using Kingdee.BOS;
using Kingdee.BOS.Core;
using Kingdee.BOS.Core.DynamicForm.PlugIn;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kingdee.BOS.Orm.DataEntity;
using Kingdee.BOS.Util;
using System;
using System.Collections;
using System.ComponentModel;

namespace MyCompany.MyProject.OperationPlugIn
{
    /// <summary>
    /// 操作服务插件骨架。
    /// 访问位：FieldKeys.Add → Key；e.DataEntitys / entry 索引 → PropertyName。
    /// 见 skills/_shared/api-surface-contract.md、three-identifiers.md。
    /// </summary>
    [Description("操作服务插件"), HotUpdate]
    public class OperationPluginTemplate : AbstractOperationServicePlugIn
    {
        public override void OnPrepareOperationServiceOption(OnPrepareOperationServiceEventArgs e)
        {
            base.OnPrepareOperationServiceOption(e);
            e.SupportTransaction = true;
            e.SurportBatchTransaction = false;
        }

        public override void OnPreparePropertys(PreparePropertysEventArgs e)
        {
            base.OnPreparePropertys(e);
            // 预加载位 → Key（标识）
            e.FieldKeys.Add("FQty");
            e.FieldKeys.Add("FAmount");
        }

        public override void OnAddValidators(AddValidatorsEventArgs e)
        {
            base.OnAddValidators(e);
        }

        public override void BeforeExecuteOperationTransaction(BeforeExecuteOperationTransaction e)
        {
            base.BeforeExecuteOperationTransaction(e);
            if (e.DataEntitys == null) return;

            foreach (var entity in e.DataEntitys)
            {
                // 数据包位 → PropertyName（以元数据为准；下例为假设，勿口算去 F）
                // 假设 PropertyName: Amount, SaleOrderEntry, Qty
                decimal amount = Convert.ToDecimal(entity["Amount"] ?? 0);
                if (amount <= 0)
                    throw new KDException("", "金额必须大于零");

                var entries = entity["SaleOrderEntry"] as IEnumerable;
                if (entries == null) continue;
                int row = 0;
                foreach (var rowObj in entries)
                {
                    var entry = rowObj as DynamicObject;
                    if (entry == null) { row++; continue; }
                    decimal qty = Convert.ToDecimal(entry["Qty"] ?? 0);
                    if (qty <= 0)
                        throw new KDException("", $"第 {row + 1} 行数量必须大于零");
                    row++;
                }
            }
        }

        public override void BeginOperationTransaction(BeginOperationTransactionArgs e)
        {
            base.BeginOperationTransaction(e);
            foreach (var billObj in e.DataEntitys)
            {
                string billId = Convert.ToString(billObj["Id"]);
                string billNo = Convert.ToString(billObj["BillNo"]); // PropertyName
            }
        }

        public override void EndOperationTransaction(EndOperationTransactionArgs e)
        {
            base.EndOperationTransaction(e);
        }

        public override void RollbackData(OperationRollbackDataArgs e)
        {
            base.RollbackData(e);
        }

        public override void AfterExecuteOperationTransaction(AfterExecuteOperationTransaction e)
        {
            base.AfterExecuteOperationTransaction(e);
            foreach (var billObj in e.DataEntitys)
            {
                var result = new OperateResult { SuccessStatus = true, Message = "完成" };
                this.OperationResult.OperateResult.Add(result);
            }
        }
    }
}