namespace CounsellorBL
{
    using MonumentDefine;
    using Newtonsoft.Json.Linq;
    using OT.COM.ArsenalDB;
    using OT.COM.SignalerMessage;
    using SoldierData.EnterprizeV4;
    using System;
    using System.Collections.Generic;
    using System.Linq;

    /// <summary>
    /// For simple detail table, edit(create, update, delete) also update master's update column
    /// </summary>
    /// <typeparam name="TEntityDtl"></typeparam>
    /// <typeparam name="TEntityMst"></typeparam>
    public abstract class DetailDataTableTemplate<TEntityDtl, TEntityMst> : ModelDataTemplate<TEntityDtl>
        where TEntityDtl : EntityBase, new()
         where TEntityMst : EntityBase, new()
    {
        protected abstract string DetailColumnNameToMasterUID { get; }
        /// <summary>
        /// Key is detail column, value is mater column
        /// </summary>

        protected virtual Dictionary<string, string> generateMasterDetailJoinCondition()
        {
            return new Dictionary<string, string>() { { DetailColumnNameToMasterUID, BLWording.UID } };
        }

        protected virtual string fetchMasterUIDFromCommand(Dictionary<string, object> i_dicData)
        {
            string sRes = null;

            if (i_dicData != null && i_dicData.ContainsKey(DetailColumnNameToMasterUID))
            {
                sRes = i_dicData[DetailColumnNameToMasterUID].ToString();
            }
            return sRes;
        }


        protected DetailDataTableTemplate()
        {
            dgCreateCommandGenerator = createDetailCommandGeneratorDefault;

            dgReadCommandGenerator = readCommandGeneratorDefault;

            dgUpdateCommandGenerator = updateDetailCommandGeneratorDefault;

            dgDeleteCommandGenerator = deleteDetailCommandGeneratorDefault;

            dgCopyCommandGenerator = copyCommandGeneratorDefault;
        }

        protected string getMasterUpdate(JArray i_jaData, tb_sys_session i_sSessionUser, out List<Command> o_lcCmds)
        {
            string sMsg = null;
            List<Command> lCmds = new List<Command>();


            do
            {
                List<string> lsDetailColumnUID = new List<string>();
                List<string> lsMasterColumnUID = new List<string>();

                if(i_jaData == null)
                {
                    sMsg = MessageWording.PARAM_NOT_EXPECTED;
                    break;
                }

                foreach (JToken jtkItem in i_jaData)
                {
                    Dictionary<string, object> dicItem = jtkItem.ToObject<Dictionary<string, object>>();
                    if (dicItem.ContainsKey(BLWording.WHEREDATA))
                    {
                        Dictionary<string, object> dicWheredata = (dicItem[BLWording.WHEREDATA] as JToken).ToObject<Dictionary<string, object>>();
                        if (!dicWheredata.ContainsKey(BLWording.UID))
                        {
                            sMsg = MessageWording.PARAM_NOT_EXPECTED;
                            break;
                        }
                        lsDetailColumnUID.Add(dicWheredata[BLWording.UID].ToString());
                    }
                    else if (dicItem.ContainsKey(BLWording.DATA))
                    {
                        Dictionary<string, object> dicData = (dicItem[BLWording.DATA] as JToken).ToObject<Dictionary<string, object>>();
                        if (dicData != null)
                        {
                            string sMasterUID = fetchMasterUIDFromCommand(dicData);
                            if (sMasterUID != null)
                            {
                                lsMasterColumnUID.Add(sMasterUID);
                            }
                        }
                    }
                }

                if (lsDetailColumnUID.Any())
                {
                    WhereNode wnCond = new WhereNode(BLWording.UID, WhereNode.EColumnOperation.EOT_IN, typeof(TEntityDtl), lsDetailColumnUID.ToArray());

                    QueryJsonElementCollection qjecBlocks = new QueryJsonElementCollection();

                    QueryJsonElement qjeA = qjecBlocks.GetInst();
                    qjeA.table = typeof(TEntityMst).GetField("TABLENAME").GetValue(null).ToString();
                    qjeA.displaycols = new List<string>() { BLWording.UID };
                    qjeA.isdistinct = true;
                    qjecBlocks.Add(qjeA);

