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.Invoice.Interface;
using DS.WMS.Core.Sys.Entity;
using SqlSugar;

namespace DS.WMS.Core.Invoice.Method
{
    /// <summary>
    /// 标准（按申请）开票实现
    /// </summary>
    public class GeneralInvoiceService : InvoiceService<Entity.Invoice>, IGeneralInvoiceService
    {
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="provider"></param>
        public GeneralInvoiceService(IServiceProvider provider) : base(provider)
        {
        }

        /// <summary>
        /// 获取发票申请分页列表
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DataResult<List<InvoiceApplicationDto>>> GetApplicationListAsync(PageRequest request)
        {
            var query = TenantDb.Queryable<InvoiceApplication>()
                .Where(a => (a.Status == InvoiceApplicationStatus.AuditPassed || a.Status == InvoiceApplicationStatus.PartialInvoiced) &&
                    SqlFunc.Subqueryable<ApplicationDetail>().Where(d => d.ApplicationId == a.Id && (d.OriginalAmount - d.OriginalProcessedAmount) != 0).Any())
                .Select(a => new InvoiceApplicationDto
                {
                    Id = a.Id,
                    ApplicationNO = a.ApplicationNO,
                    Status = a.Status,
                    CustomerId = a.CustomerId,
                    CustomerName = a.CustomerName, //结算单位
                    InvoiceHeader = a.InvoiceHeader,
                    ApplyAmount = a.ApplyAmount,
                    InvoiceAmount = a.InvoiceAmount,
                    Currency = a.Currency,
                    Category = a.Category,
                    OrgId = a.OrgId, //所属部门
                    SaleDeptId = a.SaleDeptId, //所属分部
                    CreateBy = a.CreateBy, //申请人
                    CreateTime = a.CreateTime, //申请日期
                    InvoiceRemark = a.InvoiceRemark, //开票要求
                    Note = a.Note,
                    //原币金额
                    OriginalAmountList = SqlFunc.Subqueryable<ApplicationDetail>().Where(y => a.Id == y.ApplicationId)
                    .GroupBy(y => y.OriginalCurrency).ToList(y => new CurrencyAmount { Currency = y.OriginalCurrency, Amount = y.OriginalAmount })
                });

            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).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)
                    .Union(result.Data.Where(x => x.OrgId.HasValue).Select(x => x.OrgId))
                    .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.SaleDeptName = orgs.Find(x => x.Id == item.SaleDeptId)?.OrgName;
                    item.OrgName = orgs.Find(x => x.Id == item.OrgId)?.OrgName;
                }
            }

            return result;
        }

        /// <summary>
        /// 获取发票申请明细
        /// </summary>
        /// <param name="ids">申请单ID</param>
        /// <returns></returns>
        public async Task<DataResult<List<InvoiceApplicationDetailDto>>> GetApplicationDetailsAsync(params long[] ids)
        {
            var query = CreateApplicationDetailQuery((d, f, s) => ids.Contains(d.ApplicationId) && d.Category == DetailCategory.InvoiceApplication && (d.OriginalAmount - d.OriginalProcessedAmount) != 0);

            var details = await TenantDb.Queryable(query).LeftJoin<InvoiceApplication>((x, y) => x.ApplicationId == y.Id)
                .Select((x, y) => new InvoiceApplicationDetailDto
                {
                    Id = x.Id,
                    ApplicationId = x.ApplicationId,
                    BusinessId = x.BusinessId,
                    BusinessType = x.BusinessType,
                    RecordId = x.RecordId,
                    FeeName = x.FeeName,
                    FeeType = x.FeeType,
                    ApplyAmount = x.ApplyAmount,
                    RestAmount = x.ApplyAmount - x.ProcessedAmount,
                    OriginalCurrency = x.OriginalCurrency, //原始币别
                    ExchangeRate = x.ExchangeRate, //折算汇率
                    OriginalAmount = x.OriginalAmount, //原始金额
                    SaleName = x.SaleName,
                    CustomerNo = x.CustomerNo,
                    MBLNO = x.MBLNO,
                    ClientName = x.ClientName,
                    ETD = x.ETD,
                    SourceName = x.SourceName,
                    AuditTime = y.AuditTime
                }).ToListAsync();

