using System;

using HH.WCS.Mobox3.DSZSH.Consts;
using HH.WCS.Mobox3.DSZSH.Helpers;
using HH.WCS.Mobox3.DSZSH.Models;

using Newtonsoft.Json;

namespace HH.WCS.Mobox3.DSZSH.ServiceCore {
    public class OutboundCore {
        public static void CheckOrderState() {
            var db = DbHelper.GetDbClient();
            try {
                var order = db.Queryable<TN_Outbound_Order>()
                    .Where(c => c.N_B_STATE == SpotStateCode.已执行待生成任务) 
                    .OrderBy(c => c.T_CREATE, SqlSugar.OrderByType.Asc).First();

                if (order == null) {
                    LogHelper.Info("轮询--出库--暂无待执行的Order");
                    return;
                }

                var lastDetail = db.Queryable<TN_Outbound_Detail>()
                    .First(d => d.S_OO_NO == order.S_NO && d.N_B_STATE == SpotStateCode.任务执行中);

                if (lastDetail != null) {
                    LogHelper.Info($"轮询--出库--上一个任务仍在进行中：" + JsonConvert.SerializeObject(lastDetail));
                    return;
                }

                var detail = db.Queryable<TN_Outbound_Detail>()
                    .Where(d => d.S_OO_NO == order.S_NO && d.N_B_STATE == SpotStateCode.已执行待生成任务)
                    .OrderBy(d => d.T_CREATE, SqlSugar.OrderByType.Asc).First();

                if (detail == null) {
                    //order.N_B_STATE = SpotStateCode.任务执行中;

                    LogHelper.Info($"轮询--出库--当前Order '{order.S_NO}' 暂无待执行的任务");
                    return;
                }

                var startLocCntrRel = db.Queryable<TN_Loc_Container>()
                    .Where(c => c.S_CNTR_CODE == detail.S_CNTR_CODE)
                    .First();

                if (startLocCntrRel == null) {
                    LogHelper.Info($"轮询--出库：没有找到合适的起点货位！");
                    return;
                }

                var endLoc = db.Queryable<TN_Location>()
                    .Where(l => l.S_AREA_CODE == detail.S_END_AREA)
                    .Where(ExprHelper.LocIsFree)
                    .Where(ExprHelper.LocIsEmpty).First();

                if (endLoc == null) {
                    LogHelper.Info($"轮询--出库：没有找到合适的终点货位！S_NO为 '{detail.S_OO_NO}'，要求Area为 '{detail.S_END_AREA}'");
                    return;
                }

                using (var tran = db.Ado.UseTran()) {
                    detail.N_B_STATE = SpotStateCode.任务执行中;
                    if (db.Updateable<TN_Outbound_Detail>(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                        tran.RollbackTran();
                        LogHelper.Info($"轮询--出库--修改明细表状态为完成失败！");
                    }

                    if (!TaskHelper.LogCreateTask(startLocCntrRel.S_LOC_CODE, startLocCntrRel.S_CNTR_CODE,
                        endLoc.S_CODE, TaskName.成品胶出库)) {
                        tran.RollbackTran();
                    }

                    tran.CommitTran();
                }
            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }
        }

        public static void UpdateTaskState(int spotStateCode) {
            
            var db = DbHelper.GetDbClient();

            var detail = db.Queryable<TN_Outbound_Detail>()
                .First(d => d.N_B_STATE == SpotStateCode.任务执行中);

            if (detail == null) {
                LogHelper.Info("出库--AGV取货--查询Detail：当前没有 执行中 的Detail表！");
                return;
            }

            using (var tran = db.Ado.UseTran()) {
                detail.N_B_STATE = spotStateCode;
                if (db.Updateable<TN_Outbound_Detail>(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                    tran.RollbackTran();
                    LogHelper.Info("出库--AGV取货：修改Detail状态 N_B_STATE 为 3任务执行完成 失败！");
                    return;
                }

                var finishedCount = db.Queryable<TN_Outbound_Detail>().Count(d => d.S_OO_NO == detail.S_OO_NO && d.N_B_STATE == 3);
                var allCount = db.Queryable<TN_Outbound_Detail>().Count(d => d.S_OO_NO == detail.S_OO_NO);

                LogHelper.Info($"出库--AGV取货--统计任务已完成：{finishedCount} / {allCount}");

                if (finishedCount == allCount) { // 当前出库单下的所有明细单，任务都已经完成

                    if (db.Updateable<TN_Outbound_Order>().SetColumns(it => it.N_B_STATE == SpotStateCode.任务执行完成)
                        .Where(it => it.S_NO == detail.S_OO_NO)
                        .ExecuteCommand() <= 0) {

                        tran.RollbackTran();
                        LogHelper.Info("出库--AGV取货--所有任务完成时：修改Order状态 N_B_STATE 为 3任务执行完成 失败！");
                        return;
                    }
                }

                tran.CommitTran();
            }
        }

    }
}