using HH.WCS.Mobox3.DSZSH.models;
using HH.WCS.Mobox3.DSZSH.util;
using HH.WCS.Mobox3.DSZSH;

using Newtonsoft.Json;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HH.WCS.Mobox3.DSZSH.wms {
    internal class WCSHelper {
        internal static string GenerateTaskNo() {
            var id = SYSHelper.GetSerialNumber("任务号", "TN");
            var date = DateTime.Now.ToString("yyMMdd");
            return $"TN{date}{id.ToString().PadLeft(4, '0')}";
        }
        internal static bool UpdateStatus(TN_Task task, string status) {
            var res = false;
            var db = new SqlHelper<TN_Task>().GetInstance();
            task.S_B_STATE = status;
            res = db.Updateable(task).UpdateColumns(it => new { it.S_B_STATE }).ExecuteCommand() > 0;
            return res;
        }
        internal static bool UpdateStatus(TN_Task task) {
            var res = false;
            var db = new SqlHelper<TN_Task>().GetInstance();
            task.S_B_STATE = TN_Task.GetStateStr(task.N_B_STATE);
            task.T_MODIFY = DateTime.Now;
            res = db.Updateable(task).UpdateColumns(it => new { it.N_B_STATE, it.S_B_STATE, it.T_MODIFY }).ExecuteCommand() > 0;
            return res;
        }
        internal static bool UpdateEQNo(TN_Task task) {
            var res = false;
            var db = new SqlHelper<TN_Task>().GetInstance();
            task.T_MODIFY = DateTime.Now;
            db.Updateable(task).UpdateColumns(it => new { it.S_EQ_TASK_CODE, it.T_MODIFY }).ExecuteCommand();
            return res;
        }

        internal static TN_Task GetTask(string no) {
            var db = new SqlHelper<TN_Task>().GetInstance();
            var task = db.Queryable<TN_Task>().Where(a => a.S_CODE == no).First();
            return task;
        }

        public static string GetAgvSite(string locCode) {
            var db = new SqlHelper<object>().GetInstance();
            var loc = db.Queryable<TN_Location>().Where(l => l.S_CODE == locCode).First();
            return loc == null ? "0" : loc.S_AGV_SITE;
        }

        /// <summary>
        /// ![[弃用|理由:不灵活,涉及业务过于具体]]检查容器类型是否正确
        /// </summary>
        /// <param name="cntrCode"></param>
        /// <param name="cntrType"></param>
        /// <param name="errMsg"></param>
        /// <returns></returns>
        private static bool CheckCntrType(string cntrCode, string cntrType, out string errMsg) {
            var db = new SqlHelper<object>().GetInstance();
            errMsg = string.Empty;

            var cntr = db.Queryable<TN_Container>().Where(c => c.S_CODE == cntrType).First();
            if (cntr == null) {
                errMsg = $"容器'{cntrCode}'在[容器表]中不存在,请在前台页面中维护!";
                return false;
            }
            if (cntr.S_TYPE != cntrType) {
                errMsg = $"容器'{cntrCode}'在[容器表]中的类型是'{cntr.S_TYPE},不是'{cntrType}'!";
                return false;
            }

            return true;
        }

        /// <summary>
        /// 根据容器号,查询当前容器关联的[货位/容器/物料]信息(只查询1条)
        /// </summary>
        /// <param name="cntrCode">容器号</param>
        /// <param name="skipCgDetail">是否跳过[物料表]的查询(当容器号来自[物料表]时)</param>
        /// <returns></returns>
        public static LocCntrCg GetLocCntrCg(string cntrCode, bool skipCgDetail = false) {
            var db = new SqlHelper<object>().GetInstance();

            TN_CG_Detail cgDetail = null;
            if (!skipCgDetail) {
                cgDetail = db.Queryable<TN_CG_Detail>().Where(d => d.S_CNTR_CODE == cntrCode).First();
            }

            var locCntrRel = db.Queryable<TN_Loc_Container>().Where(c => c.S_CNTR_CODE == cntrCode).First();

            TN_Location location = null;
            if (locCntrRel != null) {
                location = db.Queryable<TN_Location>().Where(l => l.S_CODE == locCntrRel.S_LOC_CODE).First();
                if (location == null) {
                    LogHelper.Warn($"");
                }
            }
            if (location != null) {
                location.N_CURRENT_NUM = 0;
                location.T_MODIFY = DateTime.Now;
            }

            return new LocCntrCg {
                CgDetail = cgDetail,
                LocCntrRel = locCntrRel,
                Location = location
            };
        }

        /// <summary>
        /// 绑定[货位-容器]信息
        /// </summary>
        /// <param name="startLoc"></param>
        /// <param name="cntrCode"></param>
        /// <returns></returns>
        public static TN_Loc_Container BindLocCntr(ref TN_Location startLoc, string cntrCode) {
            var locCntrRel = new TN_Loc_Container {
                S_LOC_CODE = startLoc.S_CODE,
                S_CNTR_CODE = cntrCode,
            };

            startLoc.N_CURRENT_NUM = 1;
            startLoc.T_MODIFY = DateTime.Now;

            return locCntrRel;
        }

        /// <summary>
        /// 起点出库锁
        /// </summary>
        /// <param name="loc"></param>
        /// <param name="lockSource"></param>
        public static void LockStartLoc(ref TN_Location loc, string lockSource = "") {
            if (loc == null) {
                throw new ArgumentNullException(); // 接受货位loc为空时直接抛异常(通常不会发生)
            }

            if (loc.N_LOCK_STATE != 0 || loc.S_LOCK_STATE != "无") {
                LogHelper.Warn($"起点出库锁:程序正在尝试给当前[锁状态]不是'无'的货位上锁!货位='{loc.S_CODE}',锁状态=({loc.N_LOCK_STATE},{loc.S_LOCK_STATE})");
            }

            loc.N_LOCK_STATE = 2; // 起点出库锁
            loc.S_LOCK_STATE = TN_Location.GetLockStateStr(2); // 起点出库锁
            loc.S_LOCK_OP = lockSource;
            loc.T_MODIFY = System.DateTime.Now;
        }

