using System;
using System.Collections.Generic;
using Kingdee.BOS.Util;
using Kingdee.BOS.Core.Metadata;
using Kingdee.BOS.Core.Metadata.EntityElement;
using Kingdee.BOS.Core.DynamicForm.PlugIn;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kingdee.BOS.Orm.DataEntity;
using Kingdee.BOS.Contracts;
using Kingdee.BOS.App;
using Kingdee.BOS.Core.Metadata.FieldElement;
using System.ComponentModel;
using Kingdee.BOS.ServiceHelper;

namespace Demo.DynamicForm.PRD
{
    /// <summary>
    /// 插件示例：引入销售出库单，建立与销售订单的关联
    /// </summary>
    /// <remarks>
    /// 要求：
    /// 1. 需要引入单据体的源单类型、源单编号字段
    /// 2. 本插件挂在销售出库单的保存操作上
    /// 出库关联销售订单
    /// </remarks>
    [Description("引入生产领料单，建立与生产订单的关联,日计划用料清单")]
    [HotUpdate]
    public class Pro_MaterialRequisitionAuditDayPlan : AbstractOperationServicePlugIn
    {
        public override void OnPreparePropertys(PreparePropertysEventArgs e)
        {
            base.OnPreparePropertys(e);
            e.FieldKeys.Add("FSrcBillType");
            e.FieldKeys.Add("FSrcBillNo");
            e.FieldKeys.Add("FID");
            e.FieldKeys.Add("FTreeEntity_FEntryID");
            e.FieldKeys.Add("FBillNo");
            e.FieldKeys.Add("FBFLowId");
            e.FieldKeys.Add("FMaterialId");
            e.FieldKeys.Add("FBaseUnitQty");
            e.FieldKeys.Add("FBaseJoinQty");
        }
        private const string POFormId = "PRD_PPBOM";
        public override void BeforeExecuteOperationTransaction(BeforeExecuteOperationTransaction e)
        {
            base.BeforeExecuteOperationTransaction(e);
            HashSet<string> poBillNos = new HashSet<string>();
            Entity entity = this.BusinessInfo.GetEntity("FEntity");//获取明细信息
            Entity linkEntry = this.BusinessInfo.GetEntity("FEntity_Link");
            Field fldSrcFormId = this.BusinessInfo.GetField("FSrcBillType");
            Field fldSrcBillNo = this.BusinessInfo.GetField("FSrcBillNo");
            // 对单据体进行循环，取关联的源单编号
            foreach (var billObj in e.SelectedRows)
            {
                DynamicObjectCollection entryRows = entity.DynamicProperty.GetValue(billObj.DataEntity)
                            as DynamicObjectCollection;
                foreach (var entryRow in entryRows)
                {
                    string srcFormId = "";
                    string srcSrcBillNo = "";
                    try
                    {
                        srcFormId = "PRD_PPBOM";
                        srcSrcBillNo = fldSrcBillNo.DynamicProperty.GetValue<string>(entryRow);
                        srcSrcBillNo = DBServiceHelper.ExecuteScalar<string>(Context, $" select distinct FPPBOMBILLNO from T_PRD_PICKMTRLDATA where FSRCBILLNO = '{srcSrcBillNo}' ", srcSrcBillNo);

                    }
                    catch (Exception)
                    {
                    }
                    if (string.IsNullOrWhiteSpace(srcFormId)
                        || string.IsNullOrWhiteSpace(srcSrcBillNo)
                        )
                    {// 源单不是采购订单，略过
                        continue;
                    }
                    // 源单编号已经登记，不再重复记录，略过
                    if (poBillNos.Contains(srcSrcBillNo)) continue;
                    // Link已经记录了源单信息，略过
                    //DynamicObjectCollection linkRows = linkEntry.DynamicProperty.GetValue(entryRow)
                    //        as DynamicObjectCollection;
                    //if (linkRows.Count > 0) continue;
                    bool Ret = SourceVerification(Convert.ToString(entryRow["Id"]));
                    if (!Ret) continue;

