceDetails?.Count > 0)
                        await TenantDb.Storageable(invoice.InvoiceDetails).DefaultAddElseUpdate().ExecuteCommandAsync();

                    //重新计算发票总金额
                    await RefreshInvoiceAsync([invoice]);
                }

                await OnSaveAsync(invoice);
                await TenantDb.Ado.CommitTranAsync();
                PostSaveAsync(invoice);

                return DataResult<TEntity>.Success(invoice);
            }
            catch (Exception ex)
            {
                await TenantDb.Ado.RollbackTranAsync();
                await ex.LogAsync(Db);
                return DataResult<TEntity>.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
            }
        }

        /// <summary>
        /// 生成发票明细
        /// </summary>
        /// <param name="invoice">发票</param>
        /// <param name="option">生成类型</param>
        /// <returns></returns>
        protected async Task BuildInvoiceDetailAsync(TEntity invoice, BuildOption option)
        {
            if (invoice.Details == null || invoice.Details.Count == 0)
                return;

            var recordIds = invoice.Details.Select(x => x.RecordId).ToList();
            var codeList = await TenantDb.Queryable<FeeRecord>()
                .InnerJoin<FeeCode>((f, c) => f.FeeId == c.Id && recordIds.Contains(f.Id))
                .LeftJoin<CodeInvoice>((f, c, ci) => c.GoodName == ci.Name)
                .Select((f, c, ci) => new
                {
                    RecordId = f.Id,
                    ci.Id,
                    ci.Name,
                    ci.DefaultCurrency,
                    ci.TaxRate,
                    ci.Specification,
                    ci.Unit
                }).ToListAsync();

            invoice.InvoiceDetails ??= [];
            foreach (var detail in invoice.Details)
            {
                var code = codeList.Find(x => x.RecordId == detail.RecordId);
                if (code == null || string.IsNullOrEmpty(code.Name))
                    continue;

                var invDetail = invoice.InvoiceDetails.Find(x => x.CodeId == code.Id);
                if (invDetail == null)
                {
                    invDetail = new InvoiceDetail
                    {
                        ApplicationId = invoice.Id,
                        CodeId = code.Id,
                        Name = code.Name,
                        Quantity = 1,
                        TaxUnitPrice = invoice.Details.FindAll(x => x.RecordId == code.RecordId).Sum(x => x.ApplyAmount),
                        TaxRate = invoice.TaxRate,
                        //TaxRate = code.TaxRate,
                        Specification = code.Specification,
                        Unit = code.Unit,
                        Category = DetailCategory.InvoiceApplication
                    };
                    invoice.InvoiceDetails.Add(invDetail);
                }
                else
                {
                    invDetail.Amount += detail.ApplyAmount;
                }

                invDetail.TaxAmount = invDetail.TaxUnitPrice * invoice.TaxRate;
                invDetail.UnitPrice = invDetail.TaxUnitPrice - invDetail.TaxAmount;
                invDetail.Amount = invDetail.TaxUnitPrice * invDetail.Quantity;
            }
        }

        /// <summary>
        /// 重新计算发票的各项金额数据
        /// </summary>
        /// <param name="invoices">发票</param>
        /// <returns></returns>
        protected async Task<int> RefreshInvoiceAsync(List<TEntity> invoices)
        {
            var ids = invoices.Select(x => x.Id);
            var details = await TenantDb.Queryable<ApplicationDetail>().Where(x => ids.Contains(x.ApplicationId))
                .Select(x => new { x.ApplicationId, x.Currency, x.ApplyAmount, x.OriginalAmount }).ToListAsync();
            var invDetails = await TenantDb.Queryable<InvoiceDetail>().Where(x => ids.Contains(x.ApplicationId))
                .Select(x => new { x.ApplicationId, x.Amount }).ToListAsync();

            foreach (var invoice in invoices)
            {
                var currDetails = details.FindAll(x => x.ApplicationId == invoice.Id);

