using DS.Module.Core;
using DS.Module.Core.Data;
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.Op.Entity;
using DS.WMS.Core.Sys.Entity;
using DS.WMS.Core.Sys.Interface;
using Mapster;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;

namespace DS.WMS.Core.Invoice.Method
{
    /// <summary>
    /// 开票服务基类
    /// </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>());
            TenantDb.QueryFilter.Clear<IOrgId>();
        }

        /// <summary>
        /// 获取分页列表
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DataResult<InvoiceList>> GetListAsync(PageRequest<NumberQuery> request)
        {
            var query = TenantDb.Queryable<Entity.Invoice>()
                .LeftJoin<SysOrg>((i, s) => i.SaleDeptId == s.Id, "shippingweb8_dev.sys_org")
                .LeftJoin<SysUser>((i, s, u1) => i.LockUserId == s.Id, "shippingweb8_dev.sys_user")
                .LeftJoin<SysUser>((i, s, u1, u2) => i.OperatorId == s.Id, "shippingweb8_dev.sys_user")
                .WhereIF(!string.IsNullOrEmpty(request.OtherQueryCondition?.Number), i => i.BillNO.Contains(request.OtherQueryCondition.Number) || i.InvoiceNO.Contains(request.OtherQueryCondition.Number) ||
                    SqlFunc.Subqueryable<ApplicationDetail>().InnerJoin<FeeRecord>((d, f) => d.RecordId == f.Id && f.BusinessType == BusinessType.OceanShippingExport)
                    .InnerJoin<SeaExport>((d, f, s) => f.BusinessId == s.Id).Where((d, f, s) =>
                        s.CustomerNo.Contains(request.OtherQueryCondition.Number) || s.BookingNo.Contains(request.OtherQueryCondition.Number) ||
                        s.MBLNO.Contains(request.OtherQueryCondition.Number) || s.CustomerNum.Contains(request.OtherQueryCondition.Number)).Any())
                .Select((i, s, u1, u2) => new InvoiceDto
                {
                    CreateByName = i.CreateUserName,
                    SaleDeptName = s.OrgName,
                    LockUserName = u1.UserName,
                    OperatorName = u2.UserName,
                    InvoiceApplicationList = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<InvoiceApplication>((d, a) =>
                        d.ApplicationId == i.Id && d.RefId == a.Id)
                        //.WhereIF(request.OtherQueryCondition != null && !string.IsNullOrEmpty(request.OtherQueryCondition.Number),
                        //    (d, a) => a.ApplicationNO.Contains(request.OtherQueryCondition.Number))
                        .GroupBy((d, a) => a.ApplicationNO).ToList((d, a) => a.ApplicationNO),
                    ApplyAmountRMB = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<ApplicationDetail>((d1, d2) =>
                        d1.Id == d2.DetailId).Where((d1, d2) => d2.ApplicationId == i.Id && d1.Currency == FeeCurrency.RMB_CODE)
                        .Sum((d1, d2) => d1.ApplyAmount),
                    ApplyAmountUSD = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<ApplicationDetail>((d1, d2) =>
                        d1.Id == d2.DetailId).Where((d1, d2) => d2.ApplicationId == i.Id && d1.Currency == FeeCurrency.USD_CODE)
                        .Sum((d1, d2) => d1.ApplyAmount)
                }, true).MergeTable();