                    QueryJsonElement qjeB = qjecBlocks.GetInst();
                    qjeB.table = typeof(TEntityDtl).GetField("TABLENAME").GetValue(null).ToString();
                    qjeB.jointype = QueryJsonElement.RIGHT_JOIN;
                    qjeB.jointable = qjeA;
                    qjeB.joincols = generateMasterDetailJoinCondition();
                    qjeB.wherecols = wnCond;

                    qjecBlocks.Add(qjeB);
                    sMsg = MakeSelectJoinByBlocks(qjecBlocks, out Command cSelect);

                    if (sMsg != null)
                    {
                        break;
                    }

                    ArsenalInterface ai = ArsenalDBMgr.GetInst(cSelect);
                    List<TEntityMst> laAPIs = ai.RunQueryList<TEntityMst>(cSelect);

                    laAPIs.ForEach(a => { lsMasterColumnUID.Add(a.GetValue(BLWording.UID).ToString()); });
                }

                DateTime dtNow = DateTime.Now;
                lsMasterColumnUID.ForEach(sMstUID =>
                {
                    TEntityMst aData = new TEntityMst();
                    aData.SetValue(BLWording.UPDATE_DATE, dtNow);
                    aData.SetValue(BLWording.UPDATE_USER_UID, i_sSessionUser.update_user_uid);
                    aData.SetValue(BLWording.UPDATE_ORG_UID, i_sSessionUser.update_org_uid);
                    TEntityMst aCond = new TEntityMst();
                    aCond.SetValue(BLWording.UID, sMstUID);
                    lCmds.Add(Command.SetupUpdateCmd(aData, aCond));
                });
            }
            while (false);


            o_lcCmds = lCmds;
            return sMsg;
        }

        private string _EditDetailCommandGeneratorDefault(
            DG_GenerateEditCommand i_dgEditor,
            CRequestMessage i_crmInput, JArray i_jaData, tb_sys_session i_sSessionUser, out List<Command> o_lcCmds, List<string> i_saQryContainKeys)
        {
            string sMsg;
            List<Command> lCmds = new List<Command>();

            do
            {
                sMsg = i_dgEditor(i_crmInput, i_jaData, i_sSessionUser, out List<Command> lCmds1, i_saQryContainKeys);

                if (sMsg != null)
                {
                    break;
                }

                sMsg = getMasterUpdate(i_jaData, i_sSessionUser, out List<Command> lCmds2);
                if (sMsg != null)
                {
                    break;
                }

                lCmds.AddRange(lCmds1);
                lCmds.AddRange(lCmds2);

            }
            while (false);


            o_lcCmds = lCmds;
            return sMsg;
        }

        protected string createDetailCommandGeneratorDefault(CRequestMessage i_crmInput, JArray i_jaData, tb_sys_session i_sSessionUser, out List<Command> o_lcCmds, List<string> i_saQryContainKeys,
            [System.Runtime.CompilerServices.CallerLineNumber] int i_nCodeLine = 0,
            [System.Runtime.CompilerServices.CallerMemberName] string i_sMemberName = "",
            [System.Runtime.CompilerServices.CallerFilePath] string i_sSourcePath = "")
        {
            return _EditDetailCommandGeneratorDefault(createSingleCommandGeneratorDefault, i_crmInput, i_jaData, i_sSessionUser, out o_lcCmds, i_saQryContainKeys);
        }


        protected string updateDetailCommandGeneratorDefault(CRequestMessage i_crmInput, JArray i_jaData, tb_sys_session i_sSessionUser, out List<Command> o_lcCmds, List<string> i_saQryContainKeys,
            [System.Runtime.CompilerServices.CallerLineNumber] int i_nCodeLine = 0,
            [System.Runtime.CompilerServices.CallerMemberName] string i_sMemberName = "",
            [System.Runtime.CompilerServices.CallerFilePath] string i_sSourcePath = "")
        {
            return _EditDetailCommandGeneratorDefault(updateSingleCommandGeneratorDefault, i_crmInput, i_jaData, i_sSessionUser, out o_lcCmds, i_saQryContainKeys);
        }

        protected string deleteDetailCommandGeneratorDefault(CRequestMessage i_crmInput, JArray i_jaData, tb_sys_session i_sSessionUser, out List<Command> o_lcCmds, List<string> i_saQryContainKeys,
            [System.Runtime.CompilerServices.CallerLineNumber] int i_nCodeLine = 0,
            [System.Runtime.CompilerServices.CallerMemberName] string i_sMemberName = "",
            [System.Runtime.CompilerServices.CallerFilePath] string i_sSourcePath = "")
        {
            return _EditDetailCommandGeneratorDefault(deleteSingleCommandGeneratorDefault, i_crmInput, i_jaData, i_sSessionUser, out o_lcCmds, i_saQryContainKeys);
        }
    }
}