                invoice.ApplyAmount = currDetails.Sum(x => x.ApplyAmount);
                invoice.AmountUppercase = new Money(invoice.ApplyAmount).ToString();
                invoice.OriginalAmount = currDetails.Sum(x => x.OriginalAmount);
                invoice.OtherInvoiceAmount = currDetails.FindAll(x => x.Currency != FeeCurrency.RMB_CODE).Sum(x => x.OriginalAmount);

                invoice.InvoiceAmount = invDetails.FindAll(x => x.ApplicationId == invoice.Id).Sum(x => x.Amount);
            }

            return await TenantDb.Updateable(invoices).UpdateColumns(x => new
            {
                x.ApplyAmount,
                x.AmountUppercase,
                x.OriginalAmount,
                x.OtherInvoiceAmount,
                x.InvoiceAmount
            }).ExecuteCommandAsync();
        }

        /// <summary>
        /// 用于发票的状态检查
        /// </summary>
        /// <param name="invoice">提交的发票</param>
        /// <param name="dbValue">数据库值，新增时为null</param>
        /// <returns></returns>
        protected virtual DataResult EnsureSettlement(TEntity invoice, TEntity? dbValue)
        {
            if (dbValue != null && dbValue.IsLocked)
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsLocked));

            return DataResult.Success;
        }

        /// <summary>
        /// 在保存前调用
        /// </summary>
        /// <param name="invoice">发票</param>
        /// <returns></returns>
        protected virtual Task<DataResult> PreSaveAsync(TEntity invoice) => Task.FromResult(DataResult.Success);

        /// <summary>
        /// 在保存时调用
        /// </summary>
        /// <param name="invoice">要保存的发票</param>
        /// <returns></returns>
        protected virtual Task OnSaveAsync(TEntity invoice) => Task.CompletedTask;

        /// <summary>
        /// 在保存完成后调用
        /// </summary>
        /// <param name="invoice">发票</param>
        protected virtual Task PostSaveAsync(TEntity invoice) => Task.CompletedTask;

        /// <summary>
        /// 删除发票
        /// </summary>
        /// <param name="ids">发票ID</param>
        /// <returns></returns>
        public async Task<DataResult> DeleteAsync(params long[] ids)
        {
            await TenantDb.Ado.BeginTranAsync();
            try
            {
                var apps = await TenantDb.Queryable<TEntity>().Where(x => ids.Contains(x.Id)).Select(x => new TEntity
                {
                    Id = x.Id,
                    Mode = x.Mode,
                    IsLocked = x.IsLocked
                }).ToListAsync();

                if (apps.Count == 0)
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.EmptyData));

                var details = await TenantDb.Queryable<ApplicationDetail>().Where(x => ids.Contains(x.ApplicationId)).Select(
                    x => new ApplicationDetail
                    {
                        Id = x.Id,
                        ApplicationId = x.ApplicationId,
                        DetailId = x.DetailId,
                        RefId = x.RefId,
                        RecordId = x.RecordId,
                        ApplyAmount = x.ApplyAmount,
                        OriginalAmount = x.OriginalAmount
                    }).ToListAsync();

                foreach (var app in apps)
                    app.Details = details.FindAll(x => x.ApplicationId == app.Id);

                var result = PreDelete(apps);
                if (!result.Succeeded)
                    return result;

                await OnDeleteDetailAsync(apps, DeleteOption.Entire);
                await TenantDb.DeleteNav<TEntity>(x => ids.Contains(x.Id)).Include(x => x.Details).ExecuteCommandAsync();
                await TenantDb.Ado.CommitTranAsync();

                PostDeleteAsync(apps, DeleteOption.Entire);

                return DataResult.Success;
            }
            catch (Exception ex)
            {
                await TenantDb.Ado.RollbackTranAsync();
                await ex.LogAsync(Db);
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
            }
        }