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

            if (result.Data?.Count > 0)
            {
            }

            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>()
                .LeftJoin<Entity.Invoice>((i, ri) => i.RedId == ri.Id)
                .LeftJoin<SysOrg>((i, ri, s) => i.SaleDeptId == s.Id, "shippingweb8_dev.sys_org")
                .LeftJoin<SysUser>((i, ri, s, u1) => i.LockUserId == s.Id, "shippingweb8_dev.sys_user")
                .LeftJoin<SysUser>((i, ri, s, u1, u2) => i.OperatorId == s.Id, "shippingweb8_dev.sys_user")
                .Select((i, ri, s, u1, u2) => new InvoiceDto
                {
                    RedNO = ri.InvoiceNO,
                    CreateByName = i.CreateUserName,
                    SaleDeptName = s.OrgName,
                    LockUserName = u1.UserName,
                    OperatorName = u2.UserName,
                    ApplyAmountRMB = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<ApplicationDetail>((d1, d2) =>
                        d1.Id == d2.DetailId).Where((d1, d2) => d2.ApplicationId == i.Id && d1.Currency == FeeCurrency.RMB_CODE)
                        .Sum((d1, d2) => d1.ApplyAmount),
                    ApplyAmountUSD = SqlFunc.Subqueryable<ApplicationDetail>().LeftJoin<ApplicationDetail>((d1, d2) =>
                        d1.Id == d2.DetailId).Where((d1, d2) => d2.ApplicationId == i.Id && d1.Currency == FeeCurrency.USD_CODE)
                        .Sum((d1, d2) => d1.ApplyAmount)
                }, true).FirstAsync(i => i.Id == id);

            if (invoice != null)
            {
                if (!string.IsNullOrEmpty(invoice.PushMode))
                {
                    invoice.PushModeValues = invoice.PushMode.Split(',', StringSplitOptions.RemoveEmptyEntries)
                        .Select(x => (PushMode)int.Parse(x)).ToArray();
                }

                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))
                        .Select(x => new InvoiceApplicationDto
                        {
                            Id = x.Id,
                            ApplicationNO = x.ApplicationNO,
                            Status = x.Status,
                            Currency = x.Currency,
                            InvoiceRemark = x.InvoiceRemark,
                            CreateBy = x.CreateBy,
                            CreateByName = x.CreateUserName,
                            ApplyAmountRMB = SqlFunc.Subqueryable<ApplicationDetail>().Where(y => x.Id == y.ApplicationId && y.Currency == FeeCurrency.RMB_CODE).Sum(y => y.ApplyAmount),
                            ApplyAmountUSD = SqlFunc.Subqueryable<ApplicationDetail>().Where(y => x.Id == y.ApplicationId && y.Currency == FeeCurrency.USD_CODE).Sum(y => y.ApplyAmount)
                        }).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="inquiry">业务ID与业务类型</param>
        /// <returns></returns>
        public virtual Task<DataResult<InvoiceApplicaitonBiz>> GetFeesAsync(DetailInquiry inquiry)
        {
            return Task.FromResult(DataResult<InvoiceApplicaitonBiz>.Success(new InvoiceApplicaitonBiz([])));
        }

#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,
                    InvoiceNO = x.InvoiceNO,
                    IsLocked = x.IsLocked,
                    IsSettled = x.IsSettled,
                    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));

            string? invRemark = null;
            //按申请开票
            if (request.Invoice.Mode == InvoiceMode.Applcation && request.Applications?.Count > 0)
            {
                var ids = request.Applications.Select(x => x.ApplicationId);
                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.ExchangeRate,
                        x.OriginalAmount,
                        x.Currency,
                        x.OriginalCurrency,
                        x.ProcessedAmount,
                        x.OriginalProcessedAmount,

                        y.CustomerId,
                        y.TaxRate,
                        y.TaxID, //税号
                        y.InvoiceHeader, //抬头
                        y.CustomerAddTel,
                        y.SaleDeptId,
                        y.PushMode,
                        y.CellPhoneNO,
                        y.Email,
                        y.InvoiceRemark,

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

                invRemark = string.Join(" | ", details.Where(x => !string.IsNullOrEmpty(x.InvoiceRemark)).Select(x => x.InvoiceRemark));
                //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));
                    }