                    poBillNos.Add(srcSrcBillNo);
                }
            }
            if (poBillNos.Count == 0) return;
            DynamicObject[] poObjs = this.LoadPurchaseOrder(poBillNos);
            if (poObjs == null || poObjs.Length == 0) return;
            Dictionary<string, Dictionary<string, DynamicObject>> dctAllBills = this.BuildDictionary(poObjs);
            string srcTableNumber = this.GetPOEntryTableNumber();
            List<DynamicObject> allNewLinkRows = new List<DynamicObject>();
            // 循环单据体，为单据体，建立起源单关联信息：
            foreach (var billObj in e.SelectedRows)
            {
                DynamicObjectCollection entryRows = entity.DynamicProperty.GetValue(billObj.DataEntity)
                            as DynamicObjectCollection;
                foreach (var entryRow in entryRows)
                {
                    string srcSrcBillNo = fldSrcBillNo.DynamicProperty.GetValue<string>(entryRow);
                    string srcFormId = "PRD_PPBOM";
                    srcSrcBillNo = DBServiceHelper.ExecuteScalar<string>(Context, $" select distinct FPPBOMBILLNO from T_PRD_PICKMTRLDATA where FSRCBILLNO = '{srcSrcBillNo}' ", srcSrcBillNo);


                    if (string.IsNullOrWhiteSpace(srcFormId)
                        || string.IsNullOrWhiteSpace(srcSrcBillNo)
                      )
                    {// 源单不是销售订单，略过
                        continue;
                    }
                    Dictionary<string, DynamicObject> dctOneBill = null;
                    if (dctAllBills.TryGetValue(srcSrcBillNo, out dctOneBill) == false) continue;
                    DynamicObject materialObj = entryRow["MaterialId"] as DynamicObject;
                    if (materialObj == null) continue;
                    string materialNumber = Convert.ToString(materialObj["number"]);
                    DynamicObject srcRow = null;
                    if (dctOneBill.TryGetValue(materialNumber, out srcRow) == false) continue;
                    // Link已经记录了源单信息，略过
                    bool Ret = SourceVerification(Convert.ToString(entryRow["Id"]));
                    if (!Ret) continue;

                    DynamicObjectCollection linkRows = linkEntry.DynamicProperty.GetValue(entryRow)
                            as DynamicObjectCollection;
                    linkRows.Clear();
                    DynamicObject linkRow = new DynamicObject(linkEntry.DynamicObjectType);
                    linkRow["STableName"] = srcTableNumber;
                    this.FillLinkRow(srcRow, entryRow, linkRow);
                    linkRows.Add(linkRow);
                    allNewLinkRows.Add(linkRow);
                }
            }   
            // 为新建的源单关联信息，设置内码
            IDBService dbService = ServiceHelper.GetService<IDBService>();
            dbService.AutoSetPrimaryKey(this.Context, allNewLinkRows.ToArray(), linkEntry.DynamicObjectType);
        }

        /// <summary>
        /// 加载相关的销售订单数据
        /// </summary>
        /// <param name="poBillNos"></param>
        /// <returns></returns>
        private DynamicObject[] LoadPurchaseOrder(HashSet<string> poBillNos)
        {
            IViewService viewService = ServiceHelper.GetService<IViewService>();
            string formId = "PRD_PPBOM";

            // 指定需要加载的销售订单字段
            List<SelectorItemInfo> fields = new List<SelectorItemInfo>();
            fields.Add(new SelectorItemInfo("FID"));        // 单据主键
            fields.Add(new SelectorItemInfo("FTreeEntity_FEntryID"));     // 单据体主键
            fields.Add(new SelectorItemInfo("FBillNo"));    // 单据编号
            fields.Add(new SelectorItemInfo("FBFLowId"));    // 业务流程
            fields.Add(new SelectorItemInfo("FMaterialId"));    // 物料
            fields.Add(new SelectorItemInfo("FMaterialID2"));    // 物料
            fields.Add(new SelectorItemInfo("FBASENEEDQTY"));           // 基本单位数量
            fields.Add(new SelectorItemInfo("FBASEPICKEDQTY"));           // 基本单位关联数量
            fields.Add(new SelectorItemInfo("FBFLOWID"));           //  