        /// <summary>
        /// 终点入库锁
        /// </summary>
        /// <param name="loc"></param>
        /// <param name="lockSource"></param>
        public static void LockEndLoc(ref TN_Location loc, string lockSource = "") {
            if (loc == null) {
                throw new ArgumentNullException(); // 接受货位loc为空时直接抛异常(通常不会发生)
            }

            if (loc.N_LOCK_STATE != 0 || loc.S_LOCK_STATE != "无") {
                LogHelper.Warn($"起点出库锁:程序正在尝试给当前[锁状态]不是'无'的货位上锁!货位='{loc.S_CODE}',锁状态=({loc.N_LOCK_STATE},{loc.S_LOCK_STATE})");
            }

            loc.N_LOCK_STATE = 1; // 终点出库锁
            loc.S_LOCK_STATE = TN_Location.GetLockStateStr(1); // 终点出库锁
            loc.S_LOCK_OP = lockSource;
            loc.T_MODIFY = System.DateTime.Now;
        }

        /// <summary>
        /// 创建任务
        /// </summary>
        /// <param name="startLoc">起点货位:至少提供:S_CODE,S_AREA_CODE</param>
        /// <param name="endLoc">终点货位:至少提供:S_CODE,S_AREA_CODE</param>
        /// <param name="cntId">容器号</param>
        /// <param name="type">任务类型(名称)</param>
        /// <param name="pri">优先级</param>
        /// <param name="agvType">AGV类型</param>
        /// <returns></returns>
        public static TN_Task BuildTask(TN_Location startLoc, TN_Location endLoc, string cntId, string type, int pri = 3, int agvType = 1) {
            TN_Task TN_Task = new TN_Task() {
                S_CODE = GenerateTaskNo(),
                S_START_AREA = startLoc.S_AREA_CODE,
                S_END_AREA = endLoc.S_AREA_CODE,
                S_START_LOC = startLoc.S_CODE,
                S_END_LOC = endLoc.S_CODE,
                S_TYPE = type,
                N_PRIORITY = pri,
                N_SCHEDULE_TYPE = agvType,
                N_B_STATE = 0, // 任务创建时,默认等待
                S_CNTR_CODE = cntId,
            };

            return TN_Task;
        }


        internal static bool CheckActionRecordExist(string no, int code) {
            var db = new SqlHelper<TN_Task_Action>().GetInstance();
            return db.Queryable<TN_Task_Action>().Count(a => a.S_TASK_CODE == no && a.N_ACTION_CODE == code) > 0;
        }

        internal static void Begin(TN_Task task, string forklift_no) {
            var db = new SqlHelper<TN_Task>().GetInstance();
            if (task != null) {
                if (task.N_B_STATE == 1 || task.N_B_STATE == 0) { // 添加当task状态为0时也可以触发
                    task.N_B_STATE = 2;
                    task.S_B_STATE = TN_Task.GetStateStr(task.N_B_STATE);
                    task.T_START_TIME = System.DateTime.Now;
                    task.S_EQ_NO = forklift_no;
                    db.Updateable(task).UpdateColumns(it => new { it.N_B_STATE, it.S_B_STATE, it.T_START_TIME, it.S_EQ_NO }).ExecuteCommand();
                }
            }
        }
        internal static void End(TN_Task task) {
            var db = new SqlHelper<TN_Task>().GetInstance();
            if (task != null) {
                task.N_B_STATE = 3;
                task.S_B_STATE = TN_Task.GetStateStr(task.N_B_STATE);
                task.T_END_TIME = DateTime.Now;
                db.Updateable(task).UpdateColumns(it => new { it.N_B_STATE, it.S_B_STATE, it.T_END_TIME }).ExecuteCommand();
            }
        }
        internal static void Fail(TN_Task task) {
            var db = new SqlHelper<TN_Task>().GetInstance();
            if (task != null) {
                //判断有没有取货完成,没有就变成失败。有取货完成默认完成了 (跟据项目而定,有些项目人工拉走了也没有放到终点) 。
                task.N_B_STATE = 4;
                task.S_B_STATE = TN_Task.GetStateStr(task.N_B_STATE);
                db.Updateable(task).UpdateColumns(it => new { it.N_B_STATE, it.S_B_STATE }).ExecuteCommand();
            }
        }

        internal static bool AddActionRecord(string no, int state, string forkliftNo, string extData) {
            var db = new SqlHelper<TN_Task_Action>().GetInstance();
            var action = new TN_Task_Action() {
                N_ACTION_CODE = state,
                S_TASK_CODE = no,
                S_EQ_CODE = forkliftNo,
                S_EQ_TYPE = "agv",
                S_DATA = extData
            };
            return db.Insertable(action).ExecuteCommand() > 0;
        }

        internal static List<TN_Task> GetWaitingTaskList() {
            var db = new SqlHelper<object>().GetInstance();
            return db.Queryable<TN_Task>().Where(a => a.N_B_STATE == 0 && (a.S_B_STATE == "等待" || a.S_B_STATE == "待推送")).ToList();
        }
    }

    /// <summary>
    /// [货位/容器/物料]信息
    /// </summary>
    public class LocCntrCg {
        public TN_CG_Detail CgDetail { get; set; } = null;
        public TN_Loc_Container LocCntrRel { get; set; } = null;
        public TN_Location Location { get; set; } = null;
    }
}