                    //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 = item.Currency,
                        OriginalCurrency = item.OriginalCurrency,
                        ApplyAmount = item.ApplyAmount - item.ProcessedAmount,
                        OriginalAmount = item.OriginalAmount - item.OriginalProcessedAmount,
                        ExchangeRate = item.ExchangeRate
                    };

                    var app = request.Applications.Find(x => x.ApplicationId == item.ApplicationId);
                    if (app != null) //设置汇率
                    {
                        var er = app.ExchangeRates?.FirstOrDefault(x => x.Currency == detail.OriginalCurrency);
                        if (er != null)
                            detail.ExchangeRate = er.ExchangeRate;
                    }

                    invoice.Details.Add(detail);
                }

                DataResult result2;
                //执行开票金额分配
                foreach (var app in request.Applications)
                {
                    var details2 = invoice.Details.Where(x => x.RefId == app.ApplicationId).OrderBy(x => x.ApplyAmount).ToList();
                    if (app.AmountRMB.HasValue)
                    {
                        result2 = AssignAmount(details2.FindAll(x => x.Currency == FeeCurrency.RMB_CODE), app.AmountRMB.Value);
                        if (!result2.Succeeded)
                            return DataResult<TEntity>.Failed(result2.Message, result2.MultiCode);
                    }

                    if (app.AmountUSD.HasValue)
                    {
                        result2 = AssignAmount(details2.FindAll(x => x.Currency == FeeCurrency.USD_CODE), app.AmountUSD.Value);
                        if (!result2.Succeeded)
                            return DataResult<TEntity>.Failed(result2.Message, result2.MultiCode);
                    }

                    if (app.AmountOther.HasValue)
                    {
                        result2 = AssignAmount(details2.FindAll(x => x.Currency != FeeCurrency.RMB_CODE && x.Currency != FeeCurrency.USD_CODE), app.AmountOther.Value);
                        if (!result2.Succeeded)
                            return DataResult<TEntity>.Failed(result2.Message, result2.MultiCode);
                    }

                }

                invoice.Details.RemoveAll(x => !x.Assigned);
            }
            //自由开票
            else if (request.Invoice.Mode == InvoiceMode.Free)
            {
                if (request.FreeInvoice?.Items.Count > 0)
                {
                    var result2 = await GetFeesAsync(request.FreeInvoice);
                    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.FreeInvoice.Items.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();
                }
            }

            if (invoice.Id == 0)
            {
                if (request.Invoice.Mode == InvoiceMode.Free)
                {
                    //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 orgId = invoice.SaleDeptId.GetValueOrDefault() == 0 ? User.OrgId : invoice.SaleDeptId;
                var org = await Db.Queryable<SysOrg>().LeftJoin<SysOrgAuth>((t, a) => t.Id == a.OrgId).Where((t, a) => t.Id == orgId).Select((t, a) => new { t.OrgFullName, t.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;
                }

                if (!string.IsNullOrEmpty(invRemark))
                    invoice.InvoiceRemark += Environment.NewLine + invRemark;
            }

            //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;
                    invoice.Type = InvoiceType.Blue;
                    //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.InvoiceRemark,
                        x.Note
                    }).ExecuteCommandAsync();

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

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

        internal static DataResult AssignAmount(List<ApplicationDetail> details, decimal invoiceAmount, string currency = FeeCurrency.RMB_CODE)
        {
            if (details.Count == 0)
                return DataResult.Success;

            if (invoiceAmount == 0)
                return DataResult.Failed("开票金额不能为零");

            var totalAmount = details.Sum(x => x.ApplyAmount);
            if (Math.Abs(invoiceAmount) > totalAmount)
                return DataResult.Failed("申请开票金额不能大于剩余发票金额");

            decimal rest = invoiceAmount;
            decimal currentAmount = default;
            foreach (var detail in details)
            {
                if (rest <= 0)
                    break;

                if (totalAmount != invoiceAmount) //非全额开
                {
                    if (rest >= detail.ApplyAmount)
                    {
                        rest -= detail.ApplyAmount;
                    }
                    else
                    {
                        detail.ApplyAmount = rest;
                        rest = 0;
                    }
                }
                currentAmount = detail.ApplyAmount;