            // 指定过滤条件
            string filter = string.Format(" FBillNo IN ('{0}') ", string.Join("','", poBillNos));
            OQLFilter ofilter = OQLFilter.CreateHeadEntityFilter(filter);
            var objs = viewService.Load(this.Context, formId, fields, ofilter);
            return objs;
        }
        /// <summary>
        /// 把销售订单单据体行构建为字典：Dictionary(单据编号, Dictionary(物料编码, 源单行));
        /// </summary>
        /// <param name="poObjs"></param>
        /// <returns></returns>
        private Dictionary<string, Dictionary<string, DynamicObject>> BuildDictionary(DynamicObject[] poObjs)
        {
            Dictionary<string, Dictionary<string, DynamicObject>> dctAllBills =
                new Dictionary<string, Dictionary<string, DynamicObject>>();
            foreach (var poObj in poObjs)
            {
                string billNo = Convert.ToString(poObj["BillNo"]);
                Dictionary<string, DynamicObject> dctOneBill = new Dictionary<string, DynamicObject>();
                DynamicObjectCollection entryRows = poObj["PPBomEntry"] as DynamicObjectCollection;
                foreach (var entryRow in entryRows)
                {
                    DynamicObject materialObj = entryRow["MaterialId"] as DynamicObject;
                    if (materialObj == null) continue;
                    string materialNumber = Convert.ToString(materialObj["number"]);
                    dctOneBill[materialNumber] = entryRow;
                }
                dctAllBills.Add(billNo, dctOneBill);
            }
            return dctAllBills;
        }
        /// <summary>
        /// 获取销售订单关联主实体表格编码
        /// </summary>
        /// <returns></returns>
        private string GetPOEntryTableNumber()
        {
            IBusinessFlowService bfMetaService = ServiceHelper.GetService<IBusinessFlowService>();
            var tableDefine = bfMetaService.LoadTableDefine(this.Context, POFormId, "FEntity");
            return tableDefine.TableNumber;
        }
        /// <summary>
        /// 填写源单信息
        /// </summary>
        /// <param name="srcRow">源单行</param>
        /// <param name="toRow">目标单行</param>
        /// <param name="linkRow">关联行</param>
        private void FillLinkRow(DynamicObject srcRow, DynamicObject toRow, DynamicObject linkRow)
        {
            linkRow["FlowId"] = srcRow["BFLowId_Id"];
            linkRow["FlowLineId"] = 0;
            linkRow["RuleId"] = "PRD_PPBOM2PICKMTRL_NORMAL";
            linkRow["SBillId"] = ((DynamicObject)srcRow.Parent)[0];
            linkRow["SId"] = srcRow[0];
            // 原始携带量
            decimal baseUnitQty = Convert.ToDecimal(srcRow["BaseNeedQty"]);//用料清单单位数量
            decimal joinUnitQty = Convert.ToDecimal(srcRow["BasePickedQty"]);//用料清单单位领料数量
            linkRow["BaseActualQtyOld"] = baseUnitQty - joinUnitQty;
            linkRow["BaseActualQty"] = toRow["BASEACTUALQTY"]; //基本单位实发数量
        }

        /// <summary>
        /// 验证是否生成过生产用料清单对应的源单
        /// </summary>
        /// <returns></returns>
        public bool SourceVerification(string FTID)
        {
            string sql = $" select count(*) from T_BF_INSTANCEENTRY where FSTABLENAME= 'T_PRD_PPBOMENTRY' and FTID = '{FTID}'";
            int count = DBServiceHelper.ExecuteScalar<int>(Context, sql, 0);
            if (count == 0)
                return true;
            else
                return false;
        }

    }
}