        /// <summary>
        /// 删除发票费用明细
        /// </summary>
        /// <param name="ids">明细ID</param>
        /// <returns></returns>
        public async Task<DataResult> DeleteDetailAsync(params long[] ids)
        {
            await TenantDb.Ado.BeginTranAsync();
            try
            {
                var details = await TenantDb.Queryable<ApplicationDetail>().Where(x => ids.Contains(x.Id)).Select(
                x => new ApplicationDetail
                {
                    Id = x.Id,
                    ApplicationId = x.ApplicationId,
                    DetailId = x.DetailId,
                    RefId = x.RefId,
                    RecordId = x.RecordId,
                    ApplyAmount = x.ApplyAmount,
                    OriginalAmount = x.OriginalAmount
                }).ToListAsync();

                if (details.Count == 0)
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.EmptyData));

                var invIds = details.Select(x => x.ApplicationId).Distinct().ToList();
                var invoices = await TenantDb.Queryable<TEntity>().Where(x => invIds.Contains(x.Id)).Select(x => new TEntity
                {
                    Id = x.Id,
                    Mode = x.Mode,
                    IsLocked = x.IsLocked
                }).ToListAsync();

                foreach (var app in invoices)
                    app.Details = details.FindAll(x => x.ApplicationId == app.Id);

                var result = PreDelete(invoices);
                if (!result.Succeeded)
                    return result;

                await OnDeleteDetailAsync(invoices, DeleteOption.DetailOnly);
                await TenantDb.Deleteable(details).ExecuteCommandAsync();
                //重新计算发票总金额
                await RefreshInvoiceAsync(invoices);
                await TenantDb.Ado.CommitTranAsync();

                PostDeleteAsync(invoices, DeleteOption.Entire);

                return DataResult.Success;
            }
            catch (Exception ex)
            {
                await TenantDb.Ado.RollbackTranAsync();
                await ex.LogAsync(Db);
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
            }
        }

        /// <summary>
        /// 删除发票明细
        /// </summary>
        /// <param name="ids">发票明细ID</param>
        /// <returns></returns>
        public async Task<DataResult> DeleteInvoiceDetailAsync(params long[] ids)
        {
            await TenantDb.Ado.BeginTranAsync();
            try
            {
                var invDetails = await TenantDb.Queryable<InvoiceDetail>().Where(x => ids.Contains(x.Id))
                    .Select(x => new { x.ApplicationId, x.Amount }).ToListAsync();
                var groups = invDetails.GroupBy(x => x.ApplicationId);
                foreach (var g in groups)
                {
                    var list = g.Select(x => new TEntity { Id = g.Key, InvoiceAmount = g.Sum(x => x.Amount) }).ToList();
                    //更新发票主表的开票金额
                    await TenantDb.Updateable(list).PublicSetColumns(x => x.InvoiceAmount, "-")
                        .UpdateColumns(x => new { x.InvoiceAmount }).ExecuteCommandAsync();
                }

                await TenantDb.Deleteable<InvoiceDetail>().Where(x => ids.Contains(x.Id)).ExecuteCommandAsync();
                await TenantDb.Ado.CommitTranAsync();
                return DataResult.Success;
            }
            catch (Exception ex)
            {
                await TenantDb.Ado.RollbackTranAsync();
                await ex.LogAsync(Db);
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
            }
        }

        /// <summary>
        /// 在删除发票或其明细之前调用，用于检查状态
        /// </summary>
        /// <param name="invoices">发票</param>
        /// <returns></returns>
        protected virtual DataResult PreDelete(List<TEntity> invoices)
        {
            if (invoices.Any(x => x.IsLocked))
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsLocked));

            return DataResult.Success;
        }

        /// <summary>
        /// 在执行删除发票或其明细时调用
        /// </summary>
        /// <param name="invoices">发票及其明细</param>
        /// <param name="deleteOption">发票删除选项</param>
        /// <returns></returns>
        protected virtual async Task OnDeleteDetailAsync(List<TEntity> invoices, DeleteOption deleteOption)
        {
            var appIds = invoices.Select(x => x.Id);

            if (deleteOption == DeleteOption.DetailOnly)
            {
                ////删除明细需要同时变更发票明细
                //foreach (var item in invoices)
                //    BuildInvoiceDetailAsync(item, BuildOption.Delete);