                if (detail.Currency == currency)
                {
                    if (detail.Currency == detail.OriginalCurrency)
                    {
                        detail.OriginalAmount = detail.ApplyAmount;
                    }
                    else
                    {
                        detail.OriginalAmount = detail.ApplyAmount / detail.ExchangeRate.Value;
                    }
                    detail.ExchangeRate = 1;
                }
                else //开票币别与费用币别不一致
                {
                    detail.ExchangeRate ??= 1;
                    detail.ApplyAmount *= detail.ExchangeRate.Value;

                    if (detail.OriginalCurrency == detail.Currency)
                    {
                        detail.OriginalAmount = currentAmount;
                    }
                    else
                    {
                        detail.OriginalAmount = currentAmount * detail.ExchangeRate.Value;
                    }

                    detail.Currency = currency;
                }

                detail.Assigned = true;
            }

            return DataResult.Success;
        }

        /// <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;

            invoice.InvoiceDetails ??= [];
            var currencies = invoice.Details.Select(x => x.OriginalCurrency).Distinct();
            var codeList = await TenantDb.Queryable<CodeInvoice>()
                .Where(ci => currencies.Contains(ci.DefaultCurrency) && ci.IsDefault)
                .Select(ci => new
                {
                    ci.Id,
                    ci.Name,
                    ci.DefaultCurrency,
                    ci.TaxRate,
                    ci.Specification,
                    ci.Unit
                }).ToListAsync();

            foreach (var detail in invoice.Details)
            {
                var code = codeList.Find(x => x.DefaultCurrency == detail.OriginalCurrency);
                if (code == null || string.IsNullOrEmpty(code.Name))
                    continue;

                if (option == BuildOption.Create && codeList.IndexOf(code) == 0)//取第一条发票代码税率
                    invoice.TaxRate = code.TaxRate;

                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,
                        Currency = FeeCurrency.RMB_CODE,
                        Quantity = 1,
                        TaxUnitPrice = detail.ApplyAmount,
                        TaxRate = code.TaxRate,
                        Specification = code.Specification,
                        Unit = code.Unit,
                        Category = DetailCategory.InvoiceIssuance
                    };

                    invDetail.Amount = invDetail.TaxUnitPrice;
                    invoice.InvoiceDetails.Add(invDetail);
                }
                else
                {
                    invDetail.Amount += detail.ApplyAmount;
                    invDetail.UnitPrice = invDetail.TaxUnitPrice = invDetail.Amount;
                }
            }

            foreach (var item in invoice.InvoiceDetails)
            {
                item.TaxAmount = item.Amount * (invoice.TaxRate / 100);
                item.UnitPrice = item.TaxUnitPrice - item.TaxAmount;
                item.Amount = item.TaxUnitPrice * item.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.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.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)
            {
                if (dbValue.IsLocked)
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsLocked));

                if (!string.IsNullOrEmpty(dbValue.InvoiceNO))
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsIssued));

                if (dbValue.IsSettled)
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsSettled));
            }

            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));

            if (invoices.Any(x => !string.IsNullOrEmpty(x.InvoiceNO)))
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsIssued));

            //var ids = invoices.Select(x => x.Id);
            //if (TenantDb.Queryable<ApplicationDetail>().Any(x => ids.Contains(x.RefId.Value) && x.Category == DetailCategory.InvoiceSettlement))
            //    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsSettled));

            if (invoices.Any(x => x.IsSettled))
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.InvoiceIsSettled));

            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 ids = invoices.Select(x => x.Id);

            if (deleteOption == DeleteOption.DetailOnly)
            {
                var excludeIds = invoices.SelectMany(x => x.Details).Select(x => x.Id);
                var details = await TenantDb.Queryable<ApplicationDetail>().Where(x => ids.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.InvoiceAmount = item.InvoiceDetails.Sum(x => x.Amount);
                }
            }
            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 => ids.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));
        }
    }

}