            return DataResult<List<InvoiceApplicationDetailDto>>.Success(details);
        }

        protected override Task<DataResult> PreSaveAsync(Entity.Invoice invoice)
        {
            invoice.Type = InvoiceType.Applcation;

            return Task.FromResult(DataResult.Success);
        }

        protected override Task PostSaveAsync(Entity.Invoice invoice)
        {
            return Task.Factory.StartNew(UpdateInvoiceApplications, new List<Entity.Invoice> { invoice });
        }

        protected override async Task OnDeleteDetailAsync(List<Entity.Invoice> invoices, DeleteOption deleteOption)
        {
            var list = invoices.SelectMany(x => x.Details).Where(x => x.DetailId.HasValue).Select(x => new ApplicationDetail
            {
                Id = x.DetailId.GetValueOrDefault(),
                ProcessedAmount = x.ApplyAmount,
                OriginalProcessedAmount = x.OriginalAmount
            }).ToList();
            //恢复发票申请明细的已处理金额
            await TenantDb.Updateable(list)
                .PublicSetColumns(x => x.ProcessedAmount, "-").PublicSetColumns(x => x.OriginalProcessedAmount, "-")
                .UpdateColumns(x => new { x.ProcessedAmount, x.OriginalProcessedAmount })
                .ExecuteCommandAsync();

            await base.OnDeleteDetailAsync(invoices, deleteOption);
        }

        protected override Task PostDeleteAsync(List<Entity.Invoice> invoices, DeleteOption deleteOption)
        {
            return Task.Factory.StartNew(UpdateInvoiceApplications, invoices);
        }

        //更新发票申请的状态
        void UpdateInvoiceApplications(object? state)
        {
            var list = state as IEnumerable<Entity.Invoice>;
            if (list == null || !list.Any())
                return;

            var ids = list.SelectMany(x => x.Details).Where(x => x.RefId.HasValue).Select(x => x.RefId.GetValueOrDefault()).Distinct().ToList();
            var appDetails = TenantDb.Queryable<ApplicationDetail>().Where(d => ids.Contains(d.ApplicationId))
                .Select(d => new ApplicationDetail
                {
                    Id = d.Id,
                    ApplicationId = d.ApplicationId,
                    OriginalAmount = d.OriginalAmount,
                    OriginalProcessedAmount = d.OriginalProcessedAmount
                }).ToList();

            List<InvoiceApplication> list2 = new(ids.Count);
            foreach (var id in ids)
            {
                var entity = new InvoiceApplication { Id = id };
                var inv = list.FirstOrDefault(x => x.Details.Any(y => y.RefId == id));
                entity.AcutalInvoiceNO = inv?.InvoiceNO;

                var details = appDetails.FindAll(x => x.ApplicationId == id);
                if (details.All(x => x.OriginalAmount == x.OriginalAmount - x.OriginalProcessedAmount))
                {
                    entity.Status = InvoiceApplicationStatus.Invoiced;
                    list2.Add(entity);
                }
                else if (details.All(x => x.OriginalAmount - x.OriginalProcessedAmount == 0))
                {
                    entity.Status = InvoiceApplicationStatus.AuditPassed;
                    list2.Add(entity);
                }
                else if (details.Exists(x => x.OriginalAmount != x.OriginalAmount - x.OriginalProcessedAmount))
                {
                    entity.Status = InvoiceApplicationStatus.PartialInvoiced;
                    list2.Add(entity);
                }
            }

            TenantDb.Updateable(list2).UpdateColumns(x => new { x.Status, x.AcutalInvoiceNO }).ExecuteCommand();
        }
    }
}