                var excludeIds = invoices.SelectMany(x => x.Details).Select(x => x.Id);
                var details = await TenantDb.Queryable<ApplicationDetail>().Where(x => appIds.Contains(x.ApplicationId) && !excludeIds.Contains(x.Id))
                    .Select(x => new ApplicationDetail
                    {
                        Id = x.Id,
                        ApplicationId = x.ApplicationId,
                        RecordId = x.RecordId,
                        FeeId = x.FeeId,
                        ApplyAmount = x.ApplyAmount
                    }).ToListAsync();
                foreach (var item in invoices)
                {
                    //重新设置申请明细与总金额
                    item.Details = details.FindAll(x => x.ApplicationId == item.Id);
                    item.ApplyAmount = item.Details.Sum(x => x.ApplyAmount);
                    item.AmountUppercase = new Money(item.ApplyAmount).ToString();
                }

                await TenantDb.Updateable(invoices).UpdateColumns(x => new
                {
                    x.ApplyAmount,
                    x.AmountUppercase
                }).ExecuteCommandAsync();
            }
            else if (deleteOption == DeleteOption.Entire)
            {
                //删除发票主表则同时删除对应发票明细
                await TenantDb.Deleteable<InvoiceDetail>().Where(x => appIds.Contains(x.ApplicationId)).ExecuteCommandAsync();
            }

            foreach (var item in invoices)
            {
                //还原费用表的已开票金额
                var fees = item.Details?.Select(x => new FeeRecord { Id = x.RecordId, InvoiceAmount = x.OriginalAmount }).ToList();

                var updateable = TenantDb.Updateable(fees).PublicSetColumns(x => x.InvoiceAmount, "-");

                if (item.Mode == InvoiceMode.Applcation)
                    updateable = updateable.PublicSetColumns(x => x.OrderInvSettlementAmount, "-")
                        .UpdateColumns(x => new { x.OrderInvSettlementAmount });

                await updateable.UpdateColumns(x => new { x.InvoiceAmount }).ExecuteCommandAsync();

            }

        }

        /// <summary>
        /// 在删除完成后调用
        /// </summary>
        /// <param name="invoices">发票及其明细</param>
        /// <param name="deleteOption">发票删除选项</param>
        protected virtual Task PostDeleteAsync(List<TEntity> invoices, DeleteOption deleteOption) => Task.CompletedTask;


        /// <summary>
        /// 设置发票的锁定状态
        /// </summary>
        /// <param name="isLocked">是否锁定</param>
        /// <param name="ids">发票ID</param>
        /// <returns></returns>
        public async Task<DataResult> SetLockAsync(bool isLocked, params long[] ids)
        {
            var dt = DateTime.Now;
            var userId = long.Parse(User.UserId);
            var list = ids.Select(x => new TEntity
            {
                Id = x,
                IsLocked = isLocked,
                LockTime = isLocked ? dt : null,
                LockUserId = isLocked ? userId : null
            }).ToList();
            int rows = await TenantDb.Updateable(list)
                .UpdateColumns(x => new { x.IsLocked, x.LockTime, x.LockUserId }).ExecuteCommandAsync();

            return rows > 0 ? DataResult.Success : DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
        }

        /// <summary>
        /// 设置发票的作废状态
        /// </summary>
        /// <param name="isCancelled">是否锁定</param>
        /// <param name="ids">发票ID</param>
        /// <returns></returns>
        public async Task<DataResult> SetCancelAsync(bool isCancelled, params long[] ids)
        {
            var dt = DateTime.Now;
            var userId = long.Parse(User.UserId);
            var list = ids.Select(x => new TEntity
            {
                Id = x,
                IsCancelled = isCancelled,
                CancelTime = isCancelled ? dt : null,
                CancelUserId = isCancelled ? userId : null
            }).ToList();
            int rows = await TenantDb.Updateable(list)
                .UpdateColumns(x => new { x.IsCancelled, x.CancelTime, x.CancelUserId }).ExecuteCommandAsync();

            return rows > 0 ? DataResult.Success : DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
        }
    }

}